Merge ~cjwatson/launchpad:services-worlddata-future-imports into launchpad:master

[Colin Watson]

Convert lp.services.worlddata to preferred __future__ imports

[Thiago F. Pappacena (pappacena)]

LGTM

review: Approve

diff --git a/lib/lp/services/worlddata/browser/country.py b/lib/lp/services/worlddata/browser/country.py
index 61cb1be..0641ff1 100644
--- a/lib/lp/services/worlddata/browser/country.py
+++ b/lib/lp/services/worlddata/browser/country.py
@@ -1,6 +1,8 @@
 # Copyright 2010 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 from lp.services.webapp import GetitemNavigation
 from lp.services.worlddata.interfaces.country import ICountrySet
 
diff --git a/lib/lp/services/worlddata/doc/language.txt b/lib/lp/services/worlddata/doc/language.txt
index fdca7f3..4e36fd2 100644
--- a/lib/lp/services/worlddata/doc/language.txt
+++ b/lib/lp/services/worlddata/doc/language.txt
@@ -24,12 +24,12 @@ canonicalise_language_code
 
 We can convert language codes to standard form.
 
-  >>> language_set.canonicalise_language_code('pt')
-  'pt'
-  >>> language_set.canonicalise_language_code('pt_BR')
-  'pt_BR'
-  >>> language_set.canonicalise_language_code('pt-br')
-  'pt_BR'
+  >>> print(language_set.canonicalise_language_code('pt'))
+  pt
+  >>> print(language_set.canonicalise_language_code('pt_BR'))
+  pt_BR
+  >>> print(language_set.canonicalise_language_code('pt-br'))
+  pt_BR
 
 codes_to_languages
 ==================
@@ -50,9 +50,9 @@ createLanguage
 This method creates a new language.
 
   >>> foos = language_set.createLanguage('foos', 'Foo language')
-  >>> print foos.code
+  >>> print(foos.code)
   foos
-  >>> print foos.englishname
+  >>> print(foos.englishname)
   Foo language
 
 search
@@ -62,7 +62,7 @@ We are able to search languages with this method.
 
   >>> languages = language_set.search('Spanish')
   >>> for language in languages:
-  ...     print language.code, language.englishname
+  ...     print(language.code, language.englishname)
   es Spanish
   es_AR Spanish (Argentina)
   es_BO Spanish (Bolivia)
@@ -90,7 +90,7 @@ It's case insensitive:
 
   >>> languages = language_set.search('spanish')
   >>> for language in languages:
-  ...     print language.code, language.englishname
+  ...     print(language.code, language.englishname)
   es Spanish
   es_AR Spanish (Argentina)
   es_BO Spanish (Bolivia)
@@ -118,7 +118,7 @@ And it even does substring searching!
 
   >>> languages = language_set.search('panis')
   >>> for language in languages:
-  ...     print language.code, language.englishname
+  ...     print(language.code, language.englishname)
   es Spanish
   es_AR Spanish (Argentina)
   es_BO Spanish (Bolivia)
@@ -147,14 +147,14 @@ matching any string:
 
   >>> languages = language_set.search('%')
   >>> for language in languages:
-  ...     print language.code, language.englishname
+  ...     print(language.code, language.englishname)
 
 Or '_', which means any character match, but we only get strings
 that contain the 'e_' substring:
 
   >>> languages = language_set.search('e_')
   >>> for language in languages:
-  ...     print language.code, language.englishname
+  ...     print(language.code, language.englishname)
   de_AT German (Austria)
   de_BE German (Belgium)
   de_DE German (Germany)
@@ -177,23 +177,23 @@ second language. They might not be perfect but they are useful nonetheless.
 pt_BR is not a descendent of pt:
 
     >>> pt_BR = language_set.getLanguageByCode('pt_BR')
-    >>> print pt_BR.alt_suggestion_language
+    >>> print(pt_BR.alt_suggestion_language)
     None
 
 However, es_MX would find es useful:
 
     >>> language = language_set.getLanguageByCode('es_MX')
-    >>> print language.alt_suggestion_language.code
+    >>> print(language.alt_suggestion_language.code)
     es
 
 And Nynorsk and Bokmal have a special relationship:
 
     >>> language = language_set.getLanguageByCode('nn')
-    >>> print language.alt_suggestion_language.code
+    >>> print(language.alt_suggestion_language.code)
     nb
 
     >>> language = language_set.getLanguageByCode('nb')
-    >>> print language.alt_suggestion_language.code
+    >>> print(language.alt_suggestion_language.code)
     nn
 
 English and non-visible languages are not translatable, so there
@@ -224,7 +224,7 @@ represent, for instance pt_BR, when used on web pages, it should use
 instead a dash char. This method does it automatically:
 
   >>> pt_BR = language_set.getLanguageByCode('pt_BR')
-  >>> print pt_BR.dashedcode
+  >>> print(pt_BR.dashedcode)
   pt-BR
 
 
@@ -271,7 +271,7 @@ have the language among their preferred languages.
   ...                    karmavalue=40)
   >>> switch_dbuser('launchpad')
   >>> for translator in sr.translators:
-  ...   print translator.name
+  ...   print(translator.name)
   serbian-translator-karma-40
   serbian-translator-karma-30
   serbian-translator-karma-20
@@ -286,7 +286,7 @@ Property holding a list of countries a language is spoken in, and allowing
 reading and setting them.
 
   >>> es = language_set.getLanguageByCode('es')
-  >>> print [country.name for country in es.countries]
+  >>> print([country.name for country in es.countries])
   [u'Argentina', u'Bolivia', u'Chile', u'Colombia', u'Costa Rica',
    u'Dominican Republic', u'Ecuador', u'El Salvador', u'Guatemala',
    u'Honduras', u'Mexico', u'Nicaragua', u'Panama', u'Paraguay', u'Peru',
@@ -298,7 +298,7 @@ We can add countries using `ILanguage.addCountry` method.
   >>> country_set = getUtility(ICountrySet)
   >>> germany = country_set['DE']
   >>> es.addCountry(germany)
-  >>> print [country.name for country in es.countries]
+  >>> print([country.name for country in es.countries])
   [u'Argentina', u'Bolivia', u'Chile', u'Colombia', u'Costa Rica',
    u'Dominican Republic', u'Ecuador', u'El Salvador', u'Germany', u'Guatemala',
    u'Honduras', u'Mexico', u'Nicaragua', u'Panama', u'Paraguay', u'Peru',
@@ -308,7 +308,7 @@ Or, we can remove countries using `ILanguage.removeCountry` method.
 
   >>> argentina = country_set['AR']
   >>> es.removeCountry(argentina)
-  >>> print [country.name for country in es.countries]
+  >>> print([country.name for country in es.countries])
   [u'Bolivia', u'Chile', u'Colombia', u'Costa Rica', u'Dominican Republic',
    u'Ecuador', u'El Salvador', u'Germany', u'Guatemala', u'Honduras',
    u'Mexico', u'Nicaragua', u'Panama', u'Paraguay', u'Peru', u'Puerto Rico',
@@ -319,5 +319,5 @@ but we need to log in as a translations administrator first.
 
   >>> login('[e-mail]')
   >>> es.countries = set([argentina, germany])
-  >>> print [country.name for country in es.countries]
+  >>> print([country.name for country in es.countries])
   [u'Argentina', u'Germany']
diff --git a/lib/lp/services/worlddata/doc/vocabularies.txt b/lib/lp/services/worlddata/doc/vocabularies.txt
index 2800395..ab100ea 100644
--- a/lib/lp/services/worlddata/doc/vocabularies.txt
+++ b/lib/lp/services/worlddata/doc/vocabularies.txt
@@ -34,20 +34,20 @@ All the languages known by Launchpad.
 
     >>> es = language_set['es']
     >>> term = language_vocabulary.getTerm(es)
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     es Spanish (es) Spanish (es)
 
     >>> pt_BR = language_set['pt_BR']
     >>> term = language_vocabulary.getTerm(pt_BR)
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     pt_BR Portuguese (Brazil) (pt_BR) Portuguese (Brazil) (pt_BR)
 
     >>> term = language_vocabulary.getTermByToken('es')
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     es Spanish (es) Spanish (es)
 
     >>> term = language_vocabulary.getTermByToken('pt_BR')
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     pt_BR Portuguese (Brazil) (pt_BR) Portuguese (Brazil) (pt_BR)
 
 A language token/code may not be used with 'in' tests.
@@ -81,20 +81,20 @@ when the language is not English and is visible.
 
     >>> es = language_set['es']
     >>> term = translatable_language_vocabulary.getTerm(es)
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     es Spanish (es) Spanish (es)
 
     >>> pt_BR = language_set['pt_BR']
     >>> term = translatable_language_vocabulary.getTerm(pt_BR)
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     pt_BR Portuguese (Brazil) (pt_BR) Portuguese (Brazil) (pt_BR)
 
     >>> term = translatable_language_vocabulary.getTermByToken('es')
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     es Spanish (es) Spanish (es)
 
     >>> term = translatable_language_vocabulary.getTermByToken('pt_BR')
-    >>> print term.token, term.value.displayname, term.title
+    >>> print(term.token, term.value.displayname, term.title)
     pt_BR Portuguese (Brazil) (pt_BR) Portuguese (Brazil) (pt_BR)
 
     >>> es in translatable_language_vocabulary
diff --git a/lib/lp/services/worlddata/helpers.py b/lib/lp/services/worlddata/helpers.py
index 18c38c4..4c7643d 100644
--- a/lib/lp/services/worlddata/helpers.py
+++ b/lib/lp/services/worlddata/helpers.py
@@ -3,6 +3,8 @@
 
 """Worlddata helper functions."""
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 __all__ = [
     'browser_languages',
diff --git a/lib/lp/services/worlddata/interfaces/country.py b/lib/lp/services/worlddata/interfaces/country.py
index a7e087a..1ded91a 100644
--- a/lib/lp/services/worlddata/interfaces/country.py
+++ b/lib/lp/services/worlddata/interfaces/country.py
@@ -3,6 +3,8 @@
 
 """Country interfaces."""
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 
 __all__ = [
diff --git a/lib/lp/services/worlddata/interfaces/language.py b/lib/lp/services/worlddata/interfaces/language.py
index a283c97..c2ba6af 100644
--- a/lib/lp/services/worlddata/interfaces/language.py
+++ b/lib/lp/services/worlddata/interfaces/language.py
@@ -3,6 +3,8 @@
 
 """Language interfaces."""
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 
 __all__ = [
diff --git a/lib/lp/services/worlddata/interfaces/spokenin.py b/lib/lp/services/worlddata/interfaces/spokenin.py
index d9d5818..6546067 100644
--- a/lib/lp/services/worlddata/interfaces/spokenin.py
+++ b/lib/lp/services/worlddata/interfaces/spokenin.py
@@ -5,6 +5,8 @@
 countries..
 """
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 
 __all__ = ['ISpokenIn']
diff --git a/lib/lp/services/worlddata/interfaces/timezone.py b/lib/lp/services/worlddata/interfaces/timezone.py
index 435e503..25ed2ab 100644
--- a/lib/lp/services/worlddata/interfaces/timezone.py
+++ b/lib/lp/services/worlddata/interfaces/timezone.py
@@ -1,6 +1,8 @@
 # Copyright 2009 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 __all__ = [
     'ITimezoneNameVocabulary',
diff --git a/lib/lp/services/worlddata/interfaces/webservice.py b/lib/lp/services/worlddata/interfaces/webservice.py
index 009ffca..dc3b900 100644
--- a/lib/lp/services/worlddata/interfaces/webservice.py
+++ b/lib/lp/services/worlddata/interfaces/webservice.py
@@ -9,6 +9,8 @@ There is a declaration in ZCML somewhere that looks like:
 which tells `lazr.restful` that it should look for webservice exports here.
 """
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __all__ = [
      'ICountry',
      'ICountrySet',
diff --git a/lib/lp/services/worlddata/model/country.py b/lib/lp/services/worlddata/model/country.py
index 55ca6dd..387a84a 100644
--- a/lib/lp/services/worlddata/model/country.py
+++ b/lib/lp/services/worlddata/model/country.py
@@ -1,9 +1,12 @@
 # Copyright 2009 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 __all__ = ['Country', 'CountrySet', 'Continent']
 
+import six
 from sqlobject import (
     ForeignKey,
     SQLRelatedJoin,
@@ -42,8 +45,8 @@ class Country(SQLBase):
     continent = ForeignKey(
         dbName='continent', foreignKey='Continent', default=None)
     languages = SQLRelatedJoin(
-        'Language', joinColumn='country', otherColumn='language',
-        intermediateTable='SpokenIn')
+        six.ensure_str('Language'), joinColumn='country',
+        otherColumn='language', intermediateTable='SpokenIn')
 
 
 @implementer(ICountrySet)
diff --git a/lib/lp/services/worlddata/model/language.py b/lib/lp/services/worlddata/model/language.py
index 245a686..9142207 100644
--- a/lib/lp/services/worlddata/model/language.py
+++ b/lib/lp/services/worlddata/model/language.py
@@ -2,6 +2,8 @@
 # the GNU Affero General Public License version 3 (see the file
 # LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 __all__ = [
     'Language',
@@ -67,12 +69,12 @@ class Language(SQLBase):
         default=TextDirection.LTR)
 
     translation_teams = SQLRelatedJoin(
-        'Person', joinColumn="language",
+        six.ensure_str('Person'), joinColumn="language",
         intermediateTable='Translator', otherColumn='translator')
 
     _countries = SQLRelatedJoin(
-        'Country', joinColumn='language', otherColumn='country',
-        intermediateTable='SpokenIn')
+        six.ensure_str('Country'), joinColumn='language',
+        otherColumn='country', intermediateTable='SpokenIn')
 
     # Define a read/write property `countries` so it can be passed
     # to language administration `LaunchpadFormView`.
diff --git a/lib/lp/services/worlddata/model/spokenin.py b/lib/lp/services/worlddata/model/spokenin.py
index ab51568..6d2f06c 100644
--- a/lib/lp/services/worlddata/model/spokenin.py
+++ b/lib/lp/services/worlddata/model/spokenin.py
@@ -1,6 +1,8 @@
 # Copyright 2009 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 __all__ = ['SpokenIn']
 
diff --git a/lib/lp/services/worlddata/stories/webservice/xx-country.txt b/lib/lp/services/worlddata/stories/webservice/xx-country.txt
index 05d8db0..d2aba2d 100644
--- a/lib/lp/services/worlddata/stories/webservice/xx-country.txt
+++ b/lib/lp/services/worlddata/stories/webservice/xx-country.txt
@@ -4,7 +4,7 @@ At the top level we provide the collection of all countries.
 
     >>> countries = webservice.get("/+countries").jsonBody()
     >>> for entry in countries['entries']:
-    ...     print entry['self_link']
+    ...     print(entry['self_link'])
     http://.../+countries/AD
     http://.../+countries/AE
     http://.../+countries/AF
@@ -28,7 +28,7 @@ And for every country we publish most of its attributes.
 Make sure that invalid countries return 404s and not OOPSes.
 
     >>> bogus_country = "http://api.launchpad.test/beta/+countries/bogus"
-    >>> print webservice.get(bogus_country)
+    >>> print(webservice.get(bogus_country))
     HTTP/1.1 404 Not Found
     ...
     Object: ..., name: u'bogus'
@@ -40,7 +40,7 @@ Make sure that invalid countries return 404s and not OOPSes.
     >>> uk = webservice.named_get(
     ...     '/+countries', 'getByName',
     ...     name='United Kingdom').jsonBody()
-    >>> print uk['self_link']
+    >>> print(uk['self_link'])
     http://.../+countries/GB
 
 Ensure that unknown/non-existent countries return a None and not an OOPS:
@@ -48,7 +48,7 @@ Ensure that unknown/non-existent countries return a None and not an OOPS:
     >>> bogus_country_by_name = webservice.named_get(
     ...     '/+countries', 'getByName',
     ...     name='Klingon Land').jsonBody()
-    >>> print bogus_country_by_name
+    >>> print(bogus_country_by_name)
     None
 
 
@@ -57,7 +57,7 @@ Ensure that unknown/non-existent countries return a None and not an OOPS:
     >>> au = webservice.named_get(
     ...     '/+countries', 'getByCode',
     ...     code='AU').jsonBody()
-    >>> print au['self_link']
+    >>> print(au['self_link'])
     http://.../+countries/AU
 
