opensourcegames/tools/phaos_source_release_to_git.py
2018-06-28 10:39:14 +02:00

204 lines
7.1 KiB
Python

"""
Downloads source releases from Sourceforge and puts them into a git repository
"""
import os
import shutil
import urllib.request
import json
import time
import zipfile
import subprocess
import datetime
import distutils.dir_util
import sys
def determine_version(name):
# to lower case
name = name.lower()
# cut leading terms
terms = ['phaos-', 'phaos', 'pv']
for t in terms:
if name.startswith(t):
name = name[len(t):]
# cut trailing '.zip'
t = '.zip'
if name.endswith(t):
name = name[:-len(t)]
return name
def determine_last_modified_date(folder):
latest_last_modified = 0
for dirpath, dirnames, filenames in os.walk(folder):
for filename in filenames:
filepath = os.path.join(dirpath, filename)
lastmodified = os.path.getmtime(filepath)
if lastmodified > latest_last_modified:
latest_last_modified = lastmodified
return latest_last_modified
def unzip_keep_last_modified(archive, destination):
"""
Assuming that destination is a directory and already existing.
"""
with zipfile.ZipFile(archive, 'r') as zip:
# zip.extractall(destination)
for zip_entry in zip.infolist():
name, date_time = zip_entry.filename, zip_entry.date_time
date_time = time.mktime(date_time + (0, 0, -1))
zip.extract(zip_entry, destination)
os.utime(os.path.join(destination, name), (date_time, date_time))
def strip_wrapping(folder):
names = os.listdir(folder)
while len(names) == 1:
folder = os.path.join(folder, names[0])
names = os.listdir(folder)
return folder
def copy_tree(source, destination):
# this gave an FileNotFoundError: [Errno 2] No such file or directory: '' on Windows
# distutils.dir_util.copy_tree(archive_path, git_path)
for dirpath, dirnames, filenames in os.walk(source):
# first create all the directory on destination
directories_to_be_created = [os.path.join(destination, os.path.relpath(os.path.join(dirpath, x), source)) for x in dirnames]
for directory in directories_to_be_created:
os.makedirs(directory, exist_ok=True)
# second copy all the files
filepaths_source = [os.path.join(dirpath, x) for x in filenames]
filepaths_destination = [os.path.join(destination, os.path.relpath(x, source)) for x in filepaths_source]
for src, dst in zip(filepaths_source, filepaths_destination):
shutil.copyfile(src, dst)
def subprocess_run(cmd):
"""
"""
result = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if result.returncode:
print("error {} in call {}".format(result.returncode, cmd))
print(result.stderr.decode('ascii'))
sys.exit(-1)
else:
print(' output: {}'.format(result.stdout.decode('ascii')))
if __name__ == '__main__':
# https://sourceforge.net/projects/phaosrpg/files/OldFiles/Pv0.7devel.zip/download is a corrupt zip
# base path is the directory containing this file
base_path = os.path.abspath(os.path.dirname(__file__))
print('base path={}'.format(base_path))
# recreate archive path
archive_path = os.path.join(base_path, 'downloads')
if not os.path.exists(archive_path):
os.mkdir(archive_path)
# load source releases urls
with open(os.path.join(base_path, 'phaos.json'), 'r') as f:
urls = json.load(f)
print('will process {} urls'.format(len(urls)))
if len(urls) != len(set(urls)):
raise RuntimeError("urls list contains duplicates")
# determine file archives from urls
archives = [x.split('/')[-2] for x in urls]
if len(archives) != len(set(archives)):
raise RuntimeError("files with duplicate archives, cannot deal with that")
# determine version from file name
versions = [determine_version(x) for x in archives]
# for version in versions:
# print(version)
# extend archives to full paths
archives = [os.path.join(archive_path, x) for x in archives]
# download them
print('download source releases')
for url, destination in zip(urls, archives):
# only if not yet existing
if os.path.exists(destination):
continue
# download
print(' download {}'.format(os.path.basename(destination)))
with urllib.request.urlopen(url) as response:
with open(destination, 'wb') as f:
shutil.copyfileobj(response, f)
time.sleep(1) # we are nice
# unzip them
print('unzip downloaded archives')
unzipped_archives = [x[:-4] for x in archives] # folder is archive name without .zip
for archive, unzipped_archive in zip(archives, unzipped_archives):
print(' unzip {}'.format(os.path.basename(archive)))
# only if not yet existing
if os.path.exists(unzipped_archive):
continue
os.mkdir(unzipped_archive)
# unzip
unzip_keep_last_modified(archive, unzipped_archive)
# go up in unzipped archives until the very first non-empty folder
unzipped_archives = [strip_wrapping(x) for x in unzipped_archives]
# determine date
dates = [determine_last_modified_date(x) for x in unzipped_archives]
dates_strings = [datetime.datetime.fromtimestamp(x).strftime('%Y-%m-%d') for x in dates]
# if len(dates_strings) != len(set(dates_strings)):
# raise RuntimeError("Some on the same day, cannot cope with that")
# gather all important stuff in one list and sort by dates
db = list(zip(urls, unzipped_archives, versions, dates, dates_strings))
db.sort(key=lambda x:x[3])
print('proposed order')
for url, _, version, _, date in db:
print(' date={} version={}'.format(date, version))
# git init
git_path = os.path.join(base_path, 'phaosrpg')
if os.path.exists(git_path):
shutil.rmtree(git_path)
os.mkdir(git_path)
os.chdir(git_path)
subprocess_run(['git', 'init'])
# now process revision by revision
print('process revisions')
git_author = 'eproductions3 <eproductions3@user.sourceforge.net>'
for url, archive_path, version, _, date in db:
print(' process version={}'.format(version))
# clear git path without deleting .git
print(' clear git')
for item in os.listdir(git_path):
# ignore '.git
if item == '.git':
continue
item = os.path.join(git_path, item)
if os.path.isdir(item):
shutil.rmtree(item)
else:
os.remove(item)
# copy unpacked source files to git path
print('copy to git')
copy_tree(archive_path, git_path)
# update the git index (add unstaged, remove deleted, ...)
print('git add')
os.chdir(git_path)
subprocess_run(['git', 'add', '--all'])
# perform the commit
print('git commit')
os.chdir(git_path)
message = 'version {} ({}) on {}'.format(version, url, date)
print(' message "{}"'.format(message))
subprocess_run(['git', 'commit', '--message={}'.format(message), '--author={}'.format(git_author), '--date={}'.format(date)])