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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
|
# vim:fileencoding=utf-8
"""pycountry"""
import os.path
import unicodedata
import pycountry.db
try:
import pkg_resources
resource_filename = pkg_resources.resource_filename
__version__ = pkg_resources.get_distribution("pycountry").version
except (ImportError, pkg_resources.DistributionNotFound):
__version__ = 'n/a'
def resource_filename(package_or_requirement, resource_name):
return os.path.join(os.path.dirname(__file__), resource_name)
LOCALES_DIR = resource_filename('pycountry', 'locales')
DATABASE_DIR = resource_filename('pycountry', 'databases')
def remove_accents(input_str):
# Borrowed from https://stackoverflow.com/a/517974/1509718
nfkd_form = unicodedata.normalize('NFKD', input_str)
return u"".join([c for c in nfkd_form if not unicodedata.combining(c)])
class ExistingCountries(pycountry.db.Database):
"""Provides access to an ISO 3166 database (Countries)."""
data_class_name = 'Country'
root_key = '3166-1'
def search_fuzzy(self, query):
query = remove_accents(query.strip().lower())
# A country-code to points mapping for later sorting countries
# based on the query's matching incidence.
results = {}
def add_result(country, points):
results.setdefault(country.alpha_2, 0)
results[country.alpha_2] += points
# Prio 1: exact matches on country names
try:
add_result(self.lookup(query), 50)
except LookupError:
pass
# Prio 2: exact matches on subdivision names
for candidate in subdivisions:
for v in candidate._fields.values():
if v is None:
continue
v = remove_accents(v.lower())
# Some names include alternative versions which we want to
# match exactly.
for v in v.split(';'):
if v == query:
add_result(candidate.country, 49)
break
# Prio 3: partial matches on country names
for candidate in self:
# Higher priority for a match on the common name
for v in [candidate._fields.get('name'),
candidate._fields.get('official_name'),
candidate._fields.get('comment')]:
if v is None:
continue
v = remove_accents(v.lower())
if query in v:
# This prefers countries with a match early in their name
# and also balances against countries with a number of
# partial matches and their name containing 'new' in the
# middle
add_result(candidate, max([5, 30-(2*v.find(query))]))
break
# Prio 4: partial matches on subdivision names
for candidate in subdivisions:
v = candidate._fields.get('name')
if v is None:
continue
v = remove_accents(v.lower())
if query in v:
add_result(candidate.country, max([1, 5-v.find(query)]))
if not results:
raise LookupError(query)
results = [
self.get(alpha_2=x[0])
# sort by points first, by alpha2 code second, and to ensure stable
# results the negative value allows us to sort reversely on the
# points but ascending on the country code.
for x in sorted(results.items(),
key=lambda x: (-x[1], x[0]))]
return results
class HistoricCountries(ExistingCountries):
"""Provides access to an ISO 3166-3 database
(Countries that have been removed from the standard)."""
data_class_name = 'Country'
root_key = '3166-3'
class Scripts(pycountry.db.Database):
"""Provides access to an ISO 15924 database (Scripts)."""
data_class_name = 'Script'
root_key = '15924'
class Currencies(pycountry.db.Database):
"""Provides access to an ISO 4217 database (Currencies)."""
data_class_name = 'Currency'
root_key = '4217'
class Languages(pycountry.db.Database):
"""Provides access to an ISO 639-1/2T/3 database (Languages)."""
no_index = ['status', 'scope', 'type', 'inverted_name', 'common_name']
data_class_name = 'Language'
root_key = '639-3'
class LanguageFamilies(pycountry.db.Database):
"""Provides access to an ISO 639-5 database
(Language Families and Groups)."""
data_class_name = 'LanguageFamily'
root_key = '639-5'
class Subdivision(pycountry.db.Data):
def __init__(self, **kw):
if 'parent' in kw:
kw['parent_code'] = kw['parent']
else:
kw['parent_code'] = None
super(Subdivision, self).__init__(**kw)
self.country_code = self.code.split('-')[0]
if self.parent_code is not None:
self.parent_code = '%s-%s' % (self.country_code, self.parent_code)
@property
def country(self):
return countries.get(alpha_2=self.country_code)
@property
def parent(self):
if not self.parent_code:
return None
return subdivisions.get(code=self.parent_code)
class Subdivisions(pycountry.db.Database):
# Note: subdivisions can be hierarchical to other subdivisions. The
# parent_code attribute is related to other subdivisons, *not*
# the country!
data_class_base = Subdivision
data_class_name = 'Subdivision'
no_index = ['name', 'parent_code', 'parent', 'type']
root_key = '3166-2'
def _load(self, *args, **kw):
super(Subdivisions, self)._load(*args, **kw)
# Add index for the country code.
self.indices['country_code'] = {}
for subdivision in self:
divs = self.indices['country_code'].setdefault(
subdivision.country_code.lower(), set())
divs.add(subdivision)
def get(self, **kw):
default = kw.setdefault('default', None)
subdivisions = super(Subdivisions, self).get(**kw)
if subdivisions is default and 'country_code' in kw:
# This handles the case where we know about a country but there
# are no subdivisions: we return an empty list in this case
# (sticking to the expected type here) instead of None.
if countries.get(alpha_2=kw['country_code']) is not None:
return []
return subdivisions
countries = ExistingCountries(os.path.join(DATABASE_DIR, 'iso3166-1.json'))
subdivisions = Subdivisions(os.path.join(DATABASE_DIR, 'iso3166-2.json'))
historic_countries = HistoricCountries(
os.path.join(DATABASE_DIR, 'iso3166-3.json'))
currencies = Currencies(os.path.join(DATABASE_DIR, 'iso4217.json'))
languages = Languages(os.path.join(DATABASE_DIR, 'iso639-3.json'))
language_families = LanguageFamilies(
os.path.join(DATABASE_DIR, 'iso639-5.json'))
scripts = Scripts(os.path.join(DATABASE_DIR, 'iso15924.json'))
|
