author | Nicolas Chauvat <nicolas.chauvat@logilab.fr> |
Thu, 20 May 2010 10:40:55 +0200 | |
branch | stable |
changeset 5548 | d29d1a1ce15d |
parent 5424 | 8ecbcbff9777 |
child 5575 | 8a531340c3ef |
child 5786 | 7c16a4e7a592 |
permissions | -rw-r--r-- |
0 | 1 |
# -*- coding: iso-8859-1 -*- |
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# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved. |
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr |
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# |
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# This file is part of CubicWeb. |
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# |
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# CubicWeb is free software: you can redistribute it and/or modify it under the |
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# terms of the GNU Lesser General Public License as published by the Free |
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# Software Foundation, either version 2.1 of the License, or (at your option) |
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# any later version. |
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# |
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# CubicWeb is distributed in the hope that it will be useful, but WITHOUT |
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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# details. |
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# |
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# You should have received a copy of the GNU Lesser General Public License along |
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# with CubicWeb. If not, see <http://www.gnu.org/licenses/>. |
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"""This modules defines func / methods for creating test repositories |
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""" |
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__docformat__ = "restructuredtext en" |
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from random import randint, choice |
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from copy import deepcopy |
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from datetime import datetime, date, time, timedelta |
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from decimal import Decimal |
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from logilab.common import attrdict |
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from yams.constraints import (SizeConstraint, StaticVocabularyConstraint, |
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IntervalBoundConstraint, BoundConstraint, |
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Attribute, actual_value) |
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from rql.utils import decompose_b26 as base_decompose_b26 |
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from cubicweb import Binary |
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from cubicweb.schema import RQLConstraint |
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def custom_range(start, stop, step): |
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while start < stop: |
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yield start |
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start += step |
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def decompose_b26(index, ascii=False): |
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"""return a letter (base-26) decomposition of index""" |
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if ascii: |
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return base_decompose_b26(index) |
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return base_decompose_b26(index, u'ïż½abcdefghijklmnopqrstuvwxyz') |
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def get_max_length(eschema, attrname): |
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"""returns the maximum length allowed for 'attrname'""" |
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for cst in eschema.rdef(attrname).constraints: |
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if isinstance(cst, SizeConstraint) and cst.max: |
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return cst.max |
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return 300 |
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#raise AttributeError('No Size constraint on attribute "%s"' % attrname) |
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_GENERATED_VALUES = {} |
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class _ValueGenerator(object): |
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"""generates integers / dates / strings / etc. to fill a DB table""" |
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def __init__(self, eschema, choice_func=None): |
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"""<choice_func> is a function that returns a list of possible |
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choices for a given entity type and an attribute name. It should |
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looks like : |
