# # Gramps - a GTK+/GNOME based genealogy program # # Copyright (C) 2002-2003 Donald N. Allingham # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # """Generic Filtering Routines""" __author__ = "Don Allingham" #------------------------------------------------------------------------- # # Try to abstract SAX1 from SAX2 # #------------------------------------------------------------------------- try: from xml.sax import make_parser,handler,SAXParseException except: from _xmlplus.sax import make_parser,handler,SAXParseException #------------------------------------------------------------------------- # # Standard Python modules # #------------------------------------------------------------------------- import os from string import find,join import gtk #------------------------------------------------------------------------- # # GRAMPS modules # #------------------------------------------------------------------------- import const import RelLib import Date import Calendar import Errors from gettext import gettext as _ from Utils import for_each_ancestor #------------------------------------------------------------------------- # # date_cmp # #------------------------------------------------------------------------- def date_cmp(rule,value): sd = rule.get_start_date() s = sd.mode if s == Calendar.BEFORE: return Date.compare_dates(rule,value) == 1 elif s == Calendar.AFTER: return Date.compare_dates(rule,value) == -1 elif sd.month == Date.UNDEF and sd.year != Date.UNDEF: return sd.year == value.get_start_date().year else: return Date.compare_dates(rule,value) == 0 #------------------------------------------------------------------------- # # Rule # #------------------------------------------------------------------------- class Rule: """Base rule class""" labels = [] def __init__(self,list): assert(type(list) == type([]),"Argument is not a list") self.list = list def values(self): return self.list def trans_name(self): return _(self.name()) def name(self): return 'None' def category(self): return _('Miscellaneous filters') def description(self): return _('No description') def check(self): return len(self.list) == len(self.labels) def apply(self,db,p): return 1 def display_values(self): v = [] for i in range(0,len(self.list)): if self.list[i]: v.append('%s="%s"' % (_(self.labels[i]),self.list[i])) return join(v,'; ') #------------------------------------------------------------------------- # # Everyone # #------------------------------------------------------------------------- class Everyone(Rule): """Matches Everyone""" labels = [] def name(self): return 'Everyone' def category(self): return _('General filters') def description(self): return _('Matches everyone in the database') def apply(self,db,p): return 1 #------------------------------------------------------------------------- # # HasIdOf # #------------------------------------------------------------------------- class HasIdOf(Rule): """Rule that checks for a person with a specific GRAMPS ID""" labels = [ _('ID:') ] def name(self): return 'Has the Id' def description(self): return _("Matches the person with a specified GRAMPS ID") def category(self): return _('General filters') def apply(self,db,p): return p.getId() == self.list[0] #------------------------------------------------------------------------- # # IsFemale # #------------------------------------------------------------------------- class IsFemale(Rule): """Rule that checks for a person that is a female""" labels = [] def name(self): return 'Is a female' def category(self): return _('General filters') def description(self): return _('Matches all females') def apply(self,db,p): return p.getGender() == RelLib.Person.female #------------------------------------------------------------------------- # # IsDescendantOf # #------------------------------------------------------------------------- class IsDescendantOf(Rule): """Rule that checks for a person that is a descendant of a specified person""" labels = [ _('ID:'), _('Inclusive:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is a descendant of' def category(self): return _('Descendant filters') def description(self): return _('Matches all descendants for the specified person') def apply(self,db,p): self.orig = p try: if int(self.list[1]): first = 0 else: first = 1 except IndexError: first = 1 if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_list(root,first) return self.map.has_key(p.getId()) def init_list(self,p,first): if not first: self.map[p.getId()] = 1 for fam in p.getFamilyList(): for child in fam.getChildList(): self.init_list(child,0) #------------------------------------------------------------------------- # # IsDescendantOfFilterMatch # #------------------------------------------------------------------------- class IsDescendantOfFilterMatch(IsDescendantOf): """Rule that checks for a person that is a descendant of someone matched by a filter""" labels = [ _('Filter name:'), _('Inclusive:') ] def __init__(self,list): IsDescendantOf.__init__(self,list) def name(self): return 'Is a descendant of filter match' def category(self): return _('Descendant filters') def description(self): return _("Matches people that are descendants of someone matched by a filter") def apply(self,db,p): self.orig = p try: if int(self.list[1]): first = 0 else: first = 1 except IndexError: first = 1 if not self.init: self.init = 1 filter = MatchesFilter(self.list) for person in db.getPersonMap ().values (): if filter.apply (db, person): self.init_list (person, first) return self.map.has_key(p.getId()) #------------------------------------------------------------------------- # # IsLessThanNthGenerationDescendantOf # #------------------------------------------------------------------------- class IsLessThanNthGenerationDescendantOf(Rule): """Rule that checks for a person that is a descendant of a specified person not more than N generations away""" labels = [ _('ID:'), _('Number of generations:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is a descendant of person not more than N generations away' def category(self): return _('Descendant filters') def description(self): return _("Matches people that are descendants of a specified person " "not more than N generations away") def apply(self,db,p): self.orig = p if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_list(root,0) return self.map.has_key(p.getId()) def init_list(self,p,gen): if gen: self.map[p.getId()] = 1 if gen >= int(self.list[1]): return for fam in p.getFamilyList(): for child in fam.getChildList(): self.init_list(child,gen+1) #------------------------------------------------------------------------- # # IsMoreThanNthGenerationDescendantOf # #------------------------------------------------------------------------- class IsMoreThanNthGenerationDescendantOf(Rule): """Rule that checks for a person that is a descendant of a specified person at least N generations away""" labels = [ _('ID:'), _('Number of generations:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is a descendant of person at least N generations away' def description(self): return _("Matches people that are descendants of a specified " "person at least N generations away") def category(self): return _("Descendant filters") def apply(self,db,p): self.orig = p if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_list(root,0) return self.map.has_key(p.getId()) def init_list(self,p,gen): if gen >= int(self.list[1]): self.map[p.getId()] = 1 for fam in p.getFamilyList(): for child in fam.getChildList(): self.init_list(child,gen+1) #------------------------------------------------------------------------- # # IsChildOfFilterMatch # #------------------------------------------------------------------------- class IsChildOfFilterMatch(Rule): """Rule that checks for a person that is a child of someone matched by a filter""" labels = [ _('Filter name:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is a child of filter match' def description(self): return _("Matches the person that is a child of someone matched by a filter") def category(self): return _('Family filters') def apply(self,db,p): self.orig = p if not self.init: self.init = 1 filter = MatchesFilter(self.list) for person in db.getPersonMap ().values (): if filter.apply (db, person): self.init_list (person) return self.map.has_key(p.getId()) def init_list(self,p): for fam in p.getFamilyList(): for child in fam.getChildList(): self.map[child.getId()] = 1 #------------------------------------------------------------------------- # # IsDescendantFamilyOf # #------------------------------------------------------------------------- class IsDescendantFamilyOf(Rule): """Rule that checks for a person that is a descendant or the spouse of a descendant of a specified person""" labels = [ _('ID:') ] def name(self): return "Is a descendant family member of" def category(self): return _('Descendant filters') def description(self): return _("Matches people that are descendants or the spouse " "of a descendant of a specified person") def apply(self,db,p): self.map = {} self.orig = p return self.search(p,1) def search(self,p,val): if p.getId() == self.list[0]: self.map[p.getId()] = 1 return 1 for (f,r1,r2) in p.getParentList(): for p1 in [f.getMother(),f.getFather()]: if p1: if self.search(p1,0): return 1 if val: for fm in p.getFamilyList(): if p == fm.getFather(): s = fm.getMother() else: s = fm.getFather() if s: if self.search(s,0): return 1 return 0 #------------------------------------------------------------------------- # # IsAncestorOf # #------------------------------------------------------------------------- class IsAncestorOf(Rule): """Rule