simple implementation of web framework

gardiys · gardiys · commit c217e7bac59d · 2020-07-23T02:12:54.000+03:00
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,129 @@
+# 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/
+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
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# 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
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# 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
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__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/
diff --git a/app.py b/app.py
@@ -0,0 +1,16 @@
+from wsgi import WebFramework
+
+def application(environ, start_response):
+    app = WebFramework()
+
+    @app.route("/")
+    def main_page(request, response):
+        with open(r"views/index.html", "r") as f:
+            response.text = f.read()
+
+    @app.route("/info")
+    def info_page(request, response):
+        with open(r"views/info.html", "r") as f:
+             response.text = f.read()
+
+    return app(environ, start_response)
diff --git a/views/index.html b/views/index.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8">
+    </head>
+    <body>
+        <h1>Главная страница</h1>
+        <a href="/info">Информация о сайте</a>
+    </body>
+</html>
diff --git a/views/info.html b/views/info.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <meta charset="utf-8">
+    </head>
+    <body>
+        <h1>Информация о сайте</h1>
+        <a href="/">Главная страница</a>
+    </body>
+</html>
diff --git a/wsgi-server.ini b/wsgi-server.ini
@@ -0,0 +1,4 @@
+[uwsgi]
+module = wsgi:application
+master = true
+processes = 5
diff --git a/wsgi.py b/wsgi.py
@@ -0,0 +1,34 @@
+from webob import Request, Response
+
+class WebFramework:
+
+    def __init__(self):
+        self.routes = {}
+    
+    def route(self, path):
+        def wrapper(handler):
+            self.routes[path] = handler
+            return handler
+        
+        return wrapper
+
+    def __call__(self, environ, start_response):
+        request = Request(environ)
+
+        response = self.handle(request)
+        
+        return response(environ, start_response)
+    
+    def client_error_response(self, response):
+        response.status_code = 404
+        response.text = "Not found."
+
+    def handle(self, request):
+        response = Response()
+        handler = self.routes.get(request.path)
+        if handler:
+            handler(request, response)
+            return response
+        
+        self.client_error_response(response)
+        return response
