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2005-04-08 Richard Taylor <rjt-gramps@thegrindstone.me.uk>

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* src/Utils.py (probably_alive): fix some bugs and added checking of ancestors.


svn: r4321
This commit is contained in:
Richard Taylor 2005-04-08 08:09:18 +00:00
parent c6ce98c899
commit 62f20cb7b9
2 changed files with 110 additions and 18 deletions
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3
ChangeLog
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@ -1,3 +1,6 @@
2005-04-08 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/Utils.py (probably_alive): fix some bugs and added checking of ancestors.
2005-04-07 Martin Hawlisch <Martin.Hawlisch@gmx.de>
* src/GenericFilter.py: Call prepare/reset for nested filters

125
src/Utils.py
View File

@ -439,16 +439,24 @@ def create_id():
def probably_alive(person,db,current_year=None):
"""Returns true if the person may be alive."""
"""Returns true if the person may be alive.
This works by a process of emlimination. If we can't find a good
reason to believe that someone is dead then we assume they must
be alive.
"""
if not current_year:
time_struct = time.localtime(time.time())
current_year = time_struct[0]
# If the recorded death year is before current year then
# things are simple.
if person.death_handle:
if not current_year:
return False
else:
death = db.get_event_from_handle(person.death_handle)
if death.get_date_object().get_start_date() != Date.EMPTY:
if death.get_date_object().get_year < current_year:
return False
else:
death = db.get_event_from_handle(person.death_handle)
if death.get_date_object().get_start_date() != Date.EMPTY:
if death.get_date_object().get_year() < current_year:
return False
# Look for Cause Of Death, Burial or Cremation events.
@ -456,18 +464,21 @@ def probably_alive(person,db,current_year=None):
for ev_handle in person.event_list:
ev = db.get_event_from_handle(ev_handle)
if ev and ev.name in ["Cause Of Death", "Burial", "Cremation"]:
if not current_year:
return False
if ev.get_date_object().get_start_date() != Date.EMPTY:
if ev.get_date_object().get_year < current_year:
if ev.get_date_object().get_year() < current_year:
return False
else:
return False
# If they were born within 100 years before current year then
# assume they are alive (we already know they are not dead).
if person.birth_handle:
birth = db.get_event_from_handle(person.birth_handle)
if birth.get_date_object().get_start_date() != Date.EMPTY:
return not_too_old(birth.get_date_object(),current_year)
r = not_too_old(birth.get_date_object(),current_year)
if r:
#print person.get_primary_name().get_name(), " is alive because they were born late enough."
return True
# Neither birth nor death events are available. Try looking
# for descendants that were born more than a lifespan ago.
@ -479,6 +490,8 @@ def probably_alive(person,db,current_year=None):
def descendants_too_old (person, years):
for family_handle in person.get_family_handle_list():
family = db.get_family_from_handle(family_handle)
family_list = family.get_child_handle_list()
for child_handle in family.get_child_handle_list():
child = db.get_person_from_handle(child_handle)
if child.birth_handle:
@ -501,10 +514,86 @@ def probably_alive(person,db,current_year=None):
if descendants_too_old (child, years + min_generation):
return True
if descendants_too_old (person, min_generation):
return False
return False
# If there are descendants that are too old for the person to have
# been alive in the current year then they must be dead.
if descendants_too_old (person, min_generation):
#print person.get_primary_name().get_name(), " is dead because descendants are too old."
return False
average_generation_gap = 20
def ancestors_too_old (person, year):
family_handle = person.get_main_parents_family_handle()
if family_handle:
family = db.get_family_from_handle(family_handle)
father_handle = family.get_father_handle()
if father_handle:
father = db.get_person_from_handle(father_handle)
if father.birth_handle:
father_birth = db.get_event_from_handle(father.birth_handle)
dobj = father_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj,year - average_generation_gap):
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
return True
#else:
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is NOT too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
if father.death_handle:
father_death = db.get_event_from_handle(father.death_handle)
dobj = father_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if dobj.get_year() < year - average_generation_gap:
#print father.get_primary_name().get_name(), " father of ", person.get_primary_name().get_name(), " is too old by death."
return True
if ancestors_too_old (father, year - average_generation_gap):
return True
mother_handle = family.get_mother_handle()
if mother_handle:
mother = db.get_person_from_handle(mother_handle)
if mother.birth_handle:
mother_birth = db.get_event_from_handle(mother.birth_handle)
dobj = mother_birth.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if not not_too_old (dobj,year - average_generation_gap):
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
return True
#else:
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is NOT too old by birth. birth year ", dobj.get_year(), " test year ", year - average_generation_gap
if mother.death_handle:
mother_death = db.get_event_from_handle(mother.death_handle)
dobj = mother_death.get_date_object()
if dobj.get_start_date() != Date.EMPTY:
if dobj.get_year() < year - average_generation_gap:
#print mother.get_primary_name().get_name(), " mother of ", person.get_primary_name().get_name(), " is too old by death."
return True
if ancestors_too_old (mother, year - average_generation_gap):
return True
return False
# If there are ancestors that would be too old in the current year
# then assume our person must be dead too.
if ancestors_too_old (person, current_year):
#print person.get_primary_name().get_name(), " is dead because ancestors are too old."
return False
# If we can't find any reason to believe that they are dead we
# must assume they are alive.
#print person.get_primary_name().get_name(), " is probably alive."
return True
def not_too_old(date,current_year=None):
if not current_year: