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import os
from babel.messages import pofile, mofile
def load_po(filename, **kwargs):
"""read po/pot file and return catalog object
:param unicode filename: path to po/pot file
:param kwargs: keyword arguments to forward to babel's read_po call
:return: catalog object
"""
# pre-read to get charset
with open(filename, "rb") as f:
cat = pofile.read_po(f)
charset = cat.charset or "utf-8"
# To decode lines by babel, read po file as binary mode and specify charset for
# read_po function.
with open(filename, "rb") as f: # FIXME: encoding VS charset
return pofile.read_po(f, charset=charset, **kwargs)
def dump_po(filename, catalog, **kwargs):
"""write po/pot file from catalog object
:param unicode filename: path to po file
:param catalog: catalog object
:param kwargs: keyword arguments to forward to babel's write_po call; also
accepts a deprecated `line_width` option to forward to
write_po's `width` option
:return: None
"""
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
# (compatibility) line_width was the original argument used to forward
# line width hints into write_po's `width` argument; if provided,
# set/override the width value
if "line_width" in kwargs:
kwargs["width"] = kwargs["line_width"]
del kwargs["line_width"]
# Because babel automatically encode strings, file should be open as binary mode.
with open(filename, "wb") as f:
pofile.write_po(f, catalog, **kwargs)
def write_mo(filename, catalog, **kwargs):
"""write mo file from catalog object
:param unicode filename: path to mo file
:param catalog: catalog object
:return: None
"""
dirname = os.path.dirname(filename)
if not os.path.exists(dirname):
os.makedirs(dirname)
with open(filename, "wb") as f:
mofile.write_mo(f, catalog, **kwargs)
def translated_entries(catalog):
return [m for m in catalog if m.id and m.string]
def fuzzy_entries(catalog):
return [m for m in catalog if m.id and m.fuzzy]
def untranslated_entries(catalog):
return [m for m in catalog if m.id and not m.string]
def update_with_fuzzy(catalog, catalog_source):
"""update catalog by template catalog with fuzzy flag.
:param catalog: catalog object to be updated
:param catalog_source: catalog object as a template to update 'catalog'
:return: None
"""
catalog.update(catalog_source)
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