Bugs item #1597011, was opened at 2006-11-15 12:19
Message generated for change (Comment added) made by cpn
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Category: Extension Modules
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Clodoaldo Pinto Neto (cpn)
Assigned to: Nobody/Anonymous (nobody)
Summary: Reading with bz2.BZ2File() returns one garbage character
Initial Comment:
When comparing two files which should be equal the last line is
different:
The first file is a bzip2 compressed file and is read with
bz2.BZ2File()
The second file is the same file uncompressed and read with open()
The first file named file.txt.bz2 is uncompressed with:
$ bunzip2 -k file.txt.bz2
To compare I use this script:
###############################
import bz2
f1 = bz2.BZ2File(r'file.txt.bz2', 'r')
f2 = open(r'file.txt', 'r')
lines = 0
while True:
line1 = f1.readline()
line2 = f2.readline()
if line1 == '':
break
lines += 1
if line1 != line2:
print 'line number:', lines
print repr(line1)
print repr(line2)
f1.close()
f2.close()
##############################
Output:
$ python bzp.py
line number: 588317
'\x07'
''
The offending attached file is 5.5 MB. Sorry, i could not reproduce this problem
with a smaller file.
Tested in Fedora Core 5 and Python 2.4.3
----------------------------------------------------------------------
>Comment By: Clodoaldo Pinto Neto (cpn)
Date: 2006-11-15 12:35
Message:
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Originator: YES
Confirmed in Windows Python 2.4 and 2.5
http://groups.google.com/group/comp.lang.python/tree/browse_frm/thread/3010fd664d78010f/4166d429b25c9ed4?rnum=1&_done=%2Fgroup%2Fcomp.lang.python%2Fbrowse_frm%2Fthread%2F3010fd664d78010f%2F4166d429b25c9ed4%3Ftvc%3D1%26#doc_7770aa47861db452
----------------------------------------------------------------------
Comment By: Clodoaldo Pinto Neto (cpn)
Date: 2006-11-15 12:28
Message:
Logged In: YES
user_id=1646083
Originator: YES
I can't upload the bz2 sample file. So it is here:
http://fahstats.com/img/file.txt.bz2
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