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Use stty size to find terminal width if we're on linux and COLUMNS is not exported

This commit is contained in:
Georgi Valkov 2011-08-23 17:03:28 +03:00
parent 5adcaa4385
commit 6a4f0a114d

View File

@ -2744,11 +2744,21 @@ def parseOpts():
return "".join(opts)
def _find_term_columns():
columns = os.environ.get('COLUMNS', None)
if columns: return int(columns)
if sys.platform.startswith('linux'):
try: columns = os.popen('stty size', 'r').read().split()[1]
except: pass
if columns: return int(columns)
max_width = 80
max_help_position = 80
# No need to wrap help messages if we're on a wide console
columns = os.environ.get('COLUMNS', None)
columns = _find_term_columns()
if columns: max_width = columns
fmt = optparse.IndentedHelpFormatter(width=max_width, max_help_position=max_help_position)