Christian Ebert avatar Christian Ebert committed 8cb0753

util: prepare program name extraction function

Will replace appname() in pybrowser and be used in systemcall.

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     '''Returns true when we are on cygwin.'''
     return sys.platform == 'cygwin'
+def progname(prog):
+    '''Extracts program name from /path/to/name(.exe).
+    Returns empty string when prog is None.'''
+    try:
+        return os.path.splitext(os.path.basename(prog))[0]
+    except AttributeError:
+        return ''
 def systemcall(cs, notty=False, screen=False):
     '''Calls command sequence cs in manner suiting
     terminal connectivity.'''
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