Merge branch 'pypy-py3k' of git://github.com/NextThought/Acquisition into NextThought-pypy-py3k

.travis.yml

@@ -3,6 +3,8 @@ sudo: false
 python:
     - 2.6
     - 2.7
+    - 3.4
+    - pypy
 install:
     - python bootstrap.py
     - bin/buildout

CHANGES.rst

 Changelog
 =========
 
+4.2 (unreleased)
+----------------
+
+- Add support for PyPy and Python 3.
+
 4.1 (2014-12-18)
 ----------------
 

README.rst

@@ -34,7 +34,7 @@ class. For example::
 
   >>> class A(Acquisition.Implicit):
   ...     def report(self):
-  ...         print self.color
+  ...         print(self.color)
   ...
   >>> a = A()
   >>> c = C()
@@ -107,7 +107,7 @@ When explicit acquisition is used, attributes are not automatically
 obtained from the environment. Instead, the method aq_acquire must be
 used. For example::
 
-  >>> print c.a.aq_acquire('color')
+  >>> print(c.a.aq_acquire('color'))
   red
 
 To support explicit acquisition, your class should inherit from the
@@ -192,7 +192,7 @@ Here's an example::
   >>> def find_nice(self, ancestor, name, object, extra):
   ...     return hasattr(object,'isNice') and object.isNice
 
-  >>> print a.b.c.aq_acquire('p', find_nice)
+  >>> print(a.b.c.aq_acquire('p', find_nice))
   spam(Nice) and I am nice!
 
 The filtered acquisition in the last line skips over the first
@@ -221,7 +221,7 @@ method. For example::
   >>> a = C()
   >>> b = C()
   >>> a.color = "red"
-  >>> print b.__of__(a).color
+  >>> print(b.__of__(a).color)
   red
 
 In this case, ``a`` does not contain ``b``, but it is put in ``b``'s
@@ -241,7 +241,7 @@ acquisition context that includes non-container objects::
   >>> a.b.color = "red"
   >>> a.x = C("x")
 
-  >>> print a.b.x.color
+  >>> print(a.b.x.color)
   red
 
 Even though ``b`` does not contain ``x``, ``x`` can acquire the color
@@ -262,7 +262,7 @@ If in the example above suppose both a and b have an color attribute::
   >>> a.b.color = "red"
   >>> a.x = C("x")
 
-  >>> print a.b.x.color
+  >>> print(a.b.x.color)
   green
 
 Why does ``a.b.x.color`` acquire color from ``a`` and not from ``b``?

setup.py

@@ -14,6 +14,8 @@
 """Setup for the Acquisition distribution
 """
 import os
+import platform
+import sys
 from setuptools import setup, find_packages, Extension
 
 with open('README.rst') as f:
@@ -22,9 +24,24 @@ with open('README.rst') as f:
 with open('CHANGES.rst') as f:
     CHANGES = f.read()
 
+# PyPy won't build the extension.
+py_impl = getattr(platform, 'python_implementation', lambda: None)
+is_pypy = py_impl() == 'PyPy'
+is_pure = 'PURE_PYTHON' in os.environ
+py3k = sys.version_info >= (3, )
+if is_pypy or is_pure or py3k:
+    ext_modules = []
+else:
+    ext_modules=[Extension("Acquisition._Acquisition",
+                           [os.path.join('src', 'Acquisition',
+                                         '_Acquisition.c')],
+                           include_dirs=['include', 'src']),
+                 ]
+
+
 setup(
     name='Acquisition',
-    version='4.1',
+    version='4.2.dev0',
     url='https://github.com/zopefoundation/Acquisition',
     license='ZPL 2.1',
     description="Acquisition is a mechanism that allows objects to obtain "
@@ -41,18 +58,17 @@ setup(
         "License :: OSI Approved :: Zope Public License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2 :: Only",
+        "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 2.6",
         "Programming Language :: Python :: 2.7",
+        "Programming Language :: Python :: 3",
+        "Programming Language :: Python :: 3.4",
         "Programming Language :: Python :: Implementation :: CPython",
+        "Programming Language :: Python :: Implementation :: PyPy",
     ],
-    ext_modules=[Extension("Acquisition._Acquisition",
-                           [os.path.join('src', 'Acquisition',
-                                         '_Acquisition.c')],
-                           include_dirs=['include', 'src']),
-                 ],
+    ext_modules=ext_modules,
     install_requires=[
-        'ExtensionClass >= 4.1a1',
+        'ExtensionClass >= 4.1.1',
         'zope.interface',
     ],
     include_package_data=True,