[Python-Dev] test_bz2 on Python 2.4.1

[A.B., Khalid]

Reinhold Birkenfeld wrote:
>Are you sure that you are calling the newly-built python.exe? It is strange 
>that
>the test should pass in interactive mode when it doesn't in normal mode.

>For a confirmation, can you execute this piece of code both interactively 
>and
>from a file:

Yes, both Python's tested are fresh from CVS. Here is the output of the test 
you asked I run

#----------------------
# File: testbz2.py
#----------------------
"""
import os
from bz2 import BZ2File

data = 'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 
\x00!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t'
f = open('test.bz2', "wb")
f.write(data)
f.close()
bz2f = BZ2File('test.bz2')
lines = bz2f.readlines()
bz2f.close()
assert lines == ['Test']
bz2f = BZ2File('test.bz2')
xlines = list(bz2f.xreadlines())
bz2f.close()
assert lines == ['Test']
os.unlink('test.bz2')
"""


-------------
RESULTS:
-------------


#--------------------------- Python 2.5a0 from CVS -----------------#
# Result: passes
$ /g/projs/py25/python/dist/src/MinGW/python testbz2.py


#--------------------------- Python 2.4.1 from CVS -----------------#
# Result: fails
$ /g/projs/py24/python/dist/src/MinGW/python testbz2.py
Traceback (most recent call last):
  File "testbz2.py", line 9, in ?
    lines = bz2f.readlines()
RuntimeError: wrong sequence of bz2 library commands used


#--------------------------- Python 2.4.1 from CVS -----------------#
# Interpreted session: testbz2 fails here as well now
$ /g/projs/py24/python/dist/src/MinGW/python -i
Python 2.4.1 (#65, Aug 26 2005, 14:38:48)
[GCC 3.4.4 (mingw special)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>import os
>>>from bz2 import BZ2File
>>>data = 'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 
>>>\x0                 0!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t'
>>>f = open('test.bz2', "wb")
>>>f.write(data)
>>>f.close()
>>>bz2f = BZ2File('test.bz2')
>>>lines = bz2f.readlines()
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
RuntimeError: wrong sequence of bz2 library commands used
>>>raise SystemExit


#--------------------------- Python 2.5a0 from CVS -----------------#
# Interpreted session: testbz2 passes
$ /g/projs/py25/python/dist/src/MinGW/python -i
Python 2.5a0 (#65, Aug 26 2005, 14:57:28)
[GCC 3.4.4 (mingw special)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>import os
>>>from bz2 import BZ2File
>>>data = 'BZh91AY&SY\xd9b\x89]\x00\x00\x00\x03\x80\x04\x00\x02\x00\x0c\x00 
>>>\x0                 0!\x9ah3M\x13<]\xc9\x14\xe1BCe\x8a%t'
>>>f = open('test.bz2', "wb")
>>>f.write(data)
>>>f.close()
>>>bz2f = BZ2File('test.bz2')
>>>lines = bz2f.readlines()
>>>bz2f.close()
>>>assert lines == ['Test']
>>>bz2f = BZ2File('test.bz2')
>>>xlines = list(bz2f.xreadlines())
>>>bz2f.close()
>>>assert lines == ['Test']
>>>os.unlink('test.bz2')
>>>raise SystemExit


Regards,
Khalid

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