127 lines
No EOL
3.9 KiB
Python
127 lines
No EOL
3.9 KiB
Python
#
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# Copyright (c) 2012 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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Report result sets and related classes.
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"""
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from zope.cachedescriptors.property import Lazy
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from cybertools.composer.interfaces import IInstance
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from cybertools.composer.report.base import BaseQueryCriteria
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class BaseRow(object):
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def __init__(self, context, parent):
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self.context = context
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self.parent = parent
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self.data = {}
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self.sequenceNumber = 0
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def xx__getattr__(self, attr):
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f = self.parent.context.fields[attr]
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return f.getValue(self)
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def getRawValue(self, attr):
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return self.data.get(attr)
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class Row(BaseRow):
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attributeHandlers = {}
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def getRawValue(self, attr):
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return self.attributeHandlers.get(attr, self.getContextAttr)(self, attr)
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@staticmethod
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def getContextAttr(obj, attr):
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return getattr(obj.context, attr)
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def getCategories(self):
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return [self.getRawValue(f.__name__) for f in
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self.parent.context.fields if 'category' in f.executionSteps]
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class ResultSet(object):
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def __init__(self, context, data, rowFactory=Row,
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sortCriteria=None, queryCriteria=BaseQueryCriteria(),
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filterDublicate=False):
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self.context = context # the report or report instance
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self.data = data
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self.rowFactory = rowFactory
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self.sortCriteria = sortCriteria
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self.queryCriteria = queryCriteria
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self.filterDublicate = filterDublicate
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self.totals = BaseRow(None, self)
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def filterDublicateRows(self, result):
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res = []
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for row in result:
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add = True
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for r in res:
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for f in self.categoryColumns:
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if row.getRawValue(f.__name__) == r.getRawValue(f.__name__):
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add = False
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if add:
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res.append(row)
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return res
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def getResult(self):
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result = [self.rowFactory(item, self) for item in self.data]
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if self.filterDublicate:
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result = [row for row in self.filterDublicateRows(result)]
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result = [row for row in result if self.queryCriteria.check(row)]
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if self.sortCriteria:
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result.sort(key=lambda x: [f.getSortValue(x) for f in self.sortCriteria])
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for idx, row in enumerate(result):
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row.sequenceNumber = idx + 1
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return result
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def __iter__(self):
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return iter(self.getResult())
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@Lazy
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def displayedColumns(self):
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return self.context.getActiveOutputFields()
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@Lazy
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def categoryColumns(self):
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return self.context.getCategoryFields()
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class CombinedResultSet(ResultSet):
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def __init__(self, context, categorySet, resultSet):
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self.context = context
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self.categorySet = categorySet
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self.resultSet = resultSet
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self.totals = BaseRow(None, self)
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def getResult(self):
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result = []
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for row in self.categorySet:
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result.append(row)
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for res in self.resultSet:
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for f in self.categoryColumns:
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if res.getRawValue(f.__name__) == row.getRawValue(f.__name__):
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result.append(res)
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return result
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