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Switch to RegexMatchingEventHandler

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This commit is contained in:
Isaiah Odhner 2024-11-02 12:34:26 -04:00
parent fc269f3a90
commit c7a6bc112b
2 changed files with 19 additions and 16 deletions
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3
cspell.json
View File

@ -55,6 +55,8 @@
"dockable",
"docstrings",
"domtree",
"dotfiles",
"dotfolders",
"Dunder",
"emacsclient",
"executablepath",
@ -135,6 +137,7 @@
"rasterization",
"razorkwin",
"rects",
"regexes",
"renderable",
"rmam",
"rmate",

32
src/textual_paint/auto_restart.py
View File

@ -81,10 +81,13 @@ def restart_on_changes(app: PaintApp|GalleryApp) -> None:
"""Restarts the current program when a file is changed"""
from watchdog.events import (EVENT_TYPE_CLOSED, EVENT_TYPE_OPENED,
FileSystemEvent, PatternMatchingEventHandler)
FileSystemEvent, RegexMatchingEventHandler)
from watchdog.observers import Observer
class RestartHandler(PatternMatchingEventHandler):
# Why RegexMatchingEventHandler instead of PatternMatchingEventHandler?
# Because watchdog doesn't match zero directories for `**` patterns, requiring writing everything twice,
# and the ignore patterns weren't working at all on Windows.
class RestartHandler(RegexMatchingEventHandler):
"""A handler for file changes"""
def on_any_event(self, event: FileSystemEvent) -> None:
if event.event_type in (EVENT_TYPE_CLOSED, EVENT_TYPE_OPENED):
@ -116,22 +119,19 @@ def restart_on_changes(app: PaintApp|GalleryApp) -> None:
handler = RestartHandler(
# Don't need to restart on changes to .css, since Textual will reload them in --dev mode
# Could include localization files, but I'm not actively localizing this app at this point.
# WET: WatchDog doesn't match zero directories for **, so we have to split up any patterns that use it.
# BTW: I have a VS Code launch configuration specifically for testing this.
# FIXME: Ignore patterns aren't working on Windows.
# Might be able to update watchdog, or might have to switch to RegexMatchingEventHandler.
# RegexMatchingEventHandler should be able to be DRY anyway.
patterns=[
"**/*.py", "*.py"
# NOTE: watchdog uses pattern.match() which matches from the beginning of a string
# but it doesn't have to be a full match, so it's asymmetrical in how it treats the beginning and end.
regexes=[
r".*\.py$",
],
ignore_patterns=[
".history/**/*", ".history/*", # "./.history/**/*", "./.history/*", "**/.history/**/*", "**/.history/*",
# ".history\\**\\*", ".history\\*", ".\\.history\\**\\*", ".\\.history\\*", "**\\.history\\**\\*", "**\\.history\\*",
".vscode/**/*", ".vscode/*",
".git/**/*", ".git/*",
"node_modules/**/*", "node_modules/*",
"__pycache__/**/*", "__pycache__/*",
"venv/**/*", "venv/*",
ignore_regexes=[
r".*(/|\\|^)\.[^/\\]", # dotfiles and dotfolders, e.g. .git, .vscode, .history, .venv, .env, .pytest_cache
r".*(/|\\|^)node_modules(/|\\|$)",
r".*(/|\\|^)__pycache__(/|\\|$)",
r".*(/|\\|^)v?env(/|\\|$)", # just in case you don't use the folder name ".venv" recommended in the readme, and which the VS Code launch tasks are set up for
# only matching *.py files, so we don't need to handle *.ans~ or *.py~
# r".*~$", # backup files, as saved by Textual Paint (and some text editors)
],
ignore_directories=True,
)