Update examples for 3.0

Author: rmk135

examples/advanced_usage/inject_flask.py

@@ -30,15 +30,15 @@ class SequencesContainer(containers.DeclarativeContainer):
  class _SequenceContainer1(SequencesContainer):
  object_provider = providers.Factory(object)
  except errors.Error as exception:
- print exception
+ print(exception)
  # <class '__main__._SequenceContainer1'> can contain only
  # <class '__main__.SequenceProvider'> instances
 
  try:
  class _SequenceContainer2(SequencesContainer):
  object_provider = SequenceProvider(object)
  except errors.Error as exception:
- print exception
+ print(exception)
  # <class '__main__.SequenceProvider'> can provide only
  # <class '_abcoll.Sequence'> instances
 

examples/advanced_usage/inject_flask_class_based.py

@@ -24,15 +24,15 @@ class SequenceProvider(providers.Factory):
  try:
  sequences_container.object_provider = providers.Factory(object)
  except errors.Error as exception:
- print exception
+ print(exception)
  # <dependency_injector.containers.DynamicContainer object at
  # 0x107820ed0> can contain only <class '__main__.SequenceProvider'>
  # instances
 
  try:
  sequences_container.object_provider = SequenceProvider(object)
  except errors.Error as exception:
- print exception
+ print(exception)
  # <class '__main__.SequenceProvider'> can provide only
  # <class '_abcoll.Sequence'> instances
 

examples/advanced_usage/inject_simple.py

@@ -7,9 +7,9 @@
 even_filter = providers.Callable(filter, lambda x: x % 2 == 0)
 odd_filter = providers.Callable(filter, lambda x: x % 2 != 0)
 
-# Creating even and odd ranges using xrange() and filter providers:
-even_range = even_filter(xrange(1, 10))
-odd_range = odd_filter(xrange(1, 10))
+# Creating even and odd ranges using range() and filter providers:
+even_range = even_filter(range(1, 10))
+odd_range = odd_filter(range(1, 10))
 
 # Making some asserts:
 assert even_range == [2, 4, 6, 8]

examples/containers/declarative_provider_type.py

@@ -25,6 +25,6 @@ class ServiceProvider(providers.Factory):
 try:
  some_service_provider = ServiceProvider(object)
 except errors.Error as exception:
- print exception
+ print(exception)
  # <class '__main__.ServiceProvider'> can provide only
  # <class '__main__.BaseService'> instances

examples/containers/dynamic_provider_type.py

@@ -30,6 +30,6 @@ class ServiceProvider(providers.Singleton):
 try:
  some_service_provider = ServiceProvider(object)
 except errors.Error as exception:
- print exception
+ print(exception)
  # <class '__main__.ServiceProvider'> can provide only
  # <class '__main__.BaseService'> instances