that checks for a person that is an ancestor of a specified person""" labels = [ _('ID:'), _('Inclusive:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is an ancestor of' def description(self): return _("Matches people that are ancestors of a specified person") def category(self): return _("Ancestral filters") def apply(self,db,p): """Assume that if 'Inclusive' not defined, assume inclusive""" self.orig = p try: if int(self.list[1]): first = 0 else: first = 1 except IndexError: first = 1 if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_ancestor_list(root,first) return self.map.has_key(p.getId()) def init_ancestor_list(self,p,first): if not first: self.map[p.getId()] = 1 fam = p.getMainParents() if fam: f = fam.getFather() m = fam.getMother() if f: self.init_ancestor_list(f,0) if m: self.init_ancestor_list(m,0) #------------------------------------------------------------------------- # # IsAncestorOfFilterMatch # #------------------------------------------------------------------------- class IsAncestorOfFilterMatch(IsAncestorOf): """Rule that checks for a person that is an ancestor of someone matched by a filter""" labels = [ _('Filter name:'), _('Inclusive:') ] def __init__(self,list): IsAncestorOf.__init__(self,list) def name(self): return 'Is an ancestor of filter match' def description(self): return _("Matches people that are ancestors " "of of someone matched by a filter") def category(self): return _("Ancestral filters") def apply(self,db,p): self.orig = p try: if int(self.list[1]): first = 0 else: first = 1 except IndexError: first = 1 if not self.init: self.init = 1 filter = MatchesFilter(self.list[0]) for person in db.getPersonMap ().values (): if filter.apply (db, person): self.init_ancestor_list (person,first) return self.map.has_key(p.getId()) #------------------------------------------------------------------------- # # IsLessThanNthGenerationAncestorOf # #------------------------------------------------------------------------- class IsLessThanNthGenerationAncestorOf(Rule): """Rule that checks for a person that is an ancestor of a specified person not more than N generations away""" labels = [ _('ID:'), _('Number of generations:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is an ancestor of person not more than N generations away' def description(self): return _("Matches people that are ancestors " "of a specified person not more than N generations away") def category(self): return _("Ancestral filters") def apply(self,db,p): self.orig = p if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_ancestor_list(root,0) return self.map.has_key(p.getId()) def init_ancestor_list(self,p,gen): # if self.map.has_key(p.getId()) == 1: # loop_error(self.orig,p) if gen: self.map[p.getId()] = 1 if gen >= int(self.list[1]): return fam = p.getMainParents() if fam: f = fam.getFather() m = fam.getMother() if f: self.init_ancestor_list(f,gen+1) if m: self.init_ancestor_list(m,gen+1) #------------------------------------------------------------------------- # # IsMoreThanNthGenerationAncestorOf # #------------------------------------------------------------------------- class IsMoreThanNthGenerationAncestorOf(Rule): """Rule that checks for a person that is an ancestor of a specified person at least N generations away""" labels = [ _('ID:'), _('Number of generations:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is an ancestor of person at least N generations away' def description(self): return _("Matches people that are ancestors " "of a specified person at least N generations away") def category(self): return _("Ancestral filters") def apply(self,db,p): self.orig = p if not self.init: self.init = 1 root = db.getPerson(self.list[0]) self.init_ancestor_list(root,0) return self.map.has_key(p.getId()) def init_ancestor_list(self,p,gen): # if self.map.has_key(p.getId()) == 1: # loop_error(self.orig,p) if gen >= int(self.list[1]): self.map[p.getId()] = 1 fam = p.getMainParents() if fam: f = fam.getFather() m = fam.getMother() if f: self.init_ancestor_list(f,gen+1) if m: self.init_ancestor_list(m,gen+1) #------------------------------------------------------------------------- # # IsParentOfFilterMatch # #------------------------------------------------------------------------- class IsParentOfFilterMatch(Rule): """Rule that checks for a person that is a parent of someone matched by a filter""" labels = [ _('Filter name:') ] def __init__(self,list): Rule.