Guido van Rossum wrote: > [MAL about adding .isdecimal(), .isdigit() and .isnumeric()] > > Some more examples from the unicodedata module (which makes > > all fields of the database available in Python): > > > > >>> unicodedata.decimal(u"3") > > 3 > > >>> unicodedata.decimal(u"²") > > 2 > > >>> unicodedata.digit(u"²") > > 2 > > >>> unicodedata.numeric(u"²") > > 2.0 > > >>> unicodedata.numeric(u"\u2155") > > 0.2 > > >>> unicodedata.numeric(u'\u215b') > > 0.125 > > Hm, very Unicode centric. Probably best left out of the general > string methods. Isspace() seems useful, and an isdigit() that is only > true for ASCII '0' - '9' also makes sense. Well, how about having all three on Unicode objects and only .isdigit() on string objects ? > What about "123".isdigit()? What does Java say? Or do these only > apply to single chars there? I think "123".isdigit() should be true > if "abc".islower() is true. In the current uPython implementation u"123".isdigit() is true; same for the other two methods. > > > > Similar APIs are already available through the unicodedata > > > > module, but could easily be moved to the Unicode object > > > > (they cause the builtin interpreter to grow a bit in size > > > > due to the new mapping tables). > > > > > > > > BTW, string.atoi et al. are currently not mapped to > > > > string methods... should they be ? > > > > > > They are mapped to int() c.s. > > > > Hmm, I just noticed that int() et friends don't like > > Unicode... shouldn't they use the "t" parser marker > > instead of requiring a string or tp_int compatible > > type ? > > Good catch. Go ahead. Done. float(), int() and long() now accept charbuf compatible objects as argument. -- Marc-Andre Lemburg ______________________________________________________________________ Business: http://www.lemburg.com/ Python Pages: http://www.lemburg.com/python/
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4