HW5-1, 5-2 코드

+
+# Created by https://www.gitignore.io/api/django
+# Edit at https://www.gitignore.io/?templates=django
+
+### Django ###
+*.log
+*.pot
+*.pyc
+__pycache__/
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+media
+
+# If your build process includes running collectstatic, then you probably don't need or want to include staticfiles/
+# in your Git repository. Update and uncomment the following line accordingly.
+# <django-project-name>/staticfiles/
+
+### Django.Python Stack ###
+# Byte-compiled / optimized / DLL files
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# End of https://www.gitignore.io/api/django
\ No newline at end of file

+# 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 [ ! "$1" = "nondestructive" ] ; then
+    # Self destruct!
+        unset -f deactivate
+    fi
+}
+
+# unset irrelevant variables
+deactivate nondestructive
+
+VIRTUAL_ENV="/home/jun/documents/Univ/drf_tutorial/env"
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$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(env) " != x ] ; then
+	PS1="(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/jun/documents/Univ/drf_tutorial/env"
+
+set _OLD_VIRTUAL_PATH="$PATH"
+setenv PATH "$VIRTUAL_ENV/bin:$PATH"
+
+
+set _OLD_VIRTUAL_PROMPT="$prompt"
+
+if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
+    if ("env" != "") then
+        set env_name = "env"
+    else
+        if (`basename "VIRTUAL_ENV"` == "__") then
+            # special case for Aspen magic directories
+            # see http://www.zetadev.com/software/aspen/
+            set env_name = `basename \`dirname "$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/jun/documents/Univ/drf_tutorial/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 $status
+
+        # Prompt override?
+        if test -n "(env) "            
+            printf "%s%s" "(env) " (set_color normal)
+        else
+            # ...Otherwise, prepend env
+            set -l _checkbase (basename "$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/jun/documents/Univ/drf_tutorial/env/bin/python3
+# EASY-INSTALL-ENTRY-SCRIPT: 'autopep8==1.5.2','console_scripts','autopep8'
+__requires__ = 'autopep8==1.5.2'
+import re
+import sys
+from pkg_resources import load_entry_point
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(
+        load_entry_point('autopep8==1.5.2', 'console_scripts', 'autopep8')()
+    )

+#!/home/jun/documents/Univ/drf_tutorial/env/bin/python
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from django.core.management import execute_from_command_line
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(execute_from_command_line())

+#!/home/jun/documents/Univ/drf_tutorial/env/bin/python
+from django.core import management
+
+if __name__ == "__main__":
+    management.execute_from_command_line()

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

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

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

+#!/home/jun/documents/Univ/drf_tutorial/env/bin/python3
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pycodestyle import _main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(_main())

+#!/home/jun/documents/Univ/drf_tutorial/env/bin/python
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from pygments.cmdline import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+/usr/bin/python
\ No newline at end of file

+python
\ No newline at end of file

+#!/home/jun/documents/Univ/drf_tutorial/env/bin/python
+
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from sqlparse.__main__ import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())

+lib
\ No newline at end of file

+home = /usr/bin
+include-system-site-packages = false
+version = 3.6.9

+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tutorial.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

+from django.contrib import admin
+
+# Register your models here.

+from django.apps import AppConfig
+
+
+class QuickstartConfig(AppConfig):
+    name = 'quickstart'

+from django.db import models
+
+# Create your models here.

+from django.contrib.auth.models import User, Group
+from rest_framework import serializers
+
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = User
+        fields = ['url', 'username', 'email', 'groups']
+
+
+class GroupSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Group
+        fields = ['url', 'name']
\ No newline at end of file

+from django.test import TestCase
+
+# Create your tests here.

+from django.contrib.auth.models import User, Group
+from rest_framework import viewsets
+from rest_framework import permissions
+from quickstart.serializers import UserSerializer, GroupSerializer
+
+
+class UserViewSet(viewsets.ModelViewSet):
+    """
+    API endpoint that allows users to be viewed or edited.
+    """
+    queryset = User.objects.all().order_by('-date_joined')
+    serializer_class = UserSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+
+class GroupViewSet(viewsets.ModelViewSet):
+    """
+    API endpoint that allows groups to be viewed or edited.
+    """
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
+    permission_classes = [permissions.IsAuthenticated]
+