__init__(self,list) self.init = 0 self.map = {} def name(self): return 'Is a parent of filter match' def description(self): return _("Matches the person that is a parent of someone matched by a filter") def category(self): return _('Family filters') def apply(self,db,p): self.orig = p if not self.init: self.init = 1 filter = MatchesFilter(self.list) for person in db.getPersonMap ().values (): if filter.apply (db, person): self.init_list (person) return self.map.has_key(p.getId()) def init_list(self,p): # if self.map.has_key(p.getId()) == 1: # loop_error(self.orig,p) fam in p.getMainParents() if fam: for parent in [fam.getFather (), fam.getMother ()]: if parent: self.map[parent.getId()] = 1 #------------------------------------------------------------------------- # # HasCommonAncestorWith # #------------------------------------------------------------------------- class HasCommonAncestorWith(Rule): """Rule that checks for a person that has a common ancestor with a specified person""" labels = [ _('ID:') ] def name(self): return 'Has a common ancestor with' def description(self): return _("Matches people that have a common ancestor " "with a specified person") def category(self): return _("Ancestral filters") def __init__(self,list): Rule.__init__(self,list) # Keys in `ancestor_cache' are ancestors of list[0]. # We delay the computation of ancestor_cache until the # first use, because it's not uncommon to instantiate # this class and not use it. self.ancestor_cache = {} def init_ancestor_cache(self,db): # list[0] is an Id, but we need to pass a Person to for_each_ancestor. p = db.getPerson(self.list[0]) if p: def init(self,pid): self.ancestor_cache[pid] = 1 for_each_ancestor([p],init,self) def apply(self,db,p): # On the first call, we build the ancestor cache for the # reference person. Then, for each person to test, # we browse his ancestors until we found one in the cache. if len(self.ancestor_cache) == 0: self.init_ancestor_cache(db) return for_each_ancestor([p], lambda self,p: self.ancestor_cache.has_key(p), self); #------------------------------------------------------------------------- # # HasCommonAncestorWithFilterMatch # #------------------------------------------------------------------------- class HasCommonAncestorWithFilterMatch(HasCommonAncestorWith): """Rule that checks for a person that has a common ancestor with someone matching a filter""" labels = [ _('Filter name:') ] def name(self): return 'Has a common ancestor with filter match' def description(self): return _("Matches people that have a common ancestor " "with someone matched by a filter") def category(self): return _("Ancestral filters") def __init__(self,list): HasCommonAncestorWith.__init__(self,list) def init_ancestor_cache(self,db): filter = MatchesFilter(self.list) def init(self,pid): self.ancestor_cache[pid] = 1 for p in db.getPersonMap ().values (): if (not self.ancestor_cache.has_key (p.getId ()) and filter.apply (db, p)): for_each_ancestor([p],init,self) #------------------------------------------------------------------------- # # IsMale # #------------------------------------------------------------------------- class IsMale(Rule): """Rule that checks for a person that is a male""" labels = [] def name(self): return 'Is a male' def category(self): return _('General filters') def description(self): return _('Matches all males') def apply(self,db,p): return p.getGender() == RelLib.Person.male #------------------------------------------------------------------------- # # HasEvent # #------------------------------------------------------------------------- class HasEvent(Rule): """Rule that checks for a person with a particular value""" labels = [ _('Personal event:'), _('Date:'), _('Place:'), _('Description:') ] def __init__(self,list): Rule.__init__(self,list) if self.list[0]: self.date = Date.Date() self.date.set(self.list[0]) else: self.date = None def name(self): return 'Has the personal event' def description(self): return _("Matches the person with a personal event of a particular value") def category(self): return _('Event filters') def apply(self,db,p): for event in p.getEventList(): val = 1 if self.list[0] and event.getName() != self.list[0]: val = 0 if self.list[3] and find(event.getDescription().upper(), self.list[3].upper())==-1: val = 0 if self.date: if date_cmp(self.date,event.getDateObj()): val = 0 if self.list[2]: pn = event.getPlaceName() if find(pn.upper(),self.list[2].upper()) == -1: val = 0 if val == 1: return 1 return 0 #------------------------------------------------------------------------- # # HasFamilyEvent # #------------------------------------------------------------------------- class HasFamilyEvent(Rule): """Rule that checks for a person who has a relationship event with a particular value""" labels = [ _('Family event:'), _('Date:'), _('Place:'), _('Description:') ] def __init__(self,list): Rule.