Added datetime and file as included converters.

clize/extra/converters.py

@@ -0,0 +1,18 @@
+# clize -- A command-line argument parser for Python
+# Copyright (C) 2011-2015 by Yann Kaiser <kaiser.yann@gmail.com>
+# See COPYING for details.
+
+import io
+
+from dateutil import parser as dparser
+
+
+def datetime(arg):
+    return dparser.parse(arg)
+
+
+def file(**kwargs):
+    def file_(arg):
+        return io.open(arg, **kwargs)
+    return file_
+

clize/tests/extra/test_converters.py

@@ -0,0 +1,78 @@
+# clize -- A command-line argument parser for Python
+# Copyright (C) 2011-2015 by Yann Kaiser <kaiser.yann@gmail.com>
+# See COPYING for details.
+
+from datetime import datetime
+import unittest
+import tempfile
+import shutil
+import os
+
+from sigtools import support
+
+from clize import parser, errors
+from clize.extra import converters
+from clize.tests import util
+
+
+@util.repeated_test
+class ConverterRepTests(object):
+    def _test_func(self, conv, rep):
+        sig = support.s('*, par: c', locals={'c': conv})
+        csig = parser.CliSignature.from_signature(sig)
+        self.assertEqual(str(csig), rep)
+
+    datetime = converters.datetime, '--par=DATETIME'
+    file = converters.file(), '--par=FILE'
+
+
+@util.repeated_test
+class ConverterTests(object):
+    def _test_func(self, conv, inp, out):
+        sig = support.s('*, par: c', locals={'c': conv})
+        csig = parser.CliSignature.from_signature(sig)
+        ba = util.read_arguments(csig, ['--par', inp])
+        self.assertEqual(out, ba.kwargs['par'])
+
+    dt_jan1 = (
+        converters.datetime, '2014-01-01 12:00', datetime(2014, 1, 1, 12, 0))
+
+
+class FileConverterTests(unittest.TestCase):
+    def setUp(self):
+        self.temp = tempfile.mkdtemp()
+
+    def tearDown(self):
+        shutil.rmtree(self.temp)
+
+    def run_conv(self, conv, path):
+        sig = support.s('*, par: c', locals={'c': conv})
+        csig = parser.CliSignature.from_signature(sig)
+        ba = util.read_arguments(csig, ['--par', path])
+        return ba.kwargs['par']
+
+    def test_file_read(self):
+        path = os.path.join(self.temp, 'afile')
+        open(path, 'w').close()
+        arg = self.run_conv(converters.file(), path)
+        self.assertEqual(arg.name, path)
+        self.assertEqual(arg.mode, 'r')
+        self.assertTrue(arg.closed)
+
+    def test_file_write(self):
+        path = os.path.join(self.temp, 'afile')
+        arg = self.run_conv(converters.file(mode='w'), path)
+        self.assertEqual(arg.name, path)
+        self.assertEqual(arg.mode, 'w')
+        self.assertTrue(arg.closed)
+
+
+@util.repeated_test
+class ConverterErrorTests(object):
+    def _test_func(self, conv, inp):
+        sig = support.s('*, par: c', locals={'c': conv})
+        csig = parser.CliSignature.from_signature(sig)
+        self.assertRaises(errors.BadArgumentFormat,
+                          util.read_arguments, csig, ['--par', inp])
+
+    dt_baddate = converters.datetime, 'not a date'

clize/util.py

@@ -53,7 +53,7 @@ def name_type2cli(typ):
     if typ is identity or typ in six.string_types:
         return 'STR'
     else:
-        return typ.__name__.upper()
+        return typ.__name__.strip('_').upper()
 
 def maybe_iter(x):
     try:

tox.ini

@@ -2,10 +2,14 @@
 envlist=py26,py27,py32,py33,py34
 
 [testenv]
+deps=
+    python-dateutil
 commands=python -m setup test
 
 [testenv:py26]
-deps=ordereddict
+deps=
+    ordereddict
+    python-dateutil
 
 
 [testenv:docs]
@@ -16,6 +20,7 @@ commands=
 [testenv:cover]
 basepython=python3.4
 deps=
+    python-dateutil
     coverage
 commands=
     coverage erase