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# -*- coding: utf-8 -*-
# Copyright 2024 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
import os
import re
import sys
from .extractor.common import Extractor, Message
from .job import DownloadJob
from . import util, version, exception
REPOS = {
"stable" : "mikf/gallery-dl",
"dev" : "gdl-org/builds",
"nightly": "gdl-org/builds",
"master" : "gdl-org/builds",
}
BINARIES_STABLE = {
"windows" : "gallery-dl.exe",
"windows_x86": "gallery-dl.exe",
"windows_x64": "gallery-dl.exe",
"linux" : "gallery-dl.bin",
}
BINARIES_DEV = {
"windows" : "gallery-dl_windows.exe",
"windows_x86": "gallery-dl_windows_x86.exe",
"windows_x64": "gallery-dl_windows.exe",
"linux" : "gallery-dl_linux",
"macos" : "gallery-dl_macos",
}
BINARIES = {
"stable" : BINARIES_STABLE,
"dev" : BINARIES_DEV,
"nightly": BINARIES_DEV,
"master" : BINARIES_DEV,
}
class UpdateJob(DownloadJob):
def handle_url(self, url, kwdict):
if not self._check_update(kwdict):
if kwdict["_check"]:
self.status |= 1
return self.extractor.log.info(
"gallery-dl is up to date (%s)", version.__version__)
if kwdict["_check"]:
return self.extractor.log.info(
"A new release is available: %s -> %s",
version.__version__, kwdict["tag_name"])
self.extractor.log.info(
"Updating from %s to %s",
version.__version__, kwdict["tag_name"])
path_old = sys.executable + ".old"
path_new = sys.executable + ".new"
directory, filename = os.path.split(sys.executable)
pathfmt = self.pathfmt
pathfmt.extension = "new"
pathfmt.filename = filename
pathfmt.temppath = path_new
pathfmt.realpath = pathfmt.path = sys.executable
pathfmt.realdirectory = pathfmt.directory = directory
self._newline = True
if not self.download(url):
self.status |= 4
return self._error("Failed to download %s", url.rpartition("/")[2])
if not util.WINDOWS:
try:
mask = os.stat(sys.executable).st_mode
except OSError:
mask = 0o755
self._warning("Unable to get file permission bits")
try:
os.replace(sys.executable, path_old)
except OSError:
return self._error("Unable to move current executable")
try:
pathfmt.finalize()
except OSError:
self._error("Unable to overwrite current executable")
return os.replace(path_old, sys.executable)
if util.WINDOWS:
import atexit
import subprocess
cmd = 'ping 127.0.0.1 -n 5 -w 1000 & del /F "{}"'.format(path_old)
atexit.register(
util.Popen, cmd, shell=True,
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL,
)
else:
try:
os.unlink(path_old)
except OSError:
self._warning("Unable to delete old executable")
try:
os.chmod(sys.executable, mask)
except OSError:
self._warning("Unable to restore file permission bits")
self.out.success(pathfmt.path)
def _check_update(self, kwdict):
if kwdict["_exact"]:
return True
tag = kwdict["tag_name"]
if tag[0] == "v":
kwdict["tag_name"] = tag = tag[1:]
ver, _, dev = version.__version__.partition("-")
version_local = [int(v) for v in ver.split(".")]
version_remote = [int(v) for v in tag.split(".")]
if dev:
version_local[-1] -= 0.5
if version_local >= version_remote:
return False
elif version.__version__.endswith(":" + tag):
return False
return True
def _warning(self, msg, *args):
if self._newline:
self._newline = False
print()
self.extractor.log.warning(msg, *args)
def _error(self, msg, *args):
if self._newline:
self._newline = False
print()
self.status |= 1
self.extractor.log.error(msg, *args)
class UpdateExtractor(Extractor):
category = "update"
root = "https://github.com"
root_api = "https://api.github.com"
pattern = r"update(?::(.+))?"
def items(self):
tag = "latest"
check = exact = False
variant = version.__variant__ or "stable/windows"
repo, _, binary = variant.partition("/")
target = self.groups[0]
if target == "latest":
pass
elif target == "check":
check = True
else:
channel, sep, target = target.partition("@")
if sep:
repo = channel
tag = target
exact = True
elif channel in REPOS:
repo = channel
else:
tag = channel
exact = True
if re.match(r"\d\.\d+\.\d+", tag):
tag = "v" + tag
try:
path_repo = REPOS[repo or "stable"]
except KeyError:
raise exception.StopExtraction("Invalid channel '%s'", repo)
path_tag = tag if tag == "latest" else "tags/" + tag
url = "{}/repos/{}/releases/{}".format(
self.root_api, path_repo, path_tag)
headers = {
"Accept": "application/vnd.github+json",
"User-Agent": util.USERAGENT,
"X-GitHub-Api-Version": "2022-11-28",
}
data = self.request(url, headers=headers, notfound="tag").json()
data["_check"] = check
data["_exact"] = exact
if binary == "linux" and \
repo != "stable" and \
data["tag_name"] <= "2024.05.28":
binary_name = "gallery-dl_ubuntu"
else:
binary_name = BINARIES[repo][binary]
url = "{}/{}/releases/download/{}/{}".format(
self.root, path_repo, data["tag_name"], binary_name)
yield Message.Directory, data
yield Message.Url, url, data
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