From 637a70fa7bad163de70bf4493b1ea73dd2147240 Mon Sep 17 00:00:00 2001 From: Adrian Holovaty Date: Sat, 17 Dec 2011 02:31:34 +0000 Subject: [PATCH] Negligible spacing cleanup in utils/dateparse.py git-svn-id: http://code.djangoproject.com/svn/django/trunk@17219 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/utils/dateparse.py | 46 ++++++++++++++++----------------------- 1 file changed, 19 insertions(+), 27 deletions(-) diff --git a/django/utils/dateparse.py b/django/utils/dateparse.py index 3ce475f5ea..532bb259c3 100644 --- a/django/utils/dateparse.py +++ b/django/utils/dateparse.py @@ -1,58 +1,51 @@ """Functions to parse datetime objects.""" # We're using regular expressions rather than time.strptime because: -# - they provide both validation and parsing, -# - they're more flexible for datetimes, -# - the date/datetime/time constructors produce friendlier error messages. - +# - They provide both validation and parsing. +# - They're more flexible for datetimes. +# - The date/datetime/time constructors produce friendlier error messages. import datetime import re - from django.utils.timezone import utc from django.utils.tzinfo import FixedOffset - date_re = re.compile( - r'(?P\d{4})-(?P\d{1,2})-(?P\d{1,2})$' + r'(?P\d{4})-(?P\d{1,2})-(?P\d{1,2})$' ) - datetime_re = re.compile( - r'(?P\d{4})-(?P\d{1,2})-(?P\d{1,2})' - r'[T ](?P\d{1,2}):(?P\d{1,2})' - r'(?::(?P\d{1,2})(?:\.(?P\d{1,6})\d{0,6})?)?' - r'(?PZ|[+-]\d{1,2}:\d{1,2})?$' + r'(?P\d{4})-(?P\d{1,2})-(?P\d{1,2})' + r'[T ](?P\d{1,2}):(?P\d{1,2})' + r'(?::(?P\d{1,2})(?:\.(?P\d{1,6})\d{0,6})?)?' + r'(?PZ|[+-]\d{1,2}:\d{1,2})?$' ) - time_re = re.compile( - r'(?P\d{1,2}):(?P\d{1,2})' - r'(?::(?P\d{1,2})(?:\.(?P\d{1,6})\d{0,6})?)?' + r'(?P\d{1,2}):(?P\d{1,2})' + r'(?::(?P\d{1,2})(?:\.(?P\d{1,6})\d{0,6})?)?' ) - def parse_date(value): - """Parse a string and return a datetime.date. + """Parses a string and return a datetime.date. - Raise ValueError if the input is well formatted but not a valid date. - Return None if the input isn't well formatted. + Raises ValueError if the input is well formatted but not a valid date. + Returns None if the input isn't well formatted. """ match = date_re.match(value) if match: kw = dict((k, int(v)) for k, v in match.groupdict().iteritems()) return datetime.date(**kw) - def parse_time(value): - """Parse a string and return a datetime.time. + """Parses a string and return a datetime.time. This function doesn't support time zone offsets. Sub-microsecond precision is accepted, but ignored. - Raise ValueError if the input is well formatted but not a valid time. - Return None if the input isn't well formatted, in particular if it + Raises ValueError if the input is well formatted but not a valid time. + Returns None if the input isn't well formatted, in particular if it contains an offset. """ match = time_re.match(value) @@ -63,17 +56,16 @@ def parse_time(value): kw = dict((k, int(v)) for k, v in kw.iteritems() if v is not None) return datetime.time(**kw) - def parse_datetime(value): - """Parse a string and return a datetime.datetime. + """Parses a string and return a datetime.datetime. This function supports time zone offsets. When the input contains one, the output uses an instance of FixedOffset as tzinfo. Sub-microsecond precision is accepted, but ignored. - Raise ValueError if the input is well formatted but not a valid datetime. - Return None if the input isn't well formatted. + Raises ValueError if the input is well formatted but not a valid datetime. + Returns None if the input isn't well formatted. """ match = datetime_re.match(value) if match: