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nexedi
erp5
Commits
9d7f2574
Commit
9d7f2574
authored
Oct 30, 2012
by
Jérome Perrin
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Localizer: add a context manager to temporarily change language
parent
0f5ff0f6
Changes
2
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2 changed files
with
92 additions
and
1 deletion
+92
-1
product/ERP5Type/tests/testLocalizer.py
product/ERP5Type/tests/testLocalizer.py
+58
-0
product/Localizer/Localizer.py
product/Localizer/Localizer.py
+34
-1
No files found.
product/ERP5Type/tests/testLocalizer.py
View file @
9d7f2574
...
...
@@ -127,6 +127,64 @@ class TestLocalizer(ERP5TypeTestCase):
self
.
portal
.
portal_activities
.
process_timer
(
None
,
None
)
self
.
assertEquals
(
tmp_obj
.
getComment
(),
"C'est 1€."
)
def
test_get_selected_language
(
self
):
# default selected language is en
self
.
assertEquals
(
'en'
,
self
.
portal
.
Localizer
.
get_selected_language
())
def
test_translationContext
(
self
):
self
.
message_catalog
.
_messages
[
'This is 1€.'
]
=
PersistentMapping
(
{
'fr'
:
"C'est 1€."
,
'note'
:
''
,})
localizer
=
self
.
portal
.
Localizer
with
localizer
.
translationContext
(
'fr'
):
self
.
assertEquals
(
'fr'
,
localizer
.
get_selected_language
())
self
.
assertEquals
(
"C'est 1€."
,
self
.
portal
.
Base_translateString
(
"This is 1€."
))
# outside of this context manager we are back to english
self
.
assertEquals
(
'en'
,
localizer
.
get_selected_language
())
self
.
assertEquals
(
"This is 1€."
,
self
.
portal
.
Base_translateString
(
"This is 1€."
))
def
test_translationContextActivity
(
self
):
portal
=
self
.
portal
self
.
message_catalog
.
_messages
[
'This is 1€.'
]
=
PersistentMapping
(
{
'fr'
:
"C'est 1€."
,
'note'
:
''
,})
localizer
=
portal
.
Localizer
test_script
=
createZODBPythonScript
(
portal
.
portal_skins
.
custom
,
'test_script'
,
''
,
"""
def assertEquals(a, b):
if a != b:
raise AssertionError("%r != %r" % (a, b))
localizer = context.getPortalObject().Localizer
with localizer.translationContext('fr'):
assertEquals('fr', localizer.get_selected_language())
assertEquals("C'est 1€.", context.Base_translateString("This is 1€."))
# outside of this context manager we are back to english
assertEquals('en', localizer.get_selected_language())
assertEquals("This is 1€.", context.Base_translateString("This is 1€."))
"""
)
# normal activity
portal
.
portal_activities
.
activate
().
test_script
()
self
.
tic
()
# after activity execution we are still in english
self
.
assertEquals
(
'en'
,
localizer
.
get_selected_language
())
self
.
assertEquals
(
"This is 1€."
,
self
.
portal
.
Base_translateString
(
"This is 1€."
))
# execute activity with group_method
portal
.
portal_activities
.
activate
(
group_method_id
=
None
).
test_script
()
self
.
tic
()
# after activity execution we are still in english
self
.
assertEquals
(
'en'
,
localizer
.
get_selected_language
())
self
.
assertEquals
(
"This is 1€."
,
self
.
portal
.
Base_translateString
(
"This is 1€."
))
def
test_get_request
(
self
):
# check that Localizer's get_request hack works as expected
from
Products.Localizer.utils
import
get_request
self
.
assertEquals
(
get_request
(),
self
.
portal
.
REQUEST
)
def
test_suite
():
suite
=
unittest
.
TestSuite
()
suite
.
addTest
(
unittest
.
makeSuite
(
TestLocalizer
))
...
...
product/Localizer/Localizer.py
View file @
9d7f2574
...
...
@@ -16,6 +16,7 @@
# Import from the Standard Library
from
urllib
import
unquote
from
contextlib
import
contextmanager
# Import from Zope
from
AccessControl
import
ClassSecurityInfo
...
...
@@ -216,7 +217,10 @@ class Localizer(LanguageManager, Folder):
security
.
declarePublic
(
'changeLanguage'
)
changeLanguageForm
=
LocalDTMLFile
(
'ui/changeLanguageForm'
,
globals
())
def
changeLanguage
(
self
,
lang
,
goto
=
None
,
expires
=
None
):
""" """
"""Change the user language to `lang`.
This method will set a cookie and redirect to `goto` URL.
"""
request
=
self
.
REQUEST
response
=
request
.
RESPONSE
...
...
@@ -234,6 +238,35 @@ class Localizer(LanguageManager, Folder):
response
.
redirect
(
goto
)
security
.
declarePublic
(
'translationContext'
)
@
contextmanager
def
translationContext
(
self
,
lang
):
"""Context manager to temporarily change the current language.
"""
class
ForcedLanguage
:
__allow_access_to_unprotected_subobjects__
=
1
def
__init__
(
self
,
lang
):
self
.
lang
=
lang
def
select_language
(
self
,
available_languages
):
return
self
.
lang
def
set
(
self
,
lang
,
priority
):
if
lang
!=
self
.
lang
:
LOG
(
'Localizer'
,
PROBLEM
,
'Cannot change language inside a translationContext'
,
error
=
1
)
MARKER
=
[]
from
patches
import
get_request
# late import, as this is patched by
# unit tests
request
=
get_request
()
# Localizer always use this request internally
old_accept_language
=
request
.
get
(
'AcceptLanguage'
,
MARKER
)
request
.
set
(
'AcceptLanguage'
,
ForcedLanguage
(
lang
))
try
:
assert
self
.
get_selected_language
()
==
lang
yield
finally
:
request
.
other
.
pop
(
'AcceptLanguage'
)
if
old_accept_language
is
not
MARKER
:
request
.
set
(
'AcceptLanguage'
,
old_accept_language
)
security
.
declarePublic
(
'translate'
)
def
translate
(
self
,
domain
,
msgid
,
lang
=
None
,
*
args
,
**
kw
):
"""
...
...
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