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* src/RelLib.py: Move handle_reference methods from BaseObject to

Browse Source 
PrimaryObject; (MediaBase): Remove recursive child-related operations
on mediarefs, since only primary objects have mediarefs;
Rename DataObj to PrivateObject; (People,Family,Event,MediaObject):
remove get_handleholder_list, add low-level handle reference detector.


svn: r4218
This commit is contained in:
Alex Roitman 2005-03-22 16:23:53 +00:00
parent df5270253f
commit 9cc2d40394
2 changed files with 113 additions and 207 deletions
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6
ChangeLog
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@ -5,6 +5,12 @@
replace_source_references method; (People,Family,Event,MediaObject):
Add handle_reference methods.
* src/RelLib.py: Move handle_reference methods from BaseObject to
PrimaryObject; (MediaBase): Remove recursive child-related operations
on mediarefs, since only primary objects have mediarefs;
Rename DataObj to PrivateObject; (People,Family,Event,MediaObject):
remove get_handleholder_list, add low-level handle reference detector.
2005-03-21 Julio Sanchez <jsanchez@users.sourceforge.net>
* src/MergeData.py: further changes to adapt to new API

314
src/RelLib.py
View File

@ -149,110 +149,6 @@ class BaseObject:
"""
return []
def has_handle_reference(self,classname,handle):
"""
Returns True if the object or any of its non-primary child objects
has reference to a given handle of given primary object type.
@param classname: The name of the primary object class.
@type classname: str
@param handle: The handle to be checked.
@type handle: str
@return: Returns whether the object or any of it's non-primary child objects has reference to this handle of this object type.
@rtype: bool
"""
# Run through its own items
if classname == 'Source' and isinstance(self,SourceNote):
if self.has_source_reference(handle):
return True
elif classname == 'MediaObject' and isinstance(self,MediaBase):
if self.has_media_reference(handle):
return True
else:
if handle in self.get_handleholder_list(classname):
return True
# Run through child objects
for obj in self.get_handleholder_child_list(classname):
if obj.has_handle_reference(classname,handle):
return True
return False
def remove_handle_references(self,classname,handle_list):
"""
Removes references to object handles in the list
in this object and all child objects.
@param classname: The name of the primary object class.
@type classname: str
@param handle_list: The list of handles to be removed.
@type handle_list: str
"""
# Run through its own items
if classname == 'Source' and isinstance(self,SourceNote):
self.remove_source_references(handle_list)
elif classname == 'MediaObject' and isinstance(self,MediaBase):
self.remove_media_references(handle_list)
else:
self._remove_handle_references(classname,handle_list)
# Run through child objects
for obj in self.get_handleholder_child_list(classname):
obj.remove_handle_references(classname,handle_list)
def replace_handle_reference(self,classname,old_handle,new_handle):
"""
Replaces references to source handles in the list
in this object and all child objects.
@param classname: The name of the primary object class.
@type classname: str
@param old_handle: The handle to be replaced.
@type old_handle: str
@param new_handle: The handle to replace the old one with.
@type new_handle: str
"""
# Run through its own items
if classname == 'Source' and isinstance(self,SourceNote):
self.replace_source_references(old_handle,new_handle)
elif classname == 'MediaObject' and isinstance(self,MediaBase):
self.replace_media_references(old_handle,new_handle)
else:
self._replace_handle_reference(classname,old_handle,new_handle)
# Run through child objects
for obj in self.get_handleholder_child_list(classname):
obj.replace_handle_reference(classname,old_handle,new_handle)
def _replace_handle_reference(self,classname,old_handle,new_handle):
pass
def _remove_handle_references(self,classname,handle_list):
pass
def get_handleholder_list(self,classname):
"""
Returns the list of all bjects referring to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of all attributes referring to handles of this type.
@rtype: list
"""
return []
def get_handleholder_child_list(self,classname):
"""
Returns the list of child objects that may refer to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of child objects that may refer to handles of this type.
@rtype: list
"""
return []
class PrimaryObject(BaseObject):
"""
The PrimaryObject is the base class for all primary objects in the
@ -340,6 +236,68 @@ class PrimaryObject(BaseObject):
"""
return self.gramps_id
def has_handle_reference(self,classname,handle):
"""
Returns True if the object has reference to a given handle
of given primary object type.
@param classname: The name of the primary object class.
@type classname: str
@param handle: The handle to be checked.
@type handle: str
@return: Returns whether the object has reference to this handle of this object type.
@rtype: bool
"""
if classname == 'Source' and isinstance(self,SourceNote):
return self.has_source_reference(handle)
elif classname == 'MediaObject' and isinstance(self,MediaBase):
return self.has_media_reference(handle)
else:
return self._has_handle_reference(classname,handle)
def remove_handle_references(self,classname,handle_list):
"""
Removes all references in this object to object handles in the list.
@param classname: The name of the primary object class.
@type classname: str
@param handle_list: The list of handles to be removed.
@type handle_list: str
"""
if classname == 'Source' and isinstance(self,SourceNote):
self.remove_source_references(handle_list)
elif classname == 'MediaObject' and isinstance(self,MediaBase):
self.remove_media_references(handle_list)
else:
self._remove_handle_references(classname,handle_list)
def replace_handle_reference(self,classname,old_handle,new_handle):
"""
Replaces all references to old handle with those to the new handle.
@param classname: The name of the primary object class.
@type classname: str
@param old_handle: The handle to be replaced.
@type old_handle: str
@param new_handle: The handle to replace the old one with.
@type new_handle: str
"""
if classname == 'Source' and isinstance(self,SourceNote):
self.replace_source_references(old_handle,new_handle)
elif classname == 'MediaObject' and isinstance(self,MediaBase):
self.replace_media_references(old_handle,new_handle)
else:
self._replace_handle_reference(classname,old_handle,new_handle)
def _has_handle_reference(self,classname,handle):
pass
def _remove_handle_references(self,classname,handle_list):
pass
def _replace_handle_reference(self,classname,old_handle,new_handle):
pass
class SourceNote(BaseObject):
"""
Base class for storing source references and notes
@ -570,15 +528,6 @@ class MediaBase(BaseObject):
"""
self.media_list = media_ref_list
def get_mediaref_child_list(self):
"""
Returns the list of child secondary objects that may refer media.
@return: Returns the list of child secondary child objects that may refer media.
@rtype: list
"""
return []
def has_media_reference(self,obj_handle) :
"""
Returns True if the object or any of it's child objects has reference
@ -589,21 +538,11 @@ class MediaBase(BaseObject):
@return: Returns whether the object or any of it's child objects has reference to this media handle.
@rtype: bool
"""
for media_ref in self.media_list:
# Using direct access here, not the getter method -- efficiency!
if media_ref.ref == obj_handle:
return True
for item in self.get_mediaref_child_list():
if item.has_media_reference(obj_handle):
return True
return False
return obj_handle in [media_ref.ref for media_ref in self.media_list]
def remove_media_references(self,obj_handle_list):
"""
Removes references to all media handles in the list
in this object and all child objects.
Removes references to all media handles in the list.
@param obj_handle_list: The list of media handles to be removed.
@type obj_handle_list: list
@ -612,13 +551,9 @@ class MediaBase(BaseObject):
if media_ref.ref not in obj_handle_list ]
self.media_list = new_media_list
for item in self.get_mediaref_child_list():
item.remove_media_references(obj_handle_list)
def replace_media_references(self,old_handle,new_handle):
"""
Replaces references to media handles in the list
in this object and all child objects.
Replaces all references to old media handle with the new handle.
@param old_handle: The media handle to be replaced.
