.gitignore

+# from https://github.com/github/gitignore/blob/main/Python.gitignore
+# created by virtualenv automatically
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+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
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .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
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser
+
+### Add your own below !
+
+.vimhistory
\ No newline at end of file

mobility/__init__.py

+import os
+from flask import Flask
+
+def create_app(test_config=None):
+    # create and configure the app
+    app = Flask(__name__, instance_relative_config=True)
+    app.config.from_mapping(
+        SECRET_KEY='dev',
+        DATABASE=os.path.join(app.instance_path, 'db.sqlite'),
+    )
+
+    from . import user
+    app.register_blueprint(user.bp)
+    app.add_url_rule('/', endpoint='index')
+
+    if test_config is None:
+        # load the instance config, if it exists, when not testing
+        app.config.from_pyfile('config.py', silent=True)
+    else:
+        # load the test config if passed in
+        app.config.from_mapping(test_config)
+
+    # ensure the instance folder exists
+    try:
+        os.makedirs(app.instance_path)
+    except OSError:
+        pass
+
+    # a simple page that says hello
+    @app.route('/hello')
+    def hello():
+        return 'Hello, World!'
+
+    from . import db
+    db.init_app(app)
+    
+    with app.app_context():
+        db.init_db()
+
+    return app

mobility/db.py

+import sqlite3
+import click
+from flask import current_app, g
+from flask.cli import with_appcontext
+
+def get_db():
+    if 'db' not in g:
+        g.db = sqlite3.connect(
+            current_app.config['DATABASE'],
+            detect_types=sqlite3.PARSE_DECLTYPES
+        )
+    g.db.row_factory = sqlite3.Row
+    return g.db
+
+def close_db(e=None):
+    db = g.pop('db', None)
+
+    if db is not None:
+        db.close()
+
+def init_db():
+    db = get_db()
+    with current_app.open_resource('schema.sql') as f:
+        db.executescript(f.read().decode('utf8'))
+
+def init_app(app):
+    app.teardown_appcontext(close_db)

mobility/models/user.py

+from mobility.db import get_db
+
+
+### Data methods are methods that do not return User objects. They return plain data from the database.
+
+def get_user_list():
+    db = get_db()
+    return db.execute('SELECT * FROM users ORDER BY username')
+
+def search_by_email(email:str):
+    db = get_db()
+    return db.execute('SELECT * FROM users WHERE email=?', (email,)).fetchall()
+
+
+### The User class handles a single user. It has functions to interact with the database.
+
+class User:
+
+    def __init__(self, username, email, id=None):
+        self.id = id
+        self.username = username
+        self.email = email
+    
+    def delete(self):
+        db = get_db()
+        db.execute("DELETE FROM users WHERE id=?", (self.id,))
+        db.commit()
+
+    def save(self):
+        db = get_db()
+        if self.id is None:
+            db.execute("INSERT INTO users(username, email) VALUES(?, ?)" , (self.username, self.email))
+        else:
+            db.execute("UPDATE users(username, email) SET username=?, email=? WHERE id=?" , (self.username, self.email, self.id))
+        db.commit()
+
+    ### Static methods do not act on a specific user, they themselves return users
+
+    @staticmethod
+    def get(id:int):
+        db = get_db()
+        data = db.execute('SELECT * FROM users WHERE id=?', (id,)).fetchone()
+        
+        if data is None:
+            return None
+        else:
+            return User(data["username"], data["email"], data["id"])

mobility/schema.sql

+CREATE TABLE IF NOT EXISTS users (
+        id INTEGER PRIMARY KEY,
+        username TEXT,
+        email TEXT UNIQUE
+);

mobility/templates/base.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>My App</title>
+</head>
+<body>
+    <div>
+        <h1>Mobility</h1>
+    </div>
+    <h2>User list</h2>
+    <table>
+        <tr>
+            <td>Id</td>
+            <th>Username</th>
+            <th>Email</th>
+            <th></th>
+        </tr>
+    {% for user in users %}
+        <tr>
+            <td>{{ user.id }}</td>
+            <td>{{ user.username }}</td>
+            <td>{{ user.email }}</td>
+            <td><a href="{{ url_for("user.user_delete", id=user.id) }}">Delete</a></td>
+        </tr>
+    {% endfor %}
+    </table>
+
+    <h2>New user</h2>
+    <form method="post" action="{{ url_for("user.user_create") }}">
+        <div>
+            <label for="username">Username: </label>
+            <input name="username" id="username" type="text" />
+        </div>
+        <div>
+            <label for="email">Email : </label>
+            <input name="email" id="email" type="text" />
+        </div>
+        <div>
+            <button type="submit">Create user</button>
+        </div>
+    </form>
+</body>
+</html>

mobility/user.py

+from flask import (
+      Blueprint, flash, g, redirect, render_template, request, url_for
+)
+from werkzeug.exceptions import abort
+
+from mobility.models.user import User
+from mobility.models.user import get_user_list,search_by_email
+
+bp = Blueprint('user', __name__)
+
+# Define the routes code
+@bp.route('/')
+def user_list():
+    users = get_user_list()
+    return render_template("base.html", users=users)
+
+@bp.route("/create", methods=["POST"])
+def user_create():
+    if not len(search_by_email(request.form["email"])):
+        u = User(request.form["username"], request.form["email"])
+        u.save()
+    return redirect(url_for("user.user_list"))
+
+@bp.route("/delete/<int:id>")
+def user_delete(id):
+    user = User.get(id)
+    user.delete()
+    return redirect(url_for("user.user_list"))
\ No newline at end of file

mobility/wsgi.py

+from __future__ import absolute_import
+from mobility import create_app
+
+application = create_app()

