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modifying concepts

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Roman Mogilatov 2015-01-10 00:23:08 +02:00
parent e00a5f8c76
commit 80e2a1fdf1
2 changed files with 31 additions and 31 deletions
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34
examples/concept_v1.py
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@ -2,7 +2,7 @@
Concept example of objects catalogs. Concept example of objects catalogs.
""" """
import objects from objects import Catalog, Singleton, NewInstance, KwArg, Attribute
import sqlite3 import sqlite3
@ -19,30 +19,30 @@ class B(object):
# Catalog of objects providers. # Catalog of objects providers.
class Catalog(objects.Catalog): class AppCatalog(Catalog):
""" """
Objects catalog. Objects catalog.
""" """
database = objects.Singleton(provides=sqlite3.Connection, database = Singleton(provides=sqlite3.Connection,
database=objects.KwArg('example.db'), database=KwArg('example.db'),
row_factory=objects.Attribute(sqlite3.Row)) row_factory=Attribute(sqlite3.Row))
""" :type: (objects.Provider) -> sqlite3.Connection """ """ :type: (Provider) -> sqlite3.Connection """
object_a = objects.NewInstance(provides=A, object_a = NewInstance(provides=A,
db=objects.KwArg(database)) db=KwArg(database))
""" :type: (objects.Provider) -> A """ """ :type: (Provider) -> A """
object_b = objects.NewInstance(provides=B, object_b = NewInstance(provides=B,
a=objects.KwArg(object_a), a=KwArg(object_a),
db=objects.KwArg(database)) db=KwArg(database))
""" :type: (objects.Provider) -> B """ """ :type: (Provider) -> B """
# Catalog injection into consumer class. # Catalog injection into consumer class.
class Consumer(object): class Consumer(object):
catalog = Catalog(Catalog.object_a, catalog = AppCatalog(AppCatalog.object_a,
Catalog.object_b) AppCatalog.object_b)
def return_a_b(self): def return_a_b(self):
return (self.catalog.object_a(), return (self.catalog.object_a(),
@ -52,8 +52,8 @@ a1, b1 = Consumer().return_a_b()
# Catalog static provides. # Catalog static provides.
a2 = Catalog.object_a() a2 = AppCatalog.object_a()
b2 = Catalog.object_b() b2 = AppCatalog.object_b()
# Some asserts. # Some asserts.
assert a1 is not a2 assert a1 is not a2

28
examples/concept_v2.py
View File

@ -2,7 +2,7 @@
Concept example of objects catalogs. Concept example of objects catalogs.
""" """
import objects from objects import Catalog, Singleton, NewInstance, KwArg, Attribute
import sqlite3 import sqlite3
@ -19,30 +19,30 @@ class B(object):
# Catalog of objects providers. # Catalog of objects providers.
class Catalog(objects.Catalog): class AppCatalog(Catalog):
""" """
Objects catalog. Objects catalog.
""" """
database = objects.Singleton(sqlite3.Connection, database = Singleton(sqlite3.Connection,
objects.KwArg('database', ':memory:'), KwArg('database', ':memory:'),
objects.Attribute('row_factory', sqlite3.Row)) Attribute('row_factory', sqlite3.Row))
""" :type: (objects.Provider) -> sqlite3.Connection """ """ :type: (objects.Provider) -> sqlite3.Connection """
object_a = objects.NewInstance(A, object_a = NewInstance(A,
objects.KwArg('db', database)) KwArg('db', database))
""" :type: (objects.Provider) -> A """ """ :type: (objects.Provider) -> A """
object_b = objects.NewInstance(B, object_b = NewInstance(B,
objects.KwArg('a', object_a), KwArg('a', object_a),
objects.KwArg('db', database)) KwArg('db', database))
""" :type: (objects.Provider) -> B """ """ :type: (objects.Provider) -> B """
# Catalog injection into consumer class. # Catalog injection into consumer class.
class Consumer(object): class Consumer(object):
catalog = Catalog(Catalog.object_a, catalog = AppCatalog(AppCatalog.object_a,
Catalog.object_b) AppCatalog.object_b)
def return_a_b(self): def return_a_b(self):
return (self.catalog.object_a(), return (self.catalog.object_a(),
@ -52,8 +52,8 @@ a1, b1 = Consumer().return_a_b()
# Catalog static provides. # Catalog static provides.
a2 = Catalog.object_a() a2 = AppCatalog.object_a()
b2 = Catalog.object_b() b2 = AppCatalog.object_b()
# Some asserts. # Some asserts.
assert a1 is not a2 assert a1 is not a2