def get_or_create_by_code(self, code):
"""Convenience method for returning the Language that corresponds to
the specified code, creating it if needed.
If the code is not valid, it raises a ValueError.
:param code: language code
:returns: language
"""
# Try to fetch the Language if already on DB.
try:
language = self.get(code=code)
return language
except Language.DoesNotExist:
pass
# Add Language, discarding it if it does not have a valid code.
std = standardize_language(code)
if std:
long_name = "%s%s" % (std.description[0],
' (%s)' % ', '.join(std.description[1:]) if
len(std.description) > 1 else '')
language = self.create(code=std.code,
label=std.description[0],
long_name=long_name)
return language
raise ValueError('%s is not a valid language code' % code)
def standardize_existing(apps, schema_editor):
"""Custom cleanup of existing Languages:
- change code to lowercase
- set long_name and label based on standardize_language()
"""
Language = apps.get_model('books', 'Language')
for row in Language.objects.all():
row.code = row.code.lower()
std = standardize_language(row.code)
if std:
long_name = "%s%s" % (std.description[0], ' (%s)' % ', '.join(
std.description[1:]) if len(std.description) > 1 else '')
row.label = std.description[0]
row.long_name = long_name
row.save()
def standardize_existing(apps, schema_editor):
"""Custom cleanup of existing Languages:
- change code to lowercase
- set long_name and label based on standardize_language()
"""
Language = apps.get_model('books', 'Language')
for row in Language.objects.all():
row.code = row.code.lower()
std = standardize_language(row.code)
if std:
long_name = "%s%s" % (std.description[0],
' (%s)' % ', '.join(std.description[1:]) if
len(std.description) > 1 else '')
row.label = std.description[0]
row.long_name = long_name
row.save()