my-project @ 40f67208

+Subproject commit 40f672084ac71c455a37ce91d20061494993f60d

requirements.txt

+flask
+flask-sqlalchemy
+PyMySQL
+gunicorn

venv/Lib/site-packages/_distutils_hack/__init__.py

-# don't import any costly modules
-import sys
-import os
-
-
-is_pypy = '__pypy__' in sys.builtin_module_names
-
-
-def warn_distutils_present():
-    if 'distutils' not in sys.modules:
-        return
-    if is_pypy and sys.version_info < (3, 7):
-        # PyPy for 3.6 unconditionally imports distutils, so bypass the warning
-        # https://foss.heptapod.net/pypy/pypy/-/blob/be829135bc0d758997b3566062999ee8b23872b4/lib-python/3/site.py#L250
-        return
-    import warnings
-
-    warnings.warn(
-        "Distutils was imported before Setuptools, but importing Setuptools "
-        "also replaces the `distutils` module in `sys.modules`. This may lead "
-        "to undesirable behaviors or errors. To avoid these issues, avoid "
-        "using distutils directly, ensure that setuptools is installed in the "
-        "traditional way (e.g. not an editable install), and/or make sure "
-        "that setuptools is always imported before distutils."
-    )
-
-
-def clear_distutils():
-    if 'distutils' not in sys.modules:
-        return
-    import warnings
-
-    warnings.warn("Setuptools is replacing distutils.")
-    mods = [
-        name
-        for name in sys.modules
-        if name == "distutils" or name.startswith("distutils.")
-    ]
-    for name in mods:
-        del sys.modules[name]
-
-
-def enabled():
-    """
-    Allow selection of distutils by environment variable.
-    """
-    which = os.environ.get('SETUPTOOLS_USE_DISTUTILS', 'local')
-    return which == 'local'
-
-
-def ensure_local_distutils():
-    import importlib
-
-    clear_distutils()
-
-    # With the DistutilsMetaFinder in place,
-    # perform an import to cause distutils to be
-    # loaded from setuptools._distutils. Ref #2906.
-    with shim():
-        importlib.import_module('distutils')
-
-    # check that submodules load as expected
-    core = importlib.import_module('distutils.core')
-    assert '_distutils' in core.__file__, core.__file__
-    assert 'setuptools._distutils.log' not in sys.modules
-
-
-def do_override():
-    """
-    Ensure that the local copy of distutils is preferred over stdlib.
-
-    See https://github.com/pypa/setuptools/issues/417#issuecomment-392298401
-    for more motivation.
-    """
-    if enabled():
-        warn_distutils_present()
-        ensure_local_distutils()
-
-
-class _TrivialRe:
-    def __init__(self, *patterns):
-        self._patterns = patterns
-
-    def match(self, string):
-        return all(pat in string for pat in self._patterns)
-
-
-class DistutilsMetaFinder:
-    def find_spec(self, fullname, path, target=None):
-        # optimization: only consider top level modules and those
-        # found in the CPython test suite.
-        if path is not None and not fullname.startswith('test.'):
-            return
-
-        method_name = 'spec_for_{fullname}'.format(**locals())
-        method = getattr(self, method_name, lambda: None)
-        return method()
-
-    def spec_for_distutils(self):
-        if self.is_cpython():
-            return
-
-        import importlib
-        import importlib.abc
-        import importlib.util
-
-        try:
-            mod = importlib.import_module('setuptools._distutils')
-        except Exception:
-            # There are a couple of cases where setuptools._distutils
-            # may not be present:
-            # - An older Setuptools without a local distutils is
-            #   taking precedence. Ref #2957.
-            # - Path manipulation during sitecustomize removes
-            #   setuptools from the path but only after the hook
-            #   has been loaded. Ref #2980.
-            # In either case, fall back to stdlib behavior.
-            return
-
-        class DistutilsLoader(importlib.abc.Loader):
-            def create_module(self, spec):
-                mod.__name__ = 'distutils'
-                return mod
-
-            def exec_module(self, module):
-                pass
-
-        return importlib.util.spec_from_loader(
-            'distutils', DistutilsLoader(), origin=mod.__file__
-        )
-
-    @staticmethod
-    def is_cpython():
-        """
-        Suppress supplying distutils for CPython (build and tests).
-        Ref #2965 and #3007.
-        """
-        return os.path.isfile('pybuilddir.txt')
-
-    def spec_for_pip(self):
-        """
-        Ensure stdlib distutils when running under pip.
-        See pypa/pip#8761 for rationale.
-        """
-        if self.pip_imported_during_build():
-            return
-        clear_distutils()
-        self.spec_for_distutils = lambda: None
-
-    @classmethod
-    def pip_imported_during_build(cls):
-        """
-        Detect if pip is being imported in a build script. Ref #2355.
-        """
-        import traceback
-
-        return any(
-            cls.frame_file_is_setup(frame) for frame, line in traceback.walk_stack(None)
-        )
-
-    @staticmethod
-    def frame_file_is_setup(frame):
-        """
-        Return True if the indicated frame suggests a setup.py file.
-        """
-        # some frames may not have __file__ (#2940)
-        return frame.f_globals.get('__file__', '').endswith('setup.py')
-
-    def spec_for_sensitive_tests(self):
-        """
-        Ensure stdlib distutils when running select tests under CPython.
-
-        python/cpython#91169
-        """
-        clear_distutils()
-        self.spec_for_distutils = lambda: None
-
-    sensitive_tests = (
-        [
-            'test.test_distutils',
-            'test.test_peg_generator',
-            'test.test_importlib',
-        ]
-        if sys.version_info < (3, 10)
-        else [
-            'test.test_distutils',
-        ]
-    )
-
-
-for name in DistutilsMetaFinder.sensitive_tests:
-    setattr(
-        DistutilsMetaFinder,
-        f'spec_for_{name}',
-        DistutilsMetaFinder.spec_for_sensitive_tests,
-    )
-
-
-DISTUTILS_FINDER = DistutilsMetaFinder()
-
-
-def add_shim():
-    DISTUTILS_FINDER in sys.meta_path or insert_shim()
-
-
-class shim:
-    def __enter__(self):
-        insert_shim()
-
-    def __exit__(self, exc, value, tb):
-        remove_shim()
-
-
-def insert_shim():
-    sys.meta_path.insert(0, DISTUTILS_FINDER)
-
-
-def remove_shim():
-    try:
-        sys.meta_path.remove(DISTUTILS_FINDER)
-    except ValueError:
-        pass

venv/Lib/site-packages/_distutils_hack/override.py

-__import__('_distutils_hack').do_override()

venv/Lib/site-packages/distutils-precedence.pth

-import os; var = 'SETUPTOOLS_USE_DISTUTILS'; enabled = os.environ.get(var, 'local') == 'local'; enabled and __import__('_distutils_hack').add_shim(); 

venv/Lib/site-packages/pip-22.2.2.dist-info/INSTALLER

-pip

venv/Lib/site-packages/pip-22.2.2.dist-info/LICENSE.txt

-Copyright (c) 2008-present The pip developers (see AUTHORS.txt file)
-
-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.