__init__(self,list) if self.list[0]: self.date = Date.Date() self.date.set(self.list[0]) else: self.date = None def name(self): return 'Has the family event' def description(self): return _("Matches the person with a family event of a particular value") def category(self): return _('Event filters') def apply(self,db,p): for f in p.getFamilyList(): for event in f.getEventList(): val = 1 if self.list[0] and event.getName() != self.list[0]: val = 0 v = self.list[3] if v and find(event.getDescription().upper(),v.upper())==-1: val = 0 if self.date: if date_cmp(self.date,event.getDateObj()): val = 0 pn = event.getPlaceName().upper() if self.list[2] and find(pn,self.list[2].upper()) == -1: val = 0 if val == 1: return 1 return 0 #------------------------------------------------------------------------- # # HasRelationship # #------------------------------------------------------------------------- class HasRelationship(Rule): """Rule that checks for a person who has a particular relationship""" labels = [ _('Number of relationships:'), _('Relationship type:'), _('Number of children:') ] def name(self): return 'Has the relationships' def description(self): return _("Matches the person who has a particular relationship") def category(self): return _('Family filters') def apply(self,db,p): rel_type = 0 cnt = 0 num_rel = len(p.getFamilyList()) # count children and look for a relationship type match for f in p.getFamilyList(): cnt = cnt + len(f.getChildList()) if self.list[1] and f.getRelationship() == self.list[1]: rel_type = 1 # if number of relations specified if self.list[0]: try: v = int(self.list[0]) except: return 0 if v != num_rel: return 0 # number of childred if self.list[2]: try: v = int(self.list[2]) except: return 0 if v != cnt: return 0 # relation if self.list[1]: return rel_type == 1 else: return 1 #------------------------------------------------------------------------- # # HasBirth # #------------------------------------------------------------------------- class HasBirth(Rule): """Rule that checks for a person with a birth of a particular value""" labels = [ _('Date:'), _('Place:'), _('Description:') ] def __init__(self,list): Rule.__init__(self,list) if self.list[0]: self.date = Date.Date() self.date.set(self.list[0]) else: self.date = None def name(self): return 'Has the birth' def description(self): return _("Matches the person with a birth of a particular value") def category(self): return _('Event filters') def apply(self,db,p): event = p.getBirth() ed = event.getDescription().upper() if len(self.list) > 2 and find(ed,self.list[2].upper())==-1: return 0 if self.date: if date_cmp(self.date,event.getDateObj()) == 0: return 0 pn = event.getPlaceName().upper() if len(self.list) > 1 and find(pn,self.list[1].upper()) == -1: return 0 return 1 #------------------------------------------------------------------------- # # HasDeath # #------------------------------------------------------------------------- class HasDeath(Rule): """Rule that checks for a person with a death of a particular value""" labels = [ _('Date:'), _('Place:'), _('Description:') ] def __init__(self,list): Rule.__init__(self,list) if self.list[0]: self.date = Date.Date() self.date.set(self.list[0]) else: self.date = None def name(self): return 'Has the death' def description(self): return _("Matches the person with a death of a particular value") def category(self): return _('Event filters') def apply(self,db,p): event = p.getDeath() ed = event.getDescription().upper() if self.list[2] and find(ed,self.list[2].upper())==-1: return 0 if self.date: if date_cmp(self.date,event.getDateObj()) == 0: return 0 pn = p.getPlaceName().upper() if self.list[1] and find(pn,self.list[1].upper()) == -1: return 0 return 1 #------------------------------------------------------------------------- # # HasAttribute # #------------------------------------------------------------------------- class HasAttribute(Rule): """Rule that checks for a person with a particular personal attribute""" labels = [ _('Personal attribute:'), _('Value:') ] def name(self): return 'Has the personal attribute' def apply(self,db,p): for event in p.getAttributes(): if self.list[0] and event.getType() != self.list[0]: return 0 ev = event.getValue().upper() if self.list[1] and find(ev,self.list[1].upper())==-1: return 0 return 1 #------------------------------------------------------------------------- # # HasFamilyAttribute # #------------------------------------------------------------------------- class HasFamilyAttribute(Rule): """Rule that checks for a person with a particular family attribute""" labels = [ _('Family attribute:'), _('Value:') ] def name(self): return 'Has the family attribute' def apply(self,db,p): for f in p.getFamilyList(): for event in f.getAttributes(): val = 1 if self.list[0] and event.getType() != self.list[0]: val = 0 ev = event.getValue().upper() if self.list[1] and find(ev,self.list[1].upper())==-1: val = 0 if val == 1: return 1 return 0 #------------------------------------------------------------------------- # # HasNameOf # #------------------------------------------------------------------------- class