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def values_for(etype, attrname): |
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# some stuff ... |
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return alist_of_acceptable_values # or None |
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""" |
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self.choice_func = choice_func |
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self.eschema = eschema |
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def generate_attribute_value(self, entity, attrname, index=1, **kwargs): |
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if attrname in entity: |
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return entity[attrname] |
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eschema = self.eschema |
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if not eschema.has_unique_values(attrname): |
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value = self.__generate_value(entity, attrname, index, **kwargs) |
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else: |
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value = self.__generate_value(entity, attrname, index, **kwargs) |
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while value in _GENERATED_VALUES.get((eschema, attrname), ()): |
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index += 1 |
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value = self.__generate_value(entity, attrname, index, **kwargs) |
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_GENERATED_VALUES.setdefault((eschema, attrname), set()).add(value) |
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entity[attrname] = value |
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return value |
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def __generate_value(self, entity, attrname, index, **kwargs): |
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"""generates a consistent value for 'attrname'""" |
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eschema = self.eschema |
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attrtype = str(eschema.destination(attrname)).lower() |
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# Before calling generate_%s functions, try to find values domain |
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if self.choice_func is not None: |
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values_domain = self.choice_func(eschema, attrname) |
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if values_domain is not None: |
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return choice(values_domain) |
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gen_func = getattr(self, 'generate_%s_%s' % (eschema, attrname), |
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getattr(self, 'generate_Any_%s' % attrname, None)) |
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if gen_func is not None: |
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return gen_func(entity, index, **kwargs) |
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# If no specific values domain, then generate a dummy value |
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gen_func = getattr(self, 'generate_%s' % (attrtype)) |
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return gen_func(entity, attrname, index, **kwargs) |
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def generate_string(self, entity, attrname, index, format=None): |
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"""generates a consistent value for 'attrname' if it's a string""" |
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# First try to get choices |
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choosed = self.get_choice(entity, attrname) |
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if choosed is not None: |
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return choosed |
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# All other case, generate a default string |
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attrlength = get_max_length(self.eschema, attrname) |
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num_len = numlen(index) |
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if num_len >= attrlength: |
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ascii = self.eschema.rdef(attrname).internationalizable |
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return ('&'+decompose_b26(index, ascii))[:attrlength] |
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# always use plain text when no format is specified |
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attrprefix = attrname[:max(attrlength-num_len-1, 0)] |
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if format == 'text/html': |
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value = u'<span>ïż½%s<b>%d</b></span>' % (attrprefix, index) |
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elif format == 'text/rest': |
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value = u""" |
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title |
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----- |
