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#!/usr/bin/env python3
import argparse
import os
import os.path
from pathlib import Path
import semver
import subprocess
# Compatible with Python 3.4 due to travis using trusty as default.
def version_string(path=None, *, valid_semver=False):
version = None
try:
tag = subprocess.check_output('git describe --tags --exact-match', shell=True, cwd=path)
version = tag.strip().decode("utf-8", "strict")
except subprocess.CalledProcessError:
describe = subprocess.check_output("git describe --tags", shell=True, cwd=path)
tag, additional_commits, commitish = describe.strip().decode("utf-8", "strict").rsplit("-", maxsplit=2)
commitish = commitish[1:]
if valid_semver:
version_info = semver.parse_version_info(tag)
if not version_info.prerelease:
version = semver.bump_patch(tag) + "-alpha.0.plus." + additional_commits + "+" + commitish
else:
version = tag + ".plus." + additional_commits + "+" + commitish
else:
version = commitish
return version
# Visit all the .py files in topdir. Replace any __version__ = "0.0.0-auto.0" type of info
# with actual version info derived from git.
def copy_and_process(in_dir, out_dir):
for root, subdirs, files in os.walk(in_dir):
# Skip library examples directory and subfolders.
relative_path_parts = Path(root).relative_to(in_dir).parts
if relative_path_parts and relative_path_parts[0] in ['examples', 'docs', 'tests']:
del subdirs[:]
continue
for file in files:
# Skip top-level setup.py (module install info) and conf.py (sphinx config),
# which are not part of the library
if (root == in_dir) and file in ('conf.py', 'setup.py'):
continue
input_file_path = Path(root, file)
output_file_path = Path(out_dir, input_file_path.relative_to(in_dir))
if file.endswith(".py"):
if not output_file_path.parent.exists():
output_file_path.parent.mkdir(parents=True)
with input_file_path.open("r") as input, output_file_path.open("w") as output:
for line in input:
if line.startswith("__version__"):
module_version = version_string(root, valid_semver=True)
line = line.replace("0.0.0-auto.0", module_version)
output.write(line)
if __name__ == '__main__':
argparser = argparse.ArgumentParser(description="""\
Copy and pre-process .py files into output directory, before freezing.
1. Remove top-level repo directory.
2. Update __version__ info.
3. Remove examples.
4. Remove non-library setup.py and conf.py""")
argparser.add_argument("in_dirs", metavar="input-dir", nargs="+",
help="top-level code dirs (may be git repo dirs)")
argparser.add_argument("-o", "--out_dir", help="output directory")
args = argparser.parse_args()
for in_dir in args.in_dirs:
copy_and_process(in_dir, args.out_dir)