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import sys |
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import json |
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4
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from ..nodes import AbstractNode |
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from ..exceptions import AttributeNotProvided |
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from ..utils import SerializableAttributesHolder |
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if sys.version_info[0] >= 3: |
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basestring = str |
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class TraceItem(SerializableAttributesHolder): |
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"""Represents a trace item. |
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https://github.com/ProjetPP/Documentation/blob/master/module-communication.md#format-of-a-trace-item |
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""" |
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__slots__ = () |
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_possible_attributes = ('module', 'tree', 'measures', 'times') |
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def _check_attributes(self, attributes, extra=None): |
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super(TraceItem, self)._check_attributes(attributes) |
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# Allow missing 'time' attribute for now (transitioning) |
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missing_attributes = {'module', 'tree', 'measures'} - set(attributes.keys()) |
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if missing_attributes: |
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raise AttributeNotProvided('Missing attributes: %s' % ', '.join(missing_attributes)) |
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if not isinstance(attributes['module'], basestring): |
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raise TypeError('"module" attribute is not a string.') |
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if not isinstance(attributes['tree'], AbstractNode): |
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raise TypeError('"tree" attribute is not an AbstractNode.') |
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if not isinstance(attributes['measures'], dict): |
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raise TypeError('"measures" attribute is not a dict.') |
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if 'times' in attributes and not isinstance(attributes['times'], dict): |
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raise TypeError('"times" attribute is not a dict.') |
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def _parse_attributes(self, attributes): |
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# Allow missing 'time' attribute for now (transitioning) |
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attributes.setdefault('times', {}) |
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super(TraceItem, self)._parse_attributes(attributes) |
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def __eq__(self, other): |
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if not isinstance(other, TraceItem): |
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return False |
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else: |
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return super(TraceItem, self).__eq__(other) |
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def __hash__(self): |
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return hash((TraceItem, self._attributes)) |
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@classmethod |
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def deserialize_attribute(cls, key, value): |
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if key == 'tree': |
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return AbstractNode.deserialize_attribute(key, value) |
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else: |
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return value |
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ProjetPP /
PPP-datamodel-Python
