Make project comply new coding standards and pylint

lib/tfw/components/directory_monitor.py

@@ -61,7 +61,8 @@ class WebideReloadWatchdogEventHandler(FileSystemWatchdogEventHandler):
 
     @RateLimiter(rate_per_second=2)
     def on_modified(self, event):
-        if self._paused: return
+        if self._paused:
+            return
         if self.ignore > 0:
             self.ignore = self.ignore - 1
             return

lib/tfw/components/directory_monitoring_event_handler.py

@@ -24,7 +24,8 @@ class DirectoryMonitoringEventHandler(TriggerlessEventHandler):
 
     @directory.setter
     def directory(self, directory):
-        if not exists(directory) or not isdir(directory): raise EnvironmentError('No such directory!')
+        if not exists(directory) or not isdir(directory):
+            raise EnvironmentError('No such directory!')
         self._directory = directory
 
     @property
@@ -33,8 +34,10 @@ class DirectoryMonitoringEventHandler(TriggerlessEventHandler):
 
     def reload_monitor(self):
         if self._monitor:
-            try: self._monitor.stop()
-            except KeyError: logging.debug('Working directory was removed – ignoring...')
+            try:
+                self._monitor.stop()
+            except KeyError:
+                logging.debug('Working directory was removed – ignoring...')
         self._monitor = DirectoryMonitor(self._directory)
         self._monitor.watch()   # This runs on a separate thread
 

lib/tfw/components/history_monitor.py

@@ -1,5 +1,6 @@
 from os.path import dirname
-from re import compile, findall
+from re import findall
+from re import compile as compileregex
 from abc import ABC, abstractmethod
 
 from watchdog.observers import Observer
@@ -39,7 +40,7 @@ class HistoryMonitor(CallbackMixin, ABC):
     def _fetch_history(self):
         self._last_length = len(self._history)
         with open(self.histfile, 'r') as ifile:
-            pattern = compile(self.command_pattern)
+            pattern = compileregex(self.command_pattern)
             data = ifile.read()
             self._history = [self.sanitize_command(command) for command in findall(pattern, data)]
 

lib/tfw/components/source_code_event_handler.py

@@ -22,8 +22,10 @@ class FileManager:
 
     @exclude.setter
     def exclude(self, exclude):
-        if exclude is None: return
-        if not isinstance(exclude, Iterable): raise TypeError('Exclude must be Iterable!')
+        if exclude is None:
+            return
+        if not isinstance(exclude, Iterable):
+            raise TypeError('Exclude must be Iterable!')
         self._exclude = exclude
 
     @property
@@ -89,28 +91,38 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
 
     def reload_monitor(self):
         if self._monitor:
-            try: self._monitor.stop()
-            except KeyError: logging.debug('Working directory was removed – ignoring...')
+            try:
+                self._monitor.stop()
+            except KeyError:
+                logging.debug('Working directory was removed – ignoring...')
         self._monitor = DirectoryMonitor(self.filemanager.workdir)
         self._monitor.watch()   # This runs on a separate thread
 
     def read(self, data):
-        try: data['content'] = self.filemanager.file_contents
-        except PermissionError: data['content'] = 'You have no permission to open that file :('
-        except FileNotFoundError: data['content'] = 'This file was removed :('
-        except Exception: data['content'] = 'Failed to read file :('
+        try:
+            data['content'] = self.filemanager.file_contents
+        except PermissionError:
+            data['content'] = 'You have no permission to open that file :('
+        except FileNotFoundError:
+            data['content'] = 'This file was removed :('
+        except Exception:
+            data['content'] = 'Failed to read file :('
         return data
 
     def write(self, data):
         self.monitor.ignore = self.monitor.ignore + 1
-        try: self.filemanager.file_contents = data['content']
-        except Exception: LOG.exception('Error writing file!')
+        try:
+            self.filemanager.file_contents = data['content']
+        except Exception:
+            LOG.exception('Error writing file!')
         del data['content']
         return data
 
     def select(self, data):
-        try: self.filemanager.filename = data['filename']
-        except EnvironmentError: LOG.exception('Failed to select file "%s"', data['filename'])
+        try:
+            self.filemanager.filename = data['filename']
+        except EnvironmentError:
+            LOG.exception('Failed to select file "%s"', data['filename'])
         return data
 
     def select_dir(self, data):
@@ -127,8 +139,10 @@ class SourceCodeEventHandler(TriggerlessEventHandler):
         return data
 
     def exclude(self, data):
-        try: self.filemanager.exclude = list(data['exclude'])
-        except TypeError: LOG.error('Exclude must be Iterable!')
+        try:
+            self.filemanager.exclude = list(data['exclude'])
+        except TypeError:
+            LOG.error('Exclude must be Iterable!')
         return data
 
     def attach_fileinfo(self, data):