mirror of
https://github.com/avatao-content/baseimage-tutorial-framework
synced 2024-11-12 22:57:17 +00:00
97 lines
3.2 KiB
Python
97 lines
3.2 KiB
Python
from os.path import isfile, join, relpath
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from glob import glob
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from tfw.event_handler_base import TriggerlessEventHandler
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from tfw.components.directory_monitor import DirectoryMonitor
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from tfw.config.logs import logging
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log = logging.getLogger(__name__)
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class FileManager:
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def __init__(self, working_directory, selected_file=None):
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self.exclude = ['__pycache__']
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self._workdir = working_directory
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self.filename = selected_file or self.files[0]
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def select_file(self, filename):
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if not filename in self.files:
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raise EnvironmentError('No such file in workdir!')
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self.filename = filename
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@property
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def files(self):
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return [self._relpath(file) for file in glob(join(self._workdir, '**/*'), recursive=True)
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if isfile(file) and
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not any(word in file for word in self.exclude)]
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@property
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def file_contents(self):
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with open(self._filepath(self.filename), 'r', errors='surrogateescape') as ifile:
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return ifile.read()
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@file_contents.setter
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def file_contents(self, value):
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with open(self._filepath(self.filename), 'w', errors='surrogateescape') as ofile:
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ofile.write(value)
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def _filepath(self, filename):
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return join(self._workdir, filename)
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def _relpath(self, filename):
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return relpath(self._filepath(filename), start=self._workdir)
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class SourceCodeEventHandler(TriggerlessEventHandler):
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def __init__(self, key, directory, selected_file=None):
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super().__init__(key)
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self.filemanager = FileManager(directory, selected_file=selected_file)
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self.commands = {
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'read': self.read,
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'write': self.write,
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'select': self.select
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}
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self._monitor = DirectoryMonitor(directory)
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self._monitor.watch() # This runs on a separate thread
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@property
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def monitor(self):
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return self._monitor
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def read(self, data):
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try: data['content'] = self.filemanager.file_contents
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except PermissionError: data['content'] = 'You have no permission to open that file :('
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except FileNotFoundError: data['content'] = 'This file was removed :('
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except Exception: data['content'] = 'Failed to read file :('
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return data
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def write(self, data):
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self.monitor.eventhandler.ignore = 1
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try: self.filemanager.file_contents = data['content']
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except Exception: log.exception('Error writing file!')
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del data['content']
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return data
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def select(self, data):
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try: self.filemanager.select_file(data['filename'])
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except EnvironmentError: log.exception('Failed to select file "{}"'.format(data['filename']))
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return data
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def attach_fileinfo(self, data):
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data['filename'] = self.filemanager.filename
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data['files'] = self.filemanager.files
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def handle_event(self, key, data_json):
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try:
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data = data_json['data']
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data_json['data'] = self.commands[data['command']](data)
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self.attach_fileinfo(data)
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return data_json
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except KeyError:
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log.error('IGNORING MESSAGE: Invalid data_json received: {}'.format(data_json))
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def cleanup(self):
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self.monitor.stop()
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