Merge pull request #30 from avatao-content/terminalcommands

Terminalcommands

lib/tfw/components/__init__.py

@@ -6,3 +6,4 @@ from .process_managing_event_handler import ProcessManagingEventHandler
 from .terminado_event_handler import TerminadoEventHandler
 from .webide_event_handler import WebideEventHandler
 from .history_monitor import HistoryMonitor, BashMonitor, GDBMonitor
+from .terminal_commands import TerminalCommands

lib/tfw/components/terminal_commands.py

@@ -0,0 +1,42 @@
+from abc import ABC
+from re import match
+
+from tfw.config.logs import logging
+
+LOG = logging.getLogger(__name__)
+
+
+class TerminalCommands(ABC):
+    def __init__(self, bashrc=None):
+        self._command_method_regex = r'^command_(.+)$'
+        self.command_implemetations = {self._parse_command_name(fun): getattr(self, fun) for fun in dir(self)
+                                       if callable(getattr(self, fun)) and self._is_command_implementation(fun)}
+        if bashrc is not None:
+            self._setup_bashrc_aliases(bashrc)
+
+    def _setup_bashrc_aliases(self, bashrc):
+        with open(bashrc, 'a') as ofile:
+            alias_template = 'alias {0}="{0} > /dev/null 2>&1"\n'
+            for command in self.command_implemetations.keys():
+                ofile.write(alias_template.format(command))
+
+    def _is_command_implementation(self, method_name):
+        return bool(self._match_command_regex(method_name))
+
+    def _parse_command_name(self, method_name):
+        try:
+            return self._match_command_regex(method_name).groups()[0]
+        except AttributeError:
+            return ''
+
+    def _match_command_regex(self, string):
+        return match(self._command_method_regex, string)
+
+    def callback(self, history):
+        parts = history[-1].split()
+        command = parts[0]
+        if command in self.command_implemetations.keys():
+            try:
+                self.command_implemetations[command](*parts[1:])
+            except IndexError:
+                LOG.debug('Command "%s" failed!', command)