1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
__all__ = [
'CountryNameVocabulary',
'LanguageVocabulary',
'TimezoneNameVocabulary',
]
__metaclass__ = type
import pytz
from sqlobject import (
SQLObjectNotFound,
)
from zope.interface import alsoProvides
from zope.schema.vocabulary import (
SimpleTerm,
SimpleVocabulary,
)
from canonical.lazr.interfaces.timezone import ITimezoneNameVocabulary
from canonical.launchpad.webapp.vocabulary import (
SQLObjectVocabularyBase,
)
from lp.services.worlddata.interfaces.language import ILanguage
from lp.services.worlddata.model.country import Country
from lp.services.worlddata.model.language import Language
# create a sorted list of the common time zone names, with UTC at the start
_values = sorted(pytz.common_timezones)
_values.remove('UTC')
_values.insert(0, 'UTC')
_timezone_vocab = SimpleVocabulary.fromValues(_values)
alsoProvides(_timezone_vocab, ITimezoneNameVocabulary)
del _values
def TimezoneNameVocabulary(context=None):
return _timezone_vocab
# Country.name may have non-ASCII characters, so we can't use
# NamedSQLObjectVocabulary here.
class CountryNameVocabulary(SQLObjectVocabularyBase):
"""A vocabulary for country names."""
_table = Country
_orderBy = 'name'
def toTerm(self, obj):
return SimpleTerm(obj, obj.id, obj.name)
class LanguageVocabulary(SQLObjectVocabularyBase):
"""All the languages known by Launchpad."""
_table = Language
_orderBy = 'englishname'
def __contains__(self, language):
"""See `IVocabulary`."""
assert ILanguage.providedBy(language), (
"'in LanguageVocabulary' requires ILanguage as left operand, "
"got %s instead." % type(language))
return super(LanguageVocabulary, self).__contains__(language)
def toTerm(self, obj):
"""See `IVocabulary`."""
return SimpleTerm(obj, obj.code, obj.displayname)
def getTerm(self, obj):
"""See `IVocabulary`."""
if obj not in self:
raise LookupError(obj)
return SimpleTerm(obj, obj.code, obj.displayname)
def getTermByToken(self, token):
"""See `IVocabulary`."""
try:
found_language = Language.byCode(token)
except SQLObjectNotFound:
raise LookupError(token)
return self.getTerm(found_language)
|