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"""distutils_extra.command.build_i18n
Implements the Distutils 'build_i18n' command."""
# TODO: Address following pylint complaints
# pylint: disable=attribute-defined-outside-init,broad-except,eval-used,missing-function-docstring
import glob
import os
import pathlib
from setuptools import Command
# pylint: disable-next=invalid-name,too-many-instance-attributes
class build_i18n(Command):
"""integrate the gettext framework"""
description = __doc__
user_options = [
("desktop-files=", None, ".desktop.in files that should be merged"),
("xml-files=", None, ".xml.in files that should be merged"),
("schemas-files=", None, ".schemas.in files that should be merged"),
("ba-files=", None, "bonobo-activation files that should be merged"),
("rfc822deb-files=", None, "RFC822 files that should be merged"),
("key-files=", None, ".key.in files that should be merged"),
("domain=", "d", "gettext domain"),
("merge-po", "m", "merge po files against template"),
("po-dir=", "p", "directory that holds the i18n files"),
("bug-contact=", None, "contact address for msgid bugs"),
]
boolean_options = ["merge-po"]
def initialize_options(self):
self.desktop_files = []
self.xml_files = []
self.key_files = []
self.schemas_files = []
self.ba_files = []
self.rfc822deb_files = []
self.domain = None
self.merge_po = False
self.bug_contact = None
self.po_dir = None
def finalize_options(self):
if self.domain is None:
self.domain = self.distribution.metadata.name
if self.po_dir is None:
self.po_dir = "po"
def run(self):
"""
Update the language files, generate mo files and add them
to the to be installed files
"""
# TODO: split into smaller methods
# pylint: disable=too-many-branches,too-many-locals,too-many-statements
if not os.path.isdir(self.po_dir):
return
data_files = self.distribution.data_files
if data_files is None:
# in case not data_files are defined in setup.py
self.distribution.data_files = data_files = []
if self.bug_contact is not None:
os.environ["XGETTEXT_ARGS"] = f"--msgid-bugs-address={self.bug_contact} "
# Print a warning if there is a Makefile that would overwrite our
# values
if os.path.exists(f"{self.po_dir}/Makefile"):
self.announce(
"""
WARNING: Intltool will use the values specified from the
existing po/Makefile in favor of the values
from setup.cfg.
Remove the Makefile to avoid problems."""
)
# If there is a po/LINGUAS file, or the LINGUAS environment variable
# is set, only compile the languages listed there.
selected_languages = None
linguas_file = pathlib.Path(self.po_dir) / "LINGUAS"
if linguas_file.is_file():
selected_languages = linguas_file.read_text().split()
if "LINGUAS" in os.environ:
selected_languages = os.environ["LINGUAS"].split()
# Update po(t) files and print a report
# We have to change the working dir to the po dir for intltool
cmd = ["intltool-update", (self.merge_po and "-r" or "-p"), "-g", self.domain]
cwd = os.getcwd()
os.chdir(self.po_dir)
self.spawn(cmd)
os.chdir(cwd)
max_po_mtime = 0
for po_file in glob.glob(f"{self.po_dir}/*.po"):
lang = os.path.basename(po_file[:-3])
if selected_languages and lang not in selected_languages:
continue
mo_dir = os.path.join("build", "mo", lang, "LC_MESSAGES")
mo_file = os.path.join(mo_dir, f"{self.domain}.mo")
if not os.path.exists(mo_dir):
os.makedirs(mo_dir)
cmd = ["msgfmt", po_file, "-o", mo_file]
po_mtime = os.path.getmtime(po_file)
mo_mtime = os.path.exists(mo_file) and os.path.getmtime(mo_file) or 0
if po_mtime > max_po_mtime:
max_po_mtime = po_mtime
if po_mtime > mo_mtime:
self.spawn(cmd)
targetpath = os.path.join("share/locale", lang, "LC_MESSAGES")
data_files.append((targetpath, (mo_file,)))
# merge .in with translation
for option, switch in (
(self.xml_files, "-x"),
(self.desktop_files, "-d"),
(self.schemas_files, "-s"),
(self.rfc822deb_files, "-r"),
(self.ba_files, "-b"),
(self.key_files, "-k"),
):
try:
file_set = eval(option)
except Exception:
continue
for target, files in file_set:
build_target = os.path.join("build", target)
if not os.path.exists(build_target):
os.makedirs(build_target)
files_merged = []
for file in files:
if file.endswith(".in"):
file_merged = os.path.basename(file[:-3])
else:
file_merged = os.path.basename(file)
file_merged = os.path.join(build_target, file_merged)
cmd = ["intltool-merge", switch, self.po_dir, file, file_merged]
mtime_merged = (
os.path.exists(file_merged)
and os.path.getmtime(file_merged)
or 0
)
mtime_file = os.path.getmtime(file)
if mtime_merged < max_po_mtime or mtime_merged < mtime_file:
# Only build if output is older than input (.po,.in)
self.spawn(cmd)
files_merged.append(file_merged)
data_files.append((target, files_merged))
# class build
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