[ 20., 21.]])
>>> z.info
{'columns': ['distance (m)', 'force (N)']}
+
+ The data-type is also YAMLable (see :mod:`hooke.util.yaml`).
+
+ >>> import yaml
+ >>> print yaml.dump(d)
+ null
+ ...
+ <BLANKLINE>
"""
def __new__(subtype, shape, dtype=numpy.float, buffer=None, offset=0,
strides=None, order=None, info=None):
<Curve path>
>>> z.command_stack[-1].arguments['curve'] == z
True
- >>> print yaml.dump(c)
+ >>> print yaml.dump(c) # doctest: +REPORT_UDIFF
&id001 !!python/object:hooke.curve.Curve
command_stack: !!python/object/new:hooke.command_stack.CommandStack
listitems:
name: path
path: some/path
<BLANKLINE>
+
+ However, if we try and serialize the command stack first, we run
+ into `Python issue 1062277`_.
+
+ .. _Python issue 1062277: http://bugs.python.org/issue1062277
+
+ >>> pickle.dumps(c.command_stack)
+ Traceback (most recent call last):
+ ...
+ assert id(obj) not in self.memo
+ AssertionError
+
+ YAML still works, though.
+
+ >>> print yaml.dump(c.command_stack) # doctest: +REPORT_UDIFF
+ &id001 !!python/object/new:hooke.command_stack.CommandStack
+ listitems:
+ - !!python/object:hooke.engine.CommandMessage
+ arguments:
+ curve: !!python/object:hooke.curve.Curve
+ command_stack: *id001
+ data: null
+ driver: null
+ info: {}
+ name: path
+ path: some/path
+ command: curve info
+ <BLANKLINE>
"""
def __init__(self, path, info=None):
- #the data dictionary contains: {name of data: list of data sets [{[x], [y]}]
- self.name = None
- self.set_path(path)
- self.driver = None
- self.data = None
- if info == None:
- info = {}
- self.info = info
- self.command_stack = CommandStack()
- self._hooke = None # Hooke instance for Curve.load()
+ self.__setstate__({'path':path, 'info':info})
def __str__(self):
return str(self.__unicode__())
return state
def __setstate__(self, state):
- self.name = self._hooke = None
+ # .data contains: {name of data: list of data sets [{[x], [y]}]
+ # ._hooke contains a Hooke instance for Curve.load()
+ self.name = self.driver = self.data = self._hooke = None
+ self.info = {}
+ self.command_stack = CommandStack()
for key,value in state.items():
setattr(self, key, value)
+ if self.info == None:
+ self.info = {}
self.set_path(state.get('path', None))
def set_hooke(self, hooke=None):