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Copy pathgenlast.py
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73 lines (58 loc) · 2.51 KB
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#!/usr/bin/env python3
import sys
import re
import os
import itertools
from concurrent.futures import ProcessPoolExecutor
import multiprocessing
import threading
import subprocess
from makeqstrdefs import qstr_unescape, QSTRING_BLACK_LIST
re_line = re.compile(r"#[line]*\s(\d+)\s\"([^\"]+)\"", re.DOTALL)
re_qstr = re.compile(r'MP_QSTR_[_a-zA-Z0-9]+', re.DOTALL)
re_translate = re.compile(r'translate\(\"((?:(?=(\\?))\2.)*?)\"\)', re.DOTALL)
def write_out(fname, output_dir, output):
if output:
for m, r in [("/", "__"), ("\\", "__"), (":", "@"), ("..", "@@")]:
fname = fname.replace(m, r)
with open(output_dir + "/" + fname + ".qstr", "w") as f:
f.write("\n".join(output) + "\n")
def process_file(fname, output_dir, content):
content = content.decode('utf-8', errors='ignore')
output = []
for match in re_qstr.findall(content):
name = match.replace('MP_QSTR_', '')
if name not in QSTRING_BLACK_LIST:
output.append('Q(' + qstr_unescape(name) + ')')
for match in re_translate.findall(content):
output.append('TRANSLATE("' + match[0] + '")')
write_out(fname, output_dir, output)
def checkoutput1(args):
info = subprocess.run(args, check=True, stdout=subprocess.PIPE, input='')
return info.stdout
def preprocess(command, output_dir, fn):
try:
output = checkoutput1(command + [fn])
process_file(fn, output_dir, output)
except Exception as e:
print(e, file=sys.stderr)
def maybe_preprocess(command, output_dir, fn):
# Preprocess the source file if it contains "MP_QSTR", "translate",
# or if it uses enum.h (which generates "MP_QSTR" strings.
if subprocess.call(["grep", "-lqE", r"(MP_QSTR|translate|enum\.h)", fn]) == 0:
preprocess(command, output_dir, fn)
if __name__ == '__main__':
idx1 = sys.argv.index('--')
idx2 = sys.argv.index('--', idx1+1)
output_dir = sys.argv[1]
check = sys.argv[2:idx1]
always = sys.argv[idx1+1:idx2]
command = sys.argv[idx2+1:]
if not os.path.isdir(output_dir):
os.makedirs(output_dir)
# Mac and Windows use 'spawn'. Uncomment this during testing to catch spawn-specific problems on Linux.
#multiprocessing.set_start_method("spawn")
executor = ProcessPoolExecutor(max_workers=multiprocessing.cpu_count() + 1)
executor.map(maybe_preprocess, itertools.repeat(command), itertools.repeat(output_dir), check)
executor.map(preprocess, itertools.repeat(command), itertools.repeat(output_dir), always)
executor.shutdown()