weeheavy/pelican-theme
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Use watchfiles as a file watching backend

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This doesn't use polling unless absolutely necessarily, making it more efficient. It also reduces the amount of first-party code required, and simplifies working out which files are being watched.
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Jake Howard 2023-06-21 22:01:38 +01:00 • committed by Deniz Turgut
commit 61ca47c519
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GPG key ID: 87B7168D7AB3ED2F
4 changed files with 32 additions and 260 deletions
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25
pelican/__init__.py
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@ -27,7 +27,7 @@ from pelican.plugins._utils import get_plugin_name, load_plugins
from pelican.readers import Readers
from pelican.server import ComplexHTTPRequestHandler, RootedHTTPServer
from pelican.settings import read_settings
from pelican.utils import (FileSystemWatcher, clean_output_dir, maybe_pluralize)
from pelican.utils import (wait_for_changes, clean_output_dir, maybe_pluralize)
from pelican.writers import Writer
try:
@ -452,26 +452,19 @@ def autoreload(args, excqueue=None):
console.print(' --- AutoReload Mode: Monitoring `content`, `theme` and'
' `settings` for changes. ---')
pelican, settings = get_instance(args)
watcher = FileSystemWatcher(args.settings, Readers, settings)
sleep = False
settings_file = os.path.abspath(args.settings)
while True:
try:
# Don't sleep first time, but sleep afterwards to reduce cpu load
if sleep:
time.sleep(0.5)
else:
sleep = True
changed_files = wait_for_changes(args.settings, Readers, settings)
modified = watcher.check()
changed_files = {c[1] for c in changed_files}
if modified['settings']:
if settings_file in changed_files:
pelican, settings = get_instance(args)
watcher.update_watchers(settings)
if any(modified.values()):
console.print('\n-> Modified: {}. re-generating...'.format(
', '.join(k for k, v in modified.items() if v)))
pelican.run()
console.print('\n-> Modified: {}. re-generating...'.format(
', '.join(changed_files)))
pelican.run()
except KeyboardInterrupt:
if excqueue is not None:
@ -558,8 +551,6 @@ def main(argv=None):
listen(settings.get('BIND'), settings.get('PORT'),
settings.get("OUTPUT_PATH"))
else:
watcher = FileSystemWatcher(args.settings, Readers, settings)
watcher.check()
with console.status("Generating..."):
pelican.run()
except KeyboardInterrupt: