parpg-core: src/parpg/bGrease/component/field.py annotate

annotate src/parpg/bGrease/component/field.py @ 144:a6b25c2cedab

Move comment to correct place.

author	KarstenBock@gmx.net
date	Mon, 03 Oct 2011 13:05:23 +0200
parents	0f659c7675f6
children

rev	line source
92 0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	1 #############################################################################
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	2 #
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	3 # Copyright (c) 2010 by Casey Duncan and contributors
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	4 # All Rights Reserved.
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	5 #
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	6 # This software is subject to the provisions of the MIT License
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	7 # A copy of the license should accompany this distribution.
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	8 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	9 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	10 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	11 #
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	12 #############################################################################
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	13
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	14 __version__ = '$Id$'
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	15
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	16 import operator
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	17 from parpg.bGrease.geometry import Vec2d, Vec2dArray, Rect
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	18 from parpg.bGrease import color
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	19
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	20 # Allowed field types -> default values
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	21 types = {int:lambda: 0,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	22 float:lambda: 0.0,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	23 bool:lambda: False,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	24 str:lambda:"",
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	25 object:lambda:None,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	26 Vec2d:lambda: Vec2d(0,0),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	27 Vec2dArray:lambda: Vec2dArray(),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	28 color.RGBA: lambda: color.RGBA(0.0, 0.0, 0.0, 0.0),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	29 Rect: lambda: Rect(0.0, 0.0, 0.0, 0.0),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	30 list: lambda: list(),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	31 dict: lambda: dict(),
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	32 }
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	33
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	34 class Schema(dict):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	35 """Field schema definition for custom components"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	36
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	37 def __init__(self, **fields):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	38 for ftype in fields.values():
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	39 assert ftype in types, fname + " has an illegal field type"
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	40 self.update(fields)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	41
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	42
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	43 class FieldAccessor(object):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	44 """Facade for manipulating a field for a set of entities"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	45
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	46 __field = None
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	47 __entities = None
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	48 __attrs = None
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	49 __getter = None
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	50 __parent_getters = ()
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	51
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	52 def __init__(self, field, entities, attrs=()):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	53 self.__field = field
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	54 self.__entities = entities
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	55 field_getter = operator.attrgetter(field.name)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	56 self.__attrs = attrs
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	57 if attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	58 getters = [field_getter] + [operator.attrgetter(attr) for attr in attrs]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	59 def get(entity):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	60 value = entity
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	61 for getter in getters:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	62 value = getter(value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	63 return value
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	64 self.__getter = get
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	65 self.__parent_getters = getters[:-1]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	66 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	67 self.__getter = field_getter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	68
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	69 def __getattr__(self, name):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	70 """Return a FieldAccessor for the child attribute"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	71 return self.__class__(self.__field, self.__entities, self.__attrs + (name,))
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	72
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	73 def __setattr__(self, name, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	74 if value is self:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	75 return # returned by mutators
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	76 if hasattr(self.__class__, name):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	77 # Set local attr
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	78 self.__dict__[name] = value
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	79 elif not name.startswith('_'):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	80 getattr(self, name).__set__(value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	81 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	82 raise AttributeError("Cannot set field attribute: %s" % name)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	83
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	84 @property
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	85 def __setter(self):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	86 """Return the proper setter function for setting the field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	87 if not self.__attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	88 return setattr
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	89 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	90 parent_getters = self.__parent_getters
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	91 def setter(data, name, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	92 for getter in parent_getters:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	93 data = getter(data)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	94 setattr(data, name, value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	95 self.__setter = setter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	96 return setter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	97
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	98 def __set__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	99 """Set field values en masse"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	100 # Mass set field attr
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	101 setter = self.__setter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	102 component = self.__field.component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	103 if self.__attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	104 name = self.__attrs[-1]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	105 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	106 name = self.__field.name
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	107 if isinstance(value, FieldAccessor):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	108 # Join set between two entity sets
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	109 if not self.__attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	110 cast = self.__field.cast
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	111 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	112 cast = lambda x: x
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	113 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	114 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	115 setter(component[entity], name, cast(value[entity]))
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	116 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	117 pass
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	118 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	119 if not self.__attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	120 value = self.__field.cast(value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	121 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	122 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	123 setter(component[entity], name, value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	124 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	125 pass
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	126
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	127 def __getitem__(self, entity):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	128 """Return the field value for a single entity (used for joins)"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	129 if entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	130 return self.__getter(self.__field.component[entity])
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	131 raise KeyError(entity)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	132
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	133 def __contains__(self, entity):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	134 return entity in self.__entities
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	135
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	136 def __repr__(self):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	137 return '<%s %s @ %x>' % (
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	138 self.__class__.__name__,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	139 '.'.join((self.__field.name,) + self.__attrs), id(self))
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	140
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	141 def __nonzero__(self):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	142 return bool(self.__entities)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	143
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	144 def __iter__(self):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	145 """Return an iterator of all field values in the set"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	146 component = self.__field.component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	147 getter = self.__getter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	148 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	149 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	150 data = component[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	151 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	152 continue
