Hi I'm trying to update one of my scripts so that it runs under python2 and python3, but I'm running into an issue that the following example illustrates:
$ cat test.py try: # python-2.x from urllib2 import urlopen from ConfigParser import ConfigParser except ImportError: # python-3.x from urllib.request import urlopen from configparser import ConfigParser server='http://www.lsc-group.phys.uwm.edu/~ram/files' fp = urlopen('%s/latest.ini' % server).fp cp = ConfigParser() cp.readfp(fp) print(cp.get('version', '10.8')) $ This works as expected when using python2: $ python2.7 test.py 5.2.10 $ but when using python3 I receive the following error: $ python3.3 test.py Traceback (most recent call last): File "test.py", line 14, in <module> cp.readfp(fp) File "/opt/local/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/configparser.py", line 753, in readfp self.read_file(fp, source=filename) File "/opt/local/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/configparser.py", line 708, in read_file self._read(f, source) File "/opt/local/Library/Frameworks/Python.framework/Versions/3.3/lib/python3.3/configparser.py", line 1010, in _read for lineno, line in enumerate(fp, start=1): ValueError: I/O operation on closed file. $ Is there a way to get this working in both python2 and python3? This is a small script and I'm starting to have some users wanting to use python3 and others sticking to python2 so I'd like to accommodate them both if possible. Cheers Adam -- http://mail.python.org/mailman/listinfo/python-list