+appdirs==1.4.3
+asgiref==3.2.7
+asn1crypto==0.24.0
+attrs==17.4.0
+Automat==0.6.0
+autopep8==1.5.2
+blinker==1.4
+certifi==2020.4.5.1
+chardet==3.0.4
+click==6.7
+cloud-init==19.4
+colorama==0.3.7
+command-not-found==0.3
+configobj==5.0.6
+constantly==15.1.0
+coreapi==2.3.3
+coreschema==0.0.4
+cryptography==2.1.4
+distlib==0.3.0
+distro-info===0.18ubuntu0.18.04.1
+Django==3.0.5
+django-cors-headers==3.2.1
+django-rest-swagger==2.2.0
+djangorestframework==3.11.0
+filelock==3.0.12
+httpie==0.9.8
+httplib2==0.9.2
+hyperlink==17.3.1
+idna==2.9
+importlib-metadata==1.6.0
+importlib-resources==1.4.0
+incremental==16.10.1
+itypes==1.2.0
+Jinja2==2.11.2
+jsonpatch==1.16
+jsonpointer==1.10
+jsonschema==2.6.0
+keyring==10.6.0
+keyrings.alt==3.0
+language-selector==0.1
+MarkupSafe==1.1.1
+netifaces==0.10.4
+oauthlib==2.0.6
+openapi-codec==1.3.2
+PAM==0.4.2
+pyasn1==0.4.2
+pyasn1-modules==0.2.1
+pycodestyle==2.5.0
+pycrypto==2.6.1
+Pygments==2.6.1
+pygobject==3.26.1
+PyJWT==1.5.3
+pyOpenSSL==17.5.0
+pyserial==3.4
+python-apt==1.6.5+ubuntu0.2
+python-debian==0.1.32
+pytz==2020.1
+pyxdg==0.25
+PyYAML==3.12
+requests==2.23.0
+requests-unixsocket==0.1.5
+SecretStorage==2.3.1
+service-identity==16.0.0
+simplejson==3.17.0
+six==1.14.0
+sqlparse==0.3.1
+ssh-import-id==5.7
+systemd-python==234
+Twisted==17.9.0
+ufw==0.36
+unattended-upgrades==0.1
+uritemplate==3.0.1
+urllib3==1.25.9
+virtualenv==20.0.18
+zipp==3.1.0
+zope.interface==4.3.2

+#!/bin/bash
+python manage.py runserver 0.0.0.0:8000
\ No newline at end of file

+from django.contrib import admin
+
+# Register your models here.

+from django.apps import AppConfig
+
+
+class SnippetsConfig(AppConfig):
+    name = 'snippets'

+from django.db import models
+from pygments.lexers import get_all_lexers
+from pygments.styles import get_all_styles
+from pygments.lexers import get_lexer_by_name
+from pygments.formatters.html import HtmlFormatter
+from pygments import highlight
+
+LEXERS = [item for item in get_all_lexers() if item[1]]
+LANGUAGE_CHOICES = sorted([(item[1][0], item[0]) for item in LEXERS])
+STYLE_CHOICES = sorted([(item, item) for item in get_all_styles()])
+
+
+class Snippet(models.Model):
+    created = models.DateTimeField(auto_now_add=True)
+    title = models.CharField(max_length=100, blank=True, default='')
+    code = models.TextField()
+    linenos = models.BooleanField(default=False)
+    language = models.CharField(
+        choices=LANGUAGE_CHOICES, default='python', max_length=100)
+    style = models.CharField(choices=STYLE_CHOICES,
+                             default='friendly', max_length=100)
+    owner = models.ForeignKey(
+        'auth.User', related_name='snippets', on_delete=models.CASCADE)
+    highlighted = models.TextField()
+
+    def save(self, *args, **kwargs):
+        """
+        Use the `pygments` library to create a highlighted HTML
+        representation of the code snippet.
+        """
+        lexer = get_lexer_by_name(self.language)
+        linenos = 'table' if self.linenos else False
+        options = {'title': self.title} if self.title else {}
+        formatter = HtmlFormatter(style=self.style, linenos=linenos,
+                                  full=True, **options)
+        self.highlighted = highlight(self.code, lexer, formatter)
+        super(Snippet, self).save(*args, **kwargs)
+
+
+class Meta:
+    ordering = ['created']

+from rest_framework import permissions
+
+
+class IsOwnerOrReadOnly(permissions.BasePermission):
+    """
+    Custom permission to only allow owners of an object to edit it.
+    """
+
+    def has_object_permission(self, request, view, obj):
+        # Read permissions are allowed to any request,
+        # so we'll always allow GET, HEAD or OPTIONS requests.
+        if request.method in permissions.SAFE_METHODS:
+            return True
+
+        # Write permissions are only allowed to the owner of the snippet.
+        return obj.owner == request.user

+from rest_framework import serializers
+from snippets.models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES
+from django.contrib.auth.models import User
+
+
+class SnippetSerializer(serializers.HyperlinkedModelSerializer):
+    owner = serializers.ReadOnlyField(source='owner.username')
+    highlight = serializers.HyperlinkedIdentityField(
+        view_name='snippet-highlight', format='html')
+
+    class Meta:
+        model = Snippet
+        fields = ['url', 'id', 'highlight', 'owner',
+                  'title', 'code', 'linenos', 'language', 'style']
+
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    snippets = serializers.HyperlinkedRelatedField(
+        many=True, view_name='snippet-detail', read_only=True)
+
+    class Meta:
+        model = User
+        fields = ['url', 'id', 'username', 'snippets']

+from rest_framework import serializers
+from snippets.models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES
+
+
+class SnippetSerializer(serializers.Serializer):
+    id = serializers.IntegerField(read_only=True)
+    title = serializers.CharField(
+        required=False, allow_blank=True, max_length=100)
+    code = serializers.CharField(style={'base_template': 'textarea.html'})
+    linenos = serializers.BooleanField(required=False)
+    language = serializers.ChoiceField(
+        choices=LANGUAGE_CHOICES, default='python')
+    style = serializers.ChoiceField(choices=STYLE_CHOICES, default='friendly')
+
+    def create(self, validated_data):
+        """
+        Create and return a new `Snippet` instance, given the validated data.
+        """
+        return Snippet.objects.create(**validated_data)
+
+    def update(self, instance, validated_data):
+        """
+        Update and return an existing `Snippet` instance, given the validated data.
+        """
+        instance.title = validated_data.get('title', instance.title)
+        instance.code = validated_data.get('code', instance.code)
+        instance.linenos = validated_data.get('linenos', instance.linenos)
+        instance.language = validated_data.get('language', instance.language)
+        instance.style = validated_data.get('style', instance.style)
+        instance.save()
+        return instance

+from rest_framework import serializers
+from snippets.models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES
+from django.contrib.auth.models import User
+
+
+class SnippetSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Snippet
+        fields = ['id', 'title', 'code', 'linenos', 'language', 'style']
+
+
+class UserSerializer(serializers.ModelSerializer):
+    snippets = serializers.PrimaryKeyRelatedField(
+        many=True, queryset=Snippet.objects.all())
+    owner = serializers.ReadOnlyField(source='owner.username')
+
+    class Meta:
+        model = User
+        fields = ['id', 'username', 'snippets', 'owner']

+from django.test import TestCase
+
+# Create your tests here.

+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from snippets import views
+
+# Create a router and register our viewsets with it.
+router = DefaultRouter()
+router.register(r'snippets', views.SnippetViewSet)
+router.register(r'users', views.UserViewSet)
+
+# The API URLs are now determined automatically by the router.
+urlpatterns = [
+    path('api/file', views.FileListView.as_view(), name="file"),
+    path('', include(router.urls)),
+]

+from django.urls import path
+from rest_framework.urlpatterns import format_suffix_patterns
+from snippets import views
+
+# API endpoints
+urlpatterns = format_suffix_patterns([
+    path('', views.api_root),
+    path('snippets/',
+         views.SnippetList.as_view(),
+         name='snippet-list'),
+    path('snippets/<int:pk>/',
+         views.SnippetDetail.as_view(),
+         name='snippet-detail'),
+    path('snippets/<int:pk>/highlight/',
+         views.SnippetHighlight.as_view(),
+         name='snippet-highlight'),
+    path('users/',
+         views.UserList.as_view(),
+         name='user-list'),
+    path('users/<int:pk>/',
+         views.UserDetail.as_view(),
+         name='user-detail')
+])
+
+# tutorial 3&4 url
+# urlpatterns = [
+#     path('snippets/', views.SnippetList.as_view()),
+#     path('snippets/<int:pk>/', views.SnippetDetail.as_view()),
+#     path('users/', views.UserList.as_view()),
+#     path('users/<int:pk>/', views.UserDetail.as_view()),
+#     path('', views.api_root),
+#     path('snippets/<int:pk>/highlight/', views.SnippetHighlight.as_view()),
+
+# ]
+
+# tutorial. 1&2 url
+# urlpatterns = [
+#     path('snippets/', views.snippet_list),
+#     path('snippets/<int:pk>/', views.snippet_detail),
+# ]
+
+# urlpatterns = format_suffix_patterns(urlpatterns)

