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| <h2><a name="SECTION002130000000000000000"></a> |
| <a name="response-objects"></a> |
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| 1.1.3 Response Objects |
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| |
| <p> |
| Response objects are derived from <tt class="class">dict</tt> and map |
| header names (lower case with the trailing colon removed) |
| to header values. In addition to the dict methods |
| a Response object also has: |
| |
| <p> |
| <dl><dt><b><tt id='l2h-26' xml:id='l2h-26' class="member">fromcache</tt></b></dt> |
| <dd> |
| If <code>true</code> the the response was returned from the cache. |
| </dl> |
| |
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| <dl><dt><b><tt id='l2h-27' xml:id='l2h-27' class="member">version</tt></b></dt> |
| <dd> |
| The version of HTTP that the server supports. A value |
| of 11 means '1.1'. |
| </dl> |
| |
| <p> |
| <dl><dt><b><tt id='l2h-28' xml:id='l2h-28' class="member">status</tt></b></dt> |
| <dd> |
| The numerical HTTP status code returned in the response. |
| </dl> |
| |
| <p> |
| <dl><dt><b><tt id='l2h-29' xml:id='l2h-29' class="member">reason</tt></b></dt> |
| <dd> |
| The human readable component of the HTTP response status code. |
| </dl> |
| |
| <p> |
| <dl><dt><b><tt id='l2h-30' xml:id='l2h-30' class="member">previous</tt></b></dt> |
| <dd> |
| If redirects are followed then the <tt class="class">Response</tt> object returned |
| is just for the very last HTTP request and <var>previous</var> points to |
| the previous <tt class="class">Response</tt> object. In this manner they form a chain |
| going back through the responses to the very first response. |
| Will be <code>None</code> if there are no previous respones. |
| </dl> |
| |
| <p> |
| The Response object also populates the header <code>content-location</code>, that |
| contains the URI that was ultimately requested. This is useful if |
| redirects were encountered, you can determine the ultimate URI that |
| the request was sent to. All Response objects contain this key value, |
| including <code>previous</code> responses so you can determine the entire |
| chain of redirects. If <tt class="member">Http.force_exception_to_status_code</tt> is <code>True</code> |
| and the number of redirects has exceeded the number of allowed number |
| of redirects then the <tt class="class">Response</tt> object will report the error |
| in the status code, but the complete chain of previous responses will |
| still be in tact. |
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