RF: move (and minimal RF) get_func_kwargs_doc from core

datalad_crawler/crawl_init.py

@@ -19,9 +19,9 @@
 from datalad.dochelpers import exc_str
 from datalad.support.param import Parameter
 from datalad.support.constraints import EnsureStr, EnsureNone
-from datalad.utils import get_func_kwargs_doc
 from datalad_crawler.pipeline import load_pipeline_from_template
 from datalad_crawler.pipeline import initiate_pipeline_config
+from datalad_crawler.utils import get_func_kwargs_doc
 
 from logging import getLogger
 lgr = getLogger('datalad.api.crawl_init')

datalad_crawler/tests/test_utils.py

@@ -1,4 +1,7 @@
-from ..utils import flatten
+from ..utils import (
+    flatten,
+    get_func_kwargs_doc,
+)
 
 from datalad.tests.utils import assert_equal
 
@@ -21,3 +24,9 @@ def test_flatten():
     assert_equal(flatten(({0}, (1, 2)), types=(set, tuple)), (0, 1, 2))
     assert_equal(flatten([(0,), {1: 2}], types=(list, tuple, dict), base_type=tuple),
                  (0, 1))
+
+
+def test_get_func_kwargs_doc():
+    def some_func(arg1, kwarg1=None, kwarg2="bu"):
+        return
+    assert_equal(get_func_kwargs_doc(some_func), ['arg1', 'kwarg1', 'kwarg2'])  

datalad_crawler/utils.py

@@ -6,11 +6,13 @@
 #   copyright and license terms.
 #
 # ## ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ### ##
-"""Various utils which might be later moved into datalad core
+"""Various utils which were moved from datalad core or might be later moved into it
 
 To simplify such refactoring tests should be provided here as well
 """
 
+import inspect
+
 
 def flatten(l, types=None, base_type=None):
     """Given a list, return a recursively flattened version
@@ -38,3 +40,20 @@ def flatten(l, types=None, base_type=None):
                base_type()) \
             if isinstance(l, types) \
             else base_type((l,))
+
+
+# moved from datalad core, made python 3 specific
+def get_func_kwargs_doc(func):
+    """ Provides args for a function
+
+    Parameters
+    ----------
+    func:
+      function from which args are being requested
+
+    Returns
+    -------
+    list
+      of the args that a function takes in
+    """
+    return inspect.getfullargspec(func)[0]