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[update] Expose more functionality to API

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pull/4158/head
pukkandan 2 years ago
parent f0500bd1e4
commit 57e0f077a6
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GPG Key ID: 7EEE9E1E817D0A39
4 changed files with 164 additions and 124 deletions
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1
pyinst.py
Unescape Escape View File

@ -5,7 +5,6 @@ import sys
from PyInstaller.__main__ import run as run_pyinstaller
OS_NAME, ARCH = sys.platform, platform.architecture()[0][:2]

2
yt_dlp/compat/__init__.py
Unescape Escape View File

@ -55,7 +55,7 @@ if compat_os_name == 'nt' and sys.version_info < (3, 8):
def compat_realpath(path):
while os.path.islink(path):
path = os.path.abspath(os.readlink(path))
return path
return os.path.realpath(path)
else:
compat_realpath = os.path.realpath

278
yt_dlp/update.py
Unescape Escape View File

@ -11,8 +11,8 @@ from .compat import compat_realpath
from .utils import Popen, traverse_obj, version_tuple
from .version import __version__
RELEASE_JSON_URL = 'https://api.github.com/repos/yt-dlp/yt-dlp/releases/latest'
REPOSITORY = 'yt-dlp/yt-dlp'
API_URL = f'https://api.github.com/repos/{REPOSITORY}/releases/latest'
@functools.cache
@ -60,137 +60,176 @@ def is_non_updateable():
return _NON_UPDATEABLE_REASONS.get(detect_variant(), _NON_UPDATEABLE_REASONS['other'])
def run_update(ydl):
"""
Update the program file with the latest version from the repository
Returns whether the program should terminate
"""
def report_error(msg, expected=False):
ydl.report_error(msg, tb=False if expected else None)
def report_unable(action, expected=False):
report_error(f'Unable to {action}', expected)
def _sha256_file(path):
h = hashlib.sha256()
mv = memoryview(bytearray(128 * 1024))
with open(os.path.realpath(path), 'rb', buffering=0) as f:
for n in iter(lambda: f.readinto(mv), 0):
h.update(mv[:n])
return h.hexdigest()
class Updater:
def __init__(self, ydl):
self.ydl = ydl
@functools.cached_property
def _new_version_info(self):
self.ydl.write_debug(f'Fetching release info: {API_URL}')
return json.loads(self.ydl.urlopen(API_URL).read().decode())
@property
def current_version(self):
"""Current version"""
return __version__
@property
def new_version(self):
"""Version of the latest release"""
return self._new_version_info['tag_name']
@property
def has_update(self):
"""Whether there is an update available"""
return version_tuple(__version__) < version_tuple(self.new_version)
@functools.cached_property
def filename(self):
"""Filename of the executable"""
return compat_realpath(_get_variant_and_executable_path()[1])
def _download(self, name=None):
name = name or self.release_name
url = traverse_obj(self._new_version_info, (
'assets', lambda _, v: v['name'] == name, 'browser_download_url'), get_all=False)
if not url:
raise Exception('Unable to find download URL')
self.ydl.write_debug(f'Downloading {name} from {url}')
return self.ydl.urlopen(url).read()
@functools.cached_property
def release_name(self):
"""The release filename"""
label = _FILE_SUFFIXES[detect_variant()]
if label and platform.architecture()[0][:2] == '32':
label = f'_x86{label}'
return f'yt-dlp{label}'
@functools.cached_property
def release_hash(self):
"""Hash of the latest release"""
hash_data = dict(ln.split()[::-1] for ln in self._download('SHA2-256SUMS').decode().splitlines())
return hash_data[self.release_name]
def _report_error(self, msg, expected=False):
self.ydl.report_error(msg, tb=False if expected else None)
def _report_permission_error(self, file):
self._report_error(f'Unable to write to {file}; Try running as administrator', True)
def _report_network_error(self, action, delim=';'):
self._report_error(f'Unable to {action}{delim} Visit https://github.com/{REPOSITORY}/releases/latest', True)
def check_update(self):
