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23 lines
848 B
Python
23 lines
848 B
Python
"""
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This inline script modifies a streamed response.
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If you do not need streaming, see the modify_response_body example.
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Be aware that content replacement isn't trivial:
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- If the transfer encoding isn't chunked, you cannot simply change the content length.
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- If you want to replace all occurences of "foobar", make sure to catch the cases
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where one chunk ends with [...]foo" and the next starts with "bar[...].
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"""
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def modify(chunks):
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"""
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chunks is a generator that can be used to iterate over all chunks.
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Each chunk is a (prefix, content, suffix) tuple.
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For example, in the case of chunked transfer encoding: ("3\r\n","foo","\r\n")
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"""
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for prefix, content, suffix in chunks:
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yield prefix, content.replace("foo", "bar"), suffix
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def responseheaders(context, flow):
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flow.response.stream = modify
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