Add LoggerApp example

1 files changed, 46 insertions, 0 deletions

diff --git a/example5.py b/example5.py
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+++ b/example5.py
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+# Copyright (C) 2014  Lars Wirzenius
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+
+import cliapp
+import logging
+
+
+class LoggerApp(cliapp.Application):
+
+    def log(self, s):
+        ''' A dummy logger function
+
+            In practice this would log the contents
+            to a file or a set of files, perhaps filtering the output or
+            prefixing each line with a date and time.
+
+        '''
+
+        self.output.write('log: %s' % s)
+        self.output.flush()
+
+    def process_args(self, args):
+        commands = [['echo', 'hello world!'], ['ls', 'nosuchthing']]
+
+        for command in commands:
+            try:
+                self.runcmd(command, stdout_callback=self.log,
+                            stderr_callback=self.log)
+            except cliapp.AppException:
+                pass
+
+LoggerApp().run()