def get_target_lang_from_request(request, default_locale='en'):
request_form = request.GET or request.POST
if request_form.has_key('lang') and request_form['lang'] != '':
return locale_to_lower_upper(request_form['lang'])
try:
if request.matchdict.has_key('target_lang'):
target_lang = request.matchdict['target_lang']
else:
header_value = request.accept_language.header_value
if ACCEPT_LANG_CACHE.has_key(header_value):
return ACCEPT_LANG_CACHE[header_value]
# clean the header into something we can use
accept_lang = []
for part in header_value.split(","):
try:
locale, quality = map(str.strip, part.split(";"))
quality = float(quality)
except ValueError:
locale = part.strip()
quality = 1
accept_lang.append((locale_to_lower_upper(locale), quality))
available = list(get_all_supported_languages())
def run_matches(accept_lang, available):
best = -1
target_lang = None
for locale, quality in accept_lang:
if quality > best and available.count(locale):
best = quality
target_lang = locale
return target_lang
# search for exact matches
target_lang = run_matches(accept_lang, available)
if not target_lang:
# search for near matches
reduced_accept = [(v.split("_")[0], q) for v, q in accept_lang]
reduced_available = [i.split("_")[0] for i in available]
target_lang = run_matches(reduced_accept, reduced_available)
except AttributeError:
# header was not defined
header_value = default_locale
target_lang = None
if not target_lang:
# screw it
target_lang = default_locale
try:
ACCEPT_LANG_CACHE[header_value] = target_lang
except NameError, e:
# We didn't set the header_value, so don't try to use it as a key
pass
def get_target_lang_from_request(request, default_locale='en'):
request_form = request.GET or request.POST
if request_form.has_key('lang') and request_form['lang'] != '':
return locale_to_lower_upper(request_form['lang'])
try:
if request.matchdict.has_key('target_lang'):
target_lang = request.matchdict['target_lang']
else:
header_value = request.accept_language.header_value
if ACCEPT_LANG_CACHE.has_key(header_value):
return ACCEPT_LANG_CACHE[header_value]
# clean the header into something we can use
accept_lang = []
for part in header_value.split(","):
try:
locale, quality = map(str.strip, part.split(";"))
quality = float(quality)
except ValueError:
locale = part.strip()
quality = 1
accept_lang.append((locale_to_lower_upper(locale), quality))
available = list(get_all_supported_languages())
def run_matches(accept_lang, available):
best = -1
target_lang = None
for locale, quality in accept_lang:
if quality > best and available.count(locale):
best = quality
target_lang = locale
return target_lang
# search for exact matches
target_lang = run_matches(accept_lang, available)
if not target_lang:
# search for near matches
reduced_accept = [(v.split("_")[0], q) for v,q in accept_lang]
reduced_available = [i.split("_")[0] for i in available]
target_lang = run_matches(reduced_accept, reduced_available)
except AttributeError:
# header was not defined
header_value = default_locale
target_lang = None
if not target_lang:
# screw it
target_lang = default_locale
try:
ACCEPT_LANG_CACHE[header_value] = target_lang
except NameError, e:
# We didn't set the header_value, so don't try to use it as a key
pass
def test_locale_to_lower_upper():
"""
Test cc.i18n.util.locale_to_lower_upper()
"""
assert util.locale_to_lower_upper("en") == "en"
assert util.locale_to_lower_upper("en_US") == "en_US"
assert util.locale_to_lower_upper("en-us") == "en_US"
# crazy renditions. Useful?
assert util.locale_to_lower_upper("en-US") == "en_US"
assert util.locale_to_lower_upper("en_us") == "en_US"
def test_locale_to_lower_upper():
"""
Test cc.i18n.util.locale_to_lower_upper()
"""
assert util.locale_to_lower_upper('en') == 'en'
assert util.locale_to_lower_upper('en_US') == 'en_US'
assert util.locale_to_lower_upper('en-us') == 'en_US'
# crazy renditions. Useful?
assert util.locale_to_lower_upper('en-US') == 'en_US'
assert util.locale_to_lower_upper('en_us') == 'en_US'
def active_languages():
"""Return a sequence of dicts, where each element consists of the
following keys:
* code: the language code
* name: the translated name of this language
for each available language."""
global _ACTIVE_LANGUAGES
if _ACTIVE_LANGUAGES:
return _ACTIVE_LANGUAGES
# get a list of avaialable translations
domain = base.queryUtility(ITranslationDomain,
ccorg_i18n_setup.I18N_DOMAIN)
lang_codes = set(domain.getCatalogsInfo().keys())
# determine the intersection of available translations and
# launched jurisdiction locales
launched_locales = set()
jurisdictions = cclicense_functions.get_valid_jurisdictions()
for jurisdiction in jurisdictions:
query_string = ('PREFIX dc: <http://purl.org/dc/elements/1.1/> '
'SELECT ?lang WHERE {'
' <%s> dc:language ?lang}') % jurisdiction
query = RDF.Query(str(query_string), query_language='sparql')
this_juri_locales = set([
locale_to_lower_upper(str(result['lang']))
for result in query.execute(rdf_helper.JURI_MODEL)
])
# Append those locales that are applicable to this domain
launched_locales.update(lang_codes.intersection(this_juri_locales))
# XXX: Have to hack in Esperanto here because it's technically an
# "Unported" language but there is no unported RDF jurisdiction in
# jurisdictions.rdf..
launched_locales.add('eo')
# make our sequence have a predictable order
launched_locales = list(launched_locales)
# this loop is long hand for clarity; it's only done once, so
# the additional performance cost should be negligible
result = []
for code in launched_locales:
if code == 'test': continue
gettext = ugettext_for_locale(negotiate_locale(code))
name = gettext(mappers.LANG_MAP[code])
result.append(dict(code=code, name=name))
result = sorted(result, key=lambda lang: lang['name'].lower())
_ACTIVE_LANGUAGES = result
return result
def legalcodes(self, language='en'):
"""
Return a list of
[(legalcode_uri, legalcode_lang, legalcode_lang_translated)]
for this license.
If this is a single-legalcode option, it'll probably return
[(legalcode_uri, None, None)]
"""
if self._legalcodes.has_key(language):
return self._legalcodes[language]
gettext = ugettext_for_locale(language)
legalcodes = set()
for legalcode, lang in rdf_helper.get_license_legalcodes(self.uri):
if lang is None:
translated_lang = None
# <terrible_fixable_hacks>
# We should probably add lang.sr_CYRL and lang.sr_LATN messages
elif lang == 'sr-Cyrl':
translated_lang = gettext('Serbian')
elif lang == 'sr-Latn':
translated_lang = 'srpski (latinica)'
# </terrible_fixable_hacks>
else:
translated_lang = gettext(
mappers.LANG_MAP[locale_to_lower_upper(lang)])
legalcodes.add((legalcode, lang, translated_lang))
self._legalcodes[language] = legalcodes
return legalcodes
def get_locale_file_from_locale(locale):
"""
Returns the path to the locale file as a string or None if
that file does not exist.
"""
language = locale_to_lower_upper(locale)
this_locale_filename = pkg_resources.resource_filename(
u'zope.i18n.locales', u'data/%s.xml' % language)
if os.path.exists(this_locale_filename):
return this_locale_filename
else:
return None
def get_locale_file_from_locale(locale):
"""
Returns the path to the locale file as a string or None if
that file does not exist.
"""
language = locale_to_lower_upper(locale)
this_locale_filename = pkg_resources.resource_filename(
u'zope.i18n.locales', u'data/%s.xml' % language)
if os.path.exists(this_locale_filename):
return this_locale_filename
else:
return None
def legalcodes(self, language='en'):
"""
Return a list of
[(legalcode_uri, legalcode_lang, legalcode_lang_translated)]
for this license.
If this is a single-legalcode option, it'll probably return
[(legalcode_uri, None, None)]
"""
if self._legalcodes.has_key(language):
return self._legalcodes[language]
gettext = ugettext_for_locale(language)
legalcodes = set()
for legalcode, lang in rdf_helper.get_license_legalcodes(self.uri):
if lang is None:
translated_lang = None
# <terrible_fixable_hacks>
# We should probably add lang.sr_CYRL and lang.sr_LATN messages
elif lang == 'sr-Cyrl':
translated_lang = gettext('Serbian')
elif lang == 'sr-Latn':
translated_lang = 'srpski (latinica)'
# </terrible_fixable_hacks>
else:
translated_lang = gettext(
mappers.LANG_MAP[locale_to_lower_upper(lang)])
legalcodes.add(
(legalcode, lang, translated_lang))
self._legalcodes[language] = legalcodes
return legalcodes
except AttributeError:
# header was not defined
header_value = default_locale
target_lang = None
if not target_lang:
# screw it
target_lang = default_locale
try:
ACCEPT_LANG_CACHE[header_value] = target_lang
except NameError, e:
# We didn't set the header_value, so don't try to use it as a key
pass
return locale_to_lower_upper(target_lang)
def generate_404_response(request, routing, environ, staticdirector):
"""
Create a 'nice looking' 404 response.
"""
request.matchdict = {}
request.urlgen = routes.URLGenerator(routing.mapping, environ)
request.staticdirect = staticdirector
target_lang = get_target_lang_from_request(request)
context = {'page_style': 'bare'}
context.update(rtl_context_stuff(target_lang))
def title(self, language='en'):
if self._titles is None:
self._titles = rdf_helper.get_titles(self.uri)
i18n_title = self._titles['x-i18n']
return inverse_translate(i18n_title, locale_to_lower_upper(language))
def license_deed_view(request):
"""
The main and major deed generating view.
"""
##########################
# Try and get the license.
##########################
license = by_code(request.matchdict['code'],
jurisdiction=request.matchdict.get('jurisdiction'),
version=request.matchdict.get('version'))
if not license:
license_versions = util.catch_license_versions_from_request(request)
if license_versions:
# If we can't get it, but others of that code exist, give
# a special 404.
return license_catcher(request)
else:
# Otherwise, give the normal 404.
return exc.HTTPNotFound()
####################
# Everything else ;)
####################
# "color" of the license; the color reflects the relative amount
# of freedom.
if license.license_code in ('devnations', 'sampling'):
color = 'red'
elif license.license_code.find('sampling') > -1 or \
license.license_code.find('nc') > -1 or \
license.license_code.find('nd') > -1:
color = 'yellow'
else:
color = 'green'
# Get the language this view will be displayed in.
# - First checks to see if the routing matchdict specifies the language
# - Or, next gets the jurisdictions' default language if the jurisdiction
# specifies one
# - Otherwise it's english!
if request.matchdict.has_key('target_lang'):
target_lang = request.matchdict.get('target_lang')
elif license.jurisdiction.default_language:
target_lang = locale_to_lower_upper(
license.jurisdiction.default_language)
else:
target_lang = 'en'
# True if the legalcode for this license is available in
# multiple languages (or a single language with a language code different
# than that of the jurisdiction).
#
# Stored in the RDF, we'll just check license.legalcodes() :)
legalcodes = license.legalcodes(target_lang)
if len(legalcodes) > 1 \
or list(legalcodes)[0][2] is not None:
multi_language = True
legalcodes = sorted(legalcodes, key=lambda lc: lc[2])
else:
multi_language = False
# Use the lower-dash style for all RDF-related locale stuff
rdf_style_target_lang = locale_to_lower_lower(target_lang)
license_title = None
try:
license_title = license.title(rdf_style_target_lang)
except KeyError:
# don't have one for that language, use default
license_title = license.title()
conditions = {}
for code in license.license_code.split('-'):
conditions[code] = 1
# Find out all the active languages
active_languages = get_well_translated_langs()
negotiated_locale = negotiate_locale(target_lang)
# If negotiating the locale says that this isn't a valid language,
# let's fall back to something that is.
if target_lang != negotiated_locale:
base_url = REMOVE_DEED_URL_RE.match(request.path_info).groups()[0]
redirect_to = base_url + 'deed.' + negotiated_locale
return exc.HTTPFound(location=redirect_to)
if DEED_TEMPLATE_MAPPING.has_key(license.license_code):
main_template = DEED_TEMPLATE_MAPPING[license.license_code]
else:
main_template = 'licenses/standard_deed.html'
get_this = "/choose/results-one?license_code=%s&jurisdiction=%s&version=%s&lang=%s" % (
urllib.quote(license.license_code), license.jurisdiction.code,
license.version, target_lang)
context = {
'request': request,
'license_code': license.license_code,
'license_code_quoted': urllib.quote(license.license_code),
'license_title': license_title,
'license': license,
'multi_language': multi_language,
'legalcodes': legalcodes,
'color': color,
'conditions': conditions,
'active_languages': active_languages,
'target_lang': target_lang,
'jurisdiction': license.jurisdiction.code,
'get_this': get_this,
}
context.update(util.rtl_context_stuff(target_lang))
return Response(
util.render_template(request, target_lang, main_template, context))
def license_deed_view(request):
"""
The main and major deed generating view.
"""
##########################
# Try and get the license.
##########################
license = by_code(
request.matchdict['code'],
jurisdiction=request.matchdict.get('jurisdiction'),
version=request.matchdict.get('version'))
if not license:
license_versions = util.catch_license_versions_from_request(request)
if license_versions:
# If we can't get it, but others of that code exist, give
# a special 404.
return license_catcher(request)
else:
# Otherwise, give the normal 404.
return exc.HTTPNotFound()
####################
# Everything else ;)
####################
# "color" of the license; the color reflects the relative amount
# of freedom.
if license.license_code in ('devnations', 'sampling'):
color = 'red'
elif license.license_code.find('sampling') > -1 or \
license.license_code.find('nc') > -1 or \
license.license_code.find('nd') > -1:
color = 'yellow'
else:
color = 'green'
# Get the language this view will be displayed in.
# - First checks to see if the routing matchdict specifies the language
# - Or, next gets the jurisdictions' default language if the jurisdiction
# specifies one
# - Otherwise it's english!
if request.matchdict.has_key('target_lang'):
target_lang = request.matchdict.get('target_lang')
elif license.jurisdiction.default_language:
target_lang = locale_to_lower_upper(
license.jurisdiction.default_language)
else:
target_lang = 'en'
# True if the legalcode for this license is available in
# multiple languages (or a single language with a language code different
# than that of the jurisdiction).
#
# Stored in the RDF, we'll just check license.legalcodes() :)
legalcodes = license.legalcodes(target_lang)
if len(legalcodes) > 1 \
or list(legalcodes)[0][2] is not None:
multi_language = True
legalcodes = sorted(legalcodes, key=lambda lc: lc[2])
else:
multi_language = False
# Use the lower-dash style for all RDF-related locale stuff
rdf_style_target_lang = locale_to_lower_lower(target_lang)
license_title = None
try:
license_title = license.title(rdf_style_target_lang)
except KeyError:
# don't have one for that language, use default
license_title = license.title()
conditions = {}
for code in license.license_code.split('-'):
conditions[code] = 1
# Find out all the active languages
active_languages = get_well_translated_langs()
negotiated_locale = negotiate_locale(target_lang)
# If negotiating the locale says that this isn't a valid language,
# let's fall back to something that is.
if target_lang != negotiated_locale:
base_url = REMOVE_DEED_URL_RE.match(request.path_info).groups()[0]
redirect_to = base_url + 'deed.' + negotiated_locale
return exc.HTTPFound(location=redirect_to)
if DEED_TEMPLATE_MAPPING.has_key(license.license_code):
main_template = DEED_TEMPLATE_MAPPING[license.license_code]
else:
main_template = 'licenses/standard_deed.html'
get_this = "/choose/results-one?license_code=%s&jurisdiction=%s&version=%s&lang=%s" % (urllib.quote(license.license_code), license.jurisdiction.code, license.version, target_lang)
context = {
'request': request,
'license_code': license.license_code,
'license_code_quoted': urllib.quote(license.license_code),
'license_title': license_title,
'license': license,
'multi_language': multi_language,
'legalcodes': legalcodes,
'color': color,
'conditions': conditions,
'active_languages': active_languages,
'target_lang': target_lang,
'jurisdiction':license.jurisdiction.code,
'get_this': get_this,
}
context.update(util.rtl_context_stuff(target_lang))
return Response(
util.render_template(
request, target_lang,
main_template, context))
def active_languages():
"""Return a sequence of dicts, where each element consists of the
following keys:
* code: the language code
* name: the translated name of this language
for each available language."""
global _ACTIVE_LANGUAGES
if _ACTIVE_LANGUAGES:
return _ACTIVE_LANGUAGES
# get a list of avaialable translations
domain = base.queryUtility(ITranslationDomain, ccorg_i18n_setup.I18N_DOMAIN)
lang_codes = set(domain.getCatalogsInfo().keys())
# determine the intersection of available translations and
# launched jurisdiction locales
launched_locales = set()
jurisdictions = cclicense_functions.get_valid_jurisdictions()
for jurisdiction in jurisdictions:
query_string = (
'PREFIX dc: <http://purl.org/dc/elements/1.1/> '
'SELECT ?lang WHERE {'
' <%s> dc:language ?lang}') % jurisdiction
query = RDF.Query(
str(query_string),
query_language='sparql')
this_juri_locales = set(
[locale_to_lower_upper(str(result['lang']))
for result in query.execute(rdf_helper.JURI_MODEL)])
# Append those locales that are applicable to this domain
launched_locales.update(lang_codes.intersection(this_juri_locales))
# XXX: Have to hack in Esperanto here because it's technically an
# "Unported" language but there is no unported RDF jurisdiction in
# jurisdictions.rdf..
launched_locales.add('eo')
# make our sequence have a predictable order
launched_locales = list(launched_locales)
# this loop is long hand for clarity; it's only done once, so
# the additional performance cost should be negligible
result = []
for code in launched_locales:
if code == 'test': continue
gettext = ugettext_for_locale(negotiate_locale(code))
name = gettext(mappers.LANG_MAP[code])
result.append(dict(code=code, name=name))
result = sorted(result, key=lambda lang: lang['name'].lower())
_ACTIVE_LANGUAGES = result
return result
except AttributeError:
# header was not defined
header_value = default_locale
target_lang = None
if not target_lang:
# screw it
target_lang = default_locale
try:
ACCEPT_LANG_CACHE[header_value] = target_lang
except NameError, e:
# We didn't set the header_value, so don't try to use it as a key
pass
return locale_to_lower_upper(target_lang)
def generate_404_response(request, routing, environ, staticdirector):
"""
Create a 'nice looking' 404 response.
"""
request.matchdict = {}
request.urlgen = routes.URLGenerator(routing.mapping, environ)
request.staticdirect = staticdirector
target_lang = get_target_lang_from_request(request)
context = {'page_style': 'bare'}
context.update(rtl_context_stuff(target_lang))
def title(self, language='en'):
if self._titles is None:
self._titles = rdf_helper.get_titles(self.uri)
i18n_title = self._titles['i18n']
return inverse_translate(i18n_title, locale_to_lower_upper(language))
