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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: (c) 2014 by the Werkzeug Team, see AUTHORS for more details.
- :license: BSD, see LICENSE for more details.
- """
- import os
- import sys
- import werkzeug
- from textwrap import wrap
- from werkzeug.wrappers import BaseRequest as Request, BaseResponse as Response
- from werkzeug.utils import escape
- import base64
-
- logo = Response(base64.b64decode('''
- R0lGODlhoACgAOMIAAEDACwpAEpCAGdgAJaKAM28AOnVAP3rAP/////////
- //////////////////////yH5BAEKAAgALAAAAACgAKAAAAT+EMlJq704680R+F0ojmRpnuj0rWnrv
- nB8rbRs33gu0bzu/0AObxgsGn3D5HHJbCUFyqZ0ukkSDlAidctNFg7gbI9LZlrBaHGtzAae0eloe25
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- w1ENhRBnWV8ctEX4Ul2zc3aVGcQNC2KElyTDYyYUWvShdjDyMOGMuFjqnII45aogPhz/CodUHFwaDx
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- Jwxd+uSVGHlqOZpOeJpCFZ5J+rkAkFjQ0N1tah7JJSZUFNsrkeJUJMIBi8jyaEKIhKPomnC91Uo+NB
- yyaJ5umnnpInIFh4t6ZSpGaAVmizqjpByDegYl8tPE0phCYrhcMWSv+uAqHfgH88ak5UXZmlKLVJhd
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- YQqodnUYjByQZhZak9Wu4gYQsMyEpIOAOQKze8CmEF45KuAHTvIDOfHJNipwoHMuGHBnJElUoDmAyX
- c2Qm/R8Ah/iILCCJOEokGowdhDYc/yoL+vpRGwyVSCWFYZNljkhEirGXsalWcAgOdeAdoXcktF2udb
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- KiDlFdt6jnCSqx7Dmt6XnqSKaFFHNO5+FmODxMCWBEaco77lNDGXBM0ECYB/+s7nKFdwSF5hgXumQe
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- 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(http://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:
- strip = lambda x: 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_ and ' class="%s"' % ' '.join(class_) or '',
- 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 werkzeug.serving import run_simple
- run_simple('localhost', 5000, test_app, use_reloader=True)
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