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* %s |
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* %d |
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* ïż½& |
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""" % (attrprefix, index) |
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else: |
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value = u'ïż½&%s%d' % (attrprefix, index) |
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return value[:attrlength] |
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def generate_password(self, entity, attrname, index): |
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"""generates a consistent value for 'attrname' if it's a password""" |
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return u'toto' |
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def generate_integer(self, entity, attrname, index): |
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"""generates a consistent value for 'attrname' if it's an integer""" |
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return self._constrained_generate(entity, attrname, 0, 1, index) |
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generate_int = generate_integer |
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def generate_float(self, entity, attrname, index): |
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"""generates a consistent value for 'attrname' if it's a float""" |
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return self._constrained_generate(entity, attrname, 0.0, 1.0, index) |
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def generate_decimal(self, entity, attrname, index): |
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"""generates a consistent value for 'attrname' if it's a float""" |
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return Decimal(str(self.generate_float(entity, attrname, index))) |
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def generate_datetime(self, entity, attrname, index): |
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"""generates a random date (format is 'yyyy-mm-dd HH:MM')""" |
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base = datetime(randint(2000, 2004), randint(1, 12), randint(1, 28), 11, index%60) |
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return self._constrained_generate(entity, attrname, base, timedelta(hours=1), index) |
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def generate_date(self, entity, attrname, index): |
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"""generates a random date (format is 'yyyy-mm-dd')""" |
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base = date(randint(2000, 2010), 1, 1) + timedelta(randint(1, 365)) |
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return self._constrained_generate(entity, attrname, base, timedelta(days=1), index) |
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161 |
def generate_time(self, entity, attrname, index): |
0 | 162 |
"""generates a random time (format is ' HH:MM')""" |
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163 |
return time(11, index%60) #'11:%02d' % (index % 60) |
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164 |
|
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165 |
def generate_bytes(self, entity, attrname, index, format=None): |
0 | 166 |
fakefile = Binary("%s%s" % (attrname, index)) |
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fakefile.filename = u"file_%s" % attrname |
0 | 168 |
return fakefile |
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169 |
|
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170 |
def generate_boolean(self, entity, attrname, index): |
0 | 171 |
"""generates a consistent value for 'attrname' if it's a boolean""" |
172 |
return index % 2 == 0 |
|
173 |
||
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174 |
def _constrained_generate(self, entity, attrname, base, step, index): |
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175 |
choosed = self.get_choice(entity, attrname) |
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176 |
if choosed is not None: |
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177 |
return choosed |
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178 |
# ensure index > 0 |
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179 |
index += 1 |
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180 |
minvalue, maxvalue = self.get_bounds(entity, attrname) |
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181 |
if maxvalue is None: |
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182 |
if minvalue is not None: |
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183 |
base = max(minvalue, base) |
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184 |
maxvalue = base + index * step |
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185 |
if minvalue is None: |
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186 |
minvalue = maxvalue - (index * step) # i.e. randint(-index, 0) |
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187 |
return choice(list(custom_range(minvalue, maxvalue, step))) |
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188 |
|