"""Report whether there is an update available"""
try:
self.ydl.to_screen(
f'Latest version: {self.new_version}, Current version: {self.current_version}')
except Exception:
return self._report_network_error('obtain version info', delim='; Please try again later or')
def report_permission_error(file):
report_unable(f'write to {file}; Try running as administrator', True)
if not self.has_update:
return self.ydl.to_screen(f'yt-dlp is up to date ({__version__})')
def report_network_error(action, delim=';'):
report_unable(f'{action}{delim} Visit https://github.com/yt-dlp/yt-dlp/releases/latest', True)
if not is_non_updateable():
self.ydl.to_screen(f'Current Build Hash {_sha256_file(self.filename)}')
return True
def calc_sha256sum(path):
h = hashlib.sha256()
mv = memoryview(bytearray(128 * 1024))
with open(os.path.realpath(path), 'rb', buffering=0) as f:
for n in iter(lambda: f.readinto(mv), 0):
h.update(mv[:n])
return h.hexdigest()
def update(self):
"""Update yt-dlp executable to the latest version"""
if not self.check_update():
return
err = is_non_updateable()
if err:
return self._report_error(err, True)
self.ydl.to_screen(f'Updating to version {self.new_version} ...')
directory = os.path.dirname(self.filename)
if not os.access(self.filename, os.W_OK):
return self._report_permission_error(self.filename)
elif not os.access(directory, os.W_OK):
return self._report_permission_error(directory)
new_filename, old_filename = f'{self.filename}.new', f'{self.filename}.old'
if detect_variant() == 'zip': # Can be replaced in-place
new_filename, old_filename = self.filename, None
try:
version_info = json.loads(ydl.urlopen(RELEASE_JSON_URL).read().decode())
except Exception:
return report_network_error('obtain version info', delim='; Please try again later or')
try:
if os.path.exists(old_filename or ''):
os.remove(old_filename)
except OSError:
return self._report_error('Unable to remove the old version')
version_id = version_info['tag_name']
ydl.to_screen(f'Latest version: {version_id}, Current version: {__version__}')
if version_tuple(__version__) >= version_tuple(version_id):
ydl.to_screen(f'yt-dlp is up to date ({__version__})')
return
try:
newcontent = self._download()
except OSError:
return self._report_network_error('download latest version')
except Exception:
return self._report_network_error('fetch updates')
err = is_non_updateable()
if err:
return report_error(err, True)
try:
expected_hash = self.release_hash
except Exception:
self.ydl.report_warning('no hash information found for the release')
else:
if hashlib.sha256(newcontent).hexdigest() != expected_hash:
return self._report_network_error('verify the new executable')
variant, filename = _get_variant_and_executable_path()
filename = compat_realpath(filename) # Absolute path, following symlinks
try:
with open(new_filename, 'wb') as outf:
outf.write(newcontent)
except OSError:
return self._report_permission_error(new_filename)
label = _FILE_SUFFIXES[variant]
if label and platform.architecture()[0][:2] == '32':
label = f'_x86{label}'
release_name = f'yt-dlp{label}'
try:
if old_filename:
os.rename(self.filename, old_filename)
except OSError:
return self._report_error('Unable to move current version')
try:
if old_filename:
os.rename(new_filename, self.filename)
except OSError:
self._report_error('Unable to overwrite current version')
return os.rename(old_filename, self.filename)
ydl.to_screen(f'Current Build Hash {calc_sha256sum(filename)}')
ydl.to_screen(f'Updating to version {version_id} ...')
if detect_variant() not in ('win32_exe', 'py2exe'):
if old_filename:
os.remove(old_filename)
self.ydl.to_screen(f'Updated yt-dlp to version {self.new_version}; Restart yt-dlp to use the new version')
return
def get_file(name, fatal=True):
error = report_network_error if fatal else lambda _: None
url = traverse_obj(
version_info, ('assets', lambda _, v: v['name'] == name, 'browser_download_url'), get_all=False)