HasNameOf(Rule): """Rule that checks for full or partial name matches""" labels = [_('Given name:'),_('Family name:'),_('Suffix:'),_('Title:')] def name(self): return 'Has a name' def description(self): return _("Matches the person with a specified (partial) name") def category(self): return _('General filters') def apply(self,db,p): self.f = self.list[0] self.l = self.list[1] self.s = self.list[2] self.t = self.list[3] for name in [p.getPrimaryName()] + p.getAlternateNames(): val = 1 if self.f and find(name.getFirstName().upper(),self.f.upper()) == -1: val = 0 if self.l and find(name.getSurname().upper(),self.l.upper()) == -1: val = 0 if self.s and find(name.getSuffix().upper(),self.s.upper()) == -1: val = 0 if self.t and find(name.getTitle().upper(),self.t.upper()) == -1: val = 0 if val == 1: return 1 return 0 #------------------------------------------------------------------------- # # MatchesFilter # #------------------------------------------------------------------------- class MatchesFilter(Rule): """Rule that checks against another filter""" labels = [_('Filter name:')] def name(self): return 'Matches the filter named' def apply(self,db,p): for filter in SystemFilters.get_filters(): if filter.get_name() == self.list[0]: return filter.check(p) for filter in CustomFilters.get_filters(): if filter.get_name() == self.list[0]: return filter.check(db,p) return 0 #------------------------------------------------------------------------- # # IsSpouseOfFilterMatch # #------------------------------------------------------------------------- class IsSpouseOfFilterMatch(Rule): """Rule that checks for a person married to someone matching a filter""" labels = [_('Filter name:')] def name(self): return 'Is spouse of filter match' def description(self): return _("Matches the person married to someone matching a filter") def category(self): return _('Family filters') def apply(self,db,p): filter = MatchesFilter (self.list) for family in p.getFamilyList (): for spouse in [family.getFather (), family.getMother ()]: if not spouse: continue if spouse == p: continue if filter.apply (db, spouse): return 1 return 0 #------------------------------------------------------------------------- # # GenericFilter # #------------------------------------------------------------------------- class GenericFilter: """Filter class that consists of several rules""" def __init__(self,source=None): if source: self.flist = source.flist[:] self.name = source.name self.comment = source.comment self.logical_op = source.logical_op self.invert = source.invert else: self.flist = [] self.name = '' self.comment = '' self.logical_op = 'and' self.invert = 0 def set_logical_op(self,val): if val in const.logical_functions: self.logical_op = val else: self.logical_op = 'and' def get_logical_op(self): return self.logical_op def set_invert(self, val): self.invert = not not val def get_invert(self): return self.invert def get_name(self): return self.name def set_name(self,name): self.name = name def set_comment(self,comment): self.comment = comment def get_comment(self): return self.comment def add_rule(self,rule): self.flist.append(rule) def delete_rule(self,rule): self.flist.remove(rule) def set_rules(self,rules): self.flist = rules def get_rules(self): return self.flist def check_or(self,db,p): test = 0 for rule in self.flist: test = test or rule.apply(db,p) if test: break if self.invert: return not test else: return test def check_xor(self,db,p): test = 0 for rule in self.flist: temp = rule.apply(db,p) test = ((not test) and temp) or (test and (not temp)) if self.invert: return not test else: return test def check_one(self,db,p): count = 0 for rule in self.flist: if rule.apply(db,p): count = count + 1 if count > 1: break if self.invert: return count != 1 else: return count == 1 def check_and(self,db,p): test = 1 for rule in self.flist: test = test and rule.apply(db,p) if not test: break if self.invert: return not test else: return test def get_check_func(self): try: m = getattr(self, 'check_' + self.logical_op) except AttributeError: m = self.check_and return m def check(self,db,p): return self.get_check_func()(db,p) def apply(self,db,list): m = self.get_check_func() res = [] for p in list: if m(db,p): res.append(p) return res #------------------------------------------------------------------------- # # Name to class mappings # #------------------------------------------------------------------------- tasks = { _("Everyone") : Everyone, _("Has the Id") : HasIdOf, _("Has a name") : HasNameOf, _("Has the relationships") : HasRelationship, _("Has the death") : HasDeath, _("Has the birth") : HasBirth, _("Is a descendant of") : IsDescendantOf, _("Is a descendant family member of"): IsDescendantFamilyOf, _("Is a descendant of filter match") : IsDescendantOfFilterMatch, _("Is a descendant