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189 |
def _actual_boundary(self, entity, boundary): |
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190 |
if isinstance(boundary, Attribute): |
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191 |
# ensure we've a value for this attribute |
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192 |
self.generate_attribute_value(entity, boundary.attr) |
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boundary = actual_value(boundary, entity) |
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194 |
return boundary |
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195 |
|
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196 |
def get_bounds(self, entity, attrname): |
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197 |
minvalue = maxvalue = None |
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198 |
for cst in self.eschema.rdef(attrname).constraints: |
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199 |
if isinstance(cst, IntervalBoundConstraint): |
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200 |
minvalue = self._actual_boundary(entity, cst.minvalue) |
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201 |
maxvalue = self._actual_boundary(entity, cst.maxvalue) |
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202 |
elif isinstance(cst, BoundConstraint): |
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203 |
if cst.operator[0] == '<': |
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204 |
maxvalue = self._actual_boundary(entity, cst.boundary) |
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205 |
else: |
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206 |
minvalue = self._actual_boundary(entity, cst.boundary) |
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207 |
return minvalue, maxvalue |
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208 |
|
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209 |
def get_choice(self, entity, attrname): |
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210 |
"""generates a consistent value for 'attrname' if it has some static |
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211 |
vocabulary set, else return None. |
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212 |
""" |
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213 |
for cst in self.eschema.rdef(attrname).constraints: |
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214 |
if isinstance(cst, StaticVocabularyConstraint): |
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215 |
return unicode(choice(cst.vocabulary())) |
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216 |
return None |
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217 |
|
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218 |
# XXX nothing to do here |
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219 |
def generate_Any_data_format(self, entity, index, **kwargs): |
0 | 220 |
# data_format attribute of Image/File has no vocabulary constraint, we |
221 |
# need this method else stupid values will be set which make mtconverter |
|
222 |
# raise exception |
|
223 |
return u'application/octet-stream' |
|
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224 |
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225 |
def generate_Any_content_format(self, entity, index, **kwargs): |
0 | 226 |
# content_format attribute of EmailPart has no vocabulary constraint, we |
227 |
# need this method else stupid values will be set which make mtconverter |
|
228 |
# raise exception |
|
229 |
return u'text/plain' |
|
230 |
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231 |
def generate_Image_data_format(self, entity, index, **kwargs): |
0 | 232 |
# data_format attribute of Image/File has no vocabulary constraint, we |
233 |
# need this method else stupid values will be set which make mtconverter |
|
234 |
# raise exception |
|
235 |
return u'image/png' |
|
236 |
||
237 |
||
238 |
class autoextend(type): |
|
239 |
def __new__(mcs, name, bases, classdict): |
|
240 |
for attrname, attrvalue in classdict.items(): |
|
241 |
if callable(attrvalue): |
|
242 |
if attrname.startswith('generate_') and \ |
|
243 |
attrvalue.func_code.co_argcount < 2: |
|
244 |
raise TypeError('generate_xxx must accept at least 1 argument') |
|
245 |
setattr(_ValueGenerator, attrname, attrvalue) |
|
246 |
return type.__new__(mcs, name, bases, classdict) |
|
247 |
||
248 |
class ValueGenerator(_ValueGenerator): |
|
249 |
__metaclass__ = autoextend |
|
250 |
||
251 |
||
252 |
def _default_choice_func(etype, attrname): |
|
253 |
"""default choice_func for insert_entity_queries""" |
|
254 |
return None |
|
255 |
||
256 |
def insert_entity_queries(etype, schema, vreg, entity_num, |
|
257 |
choice_func=_default_choice_func): |
|
258 |
"""returns a list of 'add entity' queries (couples query, args) |
|
259 |
:type etype: str |
|
260 |
:param etype: the entity's type |
|
261 |
||
262 |
:type schema: cubicweb.schema.Schema |
|
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263 |
:param schema: the instance schema |
0 | 264 |
|
265 |
:type entity_num: int |
|
266 |
:param entity_num: the number of entities to insert |
|
267 |
||
268 |
XXX FIXME: choice_func is here for *historical* reasons, it should |
