testapp.py · source-code-analysis/werkzeug

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werkzeug

testapp.py

testapp.py 9.11 KB

# -*- 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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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)

一键复制编辑原始数据按行查看历史

Heisenberg 提交于 2021年03月27日 09:16 +08:00 . ✨feat(git init):

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241

# -*- 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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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)