ARROW-13476: [Doc][Python] Switch ipc/io doc to use context managers #10957
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amol-
commented
Aug 18, 2021
| batches = [b for b in reader] | ||
| with pa.ipc.open_stream(buf) as reader: | ||
| schema = reader.schema | ||
| batches = [b for b in reader] |
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Took me a while to get around this one, if you wonder why this block is indented to more spaces than the other blocks, it's to work around what seemed like a bug in ipython directive.
When indented normally the second line was parsed as outside of the with block
In [0]: with pa.ipc.open_stream(buf) as reader:
...: schema = reader.schema
In [1]: batches = [b for b in reader]
instead of
In [0]: with pa.ipc.open_stream(buf) as reader:
...: schema = reader.schema
...: batches = [b for b in reader]
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