venv/Lib/site-packages/pip-22.2.2.dist-info/METADATA

-Metadata-Version: 2.1
-Name: pip
-Version: 22.2.2
-Summary: The PyPA recommended tool for installing Python packages.
-Home-page: https://pip.pypa.io/
-Author: The pip developers
-Author-email: distutils-sig@python.org
-License: MIT
-Project-URL: Documentation, https://pip.pypa.io
-Project-URL: Source, https://github.com/pypa/pip
-Project-URL: Changelog, https://pip.pypa.io/en/stable/news/
-Classifier: Development Status :: 5 - Production/Stable
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Topic :: Software Development :: Build Tools
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3 :: Only
-Classifier: Programming Language :: Python :: 3.7
-Classifier: Programming Language :: Python :: 3.8
-Classifier: Programming Language :: Python :: 3.9
-Classifier: Programming Language :: Python :: 3.10
-Classifier: Programming Language :: Python :: 3.11
-Classifier: Programming Language :: Python :: Implementation :: CPython
-Classifier: Programming Language :: Python :: Implementation :: PyPy
-Requires-Python: >=3.7
-License-File: LICENSE.txt
-
-pip - The Python Package Installer
-==================================
-
-.. image:: https://img.shields.io/pypi/v/pip.svg
-   :target: https://pypi.org/project/pip/
-
-.. image:: https://readthedocs.org/projects/pip/badge/?version=latest
-   :target: https://pip.pypa.io/en/latest
-
-pip is the `package installer`_ for Python. You can use pip to install packages from the `Python Package Index`_ and other indexes.
-
-Please take a look at our documentation for how to install and use pip:
-
-* `Installation`_
-* `Usage`_
-
-We release updates regularly, with a new version every 3 months. Find more details in our documentation:
-
-* `Release notes`_
-* `Release process`_
-
-In pip 20.3, we've `made a big improvement to the heart of pip`_; `learn more`_. We want your input, so `sign up for our user experience research studies`_ to help us do it right.
-
-**Note**: pip 21.0, in January 2021, removed Python 2 support, per pip's `Python 2 support policy`_. Please migrate to Python 3.
-
-If you find bugs, need help, or want to talk to the developers, please use our mailing lists or chat rooms:
-
-* `Issue tracking`_
-* `Discourse channel`_
-* `User IRC`_
-
-If you want to get involved head over to GitHub to get the source code, look at our development documentation and feel free to jump on the developer mailing lists and chat rooms:
-
-* `GitHub page`_
-* `Development documentation`_
-* `Development mailing list`_
-* `Development IRC`_
-
-Code of Conduct
----------------
-
-Everyone interacting in the pip project's codebases, issue trackers, chat
-rooms, and mailing lists is expected to follow the `PSF Code of Conduct`_.
-
-.. _package installer: https://packaging.python.org/guides/tool-recommendations/
-.. _Python Package Index: https://pypi.org
-.. _Installation: https://pip.pypa.io/en/stable/installation/
-.. _Usage: https://pip.pypa.io/en/stable/
-.. _Release notes: https://pip.pypa.io/en/stable/news.html
-.. _Release process: https://pip.pypa.io/en/latest/development/release-process/
-.. _GitHub page: https://github.com/pypa/pip
-.. _Development documentation: https://pip.pypa.io/en/latest/development
-.. _made a big improvement to the heart of pip: https://pyfound.blogspot.com/2020/11/pip-20-3-new-resolver.html
-.. _learn more: https://pip.pypa.io/en/latest/user_guide/#changes-to-the-pip-dependency-resolver-in-20-3-2020
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