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Adding "agruments" type

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This type represents arguments that are passed on a command line to an
application. It has both string and list representations.
This commit is contained in:
Sergei Trofimov 2015-05-12 11:19:28 +01:00
parent b2981a57bc
commit 5daa9014a8
1 changed files with 30 additions and 0 deletions
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30
wlauto/utils/types.py
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@ -25,8 +25,10 @@ A lot of these are intened to stpecify type conversions declaratively in place l
is not the best language to use for configuration. is not the best language to use for configuration.
""" """
import os
import re import re
import math import math
import shlex
from collections import defaultdict from collections import defaultdict
from wlauto.utils.misc import isiterable, to_identifier from wlauto.utils.misc import isiterable, to_identifier
@ -246,3 +248,31 @@ class caseless_string(str):
def format(self, *args, **kwargs): def format(self, *args, **kwargs):
return caseless_string(super(caseless_string, self).format(*args, **kwargs)) return caseless_string(super(caseless_string, self).format(*args, **kwargs))
class arguments(list):
"""
Represents command line arguments to be passed to a program.
"""
def __init__(self, value=None):
if isiterable(value):
super(arguments, self).__init__(map(str, value))
elif isinstance(value, basestring):
posix = os.name != 'nt'
super(arguments, self).__init__(shlex.split(value, posix=posix))
elif value is None:
super(arguments, self).__init__()
else:
super(arguments, self).__init__([str(value)])
def append(self, value):
return super(arguments, self).append(str(value))
def extend(self, values):
return super(arguments, self).extend(map(str, values))
def __str__(self):
return ' '.join(self)