utarfile: Metadata and example.

utarfile/example-extract.py

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+import sys
+import os
+import shutil
+import utarfile
+
+t = utarfile.TarFile(sys.argv[1])
+for i in t:
+    print(i)
+    if i.type == utarfile.DIRTYPE:
+        os.makedirs(i.name)
+    else:
+        f = t.extractfile(i)
+        shutil.copyfileobj(f, open(i.name, "wb"))

utarfile/metadata.txt

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+srctype = micropython-lib
+type = module
+version = 0.1
+author = Paul Sokolovsky
+long_desc = Lightweight tarfile module subset

utarfile/setup.py

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+import sys
+# Remove current dir from sys.path, otherwise setuptools will peek up our
+# module instead of system.
+sys.path.pop(0)
+from setuptools import setup
+
+
+setup(name='micropython-utarfile',
+      version='0.1',
+      description='utarfile module for MicroPython',
+      long_description='Lightweight tarfile module subset',
+      url='https://github.com/micropython/micropython/issues/405',
+      author='Paul Sokolovsky',
+      author_email='micro-python@googlegroups.com',
+      maintainer='MicroPython Developers',
+      maintainer_email='micro-python@googlegroups.com',
+      license='MIT',
+      py_modules=['utarfile'])