78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
__all__ = (
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"kconfigfile",
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)
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class _entry(object):
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__slots__ = "name"
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def __init__(self, name):
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self.name = name
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class _entry_string(_entry):
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__slots__ = "value"
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def __init__(self, name, value):
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super(_entry_string, self).__init__(name)
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self.value = value
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def __str__(self):
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return "CONFIG_%s=%s" % (self.name, self.value)
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class _entry_tristate(_entry):
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__slots__ = "value"
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VALUE_NO = 0
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VALUE_YES = 1
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VALUE_MOD = 2
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def __init__(self, name, value = None):
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super(_entry_tristate, self).__init__(name)
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if value == 'n' or value is None:
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self.value = self.VALUE_NO
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elif value == 'y':
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self.value = self.VALUE_YES
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elif value == 'm':
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self.value = self.VALUE_MOD
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def __str__(self):
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conf = "CONFIG_%s" % self.name
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if self.value == self.VALUE_NO:
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return "# %s is not set" % conf
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elif self.value == self.VALUE_YES:
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return "%s=y" % conf
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elif self.value == self.VALUE_MOD:
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return "%s=m" % conf
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class kconfigfile(dict):
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def __str__(self):
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ret = []
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for i in self.str_iter():
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ret.append(i)
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return '\n'.join(ret) + '\n'
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def read(self, f):
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for line in iter(f.readlines()):
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line = line.strip()
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if line.startswith("CONFIG_"):
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i = line.find('=')
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option = line[7:i]
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value = line[i+1:]
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if value in ('y', 'm'):
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entry = _entry_tristate(option, value)
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else:
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entry = _entry_string(option, value)
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self[option] = entry
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elif line.startswith("# CONFIG_"):
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option = line[9:-11]
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self[option] = _entry_tristate(option)
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elif line.startswith("#") or not line:
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pass
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else:
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raise RuntimeError, "Can't recognize %s" % line
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def str_iter(self):
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for key, value in self.iteritems():
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yield str(value)
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