functools: Implement partial().

functools/functools.py

@@ -0,0 +1,6 @@
+def partial(func, *args, **kwargs):
+    def _partial(*more_args, **more_kwargs):
+        kw = kwargs.copy()
+        kw.update(more_kwargs)
+        func(*(args + more_args), **kw)
+    return _partial

functools/metadata.txt

@@ -0,0 +1,3 @@
+srctype = micropython-lib
+type = module
+version = 0.0.1

functools/setup.py

@@ -1,18 +1,18 @@
 import sys
-# Remove current dir from sys.path, otherwise distutils will peek up our
-# module instead of system one.
+# Remove current dir from sys.path, otherwise setuptools will peek up our
+# module instead of system.
 sys.path.pop(0)
-sys.path.insert(0, '..')
 from setuptools import setup
-import metadata
 
-NAME = 'functools'
 
-setup(name='micropython-' + NAME,
-      version='0.0.0',
-      description=metadata.desc_dummy(NAME),
-      url=metadata.url,
-      author=metadata.author_upy_devels,
-      author_email=metadata.author_upy_devels_email,
+setup(name='micropython-functools',
+      version='0.0.1',
+      description='functools module for MicroPython',
+      long_description="This is a module reimplemented specifically for MicroPython standard library,\nwith efficient and lean design in mind. Note that this module is likely work\nin progress and likely supports just a subset of CPython's corresponding\nmodule. Please help with the development if you are interested in this\nmodule.",
+      url='https://github.com/micropython/micropython/issues/405',
+      author='MicroPython Developers',
+      author_email='micro-python@googlegroups.com',
+      maintainer='MicroPython Developers',
+      maintainer_email='micro-python@googlegroups.com',
       license='MIT',
-      py_modules=[NAME])
+      py_modules=['functools'])

functools/test_partial.py

@@ -0,0 +1,8 @@
+from functools import partial
+
+def foo(x, y, prompt="result:"):
+    print(prompt, x + y)
+
+
+f = partial(foo, 10, prompt="arg+10:")
+f(20)