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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>
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<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>
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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>
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<span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.__init__">source code</a></span>
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<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>
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<span class="codelink"><a href="googleapiclient.http-pysrc.html#MediaIoBaseDownload.next_chunk">source code</a></span>
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<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
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<code>__new__</code>,
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<code>__repr__</code>,
<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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<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>
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<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>
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<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>
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<pre class="literalblock">
Get the next chunk of the download.
Args:
num_retries: Integer, number of times to retry 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 or the total size of the media is unknown.
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>
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