Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-09 03:04:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

utility function to generate datetime from date strings such that the year and month are always correct

Browse Source
This commit is contained in:
Kovid Goyal 2012-05-13 17:24:34 +05:30
parent 4a2de2c905
commit d49d82305f
2 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/calibre/ebooks/metadata/sources/amazon.py
View File

@ -18,7 +18,7 @@ from calibre.ebooks.metadata import check_isbn
from calibre.ebooks.metadata.sources.base import (Source, Option, fixcase, from calibre.ebooks.metadata.sources.base import (Source, Option, fixcase,
fixauthors) fixauthors)
from calibre.ebooks.metadata.book.base import Metadata from calibre.ebooks.metadata.book.base import Metadata
from calibre.utils.date import parse_date from calibre.utils.date import parse_only_date
from calibre.utils.localization import canonicalize_lang from calibre.utils.localization import canonicalize_lang
class Worker(Thread): # Get details {{{ class Worker(Thread): # Get details {{{
@ -471,7 +471,7 @@ class Worker(Thread): # Get details {{{
ans = x.tail ans = x.tail
date = ans.rpartition('(')[-1].replace(')', '').strip() date = ans.rpartition('(')[-1].replace(')', '').strip()
date = self.delocalize_datestr(date) date = self.delocalize_datestr(date)
return parse_date(date, assume_utc=True) return parse_only_date(date, assume_utc=True)
def parse_language(self, pd): def parse_language(self, pd):
for x in reversed(pd.xpath(self.language_xpath)): for x in reversed(pd.xpath(self.language_xpath)):

20
src/calibre/utils/date.py
View File

@ -82,6 +82,26 @@ def parse_date(date_string, assume_utc=False, as_utc=True, default=None):
dt = dt.replace(tzinfo=_utc_tz if assume_utc else _local_tz) dt = dt.replace(tzinfo=_utc_tz if assume_utc else _local_tz)
return dt.astimezone(_utc_tz if as_utc else _local_tz) return dt.astimezone(_utc_tz if as_utc else _local_tz)
def parse_only_date(raw, assume_utc=True):
'''
Parse a date string that contains no time information in a manner that
guarantees that the month and year are always correct in all timezones, and
the day is at most one day wrong.
'''
from calibre.utils.date import utcnow, now, parse_date
from datetime import timedelta
f = utcnow if assume_utc else now
default = f().replace(hour=0, minute=0, second=0, microsecond=0,
day=15)
ans = parse_date(raw, default=default, assume_utc=assume_utc)
n = ans + timedelta(days=1)
if n.month > ans.month:
ans = ans.replace(day=ans.day-1)
if ans.day == 1:
ans = ans.replace(day=2)
return ans
def strptime(val, fmt, assume_utc=False, as_utc=True): def strptime(val, fmt, assume_utc=False, as_utc=True):
dt = datetime.strptime(val, fmt) dt = datetime.strptime(val, fmt)
if dt.tzinfo is None: if dt.tzinfo is None: