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Курс във Факултета по Математика и Информатика към СУ

Решение на Родословно дърво от Георги Ангелов

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Резултати

  • 5 точки от тестове
  • 0 бонус точки
  • 5 точки общо
  • 10 успешни тест(а)
  • 1 неуспешни тест(а)

Код

class Person:
"""Model of a person with parents and children."""
def __init__(self, name, birth_year, gender, mother=None, father=None):
self._mother = None
self._father = None
self.name = name
self.birth_year = birth_year
self.gender = gender
if mother is not None:
self.mother = mother
if father is not None:
self.father = father
self._children = set()
@property
def mother(self):
return self._mother
@mother.setter
def mother(self, new_mother):
"""Set mother, removing the connection to a previous one."""
del self.mother
if self.birth_year - new_mother.birth_year < 18:
raise ValueError("The parent must be at least 18 years older "
"than the child")
self._mother = new_mother
self._mother._children.add(self)
@mother.deleter
def mother(self):
"""Remove the connection to the mother."""
if self._mother is not None:
self._mother._children.remove(self)
self._mother = None
@property
def father(self):
return self._father
@father.setter
def father(self, new_father):
"""Set father, removing the connection to a previous one."""
del self.father
if self.birth_year - new_father.birth_year < 18:
raise ValueError("The parent must be at least 18 years older "
"than the child")
self._father = new_father
self._father._children.add(self)
@father.deleter
def father(self):
"""Remove the connection to the father."""
if self._father is not None:
self._father._children.remove(self)
self._father = None
def children(self, gender=None):
"""Return all children of this person, optionally filtered by gender"""
if gender is not None:
return [child for child in self._children
if child.gender == gender]
else:
return list(self._children)
def _get_siblings(self, gender=None):
"""Return all siblings of this person.
Siblings are considered to be people with at least one common parent
"""
siblings_list = []
if self.mother is not None:
siblings_list.extend(self.mother.children(gender=gender))
if self.father is not None:
siblings_list.extend(self.father.children(gender=gender))
siblings = set(siblings_list)
if self in siblings:
siblings.remove(self)
return siblings
def get_brothers(self):
"""Return a list of all brothers of this person.
Brothers are all people with at least one common parent and gender='M'
"""
return list(self._get_siblings(gender='M'))
def get_sisters(self):
"""Return a list of all sisters of this person.
Sisters are all people with at least one common parent and gender='F'
"""
return list(self._get_siblings(gender='F'))
def is_direct_successor(self, person):
"""Check if `person` is a child of this person."""
return person in self._children

Лог от изпълнението

.F.........
======================================================================
FAIL: test_children (test.PersonTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130408-29081-32s3g/test.py", line 41, in test_children
    self.assertEqual(self.adam.children(), [self.first_son, self.first_daughter])
AssertionError: Lists differ: [<solution.Person object at 0x... != [<solution.Person object at 0x...

First differing element 0:
<solution.Person object at 0xb7810eac>
<solution.Person object at 0xb7810cec>

- [<solution.Person object at 0xb7810eac>,
?                                     -

+ [<solution.Person object at 0xb7810cec>,
?                                    +

-  <solution.Person object at 0xb7810cec>]
?                                    -

+  <solution.Person object at 0xb7810eac>]
?                                     +


----------------------------------------------------------------------
Ran 11 tests in 0.009s

FAILED (failures=1)

История (1 версия и 0 коментара)

Георги обнови решението на 27.03.2013 23:35 (преди над 11 години)

+class Person:
+ """Model of a person with parents and children."""
+
+ def __init__(self, name, birth_year, gender, mother=None, father=None):
+ self._mother = None
+ self._father = None
+
+ self.name = name
+ self.birth_year = birth_year
+ self.gender = gender
+
+ if mother is not None:
+ self.mother = mother
+ if father is not None:
+ self.father = father
+
+ self._children = set()
+
+ @property
+ def mother(self):
+ return self._mother
+
+ @mother.setter
+ def mother(self, new_mother):
+ """Set mother, removing the connection to a previous one."""
+ del self.mother
+
+ if self.birth_year - new_mother.birth_year < 18:
+ raise ValueError("The parent must be at least 18 years older "
+ "than the child")
+
+ self._mother = new_mother
+ self._mother._children.add(self)
+
+ @mother.deleter
+ def mother(self):
+ """Remove the connection to the mother."""
+ if self._mother is not None:
+ self._mother._children.remove(self)
+
+ self._mother = None
+
+ @property
+ def father(self):
+ return self._father
+
+ @father.setter
+ def father(self, new_father):
+ """Set father, removing the connection to a previous one."""
+ del self.father
+
+ if self.birth_year - new_father.birth_year < 18:
+ raise ValueError("The parent must be at least 18 years older "
+ "than the child")
+
+ self._father = new_father
+ self._father._children.add(self)
+
+ @father.deleter
+ def father(self):
+ """Remove the connection to the father."""
+ if self._father is not None:
+ self._father._children.remove(self)
+
+ self._father = None
+
+ def children(self, gender=None):
+ """Return all children of this person, optionally filtered by gender"""
+ if gender is not None:
+ return [child for child in self._children
+ if child.gender == gender]
+ else:
+ return list(self._children)
+
+ def _get_siblings(self, gender=None):
+ """Return all siblings of this person.
+
+ Siblings are considered to be people with at least one common parent
+ """
+ siblings_list = []
+
+ if self.mother is not None:
+ siblings_list.extend(self.mother.children(gender=gender))
+
+ if self.father is not None:
+ siblings_list.extend(self.father.children(gender=gender))
+
+ siblings = set(siblings_list)
+
+ if self in siblings:
+ siblings.remove(self)
+
+ return siblings
+
+ def get_brothers(self):
+ """Return a list of all brothers of this person.
+
+ Brothers are all people with at least one common parent and gender='M'
+ """
+ return list(self._get_siblings(gender='M'))
+
+ def get_sisters(self):
+ """Return a list of all sisters of this person.
+
+ Sisters are all people with at least one common parent and gender='F'
+ """
+ return list(self._get_siblings(gender='F'))
+
+ def is_direct_successor(self, person):
+ """Check if `person` is a child of this person."""
+ return person in self._children