1
2<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
3<html><head><title>Python: module telemetry.internal.backends.chrome_inspector.devtools_http</title>
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7<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
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9<td valign=bottom>&nbsp;<br>
10<font color="#ffffff" face="helvetica, arial">&nbsp;<br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.internal.html"><font color="#ffffff">internal</font></a>.<a href="telemetry.internal.backends.html"><font color="#ffffff">backends</font></a>.<a href="telemetry.internal.backends.chrome_inspector.html"><font color="#ffffff">chrome_inspector</font></a>.devtools_http</strong></big></big></font></td
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12><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/internal/backends/chrome_inspector/devtools_http.py">telemetry/internal/backends/chrome_inspector/devtools_http.py</a></font></td></tr></table>
13    <p><tt>#&nbsp;Copyright&nbsp;2014&nbsp;The&nbsp;Chromium&nbsp;Authors.&nbsp;All&nbsp;rights&nbsp;reserved.<br>
14#&nbsp;Use&nbsp;of&nbsp;this&nbsp;source&nbsp;code&nbsp;is&nbsp;governed&nbsp;by&nbsp;a&nbsp;BSD-style&nbsp;license&nbsp;that&nbsp;can&nbsp;be<br>
15#&nbsp;found&nbsp;in&nbsp;the&nbsp;LICENSE&nbsp;file.</tt></p>
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20<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
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24<a href="telemetry.core.exceptions.html">telemetry.core.exceptions</a><br>
25</td><td width="25%" valign=top><a href="httplib.html">httplib</a><br>
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27</td><td width="25%" valign=top><a href="socket.html">socket</a><br>
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35<tr><td bgcolor="#ee77aa"><tt>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
36<td width="100%"><dl>
37<dt><font face="helvetica, arial"><a href="__builtin__.html#object">__builtin__.object</a>
38</font></dt><dd>
39<dl>
40<dt><font face="helvetica, arial"><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsHttp">DevToolsHttp</a>
41</font></dt></dl>
42</dd>
43<dt><font face="helvetica, arial"><a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)
44</font></dt><dd>
45<dl>
46<dt><font face="helvetica, arial"><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientConnectionError">DevToolsClientConnectionError</a>
47</font></dt><dd>
48<dl>
49<dt><font face="helvetica, arial"><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientUrlError">DevToolsClientUrlError</a>
50</font></dt></dl>
51</dd>
52</dl>
53</dd>
54</dl>
55 <p>
56<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
57<tr bgcolor="#ffc8d8">
58<td colspan=3 valign=bottom>&nbsp;<br>
59<font color="#000000" face="helvetica, arial"><a name="DevToolsClientConnectionError">class <strong>DevToolsClientConnectionError</strong></a>(<a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>)</font></td></tr>
60
61<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
62<td width="100%"><dl><dt>Method resolution order:</dt>
63<dd><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientConnectionError">DevToolsClientConnectionError</a></dd>
64<dd><a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a></dd>
65<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
66<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
67<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
68</dl>
69<hr>
70Methods inherited from <a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>:<br>
71<dl><dt><a name="DevToolsClientConnectionError-AddDebuggingMessage"><strong>AddDebuggingMessage</strong></a>(self, msg)</dt><dd><tt>Adds&nbsp;a&nbsp;message&nbsp;to&nbsp;the&nbsp;description&nbsp;of&nbsp;the&nbsp;exception.<br>