|
269 |
probably replaced by a nicer way to specify choices |
|
270 |
:type choice_func: function |
|
271 |
:param choice_func: a function that takes an entity type, an attrname and |
|
272 |
returns acceptable values for this attribute |
|
273 |
""" |
|
274 |
# XXX HACK, remove or fix asap |
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275 |
if etype in set(('String', 'Int', 'Float', 'Boolean', 'Date', 'CWGroup', 'CWUser')): |
0 | 276 |
return [] |
277 |
queries = [] |
|
278 |
for index in xrange(entity_num): |
|
279 |
restrictions = [] |
|
280 |
args = {} |
|
281 |
for attrname, value in make_entity(etype, schema, vreg, index, choice_func).items(): |
|
282 |
restrictions.append('X %s %%(%s)s' % (attrname, attrname)) |
|
283 |
args[attrname] = value |
|
284 |
if restrictions: |
|
285 |
queries.append(('INSERT %s X: %s' % (etype, ', '.join(restrictions)), |
|
286 |
args)) |
|
287 |
assert not 'eid' in args, args |
|
288 |
else: |
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289 |
queries.append(('INSERT %s X' % etype, {})) |
0 | 290 |
return queries |
291 |
||
292 |
||
293 |
def make_entity(etype, schema, vreg, index=0, choice_func=_default_choice_func, |
|
294 |
form=False): |
|
295 |
"""generates a random entity and returns it as a dict |
|
296 |
||
297 |
by default, generate an entity to be inserted in the repository |
|
298 |
elif form, generate an form dictionnary to be given to a web controller |
|
299 |
""" |
|
300 |
eschema = schema.eschema(etype) |
|
301 |
valgen = ValueGenerator(eschema, choice_func) |
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302 |
entity = attrdict() |
0 | 303 |
# preprocessing to deal with _format fields |
304 |
attributes = [] |
|
305 |
relatedfields = {} |
|
306 |
for rschema, attrschema in eschema.attribute_definitions(): |
|
307 |
attrname = rschema.type |
|
308 |
if attrname == 'eid': |
|
309 |
# don't specify eids ! |
|
310 |
continue |
|
311 |
if attrname.endswith('_format') and attrname[:-7] in eschema.subject_relations(): |
|
312 |
relatedfields[attrname[:-7]] = attrschema |
|
313 |
else: |
|
314 |
attributes.append((attrname, attrschema)) |
|
315 |
for attrname, attrschema in attributes: |
|
316 |
if attrname in relatedfields: |
|
317 |
# first generate a format and record it |
|
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|
318 |
format = valgen.generate_attribute_value(entity, attrname + '_format', index) |
0 | 319 |
# then a value coherent with this format |
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|
320 |
value = valgen.generate_attribute_value(entity, attrname, index, format=format) |
0 | 321 |
else: |
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322 |
value = valgen.generate_attribute_value(entity, attrname, index) |
0 | 323 |
if form: # need to encode values |
324 |
if attrschema.type == 'Bytes': |
|
325 |
# twisted way |
|
326 |
fakefile = value |
|
327 |
filename = value.filename |
|
328 |
value = (filename, u"text/plain", fakefile) |
|
329 |
elif attrschema.type == 'Date': |
|
330 |
value = value.strftime(vreg.property_value('ui.date-format')) |
|
331 |
elif attrschema.type == 'Datetime': |
|
332 |
value = value.strftime(vreg.property_value('ui.datetime-format')) |
|
333 |
elif attrschema.type == 'Time': |
|
334 |
value = value.strftime(vreg.property_value('ui.time-format')) |
|
335 |
elif attrschema.type == 'Float': |
|
336 |
fmt = vreg.property_value('ui.float-format') |
|
337 |
value = fmt % value |
|
338 |
else: |
|
339 |
value = unicode(value) |
|
340 |
return entity |
|
341 |
||
342 |
||
343 |
||
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|
344 |
def select(constraints, cursor, selectvar='O', objtype=None): |
0 | 345 |
"""returns list of eids matching <constraints> |
346 |
||
347 |
<selectvar> should be either 'O' or 'S' to match schema definitions |
|
348 |
""" |
|
349 |
try: |
|
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|
350 |
rql = 'Any %s WHERE %s' % (selectvar, constraints) |
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|
351 |
if objtype: |
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|
352 |
rql += ', %s is %s' % (selectvar, objtype) |
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|
353 |
rset = cursor.execute(rql) |
0 | 354 |
except: |
355 |
print "could restrict eid_list with given constraints (%r)" % constraints |
|
356 |
return [] |
|
357 |
return set(eid for eid, in rset.rows) |
|
358 |
||
359 |
||
360 |
||
361 |
def make_relations_queries(schema, edict, cursor, ignored_relations=(), |
|
362 |
existingrels=None): |
|
363 |
"""returns a list of generated RQL queries for relations |
|
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Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
2118
diff
changeset
|
364 |
:param schema: The instance schema |
0 | 365 |
|
366 |
:param e_dict: mapping between etypes and eids |
|
367 |
||
368 |
:param ignored_relations: list of relations to ignore (i.e. don't try |
|
369 |
to generate insert queries for these relations) |
|
370 |
""" |
|
371 |
gen = RelationsQueriesGenerator(schema, cursor, existingrels) |
|
372 |
return gen.compute_queries(edict, ignored_relations) |
|
373 |
||
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
374 |
