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django-shared-multilingual
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Use shared.utils.lang_suffix for translated field names; 

allow translatable fields also for abstract classes;
added TranslatableJSONField.
master
Erik Stein 8 years ago
parent
160f527b79
commit
4132374a34
1 changed files with 117 additions and 66 deletions
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  1. 183
      shared/multilingual/utils/fields.py

183
shared/multilingual/utils/fields.py
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@ -2,10 +2,11 @@
from __future__ import unicode_literals
from django.conf import settings
from django.contrib.postgres.fields import JSONField
from django.db import models
from django.utils.translation import string_concat
from shared.utils.translation import get_language
from shared.utils.translation import get_language, lang_suffix
class TranslatableCharField(models.CharField):
@ -16,44 +17,43 @@ class TranslatableCharField(models.CharField):
super(TranslatableCharField, self).__init__(verbose_name, **kwargs)
def contribute_to_class(self, cls, name, virtual_only=False):
if not cls._meta.abstract:
for lang_code, lang_name in settings.LANGUAGES:
if lang_code == settings.LANGUAGE_CODE:
_blank = self._blank
else:
_blank = True
localized_field = models.CharField(
string_concat(self.verbose_name, " (%s)" % lang_code),
name=self.name,
primary_key=self.primary_key,
max_length=self.max_length,
unique=self.unique,
blank=_blank,
null=False, # intentionally ignored
db_index=self.db_index,
rel=self.rel,
default=self.default or "",
editable=self._editable,
serialize=self.serialize,
choices=self.choices,
help_text=self.help_text,
db_column=None,
db_tablespace=self.db_tablespace
)
localized_field.contribute_to_class(
cls,
"%s_%s" % (name, lang_code),
)
def contribute_to_class(self, cls, name, private_only=False):
for lang_code, lang_name in settings.LANGUAGES:
if lang_code == settings.LANGUAGE_CODE:
_blank = self._blank
else:
_blank = True
localized_field = models.CharField(
string_concat(self.verbose_name, " (%s)" % lang_code),
name=self.name,
primary_key=self.primary_key,
max_length=self.max_length,
unique=self.unique,
blank=_blank,
null=False, # intentionally ignored
db_index=self.db_index,
rel=self.rel,
default=self.default or "",
editable=self._editable,
serialize=self.serialize,
choices=self.choices,
help_text=self.help_text,
db_column=None,
db_tablespace=self.db_tablespace
)
localized_field.contribute_to_class(
cls,
"%s%s" % (name, lang_suffix(lang_code)),
)
def translated_value(self):
# For empty / non-existing translation fall back to main field
language = get_language()
val = self.__dict__["%s_%s" % (name, language)]
val = self.__dict__["%s%s" % (name, lang_suffix(language))]
if not val:
val = self.__dict__["%s_%s" % (name, settings.LANGUAGE_CODE)]
val = self.__dict__["%s%s" % (name, lang_suffix(settings.LANGUAGE_CODE))]
return val
setattr(cls, name, property(translated_value))
@ -67,42 +67,93 @@ class TranslatableTextField(models.TextField):
super(TranslatableTextField, self).__init__(verbose_name, **kwargs)
def contribute_to_class(self, cls, name, virtual_only=False):
if not cls._meta.abstract:
for lang_code, lang_name in settings.LANGUAGES:
if lang_code == settings.LANGUAGE_CODE:
_blank = self._blank
else:
_blank = True
localized_field = models.TextField(
string_concat(self.verbose_name, " (%s)" % lang_code),
name=self.name,
primary_key=self.primary_key,
max_length=self.max_length,
unique=self.unique,
blank=_blank,
null=False, # intentionally ignored
db_index=self.db_index,
rel=self.rel,
default=self.default or "",
editable=self._editable,
serialize=self.serialize,
choices=self.choices,
help_text=self.help_text,
db_column=None,
db_tablespace=self.db_tablespace
)
localized_field.contribute_to_class(
cls, "%s_%s" % (name, lang_code),
)
def contribute_to_class(self, cls, name, private_only=False):
for lang_code, lang_name in settings.LANGUAGES:
if lang_code == settings.LANGUAGE_CODE:
_blank = self._blank
else:
_blank = True
localized_field = models.TextField(
string_concat(self.verbose_name, " (%s)" % lang_code),
name=self.name,
primary_key=self.primary_key,
max_length=self.max_length,
unique=self.unique,
blank=_blank,
null=False, # intentionally ignored
db_index=self.db_index,
rel=self.rel,
default=self.default or "",
editable=self._editable,
serialize=self.serialize,
choices=self.choices,
help_text=self.help_text,
db_column=None,
db_tablespace=self.db_tablespace
)
localized_field.contribute_to_class(
cls,
"%s%s" % (name, lang_suffix(lang_code)),
)
def translated_value(self):
language = get_language()
val = self.__dict__["%s_%s" % (name, language)]
val = self.__dict__["%s%s" % (name, lang_suffix(language))]
if not val:
val = self.__dict__["%s_%s" % (name, settings.LANGUAGE_CODE)]
val = self.__dict__["%s%s" % (name, lang_suffix(settings.LANGUAGE_CODE))]
return val
setattr(cls, name, property(translated_value))
class TranslatableJSONField(JSONField):
def __init__(self, verbose_name=None, **kwargs):
self._blank = kwargs.get("blank", False)
self._editable = kwargs.get("editable", True)
super().__init__(verbose_name, **kwargs)
def contribute_to_class(self, cls, name, private_only=False):
print(self, cls)
for lang_code, lang_name in settings.LANGUAGES:
if lang_code == settings.LANGUAGE_CODE:
_blank = self._blank
else:
_blank = True
localized_field = JSONField(
string_concat(self.verbose_name, " (%s)" % lang_code),
name=self.name,
primary_key=self.primary_key,
max_length=self.max_length,
unique=self.unique,
blank=_blank,
null=False, # intentionally ignored
db_index=self.db_index,
rel=self.rel,
default=self.default or "",
editable=self._editable,
serialize=self.serialize,
choices=self.choices,
help_text=self.help_text,
db_column=None,
db_tablespace=self.db_tablespace,
encoder=self.encoder
)
localized_field.contribute_to_class(
cls,
"%s%s" % (name, lang_suffix(lang_code)),
)
def translated_value(self):
language = get_language()
val = self.__dict__["%s%s" % (name, lang_suffix(language))]
if not val:
val = self.__dict__["%s%s" % (name, lang_suffix(settings.LANGUAGE_CODE))]
return val
setattr(cls, name, property(translated_value))

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