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comparison 2.00/compat.py @ 16:f2279b7602d3

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Initial 2.00 commit
author Oleg Oshmyan <chortos@inbox.lv>
date Mon, 07 Jun 2010 23:36:52 +0000
parents
children ec6f1a132109
comparison
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15:c0e925ae721e 16:f2279b7602d3
1 #!/usr/bin/python
2 # Copyright (c) 2010 Chortos-2 <chortos@inbox.lv>
3
4 try:
5 # Python 3
6 exec('say = print')
7 except SyntaxError:
8 try:
9 # Python 2.6/2.7
10 exec('say = __builtins__["print"]')
11 except Exception:
12 # Python 2.5
13 import sys
14 # This should fully emulate the print function of Python 2.6 in Python 2.3+
15 # The error messages are taken from Python 2.6/2.7
16 def saytypeerror(value, name):
17 return TypeError(name + ' must be None, str or unicode, not ' + type(value).__name__)
18 def say(*values, **kwargs):
19 sep = kwargs.pop('sep' , None)
20 end = kwargs.pop('end' , None)
21 file = kwargs.pop('file', None)
22 if kwargs: raise TypeError("'%s' is an invalid keyword argument for this function" % kwargs.popitem()[0])
23 if sep is None: sep = ' '
24 if end is None: end = '\n'
25 if file is None: file = sys.stdout
26 if not isinstance(sep, basestring): raise saytypeerror(sep, 'sep')
27 if not isinstance(end, basestring): raise saytypeerror(end, 'end')
28 file.write(sep.join((str(i) for i in values)) + end)
29
30 def import_urllib():
31 try:
32 # Python 3
33 import urllib.request
34 return urllib.request, lambda url: urllib.request.urlopen(url).read().decode()
35 except ImportError:
36 # Python 2
37 import urllib
38 return urllib, lambda url: urllib.urlopen(url).read()