@type old_handle: str
@ -629,17 +564,14 @@ class MediaBase(BaseObject):
ix = self.media_list.index(old_handle)
self.media_list[ix] = new_handle
for item in self.get_mediaref_child_list():
item.replace_media_references(old_handle,new_handle)
class DataObj(SourceNote):
class PrivateObject(SourceNote):
"""
Base class for data elements, providing source, note, and privacy data
Same as SourceNote, plus the privacy capabilities.
"""
def __init__(self,source=None):
"""
Initialize a DataObj. If the source is not None, then object
Initialize a PrivateObject. If the source is not None, then object
is initialized from values of the source object.
@param source: Object used to initialize the new object
@ -671,7 +603,7 @@ class DataObj(SourceNote):
"""
return self.private
class Person(PrimaryObject,DataObj,MediaBase):
class Person(PrimaryObject,PrivateObject,MediaBase):
"""
Introduction
============
@ -715,7 +647,7 @@ class Person(PrimaryObject,DataObj,MediaBase):
handle.
"""
PrimaryObject.__init__(self)
DataObj.__init__(self)
PrivateObject.__init__(self)
SourceNote.__init__(self)
MediaBase.__init__(self)
self.primary_name = Name()
@ -783,6 +715,14 @@ class Person(PrimaryObject,DataObj,MediaBase):
self.lds_seal, self.complete, self.source_list, self.note,
self.change,self.private) = (data + (False,))[0:23]
def _has_handle_reference(self,classname,handle):
if classname == 'Event':
return handle in self.event_list + [self.birth_handle,self.death_handle]
elif classname == 'Family':
return handle in self.family_list + \
[item[0] for item in self.parent_family_list ]
return False
def _remove_handle_references(self,classname,handle_list):
if classname == 'Event':
new_list = [ handle for handle in self.event_list \
@ -822,23 +762,6 @@ class Person(PrimaryObject,DataObj,MediaBase):
new_list.append(item)
self.parent_family_list = new_list
def get_handleholder_list(self,classname):
"""
Returns the list of all objects referring to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of all attributes referring to handles of this type.
@rtype: list
"""
if classname == 'Event':
check_list = [self.birth_handle,self.death_handle]
add_list = [item for item in check_list if item]
return self.event_list + check_list
elif classname == 'Family':
return self.family_list + \
[item[0] for item in self.parent_family_list ]
def get_text_data_list(self):
"""
Returns the list of all textual attributes of the object.
@ -1555,6 +1478,13 @@ class Family(PrimaryObject,SourceNote,MediaBase):
self.media_list, self.attribute_list, self.lds_seal,
self.complete, self.source_list, self.note, self.change) = data
def _has_handle_reference(self,classname,handle):
if classname == 'Event':
return handle in self.event_list
elif classname == 'Person':
return handle in self.child_list + [self.father_handle,self.mother_handle]
return False
def _remove_handle_references(self,classname,handle_list):
if classname == 'Event':
new_list = [ handle for handle in self.event_list \
@ -1583,22 +1513,6 @@ class Family(PrimaryObject,SourceNote,MediaBase):
if self.mother_handle == old_handle:
self.mother_handle = new_handle
def get_handleholder_list(self,classname):
"""
Returns the list of all objects referring to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of all attributes referring to handles of this type.
@rtype: list
"""
if classname == 'Event':
return self.event_list
elif classname == 'Person':
check_list = [self.father_handle,self.mother_handle]
add_list = [item for item in check_list if item]
return self.child_list + add_list
def get_text_data_child_list(self):
"""
Returns the list of child objects that may carry textual data.
