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| <a href="googleapiclient-module.html">Package googleapiclient</a> :: |
| <a href="googleapiclient.http-module.html">Module http</a> :: |
| Class MediaIoBaseDownload |
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| <!-- ==================== CLASS DESCRIPTION ==================== --> |
| <h1 class="epydoc">Class MediaIoBaseDownload</h1><p class="nomargin-top"><span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload">source code</a></span></p> |
| <center> |
| <center> <map id="uml_class_diagram_for_googleap_27" name="uml_class_diagram_for_googleap_27"> |
| <area shape="rect" id="node1_2" href="googleapiclient.http.MediaIoBaseDownload-class.html#__init__" title="Constructor." alt="" coords="18,36,395,55"/> |
| <area shape="rect" id="node1_3" href="googleapiclient.http.MediaIoBaseDownload-class.html#next_chunk" title="Get the next chunk of the download." alt="" coords="18,55,395,73"/> |
| <area shape="rect" id="node1" href="googleapiclient.http.MediaIoBaseDownload-class.html" title=""Download media resources." alt="" coords="5,5,407,80"/> |
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| <hr /> |
| <pre class="literalblock"> |
| "Download media resources. |
| |
| Note that the Python file object is compatible with io.Base and can be used |
| with this class also. |
| |
| |
| Example: |
| request = farms.animals().get_media(id='cow') |
| fh = io.FileIO('cow.png', mode='wb') |
| downloader = MediaIoBaseDownload(fh, request, chunksize=1024*1024) |
| |
| done = False |
| while done is False: |
| status, done = downloader.next_chunk() |
| if status: |
| print "Download %d%%." % int(status.progress() * 100) |
| print "Download Complete!" |
| |
| </pre> |
| |
| <!-- ==================== INSTANCE METHODS ==================== --> |
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| <span class="summary-type"> </span> |
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| <td><span class="summary-sig"><a href="googleapiclient.http.MediaIoBaseDownload-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>, |
| <span class="summary-sig-arg">fd</span>, |
| <span class="summary-sig-arg">request</span>, |
| <span class="summary-sig-arg">chunksize</span>=<span class="summary-sig-default">DEFAULT_CHUNK_SIZE</span>)</span><br /> |
| Constructor.</td> |
| <td align="right" valign="top"> |
| <span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.__init__">source code</a></span> |
| |
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| |
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| <span class="summary-type"> </span> |
| </td><td class="summary"> |
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| <tr> |
| <td><span class="summary-sig"><a href="googleapiclient.http.MediaIoBaseDownload-class.html#next_chunk" class="summary-sig-name">next_chunk</a>(<span class="summary-sig-arg">self</span>, |
| <span class="summary-sig-arg">num_retries</span>=<span class="summary-sig-default">0</span>)</span><br /> |
| Get the next chunk of the download.</td> |
| <td align="right" valign="top"> |
| <span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.next_chunk">source code</a></span> |
| |
| </td> |
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| |
| </td> |
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| <td colspan="2" class="summary"> |
| <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>: |
| <code>__delattr__</code>, |
| <code>__format__</code>, |
| <code>__getattribute__</code>, |
| <code>__hash__</code>, |
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| <code>__setattr__</code>, |
| <code>__sizeof__</code>, |
| <code>__str__</code>, |
| <code>__subclasshook__</code> |
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| <p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>: |
| <code>__class__</code> |
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| <a name="__init__"></a> |
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| <h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>, |
| <span class="sig-arg">fd</span>, |
| <span class="sig-arg">request</span>, |
| <span class="sig-arg">chunksize</span>=<span class="sig-default">DEFAULT_CHUNK_SIZE</span>)</span> |
| <br /><em class="fname">(Constructor)</em> |
| </h3> |
| </td><td align="right" valign="top" |
| ><span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.__init__">source code</a></span> |
| </td> |
| </tr></table> |
| |
| <pre class="literalblock"> |
| Constructor. |
| |
| Args: |
| fd: io.Base or file object, The stream in which to write the downloaded |
| bytes. |
| request: googleapiclient.http.HttpRequest, the media request to perform in |
| chunks. |
| chunksize: int, File will be downloaded in chunks of this many bytes. |
| |
| </pre> |
| <dl class="fields"> |
| <dt>Decorators:</dt> |
| <dd><ul class="nomargin-top"> |
| <li><code>@util.positional(3)</code></li> |
| </ul></dd> |
| <dt>Overrides: |
| object.__init__ |
| </dt> |
| </dl> |
| </td></tr></table> |
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| <a name="next_chunk"></a> |
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| <tr valign="top"><td> |
| <h3 class="epydoc"><span class="sig"><span class="sig-name">next_chunk</span>(<span class="sig-arg">self</span>, |
| <span class="sig-arg">num_retries</span>=<span class="sig-default">0</span>)</span> |
| </h3> |
| </td><td align="right" valign="top" |
| ><span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.next_chunk">source code</a></span> |
| </td> |
| </tr></table> |
| |
| <pre class="literalblock"> |
| Get the next chunk of the download. |
| |
| Args: |
| num_retries: Integer, number of times to retry 500's with randomized |
| exponential backoff. If all retries fail, the raised HttpError |
| represents the last request. If zero (default), we attempt the |
| request only once. |
| |
| Returns: |
| (status, done): (MediaDownloadStatus, boolean) |
| The value of 'done' will be True when the media has been fully |
| downloaded. |
| |
| Raises: |
| googleapiclient.errors.HttpError if the response was not a 2xx. |
| httplib2.HttpLib2Error if a transport error has occured. |
| |
| </pre> |
| <dl class="fields"> |
| <dt>Decorators:</dt> |
| <dd><ul class="nomargin-top"> |
| <li><code>@util.positional(1)</code></li> |
| </ul></dd> |
| </dl> |
| </td></tr></table> |
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