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klein panic
2024-10-01 20:14:14 -04:00
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commit da9156aaa3
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venv/lib/python3.11/site-packages/werkzeug/testapp.py Normal file
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"""A small application that can be used to test a WSGI server and check
it for WSGI compliance.
"""
from __future__ import annotations
import importlib.metadata
import os
import sys
import typing as t
from textwrap import wrap
from markupsafe import escape
from .wrappers.request import Request
from .wrappers.response import Response
TEMPLATE = """\
<!doctype html>
<html lang=en>
<title>WSGI Information</title>
<style type="text/css">
@import url(https://fonts.googleapis.com/css?family=Ubuntu);
body { font-family: 'Lucida Grande', 'Lucida Sans Unicode', 'Geneva',
'Verdana', sans-serif; background-color: white; color: #000;
font-size: 15px; text-align: center; }
div.box { text-align: left; width: 45em; margin: auto; padding: 50px 0;
background-color: white; }
h1, h2 { font-family: 'Ubuntu', 'Lucida Grande', 'Lucida Sans Unicode',
'Geneva', 'Verdana', sans-serif; font-weight: normal; }
h1 { margin: 0 0 30px 0; }
h2 { font-size: 1.4em; margin: 1em 0 0.5em 0; }
table { width: 100%%; border-collapse: collapse; border: 1px solid #AFC5C9 }
table th { background-color: #AFC1C4; color: white; font-size: 0.72em;
font-weight: normal; width: 18em; vertical-align: top;
padding: 0.5em 0 0.1em 0.5em; }
table td { border: 1px solid #AFC5C9; padding: 0.1em 0 0.1em 0.5em; }
code { font-family: 'Consolas', 'Monaco', 'Bitstream Vera Sans Mono',
monospace; font-size: 0.7em; }
ul li { line-height: 1.5em; }
ul.path { font-size: 0.7em; margin: 0 -30px; padding: 8px 30px;
list-style: none; background: #E8EFF0; }
ul.path li { line-height: 1.6em; }
li.virtual { color: #999; text-decoration: underline; }
li.exp { background: white; }
</style>
<div class="box">
<h1>WSGI Information</h1>
<p>
This page displays all available information about the WSGI server and
the underlying Python interpreter.
<h2 id="python-interpreter">Python Interpreter</h2>
<table>
<tr>
<th>Python Version
<td>%(python_version)s
<tr>
<th>Platform
<td>%(platform)s [%(os)s]
<tr>
<th>API Version
<td>%(api_version)s
<tr>
<th>Byteorder
<td>%(byteorder)s
<tr>
<th>Werkzeug Version
<td>%(werkzeug_version)s
</table>
<h2 id="wsgi-environment">WSGI Environment</h2>
<table>%(wsgi_env)s</table>
<h2 id="installed-eggs">Installed Eggs</h2>
<p>
The following python packages were installed on the system as
Python eggs:
<ul>%(python_eggs)s</ul>
<h2 id="sys-path">System Path</h2>
<p>
The following paths are the current contents of the load path. The
following entries are looked up for Python packages. Note that not
all items in this path are folders. Gray and underlined items are
entries pointing to invalid resources or used by custom import hooks
such as the zip importer.
<p>
Items with a bright background were expanded for display from a relative
path. If you encounter such paths in the output you might want to check
your setup as relative paths are usually problematic in multithreaded
environments.
<ul class="path">%(sys_path)s</ul>
</div>
"""
def iter_sys_path() -> t.Iterator[tuple[str, bool, bool]]:
if os.name == "posix":
def strip(x: str) -> str:
prefix = os.path.expanduser("~")
if x.startswith(prefix):
x = f"~{x[len(prefix) :]}"
return x
else:
def strip(x: str) -> str:
return x
cwd = os.path.abspath(os.getcwd())
for item in sys.path:
path = os.path.join(cwd, item or os.path.curdir)
yield strip(os.path.normpath(path)), not os.path.isdir(path), path != item
@Request.application
def test_app(req: Request) -> Response:
"""Simple test application that dumps the environment. You can use
it to check if Werkzeug is working properly:
.. sourcecode:: pycon
>>> from werkzeug.serving import run_simple
>>> from werkzeug.testapp import test_app
>>> run_simple('localhost', 3000, test_app)
* Running on http://localhost:3000/
The application displays important information from the WSGI environment,
the Python interpreter and the installed libraries.
"""
try:
import pkg_resources
except ImportError:
eggs: t.Iterable[t.Any] = ()
else:
eggs = sorted(
pkg_resources.working_set,
key=lambda x: x.project_name.lower(),
)
python_eggs = []
for egg in eggs:
try:
version = egg.version
except (ValueError, AttributeError):
version = "unknown"
python_eggs.append(
f"<li>{escape(egg.project_name)} <small>[{escape(version)}]</small>"
)
wsgi_env = []
sorted_environ = sorted(req.environ.items(), key=lambda x: repr(x[0]).lower())
for key, value in sorted_environ:
value = "".join(wrap(str(escape(repr(value)))))
wsgi_env.append(f"<tr><th>{escape(key)}<td><code>{value}</code>")
sys_path = []
for item, virtual, expanded in iter_sys_path():
css = []
if virtual:
css.append("virtual")
if expanded:
css.append("exp")
class_str = f' class="{" ".join(css)}"' if css else ""
sys_path.append(f"<li{class_str}>{escape(item)}")
context = {
"python_version": "<br>".join(escape(sys.version).splitlines()),
"platform": escape(sys.platform),
"os": escape(os.name),
"api_version": sys.api_version,
"byteorder": sys.byteorder,
"werkzeug_version": _get_werkzeug_version(),
"python_eggs": "\n".join(python_eggs),
"wsgi_env": "\n".join(wsgi_env),
"sys_path": "\n".join(sys_path),
}
return Response(TEMPLATE % context, mimetype="text/html")
_werkzeug_version = ""
def _get_werkzeug_version() -> str:
global _werkzeug_version
if not _werkzeug_version:
_werkzeug_version = importlib.metadata.version("werkzeug")
return _werkzeug_version
if __name__ == "__main__":
from .serving import run_simple
run_simple("localhost", 5000, test_app, use_reloader=True)