| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657 |
- """
- (c) 2008-2013, holger krekel
- """
- class XSpec:
- """ Execution Specification: key1=value1//key2=value2 ...
- * keys need to be unique within the specification scope
- * neither key nor value are allowed to contain "//"
- * keys are not allowed to contain "="
- * keys are not allowed to start with underscore
- * if no "=value" is given, assume a boolean True value
- """
- # XXX allow customization, for only allow specific key names
- popen = ssh = socket = python = chdir = nice = \
- dont_write_bytecode = execmodel = None
- def __init__(self, string):
- self._spec = string
- self.env = {}
- for keyvalue in string.split("//"):
- i = keyvalue.find("=")
- if i == -1:
- key, value = keyvalue, True
- else:
- key, value = keyvalue[:i], keyvalue[i + 1:]
- if key[0] == "_":
- raise AttributeError("%r not a valid XSpec key" % key)
- if key in self.__dict__:
- raise ValueError("duplicate key: {!r} in {!r}".format(key, string))
- if key.startswith("env:"):
- self.env[key[4:]] = value
- else:
- setattr(self, key, value)
- def __getattr__(self, name):
- if name[0] == "_":
- raise AttributeError(name)
- return None
- def __repr__(self):
- return "<XSpec {!r}>".format(self._spec)
- def __str__(self):
- return self._spec
- def __hash__(self):
- return hash(self._spec)
- def __eq__(self, other):
- return self._spec == getattr(other, '_spec', None)
- def __ne__(self, other):
- return self._spec != getattr(other, '_spec', None)
- def _samefilesystem(self):
- return self.popen is not None and self.chdir is None
|
