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Converted django/models/__init__.py to use unix newlines, not DOS 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@1401 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2005-11-24 21:26:04 +00:00
parent d922825156
commit 827ebe5368
1 changed files with 92 additions and 92 deletions
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184
django/models/__init__.py
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@ -1,92 +1,92 @@
from django.core import meta from django.core import meta
from django.utils.functional import curry from django.utils.functional import curry
__all__ = ['auth', 'core'] __all__ = ['auth', 'core']
# Alter this package's __path__ variable so that calling code can import models # Alter this package's __path__ variable so that calling code can import models
# from "django.models" even though the model code doesn't physically live # from "django.models" even though the model code doesn't physically live
# within django.models. # within django.models.
for mod in meta.get_installed_models(): for mod in meta.get_installed_models():
__path__.extend(mod.__path__) __path__.extend(mod.__path__)
# First, import all models so the metaclasses run. # First, import all models so the metaclasses run.
modules = meta.get_installed_model_modules(__all__) modules = meta.get_installed_model_modules(__all__)
# Now, create the extra methods that we couldn't create earlier because # Now, create the extra methods that we couldn't create earlier because
# relationships hadn't been known until now. # relationships hadn't been known until now.
for mod in modules: for mod in modules:
for klass in mod._MODELS: for klass in mod._MODELS:
# Add "get_thingie", "get_thingie_count" and "get_thingie_list" methods # Add "get_thingie", "get_thingie_count" and "get_thingie_list" methods
# for all related objects. # for all related objects.
for rel_obj, rel_field in klass._meta.get_all_related_objects(): for rel_obj, rel_field in klass._meta.get_all_related_objects():
# Determine whether this related object is in another app. # Determine whether this related object is in another app.
# If it's in another app, the method names will have the app # If it's in another app, the method names will have the app
# label prepended, and the add_BLAH() method will not be # label prepended, and the add_BLAH() method will not be
# generated. # generated.
rel_mod = rel_obj.get_model_module() rel_mod = rel_obj.get_model_module()
rel_obj_name = klass._meta.get_rel_object_method_name(rel_obj, rel_field) rel_obj_name = klass._meta.get_rel_object_method_name(rel_obj, rel_field)
if isinstance(rel_field.rel, meta.OneToOne): if isinstance(rel_field.rel, meta.OneToOne):
# Add "get_thingie" methods for one-to-one related objects. # Add "get_thingie" methods for one-to-one related objects.
# EXAMPLE: Place.get_restaurants_restaurant() # EXAMPLE: Place.get_restaurants_restaurant()
func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field) func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
func.__doc__ = "Returns the associated `%s.%s` object." % (rel_obj.app_label, rel_obj.module_name) func.__doc__ = "Returns the associated `%s.%s` object." % (rel_obj.app_label, rel_obj.module_name)
setattr(klass, 'get_%s' % rel_obj_name, func) setattr(klass, 'get_%s' % rel_obj_name, func)
elif isinstance(rel_field.rel, meta.ManyToOne): elif isinstance(rel_field.rel, meta.ManyToOne):
# Add "get_thingie" methods for many-to-one related objects. # Add "get_thingie" methods for many-to-one related objects.
# EXAMPLE: Poll.get_choice() # EXAMPLE: Poll.get_choice()
func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field) func = curry(meta.method_get_related, 'get_object', rel_mod, rel_field)
func.__doc__ = "Returns the associated `%s.%s` object matching the given criteria." % (rel_obj.app_label, rel_obj.module_name) func.__doc__ = "Returns the associated `%s.%s` object matching the given criteria." % (rel_obj.app_label, rel_obj.module_name)
setattr(klass, 'get_%s' % rel_obj_name, func) setattr(klass, 'get_%s' % rel_obj_name, func)
# Add "get_thingie_count" methods for many-to-one related objects. # Add "get_thingie_count" methods for many-to-one related objects.
# EXAMPLE: Poll.get_choice_count() # EXAMPLE: Poll.get_choice_count()
func = curry(meta.method_get_related, 'get_count', rel_mod, rel_field) func = curry(meta.method_get_related, 'get_count', rel_mod, rel_field)
func.__doc__ = "Returns the number of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name) func.__doc__ = "Returns the number of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name)
setattr(klass, 'get_%s_count' % rel_obj_name, func) setattr(klass, 'get_%s_count' % rel_obj_name, func)
# Add "get_thingie_list" methods for many-to-one related objects. # Add "get_thingie_list" methods for many-to-one related objects.
