upload RaspberryPi code

+This is a placeholder... the Android content will come eventually!

+fire

+
+
+# Import packages
+import os
+import argparse
+import cv2
+import numpy as np
+import sys
+import time
+from threading import Thread
+import importlib.util
+import paho.mqtt.client as mqtt
+
+class VideoStream:
+    """Camera object that controls video streaming from the Picamera"""
+    def __init__(self,resolution=(640,480),framerate=30):
+        # Initialize the PiCamera and the camera image stream
+        self.stream = cv2.VideoCapture(0)
+        ret = self.stream.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc(*'MJPG'))
+        ret = self.stream.set(3,resolution[0])
+        ret = self.stream.set(4,resolution[1])
+            
+        # Read first frame from the stream
+        (self.grabbed, self.frame) = self.stream.read()
+
+    # Variable to control when the camera is stopped
+        self.stopped = False
+
+    def start(self):
+    # Start the thread that reads frames from the video stream
+        Thread(target=self.update,args=()).start()
+        return self
+
+    def update(self):
+        # Keep looping indefinitely until the thread is stopped
+        while True:
+            # If the camera is stopped, stop the thread
+            if self.stopped:
+                # Close camera resources
+                self.stream.release()
+                return
+
+            # Otherwise, grab the next frame from the stream
+            (self.grabbed, self.frame) = self.stream.read()
+
+    def read(self):
+    # Return the most recent frame
+        return self.frame
+
+    def stop(self):
+    # Indicate that the camera and thread should be stopped
+        self.stopped = True
+
+# Define and parse input arguments
+parser = argparse.ArgumentParser()
+parser.add_argument('--modeldir', help='Folder the .tflite file is located in',
+                    required=True)
+parser.add_argument('--graph', help='Name of the .tflite file, if different than detect.tflite',
+                    default='detect.tflite')
+parser.add_argument('--labels', help='Name of the labelmap file, if different than labelmap.txt',
+                    default='labelmap.txt')
+parser.add_argument('--threshold', help='Minimum confidence threshold for displaying detected objects',
+                    default=0.5)
+parser.add_argument('--resolution', help='Desired webcam resolution in WxH. If the webcam does not support the resolution entered, errors may occur.',
+                    default='1280x720')
+parser.add_argument('--edgetpu', help='Use Coral Edge TPU Accelerator to speed up detection',
+                    action='store_true')
+
+args = parser.parse_args()
+
+MODEL_NAME = args.modeldir
+GRAPH_NAME = args.graph
+LABELMAP_NAME = args.labels
+min_conf_threshold = float(args.threshold)
+resW, resH = args.resolution.split('x')
+imW, imH = int(resW), int(resH)
+use_TPU = args.edgetpu
+
+# Import TensorFlow libraries
+# If tflite_runtime is installed, import interpreter from tflite_runtime, else import from regular tensorflow
+# If using Coral Edge TPU, import the load_delegate library
+pkg = importlib.util.find_spec('tflite_runtime')
+if pkg:
+    from tflite_runtime.interpreter import Interpreter
+    if use_TPU:
+        from tflite_runtime.interpreter import load_delegate
+else:
+    from tensorflow.lite.python.interpreter import Interpreter
+    if use_TPU:
+        from tensorflow.lite.python.interpreter import load_delegate
+
+# If using Edge TPU, assign filename for Edge TPU model
+if use_TPU:
+    # If user has specified the name of the .tflite file, use that name, otherwise use default 'edgetpu.tflite'
+    if (GRAPH_NAME == 'detect.tflite'):
+        GRAPH_NAME = 'edgetpu.tflite'       
+
+# Get path to current working directory
+CWD_PATH = os.getcwd()
+
+# Path to .tflite file, which contains the model that is used for object detection
+PATH_TO_CKPT = os.path.join(CWD_PATH,MODEL_NAME,GRAPH_NAME)
+
+# Path to label map file
+PATH_TO_LABELS = os.path.join(CWD_PATH,MODEL_NAME,LABELMAP_NAME)
+
+# Load the label map
+with open(PATH_TO_LABELS, 'r') as f:
+    labels = [line.strip() for line in f.readlines()]
+
+if labels[0] == '???':
+    del(labels[0])
+
+# Load the Tensorflow Lite model.
+# If using Edge TPU, use special load_delegate argument
+if use_TPU:
+    interpreter = Interpreter(model_path=PATH_TO_CKPT,
+                              experimental_delegates=[load_delegate('libedgetpu.so.1.0')])
+    print(PATH_TO_CKPT)
+else:
+    interpreter = Interpreter(model_path=PATH_TO_CKPT)
+
+interpreter.allocate_tensors()
+
+# Get model details
+input_details = interpreter.get_input_details()
+output_details = interpreter.get_output_details()
+height = input_details[0]['shape'][1]
+width = input_details[0]['shape'][2]
+
+floating_model = (input_details[0]['dtype'] == np.float32)
+
+input_mean = 127.5
+input_std = 127.5
+
+# Initialize frame rate calculation
+frame_rate_calc = 1
+freq = cv2.getTickFrequency()
+
+# Initialize video stream
+videostream = VideoStream(resolution=(imW,imH),framerate=30).start()
+time.sleep(1)
+
+#for frame1 in camera.capture_continuous(rawCapture, format="bgr",use_video_port=True):
+while True:
+
+    # Start timer (for calculating frame rate)
+    t1 = cv2.getTickCount()
+
+    # Grab frame from video stream
+    frame1 = videostream.read()
+
+    # Acquire frame and resize to expected shape [1xHxWx3]
+    frame = frame1.copy()
+    frame_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+    frame_resized = cv2.resize(frame_rgb, (width, height))
+    input_data = np.expand_dims(frame_resized, axis=0)
+
+    # Normalize pixel values if using a floating model (i.e. if model is non-quantized)
+    if floating_model:
+        input_data = (np.float32(input_data) - input_mean) / input_std
+
+    # Perform the actual detection by running the model with the image as input
+    interpreter.set_tensor(input_details[0]['index'],input_data)
+    interpreter.invoke()
+
+    # Retrieve detection results
+    boxes = interpreter.get_tensor(output_details[0]['index'])[0] # Bounding box coordinates of detected objects
+    classes = interpreter.get_tensor(output_details[1]['index'])[0] # Class index of detected objects
+    scores = interpreter.get_tensor(output_details[2]['index'])[0] # Confidence of detected objects
+    #num = interpreter.get_tensor(output_details[3]['index'])[0]  # Total number of detected objects (inaccurate and not needed)
+
+    # Loop over all detections and draw detection box if confidence is above minimum threshold
+    for i in range(len(scores)):
+        if ((scores[i] > min_conf_threshold) and (scores[i] <= 1.0)):
+
+            # Get bounding box coordinates and draw box
+            # Interpreter can return coordinates that are outside of image dimensions, need to force them to be within image using max() and min()
+            ymin = int(max(1,(boxes[i][0] * imH)))
+            xmin = int(max(1,(boxes[i][1] * imW)))
+            ymax = int(min(imH,(boxes[i][2] * imH)))
+            xmax = int(min(imW,(boxes[i][3] * imW)))
+            
+            cv2.rectangle(frame, (xmin,ymin), (xmax,ymax), (10, 255, 0), 2)
+
+            # Draw label
+            object_name = labels[int(classes[i])] # Look up object name from "labels" array using class index
+            label = '%s' % (object_name) # Example: 'person: 72%'
+            labelSize, baseLine = cv2.getTextSize(label, cv2.FONT_HERSHEY_SIMPLEX, 0.7, 2) # Get font size
+            label_ymin = max(ymin, labelSize[1] + 10) # Make sure not to draw label too close to top of window
+            cv2.rectangle(frame, (xmin, label_ymin-labelSize[1]-10), (xmin+labelSize[0], label_ymin+baseLine-10), (255, 255, 255), cv2.FILLED) # Draw white box to put label text in
+            cv2.putText(frame, label, (xmin, label_ymin-7), cv2.FONT_HERSHEY_SIMPLEX, 0.7, (0, 0, 0), 2) # Draw label text
+            # MQTT
+            mqttc = mqtt.Client("python_pub")
+            mqttc.connect("test.mosquitto.org", 1883)
+            mqttc.publish("hello/fire", "fire detection")
+            
+    # Draw framerate in corner of frame
+    cv2.putText(frame,'FPS: {0:.2f}'.format(frame_rate_calc),(30,50),cv2.FONT_HERSHEY_SIMPLEX,1,(255,255,0),2,cv2.LINE_AA)
+
+    # All the results have been drawn on the frame, so it's time to display it.
+    cv2.imshow('Object detector', frame)
+
+    # Calculate framerate
+    t2 = cv2.getTickCount()
+    time1 = (t2-t1)/freq
+    frame_rate_calc= 1/time1
+
+    # Press 'q' to quit
+    if cv2.waitKey(1) == ord('q'):
+        break
+
+# Clean up
+cv2.destroyAllWindows()
+videostream.stop()

