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  • Committer: Robert Collins
  • Date: 2008-08-15 05:35:17 UTC
  • mto: This revision was merged to the branch mainline in revision 3677.
  • Revision ID: robertc@robertcollins.net-20080815053517-fjmv6jtns6s5ui9a
Add osutils.pump_string_file helper function.

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Lines of Context:
bzrlib/osutils.py
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    return length
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def pump_string_file(bytes, file_handle, segment_size=None):
 
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    """Write bytes to file_handle in many smaller writes.
 
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    :param bytes: The string to write.
 
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    :param file_handle: The file to write to.
 
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    """
 
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    # Write data in chunks rather than all at once, because very large
 
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    # writes fail on some platforms (e.g. Windows with SMB  mounted
 
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    # drives).
 
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    if not segment_size:
 
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        segment_size = 5242880 # 5MB
 
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    segments = range(len(bytes) / segment_size + 1)
 
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    write = file_handle.write
 
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    for segment_index in segments:
 
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        segment = buffer(bytes, segment_index * segment_size, segment_size)
 
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        write(segment)
 
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def file_iterator(input_file, readsize=32768):
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    while True:
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        b = input_file.read(readsize)