if not url:
return error('fetch updates')
try:
return ydl.urlopen(url).read()
# Continues to run in the background
Popen(f'ping 127.0.0.1 -n 5 -w 1000 & del /F "{old_filename}"',
shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
self.ydl.to_screen(f'Updated yt-dlp to version {self.new_version}')
return True # Exit app
except OSError:
return error('download latest version')
def verify(content):
if not content:
return False
hash_data = get_file('SHA2-256SUMS', fatal=False) or b''
expected = dict(ln.split()[::-1] for ln in hash_data.decode().splitlines()).get(release_name)
if not expected:
ydl.report_warning('no hash information found for the release')
elif hashlib.sha256(content).hexdigest() != expected:
return report_network_error('verify the new executable')
return True
self._report_unable('delete the old version')
directory = os.path.dirname(filename)
if not os.access(filename, os.W_OK):
return report_permission_error(filename)
elif not os.access(directory, os.W_OK):
return report_permission_error(directory)
new_filename, old_filename = f'{filename}.new', f'{filename}.old'
if variant == 'zip': # Can be replaced in-place
new_filename, old_filename = filename, None
try:
if os.path.exists(old_filename or ''):
os.remove(old_filename)
except OSError:
return report_unable('remove the old version')
newcontent = get_file(release_name)
if not verify(newcontent):
return
try:
with open(new_filename, 'wb') as outf:
outf.write(newcontent)
except OSError:
return report_permission_error(new_filename)
try:
if old_filename:
os.rename(filename, old_filename)
except OSError:
return report_unable('move current version')
try:
if old_filename:
os.rename(new_filename, filename)
except OSError:
report_unable('overwrite current version')
os.rename(old_filename, filename)
return
if variant not in ('win32_exe', 'py2exe'):
if old_filename:
os.remove(old_filename)
ydl.to_screen(f'Updated yt-dlp to version {version_id}; Restart yt-dlp to use the new version')
return
try:
# Continues to run in the background
Popen(f'ping 127.0.0.1 -n 5 -w 1000 & del /F "{old_filename}"',
shell=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
ydl.to_screen(f'Updated yt-dlp to version {version_id}')
return True # Exit app
except OSError:
report_unable('delete the old version')
def run_update(ydl):
"""Update the program file with the latest version from the repository
@returns Whether there was a successfull update (No update = False)
"""
return Updater(ydl).update()
# Deprecated
def update_self(to_screen, verbose, opener):
import traceback
from .utils import write_string
write_string(
@ -202,12 +241,10 @@ def update_self(to_screen, verbose, opener):
class FakeYDL():
to_screen = printfn
@staticmethod
def report_warning(msg, *args, **kwargs):
def report_warning(self, msg, *args, **kwargs):
return printfn(f'WARNING: {msg}', *args, **kwargs)
@staticmethod
def report_error(msg, tb=None):
def report_error(self, msg, tb=None):
printfn(f'ERROR: {msg}')
if not verbose:
return
@ -224,6 +261,9 @@ def update_self(to_screen, verbose, opener):
if tb:
printfn(tb)
def write_debug(self, msg, *args, **kwargs):
printfn(f'[debug] {msg}', *args, **kwargs)
def urlopen(self, url):
return opener.open(url)

7
yt_dlp/utils.py
Unescape Escape View File

@ -991,9 +991,10 @@ def make_HTTPS_handler(params, **kwargs):
def bug_reports_message(before=';'):
msg = ('please report this issue on https://github.com/yt-dlp/yt-dlp/issues?q= , '
'filling out the appropriate issue template. '
'Confirm you are on the latest version using yt-dlp -U')
from .update import REPOSITORY
msg = (f'please report this issue on https://github.com/{REPOSITORY}/issues?q= , '
'filling out the appropriate issue template. Confirm you are on the latest version using yt-dlp -U')
before = before.rstrip()
if not before or before.endswith(('.', '!', '?')):

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