use inflection package to convert camel case to underscore

CHANGES.rst

@@ -1,6 +1,11 @@
 Changelog
 =========
 
+1.0.1
+-----
+
+- use ``inflection`` package to convert camel case to underscore (bubenkoff)
+
 1.0.0
 -----
 

pytest_factoryboy/__init__.py

@@ -1,11 +1,11 @@
 """pytest-factoryboy public API."""
 
-__version__ = '1.0.0'
+__version__ = '1.0.1'
 
 try:
     from .fixture import register
 
     __all__ = [register.__name__]
-except ImportError:
+except ImportError:  # pragma: no cover
     # avoid import errors when only __version__ is needed (for setup.py)
     pass

pytest_factoryboy/fixture.py

@@ -1,21 +1,17 @@
 """Factory boy fixture integration."""
-import re
 import sys
 import inspect
 from types import CodeType
 
 import factory
+import inflection
 import pytest
 import six
 
 
 SEPARATOR = "__"
 
 
-def to_underscore(value):
-    return re.sub("(?!^)([A-Z]+)", r"_\1", value).lower()
-
-
 def register(factory_class):
     """Register fixtures for the factory class."""
     module = get_caller_module()
@@ -45,11 +41,11 @@ def register(factory_class):
 
 
 def get_model_name(factory_class):
-    return to_underscore(factory_class._meta.model.__name__)
+    return inflection.underscore(factory_class._meta.model.__name__)
 
 
 def get_factory_name(factory_class):
-    return to_underscore(factory_class.__name__)
+    return inflection.underscore(factory_class.__name__)
 
 
 def get_deps(factory_class, parent_factory_class=None):
@@ -112,7 +108,7 @@ def attr_fixture():
 
 
 def make_subfactory_fixture(factory_class):
-    fixture = to_underscore(factory_class._meta.model.__name__)
+    fixture = inflection.underscore(factory_class._meta.model.__name__)
 
     @pytest.fixture
     def subfactory_fixture(request):

setup.py

@@ -40,6 +40,7 @@
     ] + [("Programming Language :: Python :: %s" % x) for x in "2.6 2.7 3.0 3.1 3.2 3.3 3.4".split()],
     install_requires=[
         "six",
+        "inflection",
         "factory_boy",
     ],
     # the following makes a plugin available to py.test