Repository navigation
Expand file tree
/
Copy pathbabel_runner.py
More file actions
executable file
·139 lines (117 loc) · 3.94 KB
/
Copy pathbabel_runner.py
File metadata and controls
executable file
·139 lines (117 loc) · 3.94 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
"""Script for handling translations with Babel"""
from __future__ import annotations
import argparse
import ast
import subprocess
import tomllib
from pathlib import Path
# Global variables used by pybabel below (paths relative to PROJECT_DIR)
DOMAIN = "python-docs-theme"
COPYRIGHT_HOLDER = "Python Software Foundation"
SOURCE_DIR = "python_docs_theme"
MAPPING_FILE = ".babel.cfg"
PROJECT_DIR = Path(__file__).resolve().parent
PYPROJECT_TOML = Path(PROJECT_DIR, "pyproject.toml")
INIT_PY = PROJECT_DIR / SOURCE_DIR / "__init__.py"
LOCALES_DIR = Path(f"{SOURCE_DIR}", "locale")
POT_FILE = Path(LOCALES_DIR, f"{DOMAIN}.pot")
def get_project_info() -> dict:
"""Retrieve project's info to populate the message catalog template"""
pyproject_text = PYPROJECT_TOML.read_text(encoding="utf-8")
project_data = tomllib.loads(pyproject_text)["project"]
# read __version__ from __init__.py
for child in ast.parse(INIT_PY.read_bytes()).body:
if not isinstance(child, ast.Assign):
continue
target = child.targets[0]
if not isinstance(target, ast.Name) or target.id != "__version__":
continue
version_node = child.value
if not isinstance(version_node, ast.Constant):
continue
project_data["version"] = version_node.value
break
return project_data
def extract_messages() -> None:
"""Extract messages from all source files into message catalog template"""
Path(PROJECT_DIR, LOCALES_DIR).mkdir(parents=True, exist_ok=True)
project_data = get_project_info()
subprocess.run(
[
"pybabel",
"extract",
"-F",
MAPPING_FILE,
"--copyright-holder",
COPYRIGHT_HOLDER,
"--project",
project_data["name"],
"--version",
project_data["version"],
"--msgid-bugs-address",
project_data["urls"]["Issue tracker"],
"-o",
POT_FILE,
SOURCE_DIR,
],
cwd=PROJECT_DIR,
check=True,
)
def init_locale(locale: str) -> None:
"""Initialize a new locale based on existing message catalog template"""
pofile = PROJECT_DIR / LOCALES_DIR / locale / "LC_MESSAGES" / f"{DOMAIN}.po"
if pofile.exists():
print(f"There is already a message catalog for locale {locale}, skipping.")
return
cmd = [
"pybabel",
"init",
"-i",
POT_FILE,
"-d",
LOCALES_DIR,
"-D",
DOMAIN,
"-l",
locale,
]
subprocess.run(cmd, cwd=PROJECT_DIR, check=True)
def update_catalogs(locale: str) -> None:
"""Update translations from existing message catalogs"""
cmd = ["pybabel", "update", "-i", POT_FILE, "-d", LOCALES_DIR, "-D", DOMAIN]
if locale:
cmd.extend(["-l", locale])
subprocess.run(cmd, cwd=PROJECT_DIR, check=True)
def compile_catalogs(locale: str) -> None:
"""Compile existing message catalogs"""
cmd = ["pybabel", "compile", "-d", LOCALES_DIR, "-D", DOMAIN]
if locale:
cmd.extend(["-l", locale])
subprocess.run(cmd, cwd=PROJECT_DIR, check=True)
def main() -> None:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"command",
choices=["extract", "init", "update", "compile"],
help="command to be executed",
)
parser.add_argument(
"-l",
"--locale",
default="",
help="language code (needed for init, optional for update and compile)",
)
args = parser.parse_args()
locale = args.locale
if args.command == "extract":
extract_messages()
elif args.command == "init":
if not locale:
parser.error("init requires passing the --locale option")
init_locale(locale)
elif args.command == "update":
update_catalogs(locale)
elif args.command == "compile":
compile_catalogs(locale)
if __name__ == "__main__":
main()