+#!/bin/bash
+
+# Get packages required for OpenCV
+
+sudo apt-get -y install libjpeg-dev libtiff5-dev libjasper-dev libpng12-dev
+sudo apt-get -y install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
+sudo apt-get -y install libxvidcore-dev libx264-dev
+sudo apt-get -y install qt4-dev-tools libatlas-base-dev
+
+# Need to get an older version of OpenCV because version 4 has errors
+pip3 install opencv-python==3.4.6.27
+
+# Get packages required for TensorFlow
+# Using the tflite_runtime packages available at https://www.tensorflow.org/lite/guide/python
+# Will change to just 'pip3 install tensorflow' once newer versions of TF are added to piwheels
+
+#pip3 install tensorflow
+
+version=$(python -c 'import sys; print(".".join(map(str, sys.version_info[:2])))')
+
+if [ $version == "3.7" ]; then
+pip3 install https://dl.google.com/coral/python/tflite_runtime-2.1.0.post1-cp37-cp37m-linux_armv7l.whl
+fi
+
+if [ $version == "3.5" ]; then
+pip3 install https://dl.google.com/coral/python/tflite_runtime-2.1.0.post1-cp35-cp35m-linux_armv7l.whl
+fi
+

+# This file must be used with "source bin/activate" *from bash*
+# you cannot run it directly
+
+deactivate () {
+    # reset old environment variables
+    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
+        PATH="${_OLD_VIRTUAL_PATH:-}"
+        export PATH
+        unset _OLD_VIRTUAL_PATH
+    fi
+    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
+        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
+        export PYTHONHOME
+        unset _OLD_VIRTUAL_PYTHONHOME
+    fi
+
+    # This should detect bash and zsh, which have a hash command that must
+    # be called to get it to forget past commands.  Without forgetting
+    # past commands the $PATH changes we made may not be respected
+    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+        hash -r
+    fi
+
+    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
+        PS1="${_OLD_VIRTUAL_PS1:-}"
+        export PS1
+        unset _OLD_VIRTUAL_PS1
+    fi
+
+    unset VIRTUAL_ENV
+    if [ ! "$1" = "nondestructive" ] ; then
+    # Self destruct!
+        unset -f deactivate
+    fi
+}
+
+# unset irrelevant variables
+deactivate nondestructive
+
+VIRTUAL_ENV="/home/pi/tflite1/tflite1-env"
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$PATH"
+PATH="$VIRTUAL_ENV/bin:$PATH"
+export PATH
+
+# unset PYTHONHOME if set
+# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
+# could use `if (set -u; : $PYTHONHOME) ;` in bash
+if [ -n "${PYTHONHOME:-}" ] ; then
+    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
+    unset PYTHONHOME
+fi
+
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
+    _OLD_VIRTUAL_PS1="${PS1:-}"
+    if [ "x(tflite1-env) " != x ] ; then
+	PS1="(tflite1-env) ${PS1:-}"
+    else
+    if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
+        # special case for Aspen magic directories
+        # see http://www.zetadev.com/software/aspen/
+        PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
+    else
+        PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
+    fi
+    fi
+    export PS1
+fi
+
+# This should detect bash and zsh, which have a hash command that must
+# be called to get it to forget past commands.  Without forgetting
+# past commands the $PATH changes we made may not be respected
+if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
+    hash -r
+fi

+# This file must be used with "source bin/activate.csh" *from csh*.
+# You cannot run it directly.
+# Created by Davide Di Blasi <davidedb@gmail.com>.
+# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
+
+alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+setenv VIRTUAL_ENV "/home/pi/tflite1/tflite1-env"
+
+set _OLD_VIRTUAL_PATH="$PATH"
+setenv PATH "$VIRTUAL_ENV/bin:$PATH"
+
+
+set _OLD_VIRTUAL_PROMPT="$prompt"
+
+if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
+    if ("tflite1-env" != "") then
+        set env_name = "tflite1-env"
+    else
+        if (`basename "VIRTUAL_ENV"` == "__") then
+            # special case for Aspen magic directories
+            # see http://www.zetadev.com/software/aspen/
+            set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
+        else
+            set env_name = `basename "$VIRTUAL_ENV"`
+        endif
+    endif
+    set prompt = "[$env_name] $prompt"
+    unset env_name
+endif
+
+alias pydoc python -m pydoc
+
+rehash

+# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
+# you cannot run it directly
+
+function deactivate  -d "Exit virtualenv and return to normal shell environment"
+    # reset old environment variables
+    if test -n "$_OLD_VIRTUAL_PATH"
+        set -gx PATH $_OLD_VIRTUAL_PATH
+        set -e _OLD_VIRTUAL_PATH
+    end
+    if test -n "$_OLD_VIRTUAL_PYTHONHOME"
+        set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
+        set -e _OLD_VIRTUAL_PYTHONHOME
+    end
+
+    if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
+        functions -e fish_prompt
+        set -e _OLD_FISH_PROMPT_OVERRIDE
+        functions -c _old_fish_prompt fish_prompt
+        functions -e _old_fish_prompt
+    end
+
+    set -e VIRTUAL_ENV
+    if test "$argv[1]" != "nondestructive"
+        # Self destruct!
+        functions -e deactivate
+    end
+end
+
+# unset irrelevant variables
+deactivate nondestructive
+
+set -gx VIRTUAL_ENV "/home/pi/tflite1/tflite1-env"
+
+set -gx _OLD_VIRTUAL_PATH $PATH
+set -gx PATH "$VIRTUAL_ENV/bin" $PATH
+
+# unset PYTHONHOME if set
+if set -q PYTHONHOME
+    set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
+    set -e PYTHONHOME
+end
+
+if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
+    # fish uses a function instead of an env var to generate the prompt.
+
+    # save the current fish_prompt function as the function _old_fish_prompt
+    functions -c fish_prompt _old_fish_prompt
+
+    # with the original prompt function renamed, we can override with our own.
+    function fish_prompt
+        # Save the return status of the last command
+        set -l old_status $status
+
+        # Prompt override?
+        if test -n "(tflite1-env) "
+            printf "%s%s" "(tflite1-env) " (set_color normal)
+        else
+            # ...Otherwise, prepend env
+            set -l _checkbase (basename "$VIRTUAL_ENV")
+            if test $_checkbase = "__"
+                # special case for Aspen magic directories
+                # see http://www.zetadev.com/software/aspen/
+                printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
+            else
+                printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
+            end
+        end
+
+        # Restore the return status of the previous command.
+        echo "exit $old_status" | .
+        _old_fish_prompt
+    end
+
+    set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
+end

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from setuptools.command.easy_install import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from setuptools.command.easy_install import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from numpy.f2py.f2py2e import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from numpy.f2py.f2py2e import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from numpy.f2py.f2py2e import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from flask.cli import main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal.cli.main import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal.cli.main import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+#!/home/pi/tflite1/tflite1-env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pip._internal.cli.main import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+pip