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	153 yield getter(data)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	154
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	155 ## batch comparison operators ##
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	156
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	157 def __match(self, value, op):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	158 component = self.__field.component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	159 getter = self.__getter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	160 matches = set()
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	161 add = matches.add
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	162 if isinstance(value, FieldAccessor):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	163 # Join match between entity sets
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	164 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	165 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	166 data = component[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	167 other = value[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	168 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	169 continue
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	170 if op(getter(data), other):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	171 add(entity)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	172 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	173 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	174 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	175 data = component[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	176 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	177 continue
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	178 if op(getter(data), value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	179 add(entity)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	180 return matches
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	181
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	182 def __eq__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	183 """Return an entity set of all entities with a matching field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	184 return self.__match(value, operator.eq)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	185
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	186 def __ne__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	187 """Return an entity set of all entities not matching field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	188 return self.__match(value, operator.ne)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	189
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	190 def __gt__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	191 """Return an entity set of all entities with a greater field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	192 return self.__match(value, operator.gt)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	193
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	194 def __ge__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	195 """Return an entity set of all entities with a greater or equal field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	196 return self.__match(value, operator.ge)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	197
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	198 def __lt__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	199 """Return an entity set of all entities with a lesser field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	200 return self.__match(value, operator.lt)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	201
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	202 def __le__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	203 """Return an entity set of all entities with a lesser or equal field value"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	204 return self.__match(value, operator.le)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	205
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	206 def _contains(self, values):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	207 """Return an entity set of all entities with a field value contained in values"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	208 return self.__match(values, operator.contains)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	209
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	210 ## Batch in-place mutator methods
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	211
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	212 def __mutate(self, value, op):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	213 component = self.__field.component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	214 if self.__attrs:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	215 name = self.__attrs[-1]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	216 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	217 name = self.__field.name
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	218 getter = self.__getter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	219 setter = self.__setter
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	220 if isinstance(value, FieldAccessor):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	221 # Join between entity sets
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	222 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	223 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	224 data = component[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	225 other = value[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	226 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	227 continue
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	228 setter(data, name, op(getter(data), other))
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	229 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	230 for entity in self.__entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	231 try:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	232 data = component[entity]
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	233 except KeyError:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	234 continue
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	235 setter(data, name, op(getter(data), value))
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	236 return self
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	237
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	238 def __iadd__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	239 return self.__mutate(value, operator.iadd)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	240
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	241 def __isub__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	242 return self.__mutate(value, operator.isub)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	243
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	244 def __imul__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	245 return self.__mutate(value, operator.imul)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	246
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	247 def __idiv__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	248 return self.__mutate(value, operator.idiv)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	249
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	250 def __itruediv__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	251 return self.__mutate(value, operator.itruediv)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	252
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	253 def __ifloordiv__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	254 return self.__mutate(value, operator.ifloordiv)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	255
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	256 def __imod__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	257 return self.__mutate(value, operator.imod)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	258
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	259 def __ipow__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	260 return self.__mutate(value, operator.ipow)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	261
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	262 def __ilshift__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	263 return self.__mutate(value, operator.ilshift)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	264
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	265 def __irshift__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	266 return self.__mutate(value, operator.irshift)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	267
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	268 def __iand__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	269 return self.__mutate(value, operator.iand)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	270
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	271 def __ior__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	272 return self.__mutate(value, operator.ior)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	273
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	274 def __ixor__(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	275 return self.__mutate(value, operator.ixor)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	276
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	277
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	278 class Field(object):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	279 """Component field metadata and accessor interface"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	280
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	281 def __init__(self, component, name, type, accessor_factory=FieldAccessor):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	282 self.component = component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	283 self.name = name
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	284 self.type = type
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	285 self.default = types.get(type)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	286 self.accessor_factory = accessor_factory
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	287
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	288 def cast(self, value):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	289 """Cast value to the appropriate type for thi field"""
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	290 if self.type is not object:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	291 return self.type(value)
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	292 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	293 return value
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	294
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	295 def accessor(self, entities=None):
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	296 """Return the field accessor for the entities in the component,
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	297 or all entities in the set specified that are also in the component
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	298 """
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	299 if entities is None or entities is self.component.entities:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	300 entities = self.component.entities
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	301 else:
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	302 entities = entities & self.component.entities
0f659c7675f6 Changed "import bGrease" to "import parpg.bGrease". KarstenBock@gmx.net parents: 66 diff changeset	303 return self.accessor_factory(self, entities)

Mercurial > parpg-core

annotate src/parpg/bGrease/component/field.py @ 144:a6b25c2cedab