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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this,
import re
from compare_locales import mozpath
# The local path where we write the config files to
TARGET_PATH = b"_configs"
def process_config(toml_content):
"""Process TOML configuration content to match the l10n setup for
the reference localization, return target_path and content.
The code adjusts basepath, [[paths]], and [[includes]]
"""
# adjust basepath in content. '.' works in practice, also in theory?
new_base = mozpath.relpath(b".", TARGET_PATH)
if not new_base:
new_base = b"." # relpath to '.' is '', sadly
base_line = b'\nbasepath = "%s"' % new_base
content1 = re.sub(rb"^\s*basepath\s*=\s*.+", base_line, toml_content, flags=re.M)
# process [[paths]]
start = 0
content2 = b""
for m in re.finditer(
rb"\[\[\s*paths\s*\]\].+?(?=\[|\Z)", content1, re.M | re.DOTALL
):
content2 += content1[start : m.start()]
path_content = m.group()
l10n_line = re.search(rb"^\s*l10n\s*=.*$", path_content, flags=re.M).group()
# remove variable expansions
new_reference = re.sub(rb"{\s*\S+\s*}", b"", l10n_line)
# make the l10n a reference line
new_reference = re.sub(rb"^(\s*)l10n(\s*=)", rb"\1reference\2", new_reference)
content2 += re.sub(
rb"^\s*reference\s*=.*$", new_reference, path_content, flags=re.M
)
start = m.end()
content2 += content1[start:]
start = 0
content3 = b""
for m in re.finditer(
rb"\[\[\s*includes\s*\]\].+?(?=\[|\Z)", content2, re.M | re.DOTALL
):
content3 += content2[start : m.start()]
include_content = m.group()
m_ = re.search(rb'^\s*path = "(.+?)"', include_content, flags=re.M)
content3 += (
include_content[: m_.start(1)]
+ generate_filename(m_.group(1))
+ include_content[m_.end(1) :]
)
start = m.end()
content3 += content2[start:]
return content3
def generate_filename(path):
segs = path.split(b"/")
# strip /locales/ from filename
segs = [seg for seg in segs if seg != b"locales"]
# strip variables from filename
segs = [seg for seg in segs if not seg.startswith(b"{") and not seg.endswith(b"}")]
if segs[-1] == b"l10n.toml":
segs.pop()
segs[-1] += b".toml"
outpath = b"-".join(segs)
if TARGET_PATH != b".":
# prepend the target path, if it's not '.'
outpath = mozpath.join(TARGET_PATH, outpath)
return outpath