Shan
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CoffeeProject
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							# -*- coding: utf-8 -*-
"""
    werkzeug.testapp
    ~~~~~~~~~~~~~~~~

    Provide a small test application that can be used to test a WSGI server
    and check it for WSGI compliance.

    :copyright: 2007 Pallets
    :license: BSD-3-Clause
"""
import base64
import os
import sys
from textwrap import wrap

from . import __version__ as _werkzeug_version
from .utils import escape
from .wrappers import BaseRequest as Request
from .wrappers import BaseResponse as Response

logo = Response(
    base64.b64decode(
        """
R0lGODlhoACgAOMIAAEDACwpAEpCAGdgAJaKAM28AOnVAP3rAP/////////
//////////////////////yH5BAEKAAgALAAAAACgAKAAAAT+EMlJq704680R+F0ojmRpnuj0rWnrv
nB8rbRs33gu0bzu/0AObxgsGn3D5HHJbCUFyqZ0ukkSDlAidctNFg7gbI9LZlrBaHGtzAae0eloe25
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ncEn65UsLGytLVmQ6m4sQazpbtLqL/HwpnER8bHyLrLOc3Oz8PRONPU1crXN9na263dMt/g4SzjMeX
m5yDpLqgG7OzJ4u8lT/P69ej3JPn69kHzN2OIAHkB9RUYSFCFQYQJFTIkCDBiwoXWGnowaLEjRm7+G
p9A7Hhx4rUkAUaSLJlxHMqVMD/aSycSZkyTplCqtGnRAM5NQ1Ly5OmzZc6gO4d6DGAUKA+hSocWYAo
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ADIGDhhqTZIWaDcrVX8EsbNzbkvCOxG8bN5w8ly9H8jyTJHC6DFndQydbguh2e/ctZJFXRxMAqqPVA
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dj78s1Fxnzo6yUCrV6rrDOkluG+QzCAUTbCwf9SrmMLzK6p+OPHx7DF+bsfMRq7Ec61Av9i6GLw23r
idnZ+/OO0a99pbIrJkproCQMA17OPG6suq3cca5ruDfXCCDoS7BEdvmJn5otdqscn+uogRHHXs8cbh
EIfYaDY1AkrC0cqwcZpnM6ludx72x0p7Fo/hZAcpJDjax0UdHavMKAbiKltMWCF3xxh9k25N/Viud8
ba78iCvUkt+V6BpwMlErmcgc502x+u1nSxJSJP9Mi52awD1V4yB/QHONsnU3L+A/zR4VL/indx/y64
gqcj+qgTeweM86f0Qy1QVbvmWH1D9h+alqg254QD8HJXHvjQaGOqEqC22M54PcftZVKVSQG9jhkv7C
JyTyDoAJfPdu8v7DRZAxsP/ky9MJ3OL36DJfCFPASC3/aXlfLOOON9vGZZHydGf8LnxYJuuVIbl83y
Az5n/RPz07E+9+zw2A2ahz4HxHo9Kt79HTMx1Q7ma7zAzHgHqYH0SoZWyTuOLMiHwSfZDAQTn0ajk9
YQqodnUYjByQZhZak9Wu4gYQsMyEpIOAOQKze8CmEF45KuAHTvIDOfHJNipwoHMuGHBnJElUoDmAyX
c2Qm/R8Ah/iILCCJOEokGowdhDYc/yoL+vpRGwyVSCWFYZNljkhEirGXsalWcAgOdeAdoXcktF2udb
qbUhjWyMQxYO01o6KYKOr6iK3fE4MaS+DsvBsGOBaMb0Y6IxADaJhFICaOLmiWTlDAnY1KzDG4ambL
cWBA8mUzjJsN2KjSaSXGqMCVXYpYkj33mcIApyhQf6YqgeNAmNvuC0t4CsDbSshZJkCS1eNisKqlyG
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KiDlFdt6jnCSqx7Dmt6XnqSKaFFHNO5+FmODxMCWBEaco77lNDGXBM0ECYB/+s7nKFdwSF5hgXumQe
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UpyGlhjBUljyjHhWpf8OFaXwhp9O4T1gU9UeyPPa8A2l0p1kNqPXEVRm1AOs1oAGZU596t6SOR2mcB
Oco1srWtkaVrMUzIErrKri85keKqRQYX9VX0/eAUK1hrSu6HMEX3Qh2sCh0q0D2CtnUqS4hj62sE/z
aDs2Sg7MBS6xnQeooc2R2tC9YrKpEi9pLXfYXp20tDCpSP8rKlrD4axprb9u1Df5hSbz9QU0cRpfgn
kiIzwKucd0wsEHlLpe5yHXuc6FrNelOl7pY2+11kTWx7VpRu97dXA3DO1vbkhcb4zyvERYajQgAADs
="""
    ),
    mimetype="image/png",
)


TEMPLATE = u"""\
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
  "http://www.w3.org/TR/html4/loose.dtd">
<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; }
  #logo      { float: right; padding: 0 0 10px 10px; }
  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">
  <img src="?resource=logo" id="logo" alt="[The Werkzeug Logo]" />
  <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():
    if os.name == "posix":

        def strip(x):
            prefix = os.path.expanduser("~")
            if x.startswith(prefix):
                x = "~" + x[len(prefix) :]
            return x

    else:

        def strip(x):
            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


def render_testapp(req):
    try:
        import pkg_resources
    except ImportError:
        eggs = ()
    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(
            "<li>%s <small>[%s]</small>" % (escape(egg.project_name), escape(version))
        )

    wsgi_env = []
    sorted_environ = sorted(req.environ.items(), key=lambda x: repr(x[0]).lower())
    for key, value in sorted_environ:
        wsgi_env.append(
            "<tr><th>%s<td><code>%s</code>"
            % (escape(str(key)), " ".join(wrap(escape(repr(value)))))
        )

    sys_path = []
    for item, virtual, expanded in iter_sys_path():
        class_ = []
        if virtual:
            class_.append("virtual")
        if expanded:
            class_.append("exp")
        sys_path.append(
            "<li%s>%s"
            % (' class="%s"' % " ".join(class_) if class_ else "", escape(item))
        )

    return (
        TEMPLATE
        % {
            "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": _werkzeug_version,
            "python_eggs": "\n".join(python_eggs),
            "wsgi_env": "\n".join(wsgi_env),
            "sys_path": "\n".join(sys_path),
        }
    ).encode("utf-8")


def test_app(environ, start_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.
    """
    req = Request(environ, populate_request=False)
    if req.args.get("resource") == "logo":
        response = logo
    else:
        response = Response(render_testapp(req), mimetype="text/html")
    return response(environ, start_response)


if __name__ == "__main__":
    from .serving import run_simple

    run_simple("localhost", 5000, test_app, use_reloader=True)