of person not more than N generations away") : IsLessThanNthGenerationDescendantOf, _("Is a descendant of person at least N generations away") : IsMoreThanNthGenerationDescendantOf, _("Is a child of filter match") : IsChildOfFilterMatch, _("Is an ancestor of") : IsAncestorOf, _("Is an ancestor of filter match") : IsAncestorOfFilterMatch, _("Is an ancestor of person not more than N generations away") : IsLessThanNthGenerationAncestorOf, _("Is an ancestor of person at least N generations away") : IsMoreThanNthGenerationAncestorOf, _("Is a parent of filter match") : IsParentOfFilterMatch, _("Has a common ancestor with") : HasCommonAncestorWith, _("Has a common ancestor with filter match") : HasCommonAncestorWithFilterMatch, _("Is a female") : IsFemale, _("Is a male") : IsMale, _("Has the personal event") : HasEvent, _("Has the family event") : HasFamilyEvent, _("Has the personal attribute") : HasAttribute, _("Has the family attribute") : HasFamilyAttribute, _("Matches the filter named") : MatchesFilter, _("Is spouse of filter match") : IsSpouseOfFilterMatch, } #------------------------------------------------------------------------- # # GenericFilterList # #------------------------------------------------------------------------- class GenericFilterList: """Container class for the generic filters. Stores, saves, and loads the filters.""" def __init__(self,file): self.filter_list = [] self.file = os.path.expanduser(file) def get_filters(self): return self.filter_list def add(self,filter): self.filter_list.append(filter) def load(self): try: parser = make_parser() parser.setContentHandler(FilterParser(self)) if self.file[0:7] != "file://": parser.parse("file://" + self.file) else: parser.parse(self.file) except (IOError,OSError,SAXParseException): pass def fix(self,line): l = line.strip() l = l.replace('&','&') l = l.replace('>','>') l = l.replace('<','<') return l.replace('"','"') def save(self): # try: # f = open(self.file,'w') # except: # return f = open(self.file.encode('utf-8'),'w') f.write("\n") f.write('\n') for i in self.filter_list: f.write(' \n') for rule in i.get_rules(): f.write(' \n' % self.fix(rule.name())) for v in rule.values(): f.write(' \n' % self.fix(v)) f.write(' \n') f.write(' \n') f.write('\n') f.close() #------------------------------------------------------------------------- # # FilterParser # #------------------------------------------------------------------------- class FilterParser(handler.ContentHandler): """Parses the XML file and builds the list of filters""" def __init__(self,gfilter_list): handler.ContentHandler.__init__(self) self.gfilter_list = gfilter_list self.f = None self.r = None self.a = [] self.cname = None def setDocumentLocator(self,locator): self.locator = locator def startElement(self,tag,attrs): if tag == "filter": self.f = GenericFilter() self.f.set_name(attrs['name']) if attrs.has_key('function'): try: if int(attrs['function']): op = 'or' else: op = 'and' except ValueError: op = attrs['function'] self.f.set_logical_op(op) if attrs.has_key('comment'): self.f.set_comment(attrs['comment']) if attrs.has_key('invert'): try: self.f.set_invert(int(attrs['invert'])) except ValueError: pass self.gfilter_list.add(self.f) elif tag == "rule": cname = attrs['class'] name = _(cname) self.a = [] self.cname = tasks[name] elif tag == "arg": self.a.append(attrs['value']) def endElement(self,tag): if tag == "rule": rule = self.cname(self.a) self.f.add_rule(rule) def characters(self, data): pass #------------------------------------------------------------------------- # # # #------------------------------------------------------------------------- SystemFilters = None CustomFilters = None def reload_system_filters(): global SystemFilters SystemFilters = GenericFilterList(const.system_filters) SystemFilters.load() def reload_custom_filters(): global CustomFilters CustomFilters = GenericFilterList(const.custom_filters) CustomFilters.load() if not SystemFilters: reload_system_filters() if not CustomFilters: reload_custom_filters() def build_filter_menu(local_filters = []): menu = gtk.Menu() for filter in local_filters: menuitem = gtk.MenuItem(filter.get_name()) menuitem.show() menu.append(menuitem) menuitem.set_data("filter", filter) for filter in SystemFilters.get_filters(): menuitem = gtk.MenuItem(_(filter.get_name())) menuitem.show() menu.append(menuitem) menuitem.set_data("filter", filter) for filter in CustomFilters.get_filters(): menuitem = gtk.MenuItem(_(filter.get_name())) menuitem.show() menu.append(menuitem) menuitem.set_data("filter", filter) if len(local_filters): menu.set_active(2) elif len(SystemFilters.get_filters()): menu.set_active(4 + len(local_filters)) elif len(CustomFilters.get_filters()): menu.set_active(6 + len(local_filters) + len(SystemFilters.get_filters())) else: menu.set_active(0) return menu