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#!/usr/bin/python3
#
# Copyright © 2020 Dr. Tobias Quathamer <toddy@debian.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import os
import re
import shutil
import subprocess
import sys
import urllib.request
# Read package information from a JSON file, if available
package_data = {}
if os.path.exists("downloads/packages.json"):
with open("downloads/packages.json") as input_file:
package_data = json.loads(input_file.read())
# Get current package information
download_page = urllib.request.urlopen("https://ftp.gwdg.de/pub/opensuse/tumbleweed/repo/oss/x86_64/")
contents = download_page.read().decode()
download_page.close()
# Also get noarch package information as a fallback
download_page = urllib.request.urlopen("https://ftp.gwdg.de/pub/opensuse/tumbleweed/repo/oss/noarch/")
contents_fallback = download_page.read().decode()
download_page.close()
# Read all packages names
with open("packages.txt") as input_file:
for line in input_file:
package = line.strip()
# Download HTML page and discover the correct link
print("Checking package '{}' ... ".format(package), end="")
# Match package names from x86_64, excluding 32-bit ones
package_url = re.findall(r"\"({}-(?!32bit-)(?:[0-9a-z.%B]+)-(?:[0-9]+)\.(?:[0-9]+)\.x86_64.rpm)\"".format(package), contents)
arch = 'x86_64'
# Fall back to noarch, place of packages without ELF binary
if len(package_url) == 0:
package_url = re.findall(r"\"({}-(?:[0-9a-z.%B]+)-(?:[0-9]+)\.(?:[0-9]+)\.noarch.rpm)\"".format(package), contents_fallback)
arch = 'noarch'
if len(package_url) != 1:
print()
print("Error: Could not find URL for '{}'.".format(package), file=sys.stderr)
print("If this is a permanent error, please remove the package from the file packages.txt.", file=sys.stderr)
continue
else:
package_url = package_url[0]
package_url = "https://ftp.gwdg.de/pub/opensuse/tumbleweed/repo/oss/{}/{}".format(arch, package_url)
package_filename = re.split(r"/", package_url)[-1]
# If the latest download is already available, skip this package
if package in package_data:
if package_data[package]['filename'] == package_filename:
print("current.")
continue
# Store information about downloaded package
package_data[package] = {
'filename': package_filename,
'needs_templates': True,
'needs_update': True,
}
# Prepare for downloading the file
package_dir = "downloads/{}".format(package)
local_filename = "downloads/{}/{}".format(package, package_filename)
# Ensure there are no leftovers of previous packages
os.makedirs(package_dir, exist_ok=True)
shutil.rmtree(package_dir)
os.makedirs(package_dir, exist_ok=True)
# Download new package
urllib.request.urlretrieve(package_url, local_filename)
print("downloaded.")
# Get the exact filename of data.tar with the extension
os.makedirs("{}/tmp".format(package_dir), exist_ok=True)
# Extract the package into a temporary file
with open("{}/tmp/tmpcpio".format(package_dir), "w") as outfile:
subprocess.run(["rpm2cpio", local_filename], stdout=outfile)
with open("{}/tmp/tmpcpio".format(package_dir), "r") as infile:
subprocess.run(["bsdcpio", "--quiet", "-i", "--make-directories"], cwd="{}/tmp".format(package_dir), stdin=infile)
# Move the manpages up
manpath = "{}/tmp/usr/share/man".format(package_dir)
for mandir in os.listdir(manpath):
if not mandir.startswith("man"):
continue
# Make sure the directory exists
os.makedirs(mandir, exist_ok=True)
shutil.move(
"{}/{}".format(manpath, mandir),
"{}".format(package_dir)
)
# Cleanups
shutil.rmtree("downloads/{}/tmp".format(package))
os.remove(local_filename)
# Save package information in a JSON file
with open("downloads/packages.json", "w") as output_file:
output_file.write(json.dumps(package_data, sort_keys=True, indent=4))
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