+from snippets.views import SnippetViewSet, UserViewSet, api_root
+from django.urls import path
+from rest_framework import renderers
+from rest_framework.urlpatterns import format_suffix_patterns
+
+snippet_list = SnippetViewSet.as_view({
+    'get': 'list',
+    'post': 'create'
+})
+snippet_detail = SnippetViewSet.as_view({
+    'get': 'retrieve',
+    'put': 'update',
+    'patch': 'partial_update',
+    'delete': 'destroy'
+})
+snippet_highlight = SnippetViewSet.as_view({
+    'get': 'highlight'
+}, renderer_classes=[renderers.StaticHTMLRenderer])
+user_list = UserViewSet.as_view({
+    'get': 'list'
+})
+user_detail = UserViewSet.as_view({
+    'get': 'retrieve'
+})
+
+urlpatterns = format_suffix_patterns([
+    path('', api_root),
+    path('snippets/', snippet_list, name='snippet-list'),
+    path('snippets/<int:pk>/', snippet_detail, name='snippet-detail'),
+    path('snippets/<int:pk>/highlight/',
+         snippet_highlight, name='snippet-highlight'),
+    path('users/', user_list, name='user-list'),
+    path('users/<int:pk>/', user_detail, name='user-detail')
+])

+from rest_framework import renderers
+from rest_framework.reverse import reverse
+from rest_framework.response import Response
+from rest_framework.decorators import api_view
+from rest_framework.views import APIView
+from rest_framework.decorators import action
+from rest_framework import mixins
+from rest_framework import generics
+from rest_framework import permissions
+from rest_framework import viewsets
+from django.contrib.auth.models import User
+from snippets.models import Snippet
+from snippets.serializers import SnippetSerializer
+from snippets.serializers import UserSerializer
+from snippets.permissions import IsOwnerOrReadOnly
+
+
+class UserViewSet(viewsets.ReadOnlyModelViewSet):
+    """
+    This viewset automatically provides `list` and `detail` actions.
+    """
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
+
+
+class SnippetViewSet(viewsets.ModelViewSet):
+    """
+    This viewset automatically provides `list`, `create`, `retrieve`,
+    `update` and `destroy` actions.
+
+    Additionally we also provide an extra `highlight` action.
+    """
+    queryset = Snippet.objects.all()
+    serializer_class = SnippetSerializer
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly,
+                          IsOwnerOrReadOnly]
+
+    @action(detail=True, renderer_classes=[renderers.StaticHTMLRenderer])
+    def highlight(self, request, *args, **kwargs):
+        snippet = self.get_object()
+        return Response(snippet.highlighted)
+
+    def perform_create(self, serializer):
+        serializer.save(owner=self.request.user)
+
+
+class SnippetList(generics.ListCreateAPIView):
+    queryset = Snippet.objects.all()
+    serializer_class = SnippetSerializer
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly]
+
+    def perform_create(self, serializer):
+        serializer.save(owner=self.request.user)
+
+
+class SnippetDetail(generics.RetrieveUpdateDestroyAPIView):
+    queryset = Snippet.objects.all()
+    serializer_class = SnippetSerializer
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly,
+                          IsOwnerOrReadOnly]
+
+
+class UserList(generics.ListAPIView):
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
+
+
+class UserDetail(generics.RetrieveAPIView):
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
+
+
+@api_view(['GET'])
+def api_root(request, format=None):
+    return Response({
+        'users': reverse('user-list', request=request, format=format),
+        'snippets': reverse('snippet-list', request=request, format=format)
+    })
+
+
+class SnippetHighlight(generics.GenericAPIView):
+    queryset = Snippet.objects.all()
+    renderer_classes = [renderers.StaticHTMLRenderer]
+
+    def get(self, request, *args, **kwargs):
+        snippet = self.get_object()
+        return Response(snippet.highlighted)
+
+class FileListView(APIView):
+    def get(self, request):
+        data = {
+            "search": '',
+            "limit": 10,
+            "skip": 0,
+            "order": "time",
+            "fileList": [
+                {
+                    "name": "1.png",
+                    "created": "2020-04-30",
+                    "size": 10234,
+                    "isFolder": False,
+                    "deletedDate": "",
+                },
+                {
+                    "name": "2.png",
+                    "created": "2020-04-30",
+                    "size": 3145,
+                    "isFolder": False,
+                    "deletedDate": "",
+                },
+                {
+                    "name": "3.png",
+                    "created": "2020-05-01",
+                    "size": 5653,
+                    "isFolder": False,
+                    "deletedDate": "",
+                },
+            ]
+        }
+        return Response(data)
+    def post(self, request, format=None):
+        data = {
+            "isSuccess": True,
+            "File": {
+                "name": "test.jpg",
+                "created": "2020-05-02",
+                "deletedDate": "",
+                "size": 2312,
+                "isFolder": False
+            }
+        }
+        return Response(data)
+# class SnippetList(mixins.ListModelMixin,
+#                   mixins.CreateModelMixin,
+#                   generics.GenericAPIView):
+#     queryset = Snippet.objects.all()
+#     serializer_class = SnippetSerializer
+
+#     def get(self, request, *args, **kwargs):
+#         return self.list(request, *args, **kwargs)
+
+#     def post(self, request, *args, **kwargs):
+#         return self.create(request, *args, **kwargs)
+
+
+# class SnippetDetail(mixins.RetrieveModelMixin,
+#                     mixins.UpdateModelMixin,
+#                     mixins.DestroyModelMixin,
+#                     generics.GenericAPIView):
+#     queryset = Snippet.objects.all()
+#     serializer_class = SnippetSerializer
+
+#     def get(self, request, *args, **kwargs):
+#         return self.retrieve(request, *args, **kwargs)
+
+#     def put(self, request, *args, **kwargs):
+#         return self.update(request, *args, **kwargs)
+
+#     def delete(self, request, *args, **kwargs):
+#         return self.destroy(request, *args, **kwargs)