# EXAMPLE: Poll.get_choice_list() # EXAMPLE: Poll.get_choice_list()
func = curry(meta.method_get_related, 'get_list', rel_mod, rel_field) func = curry(meta.method_get_related, 'get_list', rel_mod, rel_field)
func.__doc__ = "Returns a list of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name) func.__doc__ = "Returns a list of associated `%s.%s` objects." % (rel_obj.app_label, rel_obj.module_name)
setattr(klass, 'get_%s_list' % rel_obj_name, func) setattr(klass, 'get_%s_list' % rel_obj_name, func)
# Add "add_thingie" methods for many-to-one related objects, # Add "add_thingie" methods for many-to-one related objects,
# but only for related objects that are in the same app. # but only for related objects that are in the same app.
# EXAMPLE: Poll.add_choice() # EXAMPLE: Poll.add_choice()
if rel_obj.app_label == klass._meta.app_label: if rel_obj.app_label == klass._meta.app_label:
func = curry(meta.method_add_related, rel_obj, rel_mod, rel_field) func = curry(meta.method_add_related, rel_obj, rel_mod, rel_field)
func.alters_data = True func.alters_data = True
setattr(klass, 'add_%s' % rel_obj_name, func) setattr(klass, 'add_%s' % rel_obj_name, func)
del func del func
del rel_obj_name, rel_mod, rel_obj, rel_field # clean up del rel_obj_name, rel_mod, rel_obj, rel_field # clean up
# Do the same for all related many-to-many objects. # Do the same for all related many-to-many objects.
for rel_opts, rel_field in klass._meta.get_all_related_many_to_many_objects(): for rel_opts, rel_field in klass._meta.get_all_related_many_to_many_objects():
rel_mod = rel_opts.get_model_module() rel_mod = rel_opts.get_model_module()
rel_obj_name = klass._meta.get_rel_object_method_name(rel_opts, rel_field) rel_obj_name = klass._meta.get_rel_object_method_name(rel_opts, rel_field)
setattr(klass, 'get_%s' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_object', klass._meta, rel_mod, rel_field)) setattr(klass, 'get_%s' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_object', klass._meta, rel_mod, rel_field))
setattr(klass, 'get_%s_count' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_count', klass._meta, rel_mod, rel_field)) setattr(klass, 'get_%s_count' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_count', klass._meta, rel_mod, rel_field))
setattr(klass, 'get_%s_list' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_list', klass._meta, rel_mod, rel_field)) setattr(klass, 'get_%s_list' % rel_obj_name, curry(meta.method_get_related_many_to_many, 'get_list', klass._meta, rel_mod, rel_field))
if rel_opts.app_label == klass._meta.app_label: if rel_opts.app_label == klass._meta.app_label:
func = curry(meta.method_set_related_many_to_many, rel_opts, rel_field) func = curry(meta.method_set_related_many_to_many, rel_opts, rel_field)
func.alters_data = True func.alters_data = True
setattr(klass, 'set_%s' % rel_opts.module_name, func) setattr(klass, 'set_%s' % rel_opts.module_name, func)
del func del func
del rel_obj_name, rel_mod, rel_opts, rel_field # clean up del rel_obj_name, rel_mod, rel_opts, rel_field # clean up
# Add "set_thingie_order" and "get_thingie_order" methods for objects # Add "set_thingie_order" and "get_thingie_order" methods for objects
# that are ordered with respect to this. # that are ordered with respect to this.
for obj in klass._meta.get_ordered_objects(): for obj in klass._meta.get_ordered_objects():
func = curry(meta.method_set_order, obj) func = curry(meta.method_set_order, obj)
func.__doc__ = "Sets the order of associated `%s.%s` objects to the given ID list." % (obj.app_label, obj.module_name) func.__doc__ = "Sets the order of associated `%s.%s` objects to the given ID list." % (obj.app_label, obj.module_name)
func.alters_data = True func.alters_data = True
setattr(klass, 'set_%s_order' % obj.object_name.lower(), func) setattr(klass, 'set_%s_order' % obj.object_name.lower(), func)
func = curry(meta.method_get_order, obj) func = curry(meta.method_get_order, obj)
func.__doc__ = "Returns the order of associated `%s.%s` objects as a list of IDs." % (obj.app_label, obj.module_name) func.__doc__ = "Returns the order of associated `%s.%s` objects as a list of IDs." % (obj.app_label, obj.module_name)
setattr(klass, 'get_%s_order' % obj.object_name.lower(), func) setattr(klass, 'get_%s_order' % obj.object_name.lower(), func)
del func, obj # clean up del func, obj # clean up
del klass # clean up del klass # clean up
del mod del mod
del modules del modules
# Expose get_app and get_module. # Expose get_app and get_module.
from django.core.meta import get_app, get_module from django.core.meta import get_app, get_module