def composite_relation(rschema): |
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
375 |
for obj in rschema.objects(): |
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
376 |
if obj.rdef(rschema, 'object').composite == 'subject': |
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
377 |
return True |
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
378 |
for obj in rschema.subjects(): |
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
379 |
if obj.rdef(rschema, 'subject').composite == 'object': |
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
380 |
return True |
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
381 |
return False |
0 | 382 |
|
383 |
class RelationsQueriesGenerator(object): |
|
384 |
rql_tmpl = 'SET S %s O WHERE S eid %%(subjeid)s, O eid %%(objeid)s' |
|
385 |
def __init__(self, schema, cursor, existing=None): |
|
386 |
self.schema = schema |
|
387 |
self.cursor = cursor |
|
388 |
self.existingrels = existing or {} |
|
389 |
||
390 |
def compute_queries(self, edict, ignored_relations): |
|
391 |
queries = [] |
|
392 |
# 1/ skip final relations and explictly ignored relations |
|
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
393 |
rels = sorted([rschema for rschema in self.schema.relations() |
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
394 |
if not (rschema.final or rschema in ignored_relations)], |
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
395 |
key=lambda x:not composite_relation(x)) |
0 | 396 |
# for each relation |
397 |
# 2/ take each possible couple (subj, obj) |
|
398 |
# 3/ analyze cardinality of relation |
|
399 |
# a/ if relation is mandatory, insert one relation |
|
400 |
# b/ else insert N relations where N is the mininum |
|
401 |
# of 20 and the number of existing targetable entities |
|
402 |
for rschema in rels: |
|
403 |
sym = set() |
|
404 |
sedict = deepcopy(edict) |
|
405 |
oedict = deepcopy(edict) |
|
406 |
delayed = [] |
|
407 |
# for each couple (subjschema, objschema), insert relations |
|
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
408 |
for subj, obj in rschema.rdefs: |
0 | 409 |
sym.add( (subj, obj) ) |
4467
0e73d299730a
fix long-waiting symetric typo: should be spelled symmetric. Add auto database migration on schema deserialization
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4337
diff
changeset
|
410 |
if rschema.symmetric and (obj, subj) in sym: |
0 | 411 |
continue |
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
412 |
subjcard, objcard = rschema.rdef(subj, obj).cardinality |
0 | 413 |
# process mandatory relations first |
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
414 |
if subjcard in '1+' or objcard in '1+' or composite_relation(rschema): |
3749
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
415 |
for query, args in self.make_relation_queries(sedict, oedict, |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
416 |
rschema, subj, obj): |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
417 |
yield query, args |
0 | 418 |
else: |
419 |
delayed.append( (subj, obj) ) |
|
420 |
for subj, obj in delayed: |
|
3749
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
421 |
for query, args in self.make_relation_queries(sedict, oedict, rschema, |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
422 |
subj, obj): |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
423 |
yield query, args |
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1398
diff
changeset
|
424 |
|
0 | 425 |
def qargs(self, subjeids, objeids, subjcard, objcard, subjeid, objeid): |
4513
8abf464d2ffe
fix and begin to document autofill algorithm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4467
diff
changeset
|
426 |
if subjcard in '?1+': |
0 | 427 |
subjeids.remove(subjeid) |
4513
8abf464d2ffe
fix and begin to document autofill algorithm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
4467
diff
changeset
|
428 |
if objcard in '?1+': |
0 | 429 |
objeids.remove(objeid) |
430 |
return {'subjeid' : subjeid, 'objeid' : objeid} |
|
431 |
||
432 |
def make_relation_queries(self, sedict, oedict, rschema, subj, obj): |
|
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
433 |
rdef = rschema.rdef(subj, obj) |
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
434 |
subjcard, objcard = rdef.cardinality |
0 | 435 |
subjeids = sedict.get(subj, frozenset()) |
436 |
used = self.existingrels[rschema.type] |
|
437 |
preexisting_subjrels = set(subj for subj, obj in used) |
|
438 |
preexisting_objrels = set(obj for subj, obj in used) |
|
439 |
# if there are constraints, only select appropriate objeids |
|
440 |
q = self.rql_tmpl % rschema.type |
|
4053
7cc66b1d9183
more api update
Sandrine Ribeau <sandrine.ribeau@logilab.fr>
parents:
3749
diff
changeset
|
441 |
constraints = [c for c in rdef.constraints |
0 | 442 |
if isinstance(c, RQLConstraint)] |
443 |
if constraints: |
|
444 |
restrictions = ', '.join(c.restriction for c in constraints) |
|
445 |
q += ', %s' % restrictions |
|
446 |
# restrict object eids if possible |
|
3711
486a29d66f2a
work around a problem in constraint application
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
3689
diff
changeset
|
447 |
# XXX the attempt to restrict below in completely wrong |
486a29d66f2a
