John Machin wrote: > On 3/05/2006 12:44 AM, Dean Allen Provins wrote: > >> Roger Upole wrote: >> >>> Bill Burns wrote: >>> >>>>> On 2/05/2006 8:16 AM, Dean Allen Provins wrote: >>>>> >>>>> >>>>>> Hello: >>>>>> >>>>>> I just installed the 2.4 version of Python on a WinXP box. I then >>>>>> copied over my python code which runs under Linux. This code uses >>>>>> "curses.ascii" (isspace specifically). >>>>>> >>>>>> The Win version of the libraries has a curses directory and within >>>>>> it, >>>>>> the ascii.py module. Unfortunately, the __init__.py module in the >>>>>> curses directory expects to import "_curses" (as it does on >>>>>> Linux), and >>>>>> this is nowhere to be found in the Windows python install >>>>>> directory (it >>>>>> is part of a shared library under Linux). >>>>>> >>>>>> To get around the problem, I simply commented out the entire >>>>>> __init__.py >>>>>> module, but this provides only symptomatic relief. >>>>>> >>>>>> Any readers know why the "_curses" library is missing, or in other >>>>>> words, have I found an "error of omission"? >>>>>> >>>>> >>>>> http://www.amk.ca/python/howto/curses/ >>>>> >>>>> "Nobody has made a Windows port" or words to that effect ... >>>> >>>> Actually, I just found this.... but I've never tried it >>>> >>>> http://adamv.com/dev/python/curses/ >>>> >>>> but I believe John is partial right ;-), in the sense that, the >>>> Standard Python distribution doesn't supply curses for Windows. >>>> >>>> So you have *not* found an "error of omission". >>>> >>>> Google "Windows _curses" on comp.lang.python for more info and other >>>> possibilities. >>>> >>>> Bill >>> >>> >>> Newer versions of Pywin32 come with a win32console module that >>> allows you to create and interact with console windows. >>> >>> Roger >> >> >> John. Bill and Roger: >> >> Thanks for your responses. >> >> Fortunately, I don't need anything from the curses library except the >> "isspace" function in "curses.ascii". Since the module "_curses" isn't >> available in the WIN version, I've decided to copy the "ascii.py" module >> over to my collection of codes and transfer it to Windows, rather than >> try to import a surgically-altered version of the curses module >> (described above). This should simplify the installation on other WIN >> machines. >> > > From curses/ascii.py: > > def isspace(c): return _ctoi(c) in (9, 10, 11, 12, 13, 32) > > Code reuse is great, but transporting and importing a whole irrelevant > module to get a fugly ill-coded one-liner and a further unnecessary > function call (_ctoi) qualifies for bogglement of the month [so far]. > > Try inserting this OS-independent one-liner in your code somewhere: > > def isspace(c): return c in (' ', '\t', '\n', '\r', '\f', '\v') > > It appears to work all the way back to Python 2.1 (see below). I could > arc up the box with 1.5.2 on it and check it out for you if you truly > rooly want a Python-version-agnostic function :-) > > C:\junk>\python21\python > Python 2.1.3 (#35, Apr 8 2002, 17:47:50) [MSC 32 bit (Intel)] on win32 > Type "copyright", "credits" or "license" for more information. >>>> def isspace(c): return c in (' ', '\t', '\n', '\r', '\f', '\v') > ... >>>> for x in (666, 1.23, 'a', 'z', 'fubar', ' ', '\t', '\n', '\r', '\f', > '\v'): > ... print repr(x), isspace(x) > ... > 666 0 > 1.23 0 > 'a' 0 > 'z' 0 > 'fubar' 0 > ' ' 1 > '\t' 1 > '\n' 1 > '\r' 1 > '\x0c' 1 > '\x0b' 1 >>>> for x in (8, 9, 10, 11, 12, 13, 14, 31, 32, 33): > ... print x, repr(chr(x)), isspace(chr(x)) > ... > 8 '\x08' 0 > 9 '\t' 1 > 10 '\n' 1 > 11 '\x0b' 1 > 12 '\x0c' 1 > 13 '\r' 1 > 14 '\x0e' 0 > 31 '\x1f' 0 > 32 ' ' 1 > 33 '!' 0 >>>> > > HTH, > John
Excellent idea. Thanks, Dean Confidentiality Notice: The information transmitted herein may contain confidential, proprietary and/or privileged material which belongs to Trident Exploration Corp. and its affiliates and is intended only for the addressee(s). Any unauthorized review, distribution or other use or the taking of any action in reliance upon this information is prohibited. If you received this email in error, please contact the sender or call (403) 770-1765 and delete this email and any copies. _______________________________________________ Python-win32 mailing list Python-win32@python.org http://mail.python.org/mailman/listinfo/python-win32