 Ensure that unknown/non-existent country codes return a None and not an OOPS:
@@ -65,5 +65,5 @@ Ensure that unknown/non-existent country codes return a None and not an OOPS:
     >>> bogus_country_by_code = webservice.named_get(
     ...     '/+countries', 'getByCode',
     ...     code='TEST').jsonBody()
-    >>> print bogus_country_by_code
+    >>> print(bogus_country_by_code)
     None
diff --git a/lib/lp/services/worlddata/stories/webservice/xx-language.txt b/lib/lp/services/worlddata/stories/webservice/xx-language.txt
index 05401ce..56484ae 100644
--- a/lib/lp/services/worlddata/stories/webservice/xx-language.txt
+++ b/lib/lp/services/worlddata/stories/webservice/xx-language.txt
@@ -10,19 +10,19 @@ The language information from Launchpad can be queried using
     >>> es = anon_webservice.get('/+languages/es').jsonBody()
     >>> es['resource_type_link']
     u'http.../#language'
-    >>> print es['text_direction']
+    >>> print(es['text_direction'])
     Left to Right
-    >>> print es['code']
+    >>> print(es['code'])
     es
-    >>> print es['english_name']
+    >>> print(es['english_name'])
     Spanish
-    >>> print es['plural_expression']
+    >>> print(es['plural_expression'])
     n != 1
-    >>> print es['plural_forms']
+    >>> print(es['plural_forms'])
     2
-    >>> print es['translators_count']
+    >>> print(es['translators_count'])
     1
-    >>> print es['visible']
+    >>> print(es['visible'])
     True
 
 
@@ -45,7 +45,7 @@ at '/+languages'.
     >>> default_languages['resource_type_link']
         u'http.../#languages'
     >>> languages = get_languages_entries(default_languages)
-    >>> print languages
+    >>> print(languages)
     Abkhazian
     ...
     >>> '(hidden)' in languages
@@ -60,7 +60,7 @@ default.
     ...     '/+languages?'
     ...     'ws.op=getAllLanguages&ws.start=0&ws.size=10'
     ...     ).jsonBody()
-    >>> print get_languages_entries(all_languages)
+    >>> print(get_languages_entries(all_languages))
     Abkhazian
     ...
     Afar (Djibouti)(hidden)
diff --git a/lib/lp/services/worlddata/tests/test_doc.py b/lib/lp/services/worlddata/tests/test_doc.py
index 3754618..39f6412 100644
--- a/lib/lp/services/worlddata/tests/test_doc.py
+++ b/lib/lp/services/worlddata/tests/test_doc.py
@@ -5,10 +5,13 @@
 Run the doctests and pagetests.
 """
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 import os
 
 from lp.services.testing import build_test_suite
 from lp.testing.layers import LaunchpadZopelessLayer
+from lp.testing.pages import setUpGlobs
 from lp.testing.systemdocs import (
     LayeredDocFileSuite,
     setUp,
@@ -21,9 +24,11 @@ special = {
     'language.txt': LayeredDocFileSuite(
         '../doc/language.txt',
         layer=LaunchpadZopelessLayer,
-        setUp=setUp, tearDown=tearDown),
+        setUp=lambda test: setUp(test, future=True), tearDown=tearDown),
     }
 
 
 def test_suite():
-    return build_test_suite(here, special)
+    return build_test_suite(
+        here, special, setUp=lambda test: setUp(test, future=True),
+        pageTestsSetUp=lambda test: setUpGlobs(test, future=True))
diff --git a/lib/lp/services/worlddata/tests/test_helpers.py b/lib/lp/services/worlddata/tests/test_helpers.py
index a129604..a3b8429 100644
--- a/lib/lp/services/worlddata/tests/test_helpers.py
+++ b/lib/lp/services/worlddata/tests/test_helpers.py
@@ -1,6 +1,8 @@
 # Copyright 2011 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 from doctest import DocTestSuite
 import unittest
 
@@ -119,8 +121,8 @@ def test_preferred_or_request_languages():
     >>> languages = preferred_or_request_languages(DummyRequest())
     >>> len(languages)
     1
-    >>> languages[0].code
-    'es'
+    >>> print(languages[0].code)
+    es
 
     >>> tearDown()
 
@@ -141,8 +143,8 @@ def test_preferred_or_request_languages():
     >>> languages = preferred_or_request_languages(DummyRequest())
     >>> len(languages)
     6
-    >>> languages[0].code
-    'ja'
+    >>> print(languages[0].code)
+    ja
 
     >>> tearDown()
     '''
diff --git a/lib/lp/services/worlddata/tests/test_language.py b/lib/lp/services/worlddata/tests/test_language.py
index b5eafea..797d3d2 100644
--- a/lib/lp/services/worlddata/tests/test_language.py
+++ b/lib/lp/services/worlddata/tests/test_language.py
@@ -1,6 +1,8 @@
 # Copyright 2010 Canonical Ltd.  This software is licensed under the
 # GNU Affero General Public License version 3 (see the file LICENSE).
 
+from __future__ import absolute_import, print_function, unicode_literals
+
 __metaclass__ = type
 
 from lazr.lifecycle.interfaces import IDoNotSnapshot