work around a problem in constraint application
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
3689
diff
changeset
|
448 |
# disabling it for now |
3742
20f429eb5f46
kill separate attribute client-side handling #473636
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3712
diff
changeset
|
449 |
objeids = select(restrictions, self.cursor, objtype=obj) |
3712
4b8d7838d74d
revert change, but there's something fishy here
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
3711
diff
changeset
|
450 |
else: |
4b8d7838d74d
revert change, but there's something fishy here
Alexandre Fayolle <alexandre.fayolle@logilab.fr>
parents:
3711
diff
changeset
|
451 |
objeids = oedict.get(obj, frozenset()) |
0 | 452 |
if subjcard in '?1' or objcard in '?1': |
453 |
for subjeid, objeid in used: |
|
454 |
if subjcard in '?1' and subjeid in subjeids: |
|
455 |
subjeids.remove(subjeid) |
|
3673
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
456 |
# XXX why? |
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
457 |
#if objeid in objeids: |
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
458 |
# objeids.remove(objeid) |
0 | 459 |
if objcard in '?1' and objeid in objeids: |
460 |
objeids.remove(objeid) |
|
3673
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
461 |
# XXX why? |
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
462 |
#if subjeid in subjeids: |
9342e6783bd2
[testlib] hummm
Sylvain Thénault <sylvain.thenault@logilab.fr>
parents:
3541
diff
changeset
|
463 |
# subjeids.remove(subjeid) |
0 | 464 |
if not subjeids: |
465 |
check_card_satisfied(objcard, objeids, subj, rschema, obj) |
|
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1398
diff
changeset
|
466 |
return |
0 | 467 |
if not objeids: |
468 |
check_card_satisfied(subjcard, subjeids, subj, rschema, obj) |
|
469 |
return |
|
470 |
if subjcard in '?1+': |
|
471 |
for subjeid in tuple(subjeids): |
|
472 |
# do not insert relation if this entity already has a relation |
|
473 |
if subjeid in preexisting_subjrels: |
|
474 |
continue |
|
475 |
objeid = choose_eid(objeids, subjeid) |
|
476 |
if objeid is None or (subjeid, objeid) in used: |
|
477 |
continue |
|
478 |
yield q, self.qargs(subjeids, objeids, subjcard, objcard, |
|
479 |
subjeid, objeid) |
|
480 |
used.add( (subjeid, objeid) ) |
|
481 |
if not objeids: |
|
482 |
check_card_satisfied(subjcard, subjeids, subj, rschema, obj) |
|
483 |
break |
|
484 |
elif objcard in '?1+': |
|
485 |
for objeid in tuple(objeids): |
|
486 |
# do not insert relation if this entity already has a relation |
|
487 |
if objeid in preexisting_objrels: |
|
488 |
continue |
|
489 |
subjeid = choose_eid(subjeids, objeid) |
|
490 |
if subjeid is None or (subjeid, objeid) in used: |
|
491 |
continue |
|
492 |
yield q, self.qargs(subjeids, objeids, subjcard, objcard, |
|
493 |
subjeid, objeid) |
|
494 |
used.add( (subjeid, objeid) ) |
|
495 |
if not subjeids: |
|
496 |
check_card_satisfied(objcard, objeids, subj, rschema, obj) |
|
497 |
break |
|
498 |
else: |
|
499 |
# FIXME: 20 should be read from config |
|
500 |
subjeidsiter = [choice(tuple(subjeids)) for i in xrange(min(len(subjeids), 20))] |
|
501 |
objeidsiter = [choice(tuple(objeids)) for i in xrange(min(len(objeids), 20))] |
|
502 |
for subjeid, objeid in zip(subjeidsiter, objeidsiter): |
|
503 |
if subjeid != objeid and not (subjeid, objeid) in used: |
|
504 |
used.add( (subjeid, objeid) ) |
|
505 |
yield q, self.qargs(subjeids, objeids, subjcard, objcard, |
|
506 |
subjeid, objeid) |
|
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1398
diff
changeset
|
507 |
|
0 | 508 |
def check_card_satisfied(card, remaining, subj, rschema, obj): |
509 |
if card in '1+' and remaining: |
|
3749
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
510 |
raise Exception("can't satisfy cardinality %s for relation %s %s %s" % |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
511 |
(card, subj, rschema, obj)) |
a84e798b99f6
turn make_relations_query into a true generator (this allows interleaving of actual entities linking and query generation)
Aurelien Campeas <aurelien.campeas@logilab.fr>
parents:
3747
diff
changeset
|
512 |
|
0 | 513 |
|
514 |
def choose_eid(values, avoid): |
|
515 |
values = tuple(values) |
|
516 |
if len(values) == 1 and values[0] == avoid: |
|
517 |
return None |
|
518 |
objeid = choice(values) |
|
519 |
while objeid == avoid: # avoid infinite recursion like in X comment X |
|
520 |
objeid = choice(values) |
|
521 |
return objeid |
|
1802
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1398
diff
changeset
|
522 |
|
d628defebc17
delete-trailing-whitespace + some copyright update
Adrien Di Mascio <Adrien.DiMascio@logilab.fr>
parents:
1398
diff
changeset
|
523 |
|
0 | 524 |
|
525 |
# UTILITIES FUNCS ############################################################## |
|
526 |
def make_tel(num_tel): |
|
527 |
"""takes an integer, converts is as a string and inserts |
|
528 |
white spaces each 2 chars (french notation) |
|
529 |
""" |
|
530 |
num_list = list(str(num_tel)) |
|
531 |
for index in (6, 4, 2): |
|
532 |
num_list.insert(index, ' ') |
|
533 |
||
534 |
return ''.join(num_list) |
|
535 |
||
536 |
||
537 |
def numlen(number): |
|
538 |
"""returns the number's length""" |
|
539 |
return len(str(number)) |