+Copyright 2010 Pallets
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+3.  Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+Metadata-Version: 2.1
+Name: Flask
+Version: 1.1.2
+Summary: A simple framework for building complex web applications.
+Home-page: https://palletsprojects.com/p/flask/
+Author: Armin Ronacher
+Author-email: armin.ronacher@active-4.com
+Maintainer: Pallets
+Maintainer-email: contact@palletsprojects.com
+License: BSD-3-Clause
+Project-URL: Documentation, https://flask.palletsprojects.com/
+Project-URL: Code, https://github.com/pallets/flask
+Project-URL: Issue tracker, https://github.com/pallets/flask/issues
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Web Environment
+Classifier: Framework :: Flask
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
+Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application
+Classifier: Topic :: Software Development :: Libraries :: Application Frameworks
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+Requires-Dist: Werkzeug (>=0.15)
+Requires-Dist: Jinja2 (>=2.10.1)
+Requires-Dist: itsdangerous (>=0.24)
+Requires-Dist: click (>=5.1)
+Provides-Extra: dev
+Requires-Dist: pytest ; extra == 'dev'
+Requires-Dist: coverage ; extra == 'dev'
+Requires-Dist: tox ; extra == 'dev'
+Requires-Dist: sphinx ; extra == 'dev'
+Requires-Dist: pallets-sphinx-themes ; extra == 'dev'
+Requires-Dist: sphinxcontrib-log-cabinet ; extra == 'dev'
+Requires-Dist: sphinx-issues ; extra == 'dev'
+Provides-Extra: docs
+Requires-Dist: sphinx ; extra == 'docs'
+Requires-Dist: pallets-sphinx-themes ; extra == 'docs'
+Requires-Dist: sphinxcontrib-log-cabinet ; extra == 'docs'
+Requires-Dist: sphinx-issues ; extra == 'docs'
+Provides-Extra: dotenv
+Requires-Dist: python-dotenv ; extra == 'dotenv'
+
+Flask
+=====
+
+Flask is a lightweight `WSGI`_ web application framework. It is designed
+to make getting started quick and easy, with the ability to scale up to
+complex applications. It began as a simple wrapper around `Werkzeug`_
+and `Jinja`_ and has become one of the most popular Python web
+application frameworks.
+
+Flask offers suggestions, but doesn't enforce any dependencies or
+project layout. It is up to the developer to choose the tools and
+libraries they want to use. There are many extensions provided by the
+community that make adding new functionality easy.
+
+
+Installing
+----------
+
+Install and update using `pip`_:
+
+.. code-block:: text
+
+    pip install -U Flask
+
+
+A Simple Example
+----------------
+
+.. code-block:: python
+
+    from flask import Flask
+
+    app = Flask(__name__)
+
+    @app.route("/")
+    def hello():
+        return "Hello, World!"
+
+.. code-block:: text
+
+    $ env FLASK_APP=hello.py flask run
+     * Serving Flask app "hello"
+     * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
+
+
+Contributing
+------------
+
+For guidance on setting up a development environment and how to make a
+contribution to Flask, see the `contributing guidelines`_.
+
+.. _contributing guidelines: https://github.com/pallets/flask/blob/master/CONTRIBUTING.rst
+
+
+Donate
+------
+
+The Pallets organization develops and supports Flask and the libraries
+it uses. In order to grow the community of contributors and users, and
+allow the maintainers to devote more time to the projects, `please
+donate today`_.
+
+.. _please donate today: https://psfmember.org/civicrm/contribute/transact?reset=1&id=20
+
+
+Links
+-----
+
+* Website: https://palletsprojects.com/p/flask/
+* Documentation: https://flask.palletsprojects.com/
+* Releases: https://pypi.org/project/Flask/
+* Code: https://github.com/pallets/flask
+* Issue tracker: https://github.com/pallets/flask/issues
+* Test status: https://dev.azure.com/pallets/flask/_build
+* Official chat: https://discord.gg/t6rrQZH
+
+.. _WSGI: https://wsgi.readthedocs.io
+.. _Werkzeug: https://www.palletsprojects.com/p/werkzeug/
+.. _Jinja: https://www.palletsprojects.com/p/jinja/
+.. _pip: https://pip.pypa.io/en/stable/quickstart/
+
+

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+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+

+[console_scripts]
+flask = flask.cli:main
+

+flask

+pip

+Copyright 2007 Pallets
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+3.  Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+Metadata-Version: 2.1
+Name: Jinja2
+Version: 2.11.2
+Summary: A very fast and expressive template engine.
+Home-page: https://palletsprojects.com/p/jinja/
+Author: Armin Ronacher
+Author-email: armin.ronacher@active-4.com
+Maintainer: Pallets
+Maintainer-email: contact@palletsprojects.com
+License: BSD-3-Clause
+Project-URL: Documentation, https://jinja.palletsprojects.com/
+Project-URL: Code, https://github.com/pallets/jinja
+Project-URL: Issue tracker, https://github.com/pallets/jinja/issues
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Web Environment
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Classifier: Topic :: Text Processing :: Markup :: HTML
+Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+Description-Content-Type: text/x-rst
+Requires-Dist: MarkupSafe (>=0.23)
+Provides-Extra: i18n
+Requires-Dist: Babel (>=0.8) ; extra == 'i18n'
+
+Jinja
+=====
+
+Jinja is a fast, expressive, extensible templating engine. Special
+placeholders in the template allow writing code similar to Python
+syntax. Then the template is passed data to render the final document.
+
+It includes:
+
+-   Template inheritance and inclusion.
+-   Define and import macros within templates.
+-   HTML templates can use autoescaping to prevent XSS from untrusted
+    user input.
+-   A sandboxed environment can safely render untrusted templates.
+-   AsyncIO support for generating templates and calling async
+    functions.
+-   I18N support with Babel.
+-   Templates are compiled to optimized Python code just-in-time and
+    cached, or can be compiled ahead-of-time.
+-   Exceptions point to the correct line in templates to make debugging
+    easier.
+-   Extensible filters, tests, functions, and even syntax.
+
+Jinja's philosophy is that while application logic belongs in Python if
+possible, it shouldn't make the template designer's job difficult by
+restricting functionality too much.
+
+
+Installing
+----------
+
+Install and update using `pip`_:
+
+.. code-block:: text
+
+    $ pip install -U Jinja2
+
+.. _pip: https://pip.pypa.io/en/stable/quickstart/
+
+
+In A Nutshell
+-------------
+
+.. code-block:: jinja
+
+    {% extends "base.html" %}
+    {% block title %}Members{% endblock %}
+    {% block content %}
+      <ul>
+      {% for user in users %}
+        <li><a href="{{ user.url }}">{{ user.username }}</a></li>
+      {% endfor %}
+      </ul>
+    {% endblock %}
+
+
+Links
+-----
+
+-   Website: https://palletsprojects.com/p/jinja/
+-   Documentation: https://jinja.palletsprojects.com/
+-   Releases: https://pypi.org/project/Jinja2/
+-   Code: https://github.com/pallets/jinja
+-   Issue tracker: https://github.com/pallets/jinja/issues
+-   Test status: https://dev.azure.com/pallets/jinja/_build
+-   Official chat: https://discord.gg/t6rrQZH
+
+

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+Wheel-Version: 1.0
+Generator: bdist_wheel (0.34.2)
+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+

+[babel.extractors]
+jinja2 = jinja2.ext:babel_extract [i18n]
+

+jinja2

+pip

+Copyright 2010 Pallets
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+3.  Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+Metadata-Version: 2.1
+Name: MarkupSafe
+Version: 1.1.1
+Summary: Safely add untrusted strings to HTML/XML markup.
+Home-page: https://palletsprojects.com/p/markupsafe/
+Author: Armin Ronacher
+Author-email: armin.ronacher@active-4.com
+Maintainer: The Pallets Team
+Maintainer-email: contact@palletsprojects.com
+License: BSD-3-Clause
+Project-URL: Documentation, https://markupsafe.palletsprojects.com/
+Project-URL: Code, https://github.com/pallets/markupsafe
+Project-URL: Issue tracker, https://github.com/pallets/markupsafe/issues
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Web Environment
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.4
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Classifier: Topic :: Text Processing :: Markup :: HTML
+Requires-Python: >=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*
+
+MarkupSafe
+==========
+
+MarkupSafe implements a text object that escapes characters so it is
+safe to use in HTML and XML. Characters that have special meanings are
+replaced so that they display as the actual characters. This mitigates
+injection attacks, meaning untrusted user input can safely be displayed
+on a page.
+
+
+Installing
+----------
+
+Install and update using `pip`_:
+
+.. code-block:: text
+
+    pip install -U MarkupSafe
+
+.. _pip: https://pip.pypa.io/en/stable/quickstart/
+
+
+Examples
+--------
+
+.. code-block:: pycon
+
+    >>> from markupsafe import Markup, escape
+    >>> # escape replaces special characters and wraps in Markup
+    >>> escape('<script>alert(document.cookie);</script>')
+    Markup(u'&lt;script&gt;alert(document.cookie);&lt;/script&gt;')
+    >>> # wrap in Markup to mark text "safe" and prevent escaping
+    >>> Markup('<strong>Hello</strong>')
+    Markup('<strong>hello</strong>')
+    >>> escape(Markup('<strong>Hello</strong>'))
+    Markup('<strong>hello</strong>')
+    >>> # Markup is a text subclass (str on Python 3, unicode on Python 2)
+    >>> # methods and operators escape their arguments
+    >>> template = Markup("Hello <em>%s</em>")
+    >>> template % '"World"'
+    Markup('Hello <em>&#34;World&#34;</em>')
+
+
+Donate
+------
+
+The Pallets organization develops and supports MarkupSafe and other
+libraries that use it. In order to grow the community of contributors
+and users, and allow the maintainers to devote more time to the
+projects, `please donate today`_.
+
+.. _please donate today: https://palletsprojects.com/donate
+
+
+Links
+-----
+
+*   Website: https://palletsprojects.com/p/markupsafe/
+*   Documentation: https://markupsafe.palletsprojects.com/
+*   License: `BSD-3-Clause <https://github.com/pallets/markupsafe/blob/master/LICENSE.rst>`_
+*   Releases: https://pypi.org/project/MarkupSafe/
+*   Code: https://github.com/pallets/markupsafe
+*   Issue tracker: https://github.com/pallets/markupsafe/issues
+*   Test status:
+
+    *   Linux, Mac: https://travis-ci.org/pallets/markupsafe
+    *   Windows: https://ci.appveyor.com/project/pallets/markupsafe
+
+*   Test coverage: https://codecov.io/gh/pallets/markupsafe
+
+

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+Generator: bdist_wheel (0.32.3)
+Root-Is-Purelib: false
+Tag: cp37-cp37m-linux_armv7l
+

