ets-labs/python-dependency-injector
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adding some comments to example, switch prints to asserts for making example easier readable

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Roman Mogilatov 2015-01-04 16:33:02 +02:00
parent 4c20f9c968
commit 7824ba10fa
2 changed files with 14 additions and 10 deletions
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12
README.md
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@ -15,6 +15,7 @@ import objects
import sqlite3
# Some example classes.
class A(object):
def __init__(self, db):
self.db = db
@ -26,6 +27,7 @@ class B(object):
self.db = db
# Catalog of objects providers.
class Catalog(objects.Catalog):
"""
Objects catalog.
@ -45,6 +47,7 @@ class Catalog(objects.Catalog):
""" :type: (objects.Provider) -> B """
# Catalog injection into consumer class.
class Consumer(object):
catalog = Catalog(Catalog.object_a,
Catalog.object_b)
@ -55,14 +58,13 @@ class Consumer(object):
a1, b1 = Consumer().return_a_b()
# Catalog static provides.
a2 = Catalog.object_a()
b2 = Catalog.object_b()
print a1, a1.db
print a2, a2.db
print b1, b1.db
print b2, b2.db
# Some asserts.
assert a1 is not a2
assert b1 is not b2
assert a1.db is a2.db is b1.db is b2.db
```

12
examples/concept.py
View File

@ -6,6 +6,7 @@ import objects
import sqlite3
# Some example classes.
class A(object):
def __init__(self, db):
self.db = db
@ -17,6 +18,7 @@ class B(object):
self.db = db
# Catalog of objects providers.
class Catalog(objects.Catalog):
"""
Objects catalog.
@ -36,6 +38,7 @@ class Catalog(objects.Catalog):
""" :type: (objects.Provider) -> B """
# Catalog injection into consumer class.
class Consumer(object):
catalog = Catalog(Catalog.object_a,
Catalog.object_b)
@ -46,13 +49,12 @@ class Consumer(object):
a1, b1 = Consumer().return_a_b()
# Catalog static provides.
a2 = Catalog.object_a()
b2 = Catalog.object_b()
print a1, a1.db
print a2, a2.db
print b1, b1.db
print b2, b2.db
# Some asserts.
assert a1 is not a2
assert b1 is not b2
assert a1.db is a2.db is b1.db is b2.db