Mercurial > libervia-backend

annotate sat/tools/common/date_utils.py @ 3631:bef32f3ccc06

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge branche "@"
author Goffi <goffi@goffi.org>
date Fri, 27 Aug 2021 14:51:40 +0200
parents ab1fe6b25631 025ea418032f
children 92482cc80d0b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
1 #!/usr/bin/env python3
3137
559a625a236b fixed shebangs
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
2
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
3
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
4 # SAT: a jabber client
3479
be6d91572633 date update
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
6
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # This program is free software: you can redistribute it and/or modify
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
10 # (at your option) any later version.
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
11
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # This program is distributed in the hope that it will be useful,
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
15 # GNU Affero General Public License for more details.
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
16
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
19
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
20 """tools to help manipulating time and dates"""
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
21
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from sat.core.constants import Const as C
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
23 from sat.core.i18n import _
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
24 import datetime
2797
7968c8b7b5e1 tools (common): fixed dateutil.parser import
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
25 from dateutil import tz, parser
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
26 from dateutil.relativedelta import relativedelta
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
27 from dateutil.utils import default_tzinfo
3629
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
28 from dateutil.parser import ParserError
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
29 from babel import dates
2612
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
30 import calendar
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
31 import time
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
32 import re
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
33
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
34 RELATIVE_RE = re.compile(r"(?P<date>.*?)(?P<direction>[-+]?) *(?P<quantity>\d+) *"
3599
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
35 r"(?P<unit>(second|sec|s|minute|min|month|mo|m|hour|hr|h|day|d"
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
36 r"|week|w|year|yr|y))s?"
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
37 r"(?P<ago> +ago)?", re.I)
3599
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
38 TIME_SYMBOL_MAP = {
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
39 "s": "second",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
40 "sec": "second",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
41 "m": "minute",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
42 "min": "minute",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
43 "h": "hour",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
44 "hr": "hour",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
45 "d": "day",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
46 "w": "week",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
47 "mo": "month",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
48 "y": "year",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
49 "yr": "year",
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
50 }
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
51 YEAR_FIRST_RE = re.compile(r"\d{4}[^\d]+")
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
52 TZ_UTC = tz.tzutc()
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
53 TZ_LOCAL = tz.gettz()
2825
1b6547fb80da tools(common/date_utils): fixed order on year first + set default date for date_parse
Goffi <goffi@goffi.org>
parents: 2797
diff changeset
54 # used to replace values when something is missing
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
55 DEFAULT_DATETIME = datetime.datetime(2000, 0o1, 0o1)
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
56
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
57
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
58 def date_parse(value, default_tz=TZ_UTC):
2612
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
59 """Parse a date and return corresponding unix timestamp
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
60
2797
7968c8b7b5e1 tools (common): fixed dateutil.parser import
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
61 @param value(unicode): date to parse, in any format supported by parser
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
62 @param default_tz(datetime.tzinfo): default timezone
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
63 @return (int): timestamp
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
64 """
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
65 value = str(value).strip()
2825
1b6547fb80da tools(common/date_utils): fixed order on year first + set default date for date_parse
Goffi <goffi@goffi.org>
parents: 2797
diff changeset
66 dayfirst = False if YEAR_FIRST_RE.match(value) else True
1b6547fb80da tools(common/date_utils): fixed order on year first + set default date for date_parse
Goffi <goffi@goffi.org>
parents: 2797
diff changeset
67
3629
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
68 try:
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
69 dt = default_tzinfo(
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
70 parser.parse(value, default=DEFAULT_DATETIME, dayfirst=dayfirst),
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
71 default_tz)
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
72 except ParserError as e:
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
73 if value == "now":
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
74 dt = datetime.datetime.now(tz.tzutc())
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
75 else:
025ea418032f tools (common/date_utils): parse `now` alone (when used without relative delta)
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
76 raise e
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
77 return calendar.timegm(dt.utctimetuple())
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
78
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
79 def date_parse_ext(value, default_tz=TZ_UTC):
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
80 """Extended date parse which accept relative date
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
81
2797
7968c8b7b5e1 tools (common): fixed dateutil.parser import
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
82 @param value(unicode): date to parse, in any format supported by parser
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
83 and with the hability to specify X days/weeks/months/years in the past or future.
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
84 Relative date are specified either with something like `[main_date] +1 week`
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
85 or with something like `3 days ago`, and it is case insensitive. [main_date] is
2797
7968c8b7b5e1 tools (common): fixed dateutil.parser import
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
86 a date parsable by parser, or empty to specify current date/time.
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
87 "now" can also be used to specify current date/time.
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
88 @param default_tz(datetime.tzinfo): same as for date_parse
2612
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
89 @return (int): timestamp
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
90 """
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
91 m = RELATIVE_RE.match(value)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
92 if m is None:
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
93 return date_parse(value, default_tz=default_tz)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
94
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
95 if m.group("direction") and m.group("ago"):
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
96 raise ValueError(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
97 _("You can't use a direction (+ or -) and \"ago\" at the same time"))
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
98
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
99 if m.group("direction") == '-' or m.group("ago"):
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
100 direction = -1
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
101 else:
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
102 direction = 1
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
103
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
104 date = m.group("date").strip().lower()
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
105 if not date or date == "now":
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
106 dt = datetime.datetime.now(tz.tzutc())
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
107 else:
3599
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
108 dt = default_tzinfo(parser.parse(date, dayfirst=True), default_tz)
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
109
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2825
diff changeset
110 quantity = int(m.group("quantity"))
3599
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
111 unit = m.group("unit").lower()
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
112 try:
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
113 unit = TIME_SYMBOL_MAP[unit]
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
114 except KeyError:
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
115 pass
ab1fe6b25631 tools (common/date_utils): accept more units (shortcuts) + fix timezone when date with relative delta is used
Goffi <goffi@goffi.org>
parents: 3518
diff changeset
116 delta_kw = {f"{unit}s": direction * quantity}
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
117 dt = dt + relativedelta(**delta_kw)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
118 return calendar.timegm(dt.utctimetuple())
2612
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
119
3e4e78de9cca tools (date_utils): moved date_parse to common.date_utils, because it can be used in frontends
Goffi <goffi@goffi.org>
parents: 2599
diff changeset
120
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
121 def date_fmt(timestamp, fmt="short", date_only=False, auto_limit=7, auto_old_fmt="short",
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
122 auto_new_fmt="relative", locale_str=C.DEFAULT_LOCALE, tz_info=TZ_UTC):
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
123 """format date according to locale
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
124
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
125 @param timestamp(basestring, float): unix time
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
126 @param fmt(str): one of:
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
127 - short: e.g. u'31/12/17'
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
128 - medium: e.g. u'Apr 1, 2007'
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
129 - long: e.g. u'April 1, 2007'
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
130 - full: e.g. u'Sunday, April 1, 2007'
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
131 - relative: format in relative time
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
132 e.g.: 3 hours
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
133 note that this format is not precise
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
134 - iso: ISO 8601 format
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
135 e.g.: u'2007-04-01T19:53:23Z'
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
136 - auto: use auto_old_fmt if date is older than auto_limit
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
137 else use auto_new_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
138 - auto_day: shorcut to set auto format with change on day
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
139 old format will be short, and new format will be time only
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
140 or a free value which is passed to babel.dates.format_datetime
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
141 (see http://babel.pocoo.org/en/latest/dates.html?highlight=pattern#pattern-syntax)
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
142 @param date_only(bool): if True, only display date (not datetime)
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
143 @param auto_limit (int): limit in days before using auto_old_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
144 use 0 to have a limit at last midnight (day change)
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
145 @param auto_old_fmt(unicode): format to use when date is older than limit
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
146 @param auto_new_fmt(unicode): format to use when date is equal to or more recent
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
147 than limit
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
148 @param locale_str(unicode): locale to use (as understood by babel)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
149 @param tz_info(datetime.tzinfo): time zone to use
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
150
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
151 """
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
152 timestamp = float(timestamp)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
153 if fmt == "auto_day":
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
154 fmt, auto_limit, auto_old_fmt, auto_new_fmt = "auto", 0, "short", "HH:mm"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
155 if fmt == "auto":
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
156 if auto_limit == 0:
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
157 now = datetime.datetime.now(tz_info)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
158 # we want to use given tz_info, so we don't use date() or today()
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
159 today = datetime.datetime(year=now.year, month=now.month, day=now.day,
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
160 tzinfo=now.tzinfo)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
161 today = calendar.timegm(today.utctimetuple())
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
162 if timestamp < today:
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
163 fmt = auto_old_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
164 else:
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
165 fmt = auto_new_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
166 else:
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
167 days_delta = (time.time() - timestamp) / 3600
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
168 if days_delta > (auto_limit or 7):
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
169 fmt = auto_old_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
170 else:
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
171 fmt = auto_new_fmt
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
172
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
173 if fmt == "relative":
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
174 delta = timestamp - time.time()
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
175 return dates.format_timedelta(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
176 delta, granularity="minute", add_direction=True, locale=locale_str
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
177 )
3518
b258dce27d6d tools (common/date_utils): fix `date_only` for `short`, `long` and `full` format
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
178 elif fmt in ("short", "long", "full"):
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
179 if date_only:
3518
b258dce27d6d tools (common/date_utils): fix `date_only` for `short`, `long` and `full` format
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
180 dt = datetime.datetime.fromtimestamp(timestamp, tz_info)
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
181 return dates.format_date(dt, format=fmt, locale=locale_str)
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
182 else:
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
183 return dates.format_datetime(timestamp, format=fmt, locale=locale_str,
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
184 tzinfo=tz_info)
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
185 elif fmt == "iso":
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
186 if date_only:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
187 fmt = "yyyy-MM-dd"
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
188 else:
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
189 fmt = "yyyy-MM-ddTHH:mm:ss'Z'"
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
190 return dates.format_datetime(timestamp, format=fmt)
2599
5b26033c49a8 tools (common): moved date_fmt function from template filters to new date_utils module, so it can be used everywhere.
Goffi <goffi@goffi.org>
parents:
diff changeset
191 else:
2703
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
192 return dates.format_datetime(timestamp, format=fmt, locale=locale_str,
3ba53b1cd1e6 tools (common/date_utils): date_parse_ext + timezone handling:
Goffi <goffi@goffi.org>
parents: 2624
diff changeset
193 tzinfo=tz_info)