+markupsafe

+pip

+Copyright 2007 Pallets
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+3.  Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+Metadata-Version: 2.1
+Name: Werkzeug
+Version: 1.0.1
+Summary: The comprehensive WSGI web application library.
+Home-page: https://palletsprojects.com/p/werkzeug/
+Author: Armin Ronacher
+Author-email: armin.ronacher@active-4.com
+Maintainer: Pallets
+Maintainer-email: contact@palletsprojects.com
+License: BSD-3-Clause
+Project-URL: Documentation, https://werkzeug.palletsprojects.com/
+Project-URL: Code, https://github.com/pallets/werkzeug
+Project-URL: Issue tracker, https://github.com/pallets/werkzeug/issues
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Environment :: Web Environment
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 2.7
+Classifier: Programming Language :: Python :: 3
+Classifier: Programming Language :: Python :: 3.5
+Classifier: Programming Language :: Python :: 3.6
+Classifier: Programming Language :: Python :: 3.7
+Classifier: Programming Language :: Python :: 3.8
+Classifier: Programming Language :: Python :: Implementation :: CPython
+Classifier: Programming Language :: Python :: Implementation :: PyPy
+Classifier: Topic :: Internet :: WWW/HTTP :: Dynamic Content
+Classifier: Topic :: Internet :: WWW/HTTP :: WSGI
+Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Application
+Classifier: Topic :: Internet :: WWW/HTTP :: WSGI :: Middleware
+Classifier: Topic :: Software Development :: Libraries :: Application Frameworks
+Classifier: Topic :: Software Development :: Libraries :: Python Modules
+Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+Description-Content-Type: text/x-rst
+Provides-Extra: dev
+Requires-Dist: pytest ; extra == 'dev'
+Requires-Dist: pytest-timeout ; extra == 'dev'
+Requires-Dist: coverage ; extra == 'dev'
+Requires-Dist: tox ; extra == 'dev'
+Requires-Dist: sphinx ; extra == 'dev'
+Requires-Dist: pallets-sphinx-themes ; extra == 'dev'
+Requires-Dist: sphinx-issues ; extra == 'dev'
+Provides-Extra: watchdog
+Requires-Dist: watchdog ; extra == 'watchdog'
+
+Werkzeug
+========
+
+*werkzeug* German noun: "tool". Etymology: *werk* ("work"), *zeug* ("stuff")
+
+Werkzeug is a comprehensive `WSGI`_ web application library. It began as
+a simple collection of various utilities for WSGI applications and has
+become one of the most advanced WSGI utility libraries.
+
+It includes:
+
+-   An interactive debugger that allows inspecting stack traces and
+    source code in the browser with an interactive interpreter for any
+    frame in the stack.
+-   A full-featured request object with objects to interact with
+    headers, query args, form data, files, and cookies.
+-   A response object that can wrap other WSGI applications and handle
+    streaming data.
+-   A routing system for matching URLs to endpoints and generating URLs
+    for endpoints, with an extensible system for capturing variables
+    from URLs.
+-   HTTP utilities to handle entity tags, cache control, dates, user
+    agents, cookies, files, and more.
+-   A threaded WSGI server for use while developing applications
+    locally.
+-   A test client for simulating HTTP requests during testing without
+    requiring running a server.
+
+Werkzeug is Unicode aware and doesn't enforce any dependencies. It is up
+to the developer to choose a template engine, database adapter, and even
+how to handle requests. It can be used to build all sorts of end user
+applications such as blogs, wikis, or bulletin boards.
+
+`Flask`_ wraps Werkzeug, using it to handle the details of WSGI while
+providing more structure and patterns for defining powerful
+applications.
+
+
+Installing
+----------
+
+Install and update using `pip`_:
+
+.. code-block:: text
+
+    pip install -U Werkzeug
+
+
+A Simple Example
+----------------
+
+.. code-block:: python
+
+    from werkzeug.wrappers import Request, Response
+
+    @Request.application
+    def application(request):
+        return Response('Hello, World!')
+
+    if __name__ == '__main__':
+        from werkzeug.serving import run_simple
+        run_simple('localhost', 4000, application)
+
+
+Links
+-----
+
+-   Website: https://palletsprojects.com/p/werkzeug/
+-   Documentation: https://werkzeug.palletsprojects.com/
+-   Releases: https://pypi.org/project/Werkzeug/
+-   Code: https://github.com/pallets/werkzeug
+-   Issue tracker: https://github.com/pallets/werkzeug/issues
+-   Test status: https://dev.azure.com/pallets/werkzeug/_build
+-   Official chat: https://discord.gg/t6rrQZH
+
+.. _WSGI: https://wsgi.readthedocs.io/en/latest/
+.. _Flask: https://www.palletsprojects.com/p/flask/
+.. _pip: https://pip.pypa.io/en/stable/quickstart/
+
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+Tag: py2-none-any
+Tag: py3-none-any
+

+werkzeug

+pip

+Copyright 2014 Pallets
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+1.  Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+
+2.  Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+
+3.  Neither the name of the copyright holder nor the names of its
+    contributors may be used to endorse or promote products derived from
+    this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

+Metadata-Version: 2.1
+Name: click
+Version: 7.1.2
+Summary: Composable command line interface toolkit
+Home-page: https://palletsprojects.com/p/click/
+Maintainer: Pallets
+Maintainer-email: contact@palletsprojects.com
+License: BSD-3-Clause
+Project-URL: Documentation, https://click.palletsprojects.com/
+Project-URL: Code, https://github.com/pallets/click
+Project-URL: Issue tracker, https://github.com/pallets/click/issues
+Platform: UNKNOWN
+Classifier: Development Status :: 5 - Production/Stable
+Classifier: Intended Audience :: Developers
+Classifier: License :: OSI Approved :: BSD License
+Classifier: Operating System :: OS Independent
+Classifier: Programming Language :: Python
+Classifier: Programming Language :: Python :: 2
+Classifier: Programming Language :: Python :: 3
+Requires-Python: >=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*
+
+\$ click\_
+==========
+
+Click is a Python package for creating beautiful command line interfaces
+in a composable way with as little code as necessary. It's the "Command
+Line Interface Creation Kit". It's highly configurable but comes with
+sensible defaults out of the box.
+
+It aims to make the process of writing command line tools quick and fun
+while also preventing any frustration caused by the inability to
+implement an intended CLI API.
+
+Click in three points:
+
+-   Arbitrary nesting of commands
+-   Automatic help page generation
+-   Supports lazy loading of subcommands at runtime
+
+
+Installing
+----------
+
+Install and update using `pip`_:
+
+.. code-block:: text
+
+    $ pip install -U click
+
+.. _pip: https://pip.pypa.io/en/stable/quickstart/
+
+
+A Simple Example
+----------------
+
+.. code-block:: python
+
+    import click
+
+    @click.command()
+    @click.option("--count", default=1, help="Number of greetings.")
+    @click.option("--name", prompt="Your name", help="The person to greet.")
+    def hello(count, name):
+        """Simple program that greets NAME for a total of COUNT times."""
+        for _ in range(count):
+            click.echo(f"Hello, {name}!")
+
+    if __name__ == '__main__':
+        hello()
+
+.. code-block:: text
+
+    $ python hello.py --count=3
+    Your name: Click
+    Hello, Click!
+    Hello, Click!
+    Hello, Click!
+
+
+Donate
+------
+
+The Pallets organization develops and supports Click and other popular
+packages. In order to grow the community of contributors and users, and
+allow the maintainers to devote more time to the projects, `please
+donate today`_.
+
+.. _please donate today: https://palletsprojects.com/donate
+
+
+Links
+-----
+
+-   Website: https://palletsprojects.com/p/click/
+-   Documentation: https://click.palletsprojects.com/
+-   Releases: https://pypi.org/project/click/
+-   Code: https://github.com/pallets/click
+-   Issue tracker: https://github.com/pallets/click/issues
+-   Test status: https://dev.azure.com/pallets/click/_build
+-   Official chat: https://discord.gg/t6rrQZH
+
+

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+Wheel-Version: 1.0
+Generator: bdist_wheel (0.34.2)
+Root-Is-Purelib: true
+Tag: py2-none-any
+Tag: py3-none-any
+

+click

+"""
+Click is a simple Python module inspired by the stdlib optparse to make
+writing command line scripts fun. Unlike other modules, it's based
+around a simple API that does not come with too much magic and is
+composable.
+"""
+from .core import Argument
+from .core import BaseCommand
+from .core import Command
+from .core import CommandCollection
+from .core import Context
+from .core import Group
+from .core import MultiCommand
+from .core import Option
+from .core import Parameter
+from .decorators import argument
+from .decorators import command
+from .decorators import confirmation_option
+from .decorators import group
+from .decorators import help_option
+from .decorators import make_pass_decorator
+from .decorators import option
+from .decorators import pass_context
+from .decorators import pass_obj
+from .decorators import password_option
+from .decorators import version_option
+from .exceptions import Abort
+from .exceptions import BadArgumentUsage
+from .exceptions import BadOptionUsage
+from .exceptions import BadParameter
+from .exceptions import ClickException
+from .exceptions import FileError
+from .exceptions import MissingParameter
+from .exceptions import NoSuchOption
+from .exceptions import UsageError
+from .formatting import HelpFormatter
+from .formatting import wrap_text
+from .globals import get_current_context
+from .parser import OptionParser
+from .termui import clear
+from .termui import confirm
+from .termui import echo_via_pager
+from .termui import edit
+from .termui import get_terminal_size
+from .termui import getchar
+from .termui import launch
+from .termui import pause
+from .termui import progressbar
+from .termui import prompt
+from .termui import secho
+from .termui import style
+from .termui import unstyle
+from .types import BOOL
+from .types import Choice
+from .types import DateTime
+from .types import File
+from .types import FLOAT
+from .types import FloatRange
+from .types import INT
+from .types import IntRange
+from .types import ParamType
+from .types import Path
+from .types import STRING
+from .types import Tuple
+from .types import UNPROCESSED
+from .types import UUID
+from .utils import echo
+from .utils import format_filename
+from .utils import get_app_dir
+from .utils import get_binary_stream
+from .utils import get_os_args
+from .utils import get_text_stream
+from .utils import open_file
+
+# Controls if click should emit the warning about the use of unicode
+# literals.
+disable_unicode_literals_warning = False
+
+__version__ = "7.1.2"

+import textwrap
+from contextlib import contextmanager
+
+
+class TextWrapper(textwrap.TextWrapper):
+    def _handle_long_word(self, reversed_chunks, cur_line, cur_len, width):
+        space_left = max(width - cur_len, 1)
+
+        if self.break_long_words:
+            last = reversed_chunks[-1]
+            cut = last[:space_left]
+            res = last[space_left:]
+            cur_line.append(cut)
+            reversed_chunks[-1] = res
+        elif not cur_line:
+            cur_line.append(reversed_chunks.pop())
+
+    @contextmanager
+    def extra_indent(self, indent):
+        old_initial_indent = self.initial_indent
+        old_subsequent_indent = self.subsequent_indent
+        self.initial_indent += indent
+        self.subsequent_indent += indent
+        try:
+            yield
+        finally:
+            self.initial_indent = old_initial_indent
+            self.subsequent_indent = old_subsequent_indent
+
+    def indent_only(self, text):
+        rv = []
+        for idx, line in enumerate(text.splitlines()):
+            indent = self.initial_indent
+            if idx > 0:
+                indent = self.subsequent_indent
+            rv.append(indent + line)
+        return "\n".join(rv)

+import codecs
+import os
+import sys
+
+from ._compat import PY2
+
+
+def _find_unicode_literals_frame():
+    import __future__
+
+    if not hasattr(sys, "_getframe"):  # not all Python implementations have it
+        return 0
+    frm = sys._getframe(1)
+    idx = 1
+    while frm is not None:
+        if frm.f_globals.get("__name__", "").startswith("click."):
+            frm = frm.f_back
+            idx += 1
+        elif frm.f_code.co_flags & __future__.unicode_literals.compiler_flag:
+            return idx
+        else:
+            break
+    return 0
+
+
+def _check_for_unicode_literals():
+    if not __debug__:
+        return
+
+    from . import disable_unicode_literals_warning
+
+    if not PY2 or disable_unicode_literals_warning:
+        return
+    bad_frame = _find_unicode_literals_frame()
+    if bad_frame <= 0:
+        return
+    from warnings import warn
+
+    warn(
+        Warning(
+            "Click detected the use of the unicode_literals __future__"
+            " import. This is heavily discouraged because it can"
+            " introduce subtle bugs in your code. You should instead"
+            ' use explicit u"" literals for your unicode strings. For'
+            " more information see"
+            " https://click.palletsprojects.com/python3/"
+        ),
+        stacklevel=bad_frame,
+    )
+
+
+def _verify_python3_env():
+    """Ensures that the environment is good for unicode on Python 3."""
+    if PY2:
+        return
+    try:
+        import locale
+
+        fs_enc = codecs.lookup(locale.getpreferredencoding()).name
+    except Exception:
+        fs_enc = "ascii"
+    if fs_enc != "ascii":
+        return
+
+    extra = ""
+    if os.name == "posix":
+        import subprocess
+
+        try:
+            rv = subprocess.Popen(
+                ["locale", "-a"], stdout=subprocess.PIPE, stderr=subprocess.PIPE
+            ).communicate()[0]
+        except OSError:
+            rv = b""
+        good_locales = set()
+        has_c_utf8 = False
+
+        # Make sure we're operating on text here.
+        if isinstance(rv, bytes):
+            rv = rv.decode("ascii", "replace")
+
+        for line in rv.splitlines():
+            locale = line.strip()
+            if locale.lower().endswith((".utf-8", ".utf8")):
+                good_locales.add(locale)
+                if locale.lower() in ("c.utf8", "c.utf-8"):
+                    has_c_utf8 = True
+
+        extra += "\n\n"
+        if not good_locales:
+            extra += (
+                "Additional information: on this system no suitable"
+                " UTF-8 locales were discovered. This most likely"
+                " requires resolving by reconfiguring the locale"
+                " system."
+            )
+        elif has_c_utf8:
+            extra += (
+                "This system supports the C.UTF-8 locale which is"
+                " recommended. You might be able to resolve your issue"
+                " by exporting the following environment variables:\n\n"
+                "    export LC_ALL=C.UTF-8\n"
+                "    export LANG=C.UTF-8"
+            )
+        else:
+            extra += (
+                "This system lists a couple of UTF-8 supporting locales"
+                " that you can pick from. The following suitable"
+                " locales were discovered: {}".format(", ".join(sorted(good_locales)))
+            )
+
+        bad_locale = None
+        for locale in os.environ.get("LC_ALL"), os.environ.get("LANG"):
+            if locale and locale.lower().endswith((".utf-8", ".utf8")):
+                bad_locale = locale
+            if locale is not None:
+                break
+        if bad_locale is not None:
+            extra += (
+                "\n\nClick discovered that you exported a UTF-8 locale"
+                " but the locale system could not pick up from it"
+                " because it does not exist. The exported locale is"
+                " '{}' but it is not supported".format(bad_locale)
+            )
+
+    raise RuntimeError(
+        "Click will abort further execution because Python 3 was"
+        " configured to use ASCII as encoding for the environment."
+        " Consult https://click.palletsprojects.com/python3/ for"
+        " mitigation steps.{}".format(extra)
+    )

+# -*- coding: utf-8 -*-
+# This module is based on the excellent work by Adam Bartoš who
+# provided a lot of what went into the implementation here in
+# the discussion to issue1602 in the Python bug tracker.
+#
+# There are some general differences in regards to how this works
+# compared to the original patches as we do not need to patch
+# the entire interpreter but just work in our little world of
+# echo and prmopt.
+import ctypes
+import io
+import os
+import sys
+import time
+import zlib
+from ctypes import byref
+from ctypes import c_char
+from ctypes import c_char_p
+from ctypes import c_int
+from ctypes import c_ssize_t
+from ctypes import c_ulong
+from ctypes import c_void_p
+from ctypes import POINTER
+from ctypes import py_object
+from ctypes import windll
+from ctypes import WinError
+from ctypes import WINFUNCTYPE
+from ctypes.wintypes import DWORD
+from ctypes.wintypes import HANDLE
+from ctypes.wintypes import LPCWSTR
+from ctypes.wintypes import LPWSTR
+
+import msvcrt
+
+from ._compat import _NonClosingTextIOWrapper
+from ._compat import PY2
+from ._compat import text_type
+
+try:
+    from ctypes import pythonapi
+
+    PyObject_GetBuffer = pythonapi.PyObject_GetBuffer
+    PyBuffer_Release = pythonapi.PyBuffer_Release
+except ImportError:
+    pythonapi = None
+
+
+c_ssize_p = POINTER(c_ssize_t)
+
+kernel32 = windll.kernel32
+GetStdHandle = kernel32.GetStdHandle
+ReadConsoleW = kernel32.ReadConsoleW
+WriteConsoleW = kernel32.WriteConsoleW
+GetConsoleMode = kernel32.GetConsoleMode
+GetLastError = kernel32.GetLastError
+GetCommandLineW = WINFUNCTYPE(LPWSTR)(("GetCommandLineW", windll.kernel32))
+CommandLineToArgvW = WINFUNCTYPE(POINTER(LPWSTR), LPCWSTR, POINTER(c_int))(
+    ("CommandLineToArgvW", windll.shell32)
+)
+LocalFree = WINFUNCTYPE(ctypes.c_void_p, ctypes.c_void_p)(
+    ("LocalFree", windll.kernel32)
+)
+
+
+STDIN_HANDLE = GetStdHandle(-10)
+STDOUT_HANDLE = GetStdHandle(-11)
+STDERR_HANDLE = GetStdHandle(-12)
+
+
+PyBUF_SIMPLE = 0
+PyBUF_WRITABLE = 1
+
+ERROR_SUCCESS = 0
+ERROR_NOT_ENOUGH_MEMORY = 8
+ERROR_OPERATION_ABORTED = 995
+
+STDIN_FILENO = 0
+STDOUT_FILENO = 1
+STDERR_FILENO = 2
+
+EOF = b"\x1a"
+MAX_BYTES_WRITTEN = 32767
+
+
+class Py_buffer(ctypes.Structure):
+    _fields_ = [
+        ("buf", c_void_p),
+        ("obj", py_object),
+        ("len", c_ssize_t),
+        ("itemsize", c_ssize_t),
+        ("readonly", c_int),
+        ("ndim", c_int),
+        ("format", c_char_p),
+        ("shape", c_ssize_p),
+        ("strides", c_ssize_p),
+        ("suboffsets", c_ssize_p),
+        ("internal", c_void_p),
+    ]
+
+    if PY2:
+        _fields_.insert(-1, ("smalltable", c_ssize_t * 2))
+
+
+# On PyPy we cannot get buffers so our ability to operate here is
+# serverly limited.
+if pythonapi is None:
+    get_buffer = None
+else:
+
+    def get_buffer(obj, writable=False):
+        buf = Py_buffer()
+        flags = PyBUF_WRITABLE if writable else PyBUF_SIMPLE
+        PyObject_GetBuffer(py_object(obj), byref(buf), flags)
+        try:
+            buffer_type = c_char * buf.len
+            return buffer_type.from_address(buf.buf)
+        finally:
+            PyBuffer_Release(byref(buf))
+
+
+class _WindowsConsoleRawIOBase(io.RawIOBase):
+    def __init__(self, handle):
+        self.handle = handle
+
+    def isatty(self):
+        io.RawIOBase.isatty(self)
+        return True
+
+
+class _WindowsConsoleReader(_WindowsConsoleRawIOBase):
+    def readable(self):
+        return True
+
+    def readinto(self, b):
+        bytes_to_be_read = len(b)
+        if not bytes_to_be_read:
+            return 0
+        elif bytes_to_be_read % 2:
+            raise ValueError(
+                "cannot read odd number of bytes from UTF-16-LE encoded console"
+            )
+
+        buffer = get_buffer(b, writable=True)
+        code_units_to_be_read = bytes_to_be_read // 2
+        code_units_read = c_ulong()
+
+        rv = ReadConsoleW(
+            HANDLE(self.handle),
+            buffer,
+            code_units_to_be_read,
+            byref(code_units_read),
+            None,
+        )
+        if GetLastError() == ERROR_OPERATION_ABORTED:
+            # wait for KeyboardInterrupt
+            time.sleep(0.1)
+        if not rv:
+            raise OSError("Windows error: {}".format(GetLastError()))
+
+        if buffer[0] == EOF:
+            return 0
+        return 2 * code_units_read.value
+
+
+class _WindowsConsoleWriter(_WindowsConsoleRawIOBase):
+    def writable(self):
+        return True
+
+    @staticmethod
+    def _get_error_message(errno):
+        if errno == ERROR_SUCCESS:
+            return "ERROR_SUCCESS"
+        elif errno == ERROR_NOT_ENOUGH_MEMORY:
+            return "ERROR_NOT_ENOUGH_MEMORY"
+        return "Windows error {}".format(errno)
+
+    def write(self, b):
+        bytes_to_be_written = len(b)
+        buf = get_buffer(b)
+        code_units_to_be_written = min(bytes_to_be_written, MAX_BYTES_WRITTEN) // 2
+        code_units_written = c_ulong()
+
+        WriteConsoleW(
+            HANDLE(self.handle),
+            buf,
+            code_units_to_be_written,
+            byref(code_units_written),
+            None,
+        )
+        bytes_written = 2 * code_units_written.value
+
+        if bytes_written == 0 and bytes_to_be_written > 0:
+            raise OSError(self._get_error_message(GetLastError()))
+        return bytes_written
+
+
+class ConsoleStream(object):
+    def __init__(self, text_stream, byte_stream):
+        self._text_stream = text_stream
+        self.buffer = byte_stream
+
+    @property
+    def name(self):
+        return self.buffer.name
+
+    def write(self, x):
+        if isinstance(x, text_type):
+            return self._text_stream.write(x)
+        try:
+            self.flush()
+        except Exception:
+            pass
+        return self.buffer.write(x)
+
+    def writelines(self, lines):
+        for line in lines:
+            self.write(line)
+
+    def __getattr__(self, name):
+        return getattr(self._text_stream, name)
+
+    def isatty(self):
+        return self.buffer.isatty()
+
+    def __repr__(self):
+        return "<ConsoleStream name={!r} encoding={!r}>".format(
+            self.name, self.encoding
+        )
+
+
+class WindowsChunkedWriter(object):
+    """
+    Wraps a stream (such as stdout), acting as a transparent proxy for all
+    attribute access apart from method 'write()' which we wrap to write in
+    limited chunks due to a Windows limitation on binary console streams.
+    """
+
+    def __init__(self, wrapped):
+        # double-underscore everything to prevent clashes with names of
+        # attributes on the wrapped stream object.
+        self.__wrapped = wrapped
+
+    def __getattr__(self, name):
+        return getattr(self.__wrapped, name)
+
+    def write(self, text):
+        total_to_write = len(text)
+        written = 0
+
+        while written < total_to_write:
+            to_write = min(total_to_write - written, MAX_BYTES_WRITTEN)
+            self.__wrapped.write(text[written : written + to_write])
+            written += to_write
+
+
+_wrapped_std_streams = set()
+
+
+def _wrap_std_stream(name):
+    # Python 2 & Windows 7 and below
+    if (
+        PY2
+        and sys.getwindowsversion()[:2] <= (6, 1)
+        and name not in _wrapped_std_streams
+    ):
+        setattr(sys, name, WindowsChunkedWriter(getattr(sys, name)))
+        _wrapped_std_streams.add(name)
+
+
+def _get_text_stdin(buffer_stream):
+    text_stream = _NonClosingTextIOWrapper(
+        io.BufferedReader(_WindowsConsoleReader(STDIN_HANDLE)),
+        "utf-16-le",
+        "strict",
+        line_buffering=True,
+    )
+    return ConsoleStream(text_stream, buffer_stream)
+
+
+def _get_text_stdout(buffer_stream):
+    text_stream = _NonClosingTextIOWrapper(
+        io.BufferedWriter(_WindowsConsoleWriter(STDOUT_HANDLE)),
+        "utf-16-le",
+        "strict",
+        line_buffering=True,
+    )
+    return ConsoleStream(text_stream, buffer_stream)
+
+
+def _get_text_stderr(buffer_stream):
+    text_stream = _NonClosingTextIOWrapper(
+        io.BufferedWriter(_WindowsConsoleWriter(STDERR_HANDLE)),
+        "utf-16-le",
+        "strict",
+        line_buffering=True,
+    )
+    return ConsoleStream(text_stream, buffer_stream)
+
+
+if PY2:
+
+    def _hash_py_argv():
+        return zlib.crc32("\x00".join(sys.argv[1:]))
+
+    _initial_argv_hash = _hash_py_argv()
+
+    def _get_windows_argv():
+        argc = c_int(0)
+        argv_unicode = CommandLineToArgvW(GetCommandLineW(), byref(argc))
+        if not argv_unicode:
+            raise WinError()
+        try:
+            argv = [argv_unicode[i] for i in range(0, argc.value)]
+        finally:
+            LocalFree(argv_unicode)
+            del argv_unicode
+
+        if not hasattr(sys, "frozen"):
+            argv = argv[1:]
+            while len(argv) > 0:
+                arg = argv[0]
+                if not arg.startswith("-") or arg == "-":
+                    break
+                argv = argv[1:]
+                if arg.startswith(("-c", "-m")):
+                    break
+
+        return argv[1:]
+
+
+_stream_factories = {
+    0: _get_text_stdin,
+    1: _get_text_stdout,
+    2: _get_text_stderr,
+}
+
+
+def _is_console(f):
+    if not hasattr(f, "fileno"):
+        return False
+
+    try:
+        fileno = f.fileno()
+    except OSError:
+        return False
+
+    handle = msvcrt.get_osfhandle(fileno)
+    return bool(GetConsoleMode(handle, byref(DWORD())))
+
+
+def _get_windows_console_stream(f, encoding, errors):
+    if (
+        get_buffer is not None
+        and encoding in ("utf-16-le", None)
+        and errors in ("strict", None)
+        and _is_console(f)
+    ):
+        func = _stream_factories.get(f.fileno())
+        if func is not None:
+            if not PY2:
+                f = getattr(f, "buffer", None)
+                if f is None:
+                    return None
+            else:
+                # If we are on Python 2 we need to set the stream that we
+                # deal with to binary mode as otherwise the exercise if a
+                # bit moot.  The same problems apply as for
+                # get_binary_stdin and friends from _compat.
+                msvcrt.setmode(f.fileno(), os.O_BINARY)
+            return func(f)

+from ._compat import filename_to_ui
+from ._compat import get_text_stderr
+from ._compat import PY2
+from .utils import echo
+
+
+def _join_param_hints(param_hint):
+    if isinstance(param_hint, (tuple, list)):
+        return " / ".join(repr(x) for x in param_hint)
+    return param_hint
+
+
+class ClickException(Exception):
+    """An exception that Click can handle and show to the user."""
+
+    #: The exit code for this exception
+    exit_code = 1
+
+    def __init__(self, message):
+        ctor_msg = message
+        if PY2:
+            if ctor_msg is not None:
+                ctor_msg = ctor_msg.encode("utf-8")
+        Exception.__init__(self, ctor_msg)
+        self.message = message
+
+    def format_message(self):
+        return self.message
+
+    def __str__(self):
+        return self.message
+
+    if PY2:
+        __unicode__ = __str__
+
+        def __str__(self):
+            return self.message.encode("utf-8")
+
+    def show(self, file=None):
+        if file is None:
+            file = get_text_stderr()
+        echo("Error: {}".format(self.format_message()), file=file)
+
+
+class UsageError(ClickException):
+    """An internal exception that signals a usage error.  This typically
+    aborts any further handling.
+
+    :param message: the error message to display.
+    :param ctx: optionally the context that caused this error.  Click will
+                fill in the context automatically in some situations.
+    """
+
+    exit_code = 2
+
+    def __init__(self, message, ctx=None):
+        ClickException.__init__(self, message)
+        self.ctx = ctx
+        self.cmd = self.ctx.command if self.ctx else None
+
+    def show(self, file=None):
+        if file is None:
+            file = get_text_stderr()
+        color = None
+        hint = ""
+        if self.cmd is not None and self.cmd.get_help_option(self.ctx) is not None:
+            hint = "Try '{} {}' for help.\n".format(
+                self.ctx.command_path, self.ctx.help_option_names[0]
+            )
+        if self.ctx is not None:
+            color = self.ctx.color
+            echo("{}\n{}".format(self.ctx.get_usage(), hint), file=file, color=color)
+        echo("Error: {}".format(self.format_message()), file=file, color=color)
+
+
+class BadParameter(UsageError):
+    """An exception that formats out a standardized error message for a
+    bad parameter.  This is useful when thrown from a callback or type as
+    Click will attach contextual information to it (for instance, which
+    parameter it is).
+
+    .. versionadded:: 2.0
+
+    :param param: the parameter object that caused this error.  This can
+                  be left out, and Click will attach this info itself
+                  if possible.
+    :param param_hint: a string that shows up as parameter name.  This
+                       can be used as alternative to `param` in cases
+                       where custom validation should happen.  If it is
+                       a string it's used as such, if it's a list then
+                       each item is quoted and separated.
+    """
+
+    def __init__(self, message, ctx=None, param=None, param_hint=None):
+        UsageError.__init__(self, message, ctx)
+        self.param = param
+        self.param_hint = param_hint
+
+    def format_message(self):
+        if self.param_hint is not None:
+            param_hint = self.param_hint
+        elif self.param is not None:
+            param_hint = self.param.get_error_hint(self.ctx)
+        else:
+            return "Invalid value: {}".format(self.message)
+        param_hint = _join_param_hints(param_hint)
+
+        return "Invalid value for {}: {}".format(param_hint, self.message)
+
+
+class MissingParameter(BadParameter):
+    """Raised if click required an option or argument but it was not
+    provided when invoking the script.
+
+    .. versionadded:: 4.0
+
+    :param param_type: a string that indicates the type of the parameter.
+                       The default is to inherit the parameter type from
+                       the given `param`.  Valid values are ``'parameter'``,
+                       ``'option'`` or ``'argument'``.
+    """
+
+    def __init__(
+        self, message=None, ctx=None, param=None, param_hint=None, param_type=None
+    ):
+        BadParameter.__init__(self, message, ctx, param, param_hint)
+        self.param_type = param_type
+
+    def format_message(self):
+        if self.param_hint is not None:
+            param_hint = self.param_hint
+        elif self.param is not None:
+            param_hint = self.param.get_error_hint(self.ctx)
+        else:
+            param_hint = None
+        param_hint = _join_param_hints(param_hint)
+
+        param_type = self.param_type
+        if param_type is None and self.param is not None:
+            param_type = self.param.param_type_name
+
+        msg = self.message
+        if self.param is not None:
+            msg_extra = self.param.type.get_missing_message(self.param)
+            if msg_extra:
+                if msg:
+                    msg += ".  {}".format(msg_extra)
+                else:
+                    msg = msg_extra
+
+        return "Missing {}{}{}{}".format(
+            param_type,
+            " {}".format(param_hint) if param_hint else "",
+            ".  " if msg else ".",
+            msg or "",
+        )
+
+    def __str__(self):
+        if self.message is None:
+            param_name = self.param.name if self.param else None
+            return "missing parameter: {}".format(param_name)
+        else:
+            return self.message
+
+    if PY2:
+        __unicode__ = __str__
+
+        def __str__(self):
+            return self.__unicode__().encode("utf-8")
+
+
+class NoSuchOption(UsageError):
+    """Raised if click attempted to handle an option that does not
+    exist.
+
+    .. versionadded:: 4.0
+    """
+
+    def __init__(self, option_name, message=None, possibilities=None, ctx=None):
+        if message is None:
+            message = "no such option: {}".format(option_name)
+        UsageError.__init__(self, message, ctx)
+        self.option_name = option_name
+        self.possibilities = possibilities
+
+    def format_message(self):
+        bits = [self.message]
+        if self.possibilities:
+            if len(self.possibilities) == 1:
+                bits.append("Did you mean {}?".format(self.possibilities[0]))
+            else:
+                possibilities = sorted(self.possibilities)
+                bits.append("(Possible options: {})".format(", ".join(possibilities)))
+        return "  ".join(bits)
+
+
+class BadOptionUsage(UsageError):
+    """Raised if an option is generally supplied but the use of the option
+    was incorrect.  This is for instance raised if the number of arguments
+    for an option is not correct.
+
+    .. versionadded:: 4.0
+
+    :param option_name: the name of the option being used incorrectly.
+    """
+
+    def __init__(self, option_name, message, ctx=None):
+        UsageError.__init__(self, message, ctx)
+        self.option_name = option_name
+
+
+class BadArgumentUsage(UsageError):
+    """Raised if an argument is generally supplied but the use of the argument
+    was incorrect.  This is for instance raised if the number of values
+    for an argument is not correct.
+
+    .. versionadded:: 6.0
+    """
+
+    def __init__(self, message, ctx=None):
+        UsageError.__init__(self, message, ctx)
+
+
+class FileError(ClickException):
+    """Raised if a file cannot be opened."""
+
+    def __init__(self, filename, hint=None):
+        ui_filename = filename_to_ui(filename)
+        if hint is None:
+            hint = "unknown error"
+        ClickException.__init__(self, hint)
+        self.ui_filename = ui_filename
+        self.filename = filename
+
+    def format_message(self):
+        return "Could not open file {}: {}".format(self.ui_filename, self.message)
+
+
+class Abort(RuntimeError):
+    """An internal signalling exception that signals Click to abort."""
+
+
+class Exit(RuntimeError):
+    """An exception that indicates that the application should exit with some
+    status code.
+
+    :param code: the status code to exit with.
+    """
+
+    __slots__ = ("exit_code",)
+
+    def __init__(self, code=0):
+        self.exit_code = code

+from contextlib import contextmanager
+
+from ._compat import term_len
+from .parser import split_opt
+from .termui import get_terminal_size
+
+# Can force a width.  This is used by the test system
+FORCED_WIDTH = None
+
+
+def measure_table(rows):
+    widths = {}
+    for row in rows:
+        for idx, col in enumerate(row):
+            widths[idx] = max(widths.get(idx, 0), term_len(col))
+    return tuple(y for x, y in sorted(widths.items()))
+
+
+def iter_rows(rows, col_count):
+    for row in rows:
+        row = tuple(row)
+        yield row + ("",) * (col_count - len(row))
+
+
+def wrap_text(
+    text, width=78, initial_indent="", subsequent_indent="", preserve_paragraphs=False
+):
+    """A helper function that intelligently wraps text.  By default, it
+    assumes that it operates on a single paragraph of text but if the
+    `preserve_paragraphs` parameter is provided it will intelligently
+    handle paragraphs (defined by two empty lines).
+
+    If paragraphs are handled, a paragraph can be prefixed with an empty
+    line containing the ``\\b`` character (``\\x08``) to indicate that
+    no rewrapping should happen in that block.
+
+    :param text: the text that should be rewrapped.
+    :param width: the maximum width for the text.
+    :param initial_indent: the initial indent that should be placed on the
+                           first line as a string.
+    :param subsequent_indent: the indent string that should be placed on
+                              each consecutive line.
+    :param preserve_paragraphs: if this flag is set then the wrapping will
+                                intelligently handle paragraphs.
+    """
+    from ._textwrap import TextWrapper
+
+    text = text.expandtabs()
+    wrapper = TextWrapper(
+        width,
+        initial_indent=initial_indent,
+        subsequent_indent=subsequent_indent,
+        replace_whitespace=False,
+    )
+    if not preserve_paragraphs:
+        return wrapper.fill(text)
+
+    p = []
+    buf = []
+    indent = None
+
+    def _flush_par():
+        if not buf:
+            return
+        if buf[0].strip() == "\b":
+            p.append((indent or 0, True, "\n".join(buf[1:])))
+        else:
+            p.append((indent or 0, False, " ".join(buf)))
+        del buf[:]
+
+    for line in text.splitlines():
+        if not line:
+            _flush_par()
+            indent = None
+        else:
+            if indent is None:
+                orig_len = term_len(line)
+                line = line.lstrip()
+                indent = orig_len - term_len(line)
+            buf.append(line)
+    _flush_par()
+
+    rv = []
+    for indent, raw, text in p:
+        with wrapper.extra_indent(" " * indent):
+            if raw:
+                rv.append(wrapper.indent_only(text))
+            else:
+                rv.append(wrapper.fill(text))
+
+    return "\n\n".join(rv)
+
+
+class HelpFormatter(object):
+    """This class helps with formatting text-based help pages.  It's
+    usually just needed for very special internal cases, but it's also
+    exposed so that developers can write their own fancy outputs.
+
+    At present, it always writes into memory.
+
+    :param indent_increment: the additional increment for each level.
+    :param width: the width for the text.  This defaults to the terminal
+                  width clamped to a maximum of 78.
+    """
+
+    def __init__(self, indent_increment=2, width=None, max_width=None):
+        self.indent_increment = indent_increment
+        if max_width is None:
+            max_width = 80
+        if width is None:
+            width = FORCED_WIDTH
+            if width is None:
+                width = max(min(get_terminal_size()[0], max_width) - 2, 50)
+        self.width = width
+        self.current_indent = 0
+        self.buffer = []
+
+    def write(self, string):
+        """Writes a unicode string into the internal buffer."""
+        self.buffer.append(string)
+
+    def indent(self):
+        """Increases the indentation."""
+        self.current_indent += self.indent_increment
+
+    def dedent(self):
+        """Decreases the indentation."""
+        self.current_indent -= self.indent_increment
+
+    def write_usage(self, prog, args="", prefix="Usage: "):
+        """Writes a usage line into the buffer.
+
+        :param prog: the program name.
+        :param args: whitespace separated list of arguments.
+        :param prefix: the prefix for the first line.
+        """
+        usage_prefix = "{:>{w}}{} ".format(prefix, prog, w=self.current_indent)
+        text_width = self.width - self.current_indent
+
+        if text_width >= (term_len(usage_prefix) + 20):
+            # The arguments will fit to the right of the prefix.
+            indent = " " * term_len(usage_prefix)
+            self.write(
+                wrap_text(
+                    args,
+                    text_width,
+                    initial_indent=usage_prefix,
+                    subsequent_indent=indent,
+                )
+            )
+        else:
+            # The prefix is too long, put the arguments on the next line.
+            self.write(usage_prefix)
+            self.write("\n")
+            indent = " " * (max(self.current_indent, term_len(prefix)) + 4)
+            self.write(
+                wrap_text(
+                    args, text_width, initial_indent=indent, subsequent_indent=indent
+                )
+            )
+
+        self.write("\n")
+
+    def write_heading(self, heading):
+        """Writes a heading into the buffer."""
+        self.write("{:>{w}}{}:\n".format("", heading, w=self.current_indent))
+
+    def write_paragraph(self):
+        """Writes a paragraph into the buffer."""
+        if self.buffer:
+            self.write("\n")
+
+    def write_text(self, text):
+        """Writes re-indented text into the buffer.  This rewraps and
+        preserves paragraphs.
+        """
+        text_width = max(self.width - self.current_indent, 11)
+        indent = " " * self.current_indent
+        self.write(
+            wrap_text(
+                text,
+                text_width,
+                initial_indent=indent,
+                subsequent_indent=indent,
+                preserve_paragraphs=True,
+            )
+        )
+        self.write("\n")
+
+    def write_dl(self, rows, col_max=30, col_spacing=2):
+        """Writes a definition list into the buffer.  This is how options
+        and commands are usually formatted.
+
+        :param rows: a list of two item tuples for the terms and values.
+        :param col_max: the maximum width of the first column.
+        :param col_spacing: the number of spaces between the first and
+                            second column.
+        """
+        rows = list(rows)
+        widths = measure_table(rows)
+        if len(widths) != 2:
+            raise TypeError("Expected two columns for definition list")
+
+        first_col = min(widths[0], col_max) + col_spacing
+
+        for first, second in iter_rows(rows, len(widths)):
+            self.write("{:>{w}}{}".format("", first, w=self.current_indent))
+            if not second:
+                self.write("\n")
+                continue
+            if term_len(first) <= first_col - col_spacing:
+                self.write(" " * (first_col - term_len(first)))
+            else:
+                self.write("\n")
+                self.write(" " * (first_col + self.current_indent))
+
+            text_width = max(self.width - first_col - 2, 10)
+            wrapped_text = wrap_text(second, text_width, preserve_paragraphs=True)
+            lines = wrapped_text.splitlines()
+
+            if lines:
+                self.write("{}\n".format(lines[0]))
+
+                for line in lines[1:]:
+                    self.write(
+                        "{:>{w}}{}\n".format(
+                            "", line, w=first_col + self.current_indent
+                        )
+                    )
+
+                if len(lines) > 1:
+                    # separate long help from next option
+                    self.write("\n")
+            else:
+                self.write("\n")
+
+    @contextmanager
+    def section(self, name):
+        """Helpful context manager that writes a paragraph, a heading,
+        and the indents.
+
+        :param name: the section name that is written as heading.
+        """
+        self.write_paragraph()
+        self.write_heading(name)
+        self.indent()
+        try:
+            yield
+        finally:
+            self.dedent()
+
+    @contextmanager
+    def indentation(self):
+        """A context manager that increases the indentation."""
+        self.indent()
+        try:
+            yield
+        finally:
+            self.dedent()
+
+    def getvalue(self):
+        """Returns the buffer contents."""
+        return "".join(self.buffer)
+
+
+def join_options(options):
+    """Given a list of option strings this joins them in the most appropriate
+    way and returns them in the form ``(formatted_string,
+    any_prefix_is_slash)`` where the second item in the tuple is a flag that
+    indicates if any of the option prefixes was a slash.
+    """
+    rv = []
+    any_prefix_is_slash = False
+    for opt in options:
+        prefix = split_opt(opt)[0]
+        if prefix == "/":
+            any_prefix_is_slash = True
+        rv.append((len(prefix), opt))
+
+    rv.sort(key=lambda x: x[0])
+
+    rv = ", ".join(x[1] for x in rv)
+    return rv, any_prefix_is_slash

+from threading import local
+
+_local = local()
+
+
+def get_current_context(silent=False):
+    """Returns the current click context.  This can be used as a way to
+    access the current context object from anywhere.  This is a more implicit
+    alternative to the :func:`pass_context` decorator.  This function is
+    primarily useful for helpers such as :func:`echo` which might be
+    interested in changing its behavior based on the current context.
+
+    To push the current context, :meth:`Context.scope` can be used.
+
+    .. versionadded:: 5.0
+
+    :param silent: if set to `True` the return value is `None` if no context
+                   is available.  The default behavior is to raise a
+                   :exc:`RuntimeError`.
+    """
+    try:
+        return _local.stack[-1]
+    except (AttributeError, IndexError):
+        if not silent:
+            raise RuntimeError("There is no active click context.")
+
+
+def push_context(ctx):
+    """Pushes a new context to the current stack."""
+    _local.__dict__.setdefault("stack", []).append(ctx)
+
+
+def pop_context():
+    """Removes the top level from the stack."""
+    _local.stack.pop()
+
+
+def resolve_color_default(color=None):
+    """"Internal helper to get the default value of the color flag.  If a
+    value is passed it's returned unchanged, otherwise it's looked up from
+    the current context.
+    """
+    if color is not None:
+        return color
+    ctx = get_current_context(silent=True)
+    if ctx is not None:
+        return ctx.color

+MIT License
+
+Copyright (c) 2016-2018 Olli-Pekka Heinisuo and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
\ No newline at end of file

+import importlib
+
+from .cv2 import *
+from .data import *
+
+# wildcard import above does not import "private" variables like __version__
+# this makes them available
+globals().update(importlib.import_module('cv2.cv2').__dict__)

+import os
+
+haarcascades = os.path.join(os.path.dirname(__file__), '')