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import sys |
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import json |
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4
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from .traceitem import TraceItem |
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from ..nodes import AbstractNode |
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from .traceitem import TraceItem |
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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 Request(SerializableAttributesHolder): |
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"""Represents a request. |
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https://github.com/ProjetPP/Documentation/blob/master/module-communication.md#request |
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""" |
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__slots__ = () |
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_possible_attributes = ('id', 'language', 'tree', 'measures', 'trace', 'response_language') |
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def _check_attributes(self, attributes, extra=None): |
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super(Request, self)._check_attributes(attributes) |
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missing_attributes = {'id', 'language', 'tree'} - 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['language'], basestring): |
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raise TypeError('"language" attribute is not a string.') |
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attributes.setdefault('measures', {}) |
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attributes.setdefault('trace', []) |
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if 'response_language' not in attributes: |
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attributes['response_language'] = attributes['language'] |
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elif not isinstance(attributes['response_language'], basestring): |
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raise TypeError('"response_language" 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 not isinstance(attributes['trace'], list): |
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raise TypeError('"trace" attribute is not a list.') |
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def _parse_attributes(self, attributes): |
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attributes['measures'] = attributes.get('measures', {}) |
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attributes['trace'] = \ |
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[x if isinstance(x, TraceItem) else TraceItem.from_dict(x) |
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for x in attributes.get('trace', [])] |
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super(Request, self)._parse_attributes(attributes) |
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def __eq__(self, other): |
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if not isinstance(other, Request): |
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return False |
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else: |
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return super(Request, self).__eq__(other) |
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def __hash__(self): |
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return hash((Request, self._attributes)) |
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56
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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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elif key == 'trace': |
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return [TraceItem.from_dict(x) for x in value] |
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else: |
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return value |
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ProjetPP /
PPP-datamodel-Python
