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gerrit-public.fairphone.software / platform / external / python / google-api-python-client / 4d50cd6883f37e19a26fabe3af6a75d407146520 / . / docs / epy / apiclient.http.MediaIoBaseDownload-class.html
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Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]1<?xml version="1.0" encoding="ascii"?>
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37 <a href="apiclient-module.html">Package&nbsp;apiclient</a> ::
38 <a href="apiclient.http-module.html">Module&nbsp;http</a> ::
39 Class&nbsp;MediaIoBaseDownload
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55<!-- ==================== CLASS DESCRIPTION ==================== -->
56<h1 class="epydoc">Class MediaIoBaseDownload</h1><p class="nomargin-top"><span class="codelink"><a href="apiclient.http-pysrc.html#MediaIoBaseDownload">source&nbsp;code</a></span></p>
57<center>
Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]58<center> <map id="uml_class_diagram_for_apiclien_27" name="uml_class_diagram_for_apiclien_27">
59<area shape="rect" id="node73" href="apiclient.http.MediaIoBaseDownload-class.html#__init__" title="Constructor." alt="" coords="17,39,397,57"/>
60<area shape="rect" id="node73" href="apiclient.http.MediaIoBaseDownload-class.html#next_chunk" title="Get the next chunk of the download." alt="" coords="17,57,397,76"/>
61<area shape="rect" id="node1" href="apiclient.http.MediaIoBaseDownload-class.html" title="&quot;Download media resources." alt="" coords="5,6,408,82"/>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]62</map>
Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]63 <img src="uml_class_diagram_for_apiclien_27.gif" alt='' usemap="#uml_class_diagram_for_apiclien_27" ismap="ismap" class="graph-without-title" />
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]64</center>
65</center>
66<hr />
67<pre class="literalblock">
68&quot;Download media resources.
69
70Note that the Python file object is compatible with io.Base and can be used
71with this class also.
72
73
74Example:
75 request = farms.animals().get_media(id='cow')
76 fh = io.FileIO('cow.png', mode='wb')
77 downloader = MediaIoBaseDownload(fh, request, chunksize=1024*1024)
78
79 done = False
80 while done is False:
81 status, done = downloader.next_chunk()
82 if status:
83 print &quot;Download %d%%.&quot; % int(status.progress() * 100)
84 print &quot;Download Complete!&quot;
85
86</pre>
87
88<!-- ==================== INSTANCE METHODS ==================== -->
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100 >hide private</a>]</span></td>
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Joe Gregoriof4839b02012-09-06 13:47:24 -0400[diff] [blame]111 <td><span class="summary-sig"><a href="apiclient.http.MediaIoBaseDownload-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
112 <span class="summary-sig-arg">fd</span>,
113 <span class="summary-sig-arg">request</span>,
114 <span class="summary-sig-arg">chunksize</span>=<span class="summary-sig-default">DEFAULT_CHUNK_SIZE</span>)</span><br />
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]115 Constructor.</td>
116 <td align="right" valign="top">
Joe Gregoriof4839b02012-09-06 13:47:24 -0400[diff] [blame]117 <span class="codelink"><a href="apiclient.http-pysrc.html#MediaIoBaseDownload.__init__">source&nbsp;code</a></span>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]118
119 </td>
120 </tr>
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122
123 </td>
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Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]131 <td><span class="summary-sig"><a href="apiclient.http.MediaIoBaseDownload-class.html#next_chunk" class="summary-sig-name">next_chunk</a>(<span class="summary-sig-arg">self</span>,
132 <span class="summary-sig-arg">num_retries</span>=<span class="summary-sig-default">0</span>)</span><br />
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]133 Get the next chunk of the download.</td>
134 <td align="right" valign="top">
135 <span class="codelink"><a href="apiclient.http-pysrc.html#MediaIoBaseDownload.next_chunk">source&nbsp;code</a></span>
136
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146 <code>__delattr__</code>,
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Joe Gregoriof4839b02012-09-06 13:47:24 -0400[diff] [blame]212 <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
213 <span class="sig-arg">fd</span>,
214 <span class="sig-arg">request</span>,
215 <span class="sig-arg">chunksize</span>=<span class="sig-default">DEFAULT_CHUNK_SIZE</span>)</span>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]216 <br /><em class="fname">(Constructor)</em>
217 </h3>
218 </td><td align="right" valign="top"
Joe Gregoriof4839b02012-09-06 13:47:24 -0400[diff] [blame]219 ><span class="codelink"><a href="apiclient.http-pysrc.html#MediaIoBaseDownload.__init__">source&nbsp;code</a></span>&nbsp;
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]220 </td>
221 </tr></table>
222
223 <pre class="literalblock">
224Constructor.
225
226Args:
Joe Gregoriofa08c2e2012-07-23 16:52:03 -0400[diff] [blame]227 fd: io.Base or file object, The stream in which to write the downloaded
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]228 bytes.
229 request: apiclient.http.HttpRequest, the media request to perform in
230 chunks.
231 chunksize: int, File will be downloaded in chunks of this many bytes.
232
233</pre>
234 <dl class="fields">
Joe Gregorio1b425aa2012-08-24 12:04:34 -0400[diff] [blame]235 <dt>Decorators:</dt>
236 <dd><ul class="nomargin-top">
237 <li><code>@util.positional(3)</code></li>
238 </ul></dd>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]239 <dt>Overrides:
240 object.__init__
241 </dt>
242 </dl>
243</td></tr></table>
244</div>
245<a name="next_chunk"></a>
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Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]252 <h3 class="epydoc"><span class="sig"><span class="sig-name">next_chunk</span>(<span class="sig-arg">self</span>,
253 <span class="sig-arg">num_retries</span>=<span class="sig-default">0</span>)</span>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]254 </h3>
255 </td><td align="right" valign="top"
256 ><span class="codelink"><a href="apiclient.http-pysrc.html#MediaIoBaseDownload.next_chunk">source&nbsp;code</a></span>&nbsp;
257 </td>
258 </tr></table>
259
260 <pre class="literalblock">
261Get the next chunk of the download.
262
Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]263Args:
264 num_retries: Integer, number of times to retry 500's with randomized
265 exponential backoff. If all retries fail, the raised HttpError
266 represents the last request. If zero (default), we attempt the
267 request only once.
268
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]269Returns:
270 (status, done): (MediaDownloadStatus, boolean)
271 The value of 'done' will be True when the media has been fully
272 downloaded.
273
274Raises:
275 apiclient.errors.HttpError if the response was not a 2xx.
Joe Gregorioad8013f2012-08-03 08:44:02 -0400[diff] [blame]276 httplib2.HttpLib2Error if a transport error has occured.
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]277
278</pre>
279 <dl class="fields">
Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]280 <dt>Decorators:</dt>
281 <dd><ul class="nomargin-top">
282 <li><code>@util.positional(1)</code></li>
283 </ul></dd>
Joe Gregorioebd0b842012-06-15 14:14:17 -0400[diff] [blame]284 </dl>
285</td></tr></table>
286</div>
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Joe Gregorio37802c32013-08-06 12:24:05 -0400[diff] [blame]311 Generated by Epydoc 3.0.1 on Tue Aug 6 12:16:44 2013
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