@ -1864,7 +1778,7 @@ class Family(PrimaryObject,SourceNote,MediaBase):
"""
self.event_list = event_list
class Event(PrimaryObject,DataObj,MediaBase):
class Event(PrimaryObject,PrivateObject,MediaBase):
"""
Introduction
============
@ -1885,7 +1799,7 @@ class Event(PrimaryObject,DataObj,MediaBase):
"""
PrimaryObject.__init__(self,source)
DataObj.__init__(self,source)
PrivateObject.__init__(self,source)
MediaBase.__init__(self,source)
if source:
@ -1940,6 +1854,14 @@ class Event(PrimaryObject,DataObj,MediaBase):
self.place, self.cause, self.private, self.source_list,
self.note, self.witness, self.media_list, self.change) = data
def _has_handle_reference(self,classname,handle):
if classname == 'Place':
return self.place == handle
elif classname == 'Person':
return handle in [ witness.val for witness in self.witness \
if witness.type == ID ]
return False
def _remove_handle_references(self,classname,handle_list):
if classname == 'Person' and self.witness:
new_list = [ witness for witness in self.witness \
@ -1957,21 +1879,6 @@ class Event(PrimaryObject,DataObj,MediaBase):
elif classname == 'Place' and self.place == old_handle:
self.place = new_handle
def get_handleholder_list(self,classname):
"""
Returns the list of all objects referring to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of all attributes referring to handles of this type.
@rtype: list
"""
if classname == 'Place':
return [self.place]
elif classname == 'Person' and self.witness:
return [ witness.val for witness in self.witness \
if witness.type == ID ]
def get_text_data_list(self):
"""
Returns the list of all textual attributes of the object.
@ -2556,6 +2463,11 @@ class MediaObject(PrimaryObject,SourceNote):
self.date, self.place) = data
def _has_handle_reference(self,classname,handle):
if classname == 'Place':
return self.place == handle
return False
def _remove_handle_references(self,classname,handle_list):
if classname == 'Place' and self.place in handle_list:
self.place = u''
@ -2564,18 +2476,6 @@ class MediaObject(PrimaryObject,SourceNote):
if classname == 'Place' and self.place == old_handle:
self.place = new_handle
def get_handleholder_list(self,classname):
"""
Returns the list of all objects referring to handles of a given type.
@param classname: The name of the primary object class.
@type classname: str
@return: Returns the list of all attributes referring to handles of this type.
@rtype: list
"""
if classname == 'Place':
return [self.place]
def get_text_data_list(self):
"""
Returns the list of all textual attributes of the object.
@ -2781,7 +2681,7 @@ class Source(PrimaryObject,MediaBase):
to this source handle.
@param src_handle: The source handle to be checked.
@type src_ref: str
@type src_handle: str
@return: Returns whether any of it's child objects has reference to this source handle.
@rtype: bool
"""
@ -3360,13 +3260,13 @@ class MediaRef(SourceNote):
"""sets the property list associated with the image"""
self.attrlist = list
class Attribute(DataObj):
class Attribute(PrivateObject):
"""Provides a simple key/value pair for describing properties. Used
by the Person and Family objects to store descriptive information."""
def __init__(self,source=None):
"""creates a new Attribute object, copying from the source if provided"""
DataObj.__init__(self,source)
PrivateObject.__init__(self,source)
if source:
self.type = source.type
@ -3412,13 +3312,13 @@ class Attribute(DataObj):
"""returns the value of the Attribute instance"""
return self.value
class Address(DataObj):
class Address(PrivateObject):
"""Provides address information for a person"""
def __init__(self,source=None):
"""Creates a new Address instance, copying from the source
if provided"""
DataObj.__init__(self,source)
PrivateObject.__init__(self,source)
if source:
self.street = source.street
@ -3549,7 +3449,7 @@ class Address(DataObj):
"""returns the postal code of the Address"""
return self.postal
class Name(DataObj):
class Name(PrivateObject):
"""Provides name information about a person. A person may have more
that one name throughout his or her life."""
@ -3559,7 +3459,7 @@ class Name(DataObj):
def __init__(self,source=None):
"""creates a new Name instance, copying from the source if provided"""
DataObj.__init__(self,source)
PrivateObject.__init__(self,source)
if source:
self.first_name = source.first_name