72&nbsp;<br>
73Many&nbsp;Telemetry&nbsp;exceptions&nbsp;arise&nbsp;from&nbsp;failures&nbsp;in&nbsp;another&nbsp;application.&nbsp;These<br>
74failures&nbsp;are&nbsp;difficult&nbsp;to&nbsp;pinpoint.&nbsp;This&nbsp;method&nbsp;allows&nbsp;Telemetry&nbsp;classes&nbsp;to<br>
75append&nbsp;useful&nbsp;debugging&nbsp;information&nbsp;to&nbsp;the&nbsp;exception.&nbsp;This&nbsp;method&nbsp;also&nbsp;logs<br>
76information&nbsp;about&nbsp;the&nbsp;location&nbsp;from&nbsp;where&nbsp;it&nbsp;was&nbsp;called.</tt></dd></dl>
77
78<dl><dt><a name="DevToolsClientConnectionError-__init__"><strong>__init__</strong></a>(self, msg<font color="#909090">=''</font>)</dt></dl>
79
80<dl><dt><a name="DevToolsClientConnectionError-__str__"><strong>__str__</strong></a>(self)</dt></dl>
81
82<hr>
83Data descriptors inherited from <a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>:<br>
84<dl><dt><strong>__weakref__</strong></dt>
85<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
86</dl>
87<hr>
88Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
89<dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object&gt;<dd><tt>T.<a href="#DevToolsClientConnectionError-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>
90
91<hr>
92Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
93<dl><dt><a name="DevToolsClientConnectionError-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__delattr__">__delattr__</a>('name')&nbsp;&lt;==&gt;&nbsp;del&nbsp;x.name</tt></dd></dl>
94
95<dl><dt><a name="DevToolsClientConnectionError-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__getattribute__">__getattribute__</a>('name')&nbsp;&lt;==&gt;&nbsp;x.name</tt></dd></dl>
96
97<dl><dt><a name="DevToolsClientConnectionError-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__getitem__">__getitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;x[y]</tt></dd></dl>
98
99<dl><dt><a name="DevToolsClientConnectionError-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__getslice__">__getslice__</a>(i,&nbsp;j)&nbsp;&lt;==&gt;&nbsp;x[i:j]<br>
100&nbsp;<br>
101Use&nbsp;of&nbsp;negative&nbsp;indices&nbsp;is&nbsp;not&nbsp;supported.</tt></dd></dl>
102
103<dl><dt><a name="DevToolsClientConnectionError-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>
104
105<dl><dt><a name="DevToolsClientConnectionError-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__repr__">__repr__</a>()&nbsp;&lt;==&gt;&nbsp;repr(x)</tt></dd></dl>
106
107<dl><dt><a name="DevToolsClientConnectionError-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientConnectionError-__setattr__">__setattr__</a>('name',&nbsp;value)&nbsp;&lt;==&gt;&nbsp;x.name&nbsp;=&nbsp;value</tt></dd></dl>
108
109<dl><dt><a name="DevToolsClientConnectionError-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>
110
111<dl><dt><a name="DevToolsClientConnectionError-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>
112
113<hr>
114Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
115<dl><dt><strong>__dict__</strong></dt>
116</dl>
117<dl><dt><strong>args</strong></dt>
118</dl>
119<dl><dt><strong>message</strong></dt>
120</dl>
121</td></tr></table> <p>
122<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
123<tr bgcolor="#ffc8d8">
124<td colspan=3 valign=bottom>&nbsp;<br>
125<font color="#000000" face="helvetica, arial"><a name="DevToolsClientUrlError">class <strong>DevToolsClientUrlError</strong></a>(<a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientConnectionError">DevToolsClientConnectionError</a>)</font></td></tr>
126
127<tr><td bgcolor="#ffc8d8"><tt>&nbsp;&nbsp;&nbsp;</tt></td><td>&nbsp;</td>
128<td width="100%"><dl><dt>Method resolution order:</dt>
129<dd><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientUrlError">DevToolsClientUrlError</a></dd>
130<dd><a href="telemetry.internal.backends.chrome_inspector.devtools_http.html#DevToolsClientConnectionError">DevToolsClientConnectionError</a></dd>
131<dd><a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a></dd>
132<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
133<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
134<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
135</dl>
136<hr>
137Methods inherited from <a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>:<br>
138<dl><dt><a name="DevToolsClientUrlError-AddDebuggingMessage"><strong>AddDebuggingMessage</strong></a>(self, msg)</dt><dd><tt>Adds&nbsp;a&nbsp;message&nbsp;to&nbsp;the&nbsp;description&nbsp;of&nbsp;the&nbsp;exception.<br>
139&nbsp;<br>
140Many&nbsp;Telemetry&nbsp;exceptions&nbsp;arise&nbsp;from&nbsp;failures&nbsp;in&nbsp;another&nbsp;application.&nbsp;These<br>
141failures&nbsp;are&nbsp;difficult&nbsp;to&nbsp;pinpoint.&nbsp;This&nbsp;method&nbsp;allows&nbsp;Telemetry&nbsp;classes&nbsp;to<br>
142append&nbsp;useful&nbsp;debugging&nbsp;information&nbsp;to&nbsp;the&nbsp;exception.&nbsp;This&nbsp;method&nbsp;also&nbsp;logs<br>
143information&nbsp;about&nbsp;the&nbsp;location&nbsp;from&nbsp;where&nbsp;it&nbsp;was&nbsp;called.</tt></dd></dl>
144
145<dl><dt><a name="DevToolsClientUrlError-__init__"><strong>__init__</strong></a>(self, msg<font color="#909090">=''</font>)</dt></dl>
146
147<dl><dt><a name="DevToolsClientUrlError-__str__"><strong>__str__</strong></a>(self)</dt></dl>
148
149<hr>
150Data descriptors inherited from <a href="telemetry.core.exceptions.html#Error">telemetry.core.exceptions.Error</a>:<br>
151<dl><dt><strong>__weakref__</strong></dt>
152<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
153</dl>
154<hr>
155Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
156<dl><dt><strong>__new__</strong> = &lt;built-in method __new__ of type object&gt;<dd><tt>T.<a href="#DevToolsClientUrlError-__new__">__new__</a>(S,&nbsp;...)&nbsp;-&gt;&nbsp;a&nbsp;new&nbsp;<a href="__builtin__.html#object">object</a>&nbsp;with&nbsp;type&nbsp;S,&nbsp;a&nbsp;subtype&nbsp;of&nbsp;T</tt></dl>
157
158<hr>
159Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
160<dl><dt><a name="DevToolsClientUrlError-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__delattr__">__delattr__</a>('name')&nbsp;&lt;==&gt;&nbsp;del&nbsp;x.name</tt></dd></dl>
161
162<dl><dt><a name="DevToolsClientUrlError-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__getattribute__">__getattribute__</a>('name')&nbsp;&lt;==&gt;&nbsp;x.name</tt></dd></dl>
163
164<dl><dt><a name="DevToolsClientUrlError-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__getitem__">__getitem__</a>(y)&nbsp;&lt;==&gt;&nbsp;x[y]</tt></dd></dl>
165
166<dl><dt><a name="DevToolsClientUrlError-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__getslice__">__getslice__</a>(i,&nbsp;j)&nbsp;&lt;==&gt;&nbsp;x[i:j]<br>
167&nbsp;<br>
168Use&nbsp;of&nbsp;negative&nbsp;indices&nbsp;is&nbsp;not&nbsp;supported.</tt></dd></dl>
169
170<dl><dt><a name="DevToolsClientUrlError-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>
171
172<dl><dt><a name="DevToolsClientUrlError-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__repr__">__repr__</a>()&nbsp;&lt;==&gt;&nbsp;repr(x)</tt></dd></dl>
173
174<dl><dt><a name="DevToolsClientUrlError-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#DevToolsClientUrlError-__setattr__">__setattr__</a>('name',&nbsp;value)&nbsp;&lt;==&gt;&nbsp;x.name&nbsp;=&nbsp;value</tt></dd></dl>
175
176<dl><dt><a name="DevToolsClientUrlError-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>
177
