mirror of
https://github.com/janeczku/calibre-web
synced 2024-11-16 23:04:54 +00:00
bbf6d9b026
Bugfix for feeds - removed categories related and up - load new books now working - category random now working login page is free of non accessible elements boolean custom column is vivible in UI books with only with certain languages can be shown book shelfs can be deleted from UI Anonymous user view is more resticted Added browse of series in sidebar Dependencys in vendor folder are updated to newer versions (licencs files are now present) Bugfix editing Authors names Made upload on windows working
253 lines
8.1 KiB
Python
253 lines
8.1 KiB
Python
import os
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import sys
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import time
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import subprocess
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import threading
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from itertools import chain
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from werkzeug._internal import _log
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from werkzeug._compat import PY2, iteritems, text_type
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def _iter_module_files():
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"""This iterates over all relevant Python files. It goes through all
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loaded files from modules, all files in folders of already loaded modules
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as well as all files reachable through a package.
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"""
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# The list call is necessary on Python 3 in case the module
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# dictionary modifies during iteration.
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for module in list(sys.modules.values()):
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if module is None:
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continue
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filename = getattr(module, '__file__', None)
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if filename:
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old = None
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while not os.path.isfile(filename):
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old = filename
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filename = os.path.dirname(filename)
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if filename == old:
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break
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else:
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if filename[-4:] in ('.pyc', '.pyo'):
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filename = filename[:-1]
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yield filename
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def _find_observable_paths(extra_files=None):
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"""Finds all paths that should be observed."""
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rv = set(os.path.abspath(x) for x in sys.path)
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for filename in extra_files or ():
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rv.add(os.path.dirname(os.path.abspath(filename)))
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for module in list(sys.modules.values()):
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fn = getattr(module, '__file__', None)
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if fn is None:
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continue
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fn = os.path.abspath(fn)
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rv.add(os.path.dirname(fn))
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return _find_common_roots(rv)
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def _find_common_roots(paths):
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"""Out of some paths it finds the common roots that need monitoring."""
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paths = [x.split(os.path.sep) for x in paths]
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root = {}
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for chunks in sorted(paths, key=len, reverse=True):
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node = root
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for chunk in chunks:
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node = node.setdefault(chunk, {})
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node.clear()
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rv = set()
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def _walk(node, path):
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for prefix, child in iteritems(node):
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_walk(child, path + (prefix,))
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if not node:
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rv.add('/'.join(path))
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_walk(root, ())
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return rv
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class ReloaderLoop(object):
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name = None
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# monkeypatched by testsuite. wrapping with `staticmethod` is required in
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# case time.sleep has been replaced by a non-c function (e.g. by
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# `eventlet.monkey_patch`) before we get here
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_sleep = staticmethod(time.sleep)
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def __init__(self, extra_files=None, interval=1):
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self.extra_files = set(os.path.abspath(x)
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for x in extra_files or ())
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self.interval = interval
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def run(self):
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pass
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def restart_with_reloader(self):
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"""Spawn a new Python interpreter with the same arguments as this one,
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but running the reloader thread.
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"""
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while 1:
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_log('info', ' * Restarting with %s' % self.name)
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args = [sys.executable] + sys.argv
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new_environ = os.environ.copy()
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new_environ['WERKZEUG_RUN_MAIN'] = 'true'
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# a weird bug on windows. sometimes unicode strings end up in the
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# environment and subprocess.call does not like this, encode them
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# to latin1 and continue.
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if os.name == 'nt' and PY2:
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for key, value in iteritems(new_environ):
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if isinstance(value, text_type):
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new_environ[key] = value.encode('iso-8859-1')
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exit_code = subprocess.call(args, env=new_environ,
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close_fds=False)
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if exit_code != 3:
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return exit_code
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def trigger_reload(self, filename):
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self.log_reload(filename)
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sys.exit(3)
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def log_reload(self, filename):
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filename = os.path.abspath(filename)
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_log('info', ' * Detected change in %r, reloading' % filename)
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class StatReloaderLoop(ReloaderLoop):
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name = 'stat'
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def run(self):
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mtimes = {}
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while 1:
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for filename in chain(_iter_module_files(),
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self.extra_files):
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try:
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mtime = os.stat(filename).st_mtime
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except OSError:
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continue
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old_time = mtimes.get(filename)
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if old_time is None:
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mtimes[filename] = mtime
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continue
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elif mtime > old_time:
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self.trigger_reload(filename)
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self._sleep(self.interval)
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class WatchdogReloaderLoop(ReloaderLoop):
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def __init__(self, *args, **kwargs):
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ReloaderLoop.__init__(self, *args, **kwargs)
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from watchdog.observers import Observer
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from watchdog.events import FileSystemEventHandler
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self.observable_paths = set()
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def _check_modification(filename):
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if filename in self.extra_files:
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self.trigger_reload(filename)
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dirname = os.path.dirname(filename)
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if dirname.startswith(tuple(self.observable_paths)):
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if filename.endswith(('.pyc', '.pyo')):
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self.trigger_reload(filename[:-1])
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elif filename.endswith('.py'):
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self.trigger_reload(filename)
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class _CustomHandler(FileSystemEventHandler):
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def on_created(self, event):
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_check_modification(event.src_path)
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def on_modified(self, event):
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_check_modification(event.src_path)
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def on_moved(self, event):
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_check_modification(event.src_path)
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_check_modification(event.dest_path)
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def on_deleted(self, event):
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_check_modification(event.src_path)
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reloader_name = Observer.__name__.lower()
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if reloader_name.endswith('observer'):
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reloader_name = reloader_name[:-8]
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reloader_name += ' reloader'
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self.name = reloader_name
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self.observer_class = Observer
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self.event_handler = _CustomHandler()
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self.should_reload = False
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def trigger_reload(self, filename):
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# This is called inside an event handler, which means throwing
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# SystemExit has no effect.
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# https://github.com/gorakhargosh/watchdog/issues/294
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self.should_reload = True
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self.log_reload(filename)
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def run(self):
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watches = {}
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observer = self.observer_class()
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observer.start()
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while not self.should_reload:
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to_delete = set(watches)
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paths = _find_observable_paths(self.extra_files)
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for path in paths:
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if path not in watches:
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try:
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watches[path] = observer.schedule(
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self.event_handler, path, recursive=True)
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except OSError:
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# Clear this path from list of watches We don't want
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# the same error message showing again in the next
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# iteration.
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watches[path] = None
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to_delete.discard(path)
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for path in to_delete:
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watch = watches.pop(path, None)
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if watch is not None:
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observer.unschedule(watch)
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self.observable_paths = paths
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self._sleep(self.interval)
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sys.exit(3)
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reloader_loops = {
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'stat': StatReloaderLoop,
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'watchdog': WatchdogReloaderLoop,
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}
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try:
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__import__('watchdog.observers')
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except ImportError:
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reloader_loops['auto'] = reloader_loops['stat']
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else:
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reloader_loops['auto'] = reloader_loops['watchdog']
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def run_with_reloader(main_func, extra_files=None, interval=1,
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reloader_type='auto'):
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"""Run the given function in an independent python interpreter."""
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import signal
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reloader = reloader_loops[reloader_type](extra_files, interval)
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signal.signal(signal.SIGTERM, lambda *args: sys.exit(0))
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try:
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if os.environ.get('WERKZEUG_RUN_MAIN') == 'true':
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t = threading.Thread(target=main_func, args=())
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t.setDaemon(True)
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t.start()
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reloader.run()
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else:
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sys.exit(reloader.restart_with_reloader())
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except KeyboardInterrupt:
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pass
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