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22 lines
1.1 KiB
22 lines
1.1 KiB
7 months ago
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# Thread Safety
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This page contains important information about the thread safety of this library.
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## The httplib2.Http() objects are not thread-safe
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The google-api-python-client library is built on top of the [httplib2](https://github.com/httplib2/httplib2) library, which is not thread-safe. Therefore, if you are running as a multi-threaded application, each thread that you are making requests from must have its own instance of `httplib2.Http()`.
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The easiest way to provide threads with their own `httplib2.Http()` instances is to either override the construction of it within the service object or to pass an instance via the http argument to method calls.
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```python
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# Create a new Http() object for every request
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def build_request(http, *args, **kwargs):
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new_http = httplib2.Http()
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return apiclient.http.HttpRequest(new_http, *args, **kwargs)
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service = build('api_name', 'api_version', requestBuilder=build_request)
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# Pass in a new Http() manually for every request
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service = build('api_name', 'api_version')
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http = httplib2.Http()
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service.stamps().list().execute(http=http)
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```
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