85 lines
2.4 KiB
Python
85 lines
2.4 KiB
Python
import os
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import time
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from contextlib import suppress
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import psutil as psutil
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from watchdog.events import FileSystemEventHandler
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from watchdog.observers import Observer
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from cpl.console.console import Console
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from cpl.environment.application_environment_abc import ApplicationEnvironmentABC
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from cpl_cli.configuration.build_settings import BuildSettings
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from cpl_cli.live_server.live_server_thread import LiveServerThread
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class LiveServerService(FileSystemEventHandler):
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def __init__(self, env: ApplicationEnvironmentABC, build_settings: BuildSettings):
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"""
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Service for the live development server
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:param env:
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:param build_settings:
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"""
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FileSystemEventHandler.__init__(self)
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self._env = env
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self._build_settings = build_settings
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self._src_dir = os.path.join(self._env.working_directory, self._build_settings.source_path)
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self._ls_thread = None
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self._observer = None
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def _start_observer(self):
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"""
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Starts the file changes observer
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:return:
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"""
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self._observer = Observer()
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self._observer.schedule(self, path=self._src_dir, recursive=True)
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self._observer.start()
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def _restart(self):
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"""
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Restarts the CPL project
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:return:
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"""
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for proc in psutil.process_iter():
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with suppress(Exception):
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if proc.cmdline() == self._ls_thread.command:
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proc.kill()
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Console.write_line('Restart\n')
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while self._ls_thread.is_alive():
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time.sleep(1)
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self._start()
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def on_modified(self, event):
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"""
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Triggers when source file is modified
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:param event:
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:return:
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"""
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if event.is_directory:
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return None
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# Event is modified, you can process it now
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if str(event.src_path).endswith('.py'):
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self._observer.stop()
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self._restart()
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def _start(self):
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self._start_observer()
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self._ls_thread = LiveServerThread(self._src_dir, self._build_settings)
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self._ls_thread.start()
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self._ls_thread.join()
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Console.close()
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def start(self):
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"""
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Starts the CPL live development server
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:return:
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"""
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Console.write_line('** CPL live development server is running **')
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self._start()
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