mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-21 17:16:46 +03:00
modifying concepts
This commit is contained in:
parent
e00a5f8c76
commit
80e2a1fdf1
|
@ -2,7 +2,7 @@
|
|||
Concept example of objects catalogs.
|
||||
"""
|
||||
|
||||
import objects
|
||||
from objects import Catalog, Singleton, NewInstance, KwArg, Attribute
|
||||
import sqlite3
|
||||
|
||||
|
||||
|
@ -19,30 +19,30 @@ class B(object):
|
|||
|
||||
|
||||
# Catalog of objects providers.
|
||||
class Catalog(objects.Catalog):
|
||||
class AppCatalog(Catalog):
|
||||
"""
|
||||
Objects catalog.
|
||||
"""
|
||||
|
||||
database = objects.Singleton(provides=sqlite3.Connection,
|
||||
database=objects.KwArg('example.db'),
|
||||
row_factory=objects.Attribute(sqlite3.Row))
|
||||
""" :type: (objects.Provider) -> sqlite3.Connection """
|
||||
database = Singleton(provides=sqlite3.Connection,
|
||||
database=KwArg('example.db'),
|
||||
row_factory=Attribute(sqlite3.Row))
|
||||
""" :type: (Provider) -> sqlite3.Connection """
|
||||
|
||||
object_a = objects.NewInstance(provides=A,
|
||||
db=objects.KwArg(database))
|
||||
""" :type: (objects.Provider) -> A """
|
||||
object_a = NewInstance(provides=A,
|
||||
db=KwArg(database))
|
||||
""" :type: (Provider) -> A """
|
||||
|
||||
object_b = objects.NewInstance(provides=B,
|
||||
a=objects.KwArg(object_a),
|
||||
db=objects.KwArg(database))
|
||||
""" :type: (objects.Provider) -> B """
|
||||
object_b = NewInstance(provides=B,
|
||||
a=KwArg(object_a),
|
||||
db=KwArg(database))
|
||||
""" :type: (Provider) -> B """
|
||||
|
||||
|
||||
# Catalog injection into consumer class.
|
||||
class Consumer(object):
|
||||
catalog = Catalog(Catalog.object_a,
|
||||
Catalog.object_b)
|
||||
catalog = AppCatalog(AppCatalog.object_a,
|
||||
AppCatalog.object_b)
|
||||
|
||||
def return_a_b(self):
|
||||
return (self.catalog.object_a(),
|
||||
|
@ -52,8 +52,8 @@ a1, b1 = Consumer().return_a_b()
|
|||
|
||||
|
||||
# Catalog static provides.
|
||||
a2 = Catalog.object_a()
|
||||
b2 = Catalog.object_b()
|
||||
a2 = AppCatalog.object_a()
|
||||
b2 = AppCatalog.object_b()
|
||||
|
||||
# Some asserts.
|
||||
assert a1 is not a2
|
||||
|
|
|
@ -2,7 +2,7 @@
|
|||
Concept example of objects catalogs.
|
||||
"""
|
||||
|
||||
import objects
|
||||
from objects import Catalog, Singleton, NewInstance, KwArg, Attribute
|
||||
import sqlite3
|
||||
|
||||
|
||||
|
@ -19,30 +19,30 @@ class B(object):
|
|||
|
||||
|
||||
# Catalog of objects providers.
|
||||
class Catalog(objects.Catalog):
|
||||
class AppCatalog(Catalog):
|
||||
"""
|
||||
Objects catalog.
|
||||
"""
|
||||
|
||||
database = objects.Singleton(sqlite3.Connection,
|
||||
objects.KwArg('database', ':memory:'),
|
||||
objects.Attribute('row_factory', sqlite3.Row))
|
||||
database = Singleton(sqlite3.Connection,
|
||||
KwArg('database', ':memory:'),
|
||||
Attribute('row_factory', sqlite3.Row))
|
||||
""" :type: (objects.Provider) -> sqlite3.Connection """
|
||||
|
||||
object_a = objects.NewInstance(A,
|
||||
objects.KwArg('db', database))
|
||||
object_a = NewInstance(A,
|
||||
KwArg('db', database))
|
||||
""" :type: (objects.Provider) -> A """
|
||||
|
||||
object_b = objects.NewInstance(B,
|
||||
objects.KwArg('a', object_a),
|
||||
objects.KwArg('db', database))
|
||||
object_b = NewInstance(B,
|
||||
KwArg('a', object_a),
|
||||
KwArg('db', database))
|
||||
""" :type: (objects.Provider) -> B """
|
||||
|
||||
|
||||
# Catalog injection into consumer class.
|
||||
class Consumer(object):
|
||||
catalog = Catalog(Catalog.object_a,
|
||||
Catalog.object_b)
|
||||
catalog = AppCatalog(AppCatalog.object_a,
|
||||
AppCatalog.object_b)
|
||||
|
||||
def return_a_b(self):
|
||||
return (self.catalog.object_a(),
|
||||
|
@ -52,8 +52,8 @@ a1, b1 = Consumer().return_a_b()
|
|||
|
||||
|
||||
# Catalog static provides.
|
||||
a2 = Catalog.object_a()
|
||||
b2 = Catalog.object_b()
|
||||
a2 = AppCatalog.object_a()
|
||||
b2 = AppCatalog.object_b()
|
||||
|
||||
# Some asserts.
|
||||
assert a1 is not a2
|
||||
|
|
Loading…
Reference in New Issue
Block a user