Files
mkdocs-material/material/plugins/projects/builder/watcher/__init__.py
2025-11-11 09:44:22 +01:00

99 lines
3.8 KiB
Python

# Copyright (c) 2016-2025 Martin Donath <martin.donath@squidfunk.com>
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
from __future__ import annotations
import os
from collections.abc import Callable
from material.plugins.projects.structure import Project
from mkdocs.livereload import LiveReloadServer
from .handler import ProjectChanged, ProjectAddedOrRemoved
# -----------------------------------------------------------------------------
# Classes
# -----------------------------------------------------------------------------
# Projects watcher
class ProjectsWatcher:
# Set of watched paths
watched: set[str] = set()
# Initialize projects watcher
def __init__(self, server: LiveReloadServer):
self.server = server
# Watch project and invoke function on change
def watch(self, project: Project, fn: Callable):
self._on_project_changed(project, fn)
self._on_project_added_or_removed(project, fn)
# Stop watching project
def unwatch(self, project: Project):
# Traverse all watched paths
root = os.path.dirname(project.config.config_file_path)
for path in [*self.watched]:
# Remove path from watched paths
if path.startswith(root):
self.server.unwatch(path)
self.watched.remove(path)
# -------------------------------------------------------------------------
# Register event handler for project changes
def _on_project_changed(self, project: Project, fn: Callable):
# Resolve project root and docs directory
root = os.path.dirname(project.config.config_file_path)
docs = os.path.join(root, project.config.docs_dir)
# Collect all paths to watch
paths = set([docs, project.config.config_file_path])
for path in project.config.watch:
paths.add(os.path.join(root, path))
# Register event handler for unwatched paths
handler = ProjectChanged(project, fn)
for path in paths - self.watched:
self.server.watch(path)
# Add path and its descendents to watched paths
self.server.observer.schedule(handler, path, recursive = True)
self.watched.add(path)
# Register event handler for project additions and removals
def _on_project_added_or_removed(self, project: Project, fn: Callable):
# Resolve project root and path to projects directory
root = os.path.dirname(project.config.config_file_path)
path = os.path.join(root, project.plugin.projects_dir)
# Register event handler for unwatched paths
handler = ProjectAddedOrRemoved(project, fn)
if path not in self.watched and os.path.isdir(path):
# Add path to watched paths
self.server.observer.schedule(handler, path)
self.watched.add(path)