178<dl><dt><a name="DevToolsClientUrlError-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>
179
180<hr>
181Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
182<dl><dt><strong>__dict__</strong></dt>
183</dl>
184<dl><dt><strong>args</strong></dt>
185</dl>
186<dl><dt><strong>message</strong></dt>
187</dl>
188</td></tr></table> <p>
189<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
190<tr bgcolor="#ffc8d8">
191<td colspan=3 valign=bottom>&nbsp;<br>
192<font color="#000000" face="helvetica, arial"><a name="DevToolsHttp">class <strong>DevToolsHttp</strong></a>(<a href="__builtin__.html#object">__builtin__.object</a>)</font></td></tr>
193
194<tr bgcolor="#ffc8d8"><td rowspan=2><tt>&nbsp;&nbsp;&nbsp;</tt></td>
195<td colspan=2><tt>A&nbsp;helper&nbsp;class&nbsp;to&nbsp;send&nbsp;and&nbsp;parse&nbsp;DevTools&nbsp;HTTP&nbsp;requests.<br>
196&nbsp;<br>
197This&nbsp;class&nbsp;maintains&nbsp;a&nbsp;persistent&nbsp;http&nbsp;connection&nbsp;to&nbsp;Chrome&nbsp;devtools.<br>
198Ideally,&nbsp;owners&nbsp;of&nbsp;instances&nbsp;of&nbsp;this&nbsp;class&nbsp;should&nbsp;call&nbsp;<a href="#DevToolsHttp-Disconnect">Disconnect</a>()&nbsp;before<br>
199disposing&nbsp;of&nbsp;the&nbsp;instance.&nbsp;Otherwise,&nbsp;the&nbsp;connection&nbsp;will&nbsp;not&nbsp;be&nbsp;closed&nbsp;until<br>
200the&nbsp;instance&nbsp;is&nbsp;garbage&nbsp;collected.<br>&nbsp;</tt></td></tr>
201<tr><td>&nbsp;</td>
202<td width="100%">Methods defined here:<br>
203<dl><dt><a name="DevToolsHttp-Disconnect"><strong>Disconnect</strong></a>(self)</dt><dd><tt>Closes&nbsp;the&nbsp;HTTP&nbsp;connection.</tt></dd></dl>
204
205<dl><dt><a name="DevToolsHttp-Request"><strong>Request</strong></a>(self, path, timeout<font color="#909090">=30</font>)</dt><dd><tt>Sends&nbsp;a&nbsp;request&nbsp;to&nbsp;Chrome&nbsp;devtools.<br>
206&nbsp;<br>
207This&nbsp;method&nbsp;lazily&nbsp;creates&nbsp;an&nbsp;HTTP&nbsp;connection,&nbsp;if&nbsp;one&nbsp;does&nbsp;not&nbsp;already<br>
208exist.<br>
209&nbsp;<br>
210Args:<br>
211&nbsp;&nbsp;path:&nbsp;The&nbsp;DevTools&nbsp;URL&nbsp;path,&nbsp;without&nbsp;the&nbsp;/json/&nbsp;prefix.<br>
212&nbsp;&nbsp;timeout:&nbsp;Timeout&nbsp;defaults&nbsp;to&nbsp;30&nbsp;seconds.<br>
213&nbsp;<br>
214Raises:<br>
215&nbsp;&nbsp;<a href="#DevToolsClientConnectionError">DevToolsClientConnectionError</a>:&nbsp;If&nbsp;the&nbsp;connection&nbsp;fails.</tt></dd></dl>
216
217<dl><dt><a name="DevToolsHttp-RequestJson"><strong>RequestJson</strong></a>(self, path, timeout<font color="#909090">=30</font>)</dt><dd><tt>Sends&nbsp;a&nbsp;request&nbsp;and&nbsp;parse&nbsp;the&nbsp;response&nbsp;as&nbsp;JSON.<br>
218&nbsp;<br>
219Args:<br>
220&nbsp;&nbsp;path:&nbsp;The&nbsp;DevTools&nbsp;URL&nbsp;path,&nbsp;without&nbsp;the&nbsp;/json/&nbsp;prefix.<br>
221&nbsp;&nbsp;timeout:&nbsp;Timeout&nbsp;defaults&nbsp;to&nbsp;30&nbsp;seconds.<br>
222&nbsp;<br>
223Raises:<br>
224&nbsp;&nbsp;<a href="#DevToolsClientConnectionError">DevToolsClientConnectionError</a>:&nbsp;If&nbsp;the&nbsp;connection&nbsp;fails.<br>
225&nbsp;&nbsp;ValueError:&nbsp;If&nbsp;the&nbsp;response&nbsp;is&nbsp;not&nbsp;a&nbsp;valid&nbsp;JSON.</tt></dd></dl>
226
227<dl><dt><a name="DevToolsHttp-__del__"><strong>__del__</strong></a>(self)</dt></dl>
228
229<dl><dt><a name="DevToolsHttp-__init__"><strong>__init__</strong></a>(self, devtools_port)</dt></dl>
230
231<hr>
232Data descriptors defined here:<br>
233<dl><dt><strong>__dict__</strong></dt>
234<dd><tt>dictionary&nbsp;for&nbsp;instance&nbsp;variables&nbsp;(if&nbsp;defined)</tt></dd>
235</dl>
236<dl><dt><strong>__weakref__</strong></dt>
237<dd><tt>list&nbsp;of&nbsp;weak&nbsp;references&nbsp;to&nbsp;the&nbsp;object&nbsp;(if&nbsp;defined)</tt></dd>
238</dl>
239</td></tr></table></td></tr></table>
240</body></html>