+from django.http import HttpResponse, JsonResponse
+from django.views.decorators.csrf import csrf_exempt
+from rest_framework.parsers import JSONParser
+from snippets.models import Snippet
+from snippets.serializers import SnippetSerializer
+
+
+@csrf_exempt
+def snippet_list(request):
+    """
+    List all code snippets, or create a new snippet.
+    """
+    if request.method == 'GET':
+        snippets = Snippet.objects.all()
+        serializer = SnippetSerializer(snippets, many=True)
+        return JsonResponse(serializer.data, safe=False)
+
+    elif request.method == 'POST':
+        data = JSONParser().parse(request)
+        serializer = SnippetSerializer(data=data)
+        if serializer.is_valid():
+            serializer.save()
+            return JsonResponse(serializer.data, status=201)
+        return JsonResponse(serializer.errors, status=400)
+
+
+@csrf_exempt
+def snippet_detail(request, pk):
+    """
+    Retrieve, update or delete a code snippet.
+    """
+    try:
+        snippet = Snippet.objects.get(pk=pk)
+    except Snippet.DoesNotExist:
+        return HttpResponse(status=404)
+
+    if request.method == 'GET':
+        serializer = SnippetSerializer(snippet)
+        return JsonResponse(serializer.data)
+
+    elif request.method == 'PUT':
+        data = JSONParser().parse(request)
+        serializer = SnippetSerializer(snippet, data=data)
+        if serializer.is_valid():
+            serializer.save()
+            return JsonResponse(serializer.data)
+        return JsonResponse(serializer.errors, status=400)
+
+    elif request.method == 'DELETE':
+        snippet.delete()
+        return HttpResponse(status=204)

+from rest_framework import status
+from rest_framework.decorators import api_view
+from rest_framework.response import Response
+from snippets.models import Snippet
+from snippets.serializers import SnippetSerializer
+
+
+@api_view(['GET', 'POST'])
+def snippet_list(request):
+    """
+    List all code snippets, or create a new snippet.
+    """
+    if request.method == 'GET':
+        snippets = Snippet.objects.all()
+        serializer = SnippetSerializer(snippets, many=True)
+        return Response(serializer.data)
+
+    elif request.method == 'POST':
+        serializer = SnippetSerializer(data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+
+@api_view(['GET', 'PUT', 'DELETE'])
+def snippet_detail(request, pk):
+    """
+    Retrieve, update or delete a code snippet.
+    """
+    try:
+        snippet = Snippet.objects.get(pk=pk)
+    except Snippet.DoesNotExist:
+        return Response(status=status.HTTP_404_NOT_FOUND)
+
+    if request.method == 'GET':
+        serializer = SnippetSerializer(snippet)
+        return Response(serializer.data)
+
+    elif request.method == 'PUT':
+        serializer = SnippetSerializer(snippet, data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+    elif request.method == 'DELETE':
+        snippet.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

