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https://issues.apache.org/jira/browse/ARROW-822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15969310#comment-15969310
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Bryan Cutler commented on ARROW-822:
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Thanks [~wesmckinn], I'll start working on it today then
> [Python] StreamWriter fails to open with socket as sink
> -------------------------------------------------------
>
> Key: ARROW-822
> URL: https://issues.apache.org/jira/browse/ARROW-822
> Project: Apache Arrow
> Issue Type: Bug
> Reporter: Bryan Cutler
> Fix For: 0.3.0
>
>
> Trying to use pyarrow StreamWriter to write to a socket fails. I've tried
> the following:
> - Use socket directly and get "TypeError: Unable to read from object of type:
> <class 'socket._socketobject'>"
> looks like pyarrow expects the object to have a "write" attribute
> - Using as a file object with: "sock.makefile("wb", 65536)" get the error
> "pyarrow.error.ArrowIOError: IOError: '_fileobject' object has no attribute
> 'tell'"
> Not sure why exactly "tell" is required.
> - using "os.fdopen(sock.fileno(), "wb", 65536)" get a rather cryptic error
> that I've been unable to track down:
> "terminate called after throwing an instance of 'std::logic_error' what():
> basic_string::_M_construct null not valid"
> Seems to indicate some kind of std::string construction with a NULL, but I
> can't find that anywhere
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