mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 08:59:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

SF bug 1065388: calendar day/month name lookup too slow

Browse source 
__getitem__() methods:  compute only the new spellings needed to satisfy
the given indexing object.  This is purely an optimization (it should
have no effect on visible semantics).
This commit is contained in:
Tim Peters 2004-11-13 16:18:32 +00:00
parent fba7369824
commit bbc0d4409c
3 changed files with 35 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

26
Lib/calendar.py
View file

@ -28,27 +28,37 @@ mdays = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
# fresh on each call, in case the user changes locale between calls.
class _localized_month:
_months = [datetime.date(2001, i+1, 1).strftime for i in range(12)]
_months.insert(0, lambda x: "")
def __init__(self, format):
self.format = format
def __getitem__(self, i):
data = [datetime.date(2001, j, 1).strftime(self.format)
for j in range(1, 13)]
data.insert(0, "")
return data[i]
funcs = self._months[i]
if isinstance(i, slice):
return [f(self.format) for f in funcs]
else:
return funcs(self.format)
def __len__(self):
return 13
class _localized_day:
# January 1, 2001, was a Monday.
_days = [datetime.date(2001, 1, i+1).strftime for i in range(7)]
def __init__(self, format):
self.format = format
def __getitem__(self, i):
# January 1, 2001, was a Monday.
data = [datetime.date(2001, 1, j+1).strftime(self.format)
for j in range(7)]
return data[i]
funcs = self._days[i]
if isinstance(i, slice):
return [f(self.format) for f in funcs]
else:
return funcs(self.format)
def __len__(self):
return 7