+from snippets.models import Snippet
+from snippets.serializers import SnippetSerializer
+from django.http import Http404
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+
+
+class SnippetList(APIView):
+    """
+    List all snippets, or create a new snippet.
+    """
+
+    def get(self, request, format=None):
+        snippets = Snippet.objects.all()
+        serializer = SnippetSerializer(snippets, many=True)
+        return Response(serializer.data)
+
+    def post(self, request, format=None):
+        serializer = SnippetSerializer(data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data, status=status.HTTP_201_CREATED)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+
+class SnippetDetail(APIView):
+    """
+    Retrieve, update or delete a snippet instance.
+    """
+
+    def get_object(self, pk):
+        try:
+            return Snippet.objects.get(pk=pk)
+        except Snippet.DoesNotExist:
+            raise Http404
+
+    def get(self, request, pk, format=None):
+        snippet = self.get_object(pk)
+        serializer = SnippetSerializer(snippet)
+        return Response(serializer.data)
+
+    def put(self, request, pk, format=None):
+        snippet = self.get_object(pk)
+        serializer = SnippetSerializer(snippet, data=request.data)
+        if serializer.is_valid():
+            serializer.save()
+            return Response(serializer.data)
+        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+    def delete(self, request, pk, format=None):
+        snippet = self.get_object(pk)
+        snippet.delete()
+        return Response(status=status.HTTP_204_NO_CONTENT)

+"""
+ASGI config for tutorial project.
+
+It exposes the ASGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.0/howto/deployment/asgi/
+"""
+
+import os
+
+from django.core.asgi import get_asgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tutorial.settings')
+
+application = get_asgi_application()

+"""
+Django settings for tutorial project.
+
+Generated by 'django-admin startproject' using Django 3.0.5.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.0/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/3.0/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = 'vqsbba_j(l_he_x6-++=(*g_@zq#tka6rb_43rt$re*n5iic)j'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+REST_FRAMEWORK = {
+    'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
+    'PAGE_SIZE': 10
+}
+
+INSTALLED_APPS = [
+    'django.contrib.admin',
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.messages',
+    'django.contrib.staticfiles',
+    'rest_framework',
+    'quickstart',
+    'snippets.apps.SnippetsConfig',
+]
+
+MIDDLEWARE = [
+    'django.middleware.security.SecurityMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'tutorial.urls'
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'DIRS': [],
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': [
+                'django.template.context_processors.debug',
+                'django.template.context_processors.request',
+                'django.contrib.auth.context_processors.auth',
+                'django.contrib.messages.context_processors.messages',
+            ],
+        },
+    },
+]
+
+WSGI_APPLICATION = 'tutorial.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/3.0/ref/settings/#databases
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+    }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+    {
+        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+    },
+    {
+        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+    },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/3.0/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/3.0/howto/static-files/
+
+STATIC_URL = '/static/'

+"""tutorial URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+    https://docs.djangoproject.com/en/3.0/topics/http/urls/
+Examples:
+Function views
+    1. Add an import:  from my_app import views
+    2. Add a URL to urlpatterns:  path('', views.home, name='home')
+Class-based views
+    1. Add an import:  from other_app.views import Home
+    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
+Including another URLconf
+    1. Import the include() function: from django.urls import include, path
+    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
+"""
+from django.urls import include, path
+from django.conf.urls import include
+from rest_framework import routers
+from quickstart import views
+
+router = routers.DefaultRouter()
+router.register(r'users', views.UserViewSet)
+router.register(r'groups', views.GroupViewSet)
+
+# Wire up our API using automatic URL routing.
+# Additionally, we include login URLs for the browsable API.
+urlpatterns = [
+    path('', include(router.urls)),
+    path('api-auth/', include('rest_framework.urls')),
+    path('', include('snippets.urls')),
+]

+"""
+WSGI config for tutorial project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/3.0/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tutorial.settings')
+
+application = get_wsgi_application()