Bugs item #1606233, was opened at 2006-11-30 12:51
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Category: Python Library
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Bill Wallace (wayfarer3130)
Assigned to: Nobody/Anonymous (nobody)
Summary: readline on popen3 file returns empty string before end
Initial Comment:
When readline encounters some binary data (I'm not sure which character causes
this) in a stream opened with popen3, it returns the empty string indicating
end of file BEFORE the file is actually finished. This causes programs to
terminate early. The exact same file as a local file opened in "r" mode does
not have this behaviour.
The stream is created using:
strm1, strm2, strm3 = popen2.popen3("cvs log")
and the problem is that one of the cvs log messages I'm looking at has some
garabage data in it - I think it has some unix end of line's, but I'm not sure
exactly what causes this.
The work-around is to readline another time to see if it returns '' again -
this allows it to continue reading successfully.
I can attach a portion of the file if that would help, or do an od -x on the
section that causes the problem.
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