[tor-commits] [stem/master] Submitting for code review.

[atagar@xxxxxxxxxxxxxx]

commit bb0dcfc7fdf9303251dbe7304005d349f9956fd6
Author: Erik <eislo@xxxxxxxxxxxx>
Date:   Wed Aug 1 16:40:56 2012 -0400

    Submitting for code review.
---
 stem/descriptor/export.py      |   16 ++++++++--------
 test/mocking.py                |    5 +++++
 test/unit/descriptor/export.py |    9 ---------
 3 files changed, 13 insertions(+), 17 deletions(-)

diff --git a/stem/descriptor/export.py b/stem/descriptor/export.py
index 11b4918..89a5644 100644
--- a/stem/descriptor/export.py
+++ b/stem/descriptor/export.py
@@ -6,7 +6,7 @@ def export_csv(descriptor, include_fields=(), exclude_fields=()):
   Takes a single descriptor object, puts it in a list, and passes it to
   descriptors_csv_exp to build a csv.
   
-  :param object descriptor: single descriptor whose.
+  :param object descriptor: single descriptor whose attributes will be returned as a string.
   :param list include_fields: list of attribute fields to include in the csv string.
   :param list exclude_fields: list of attribute fields to exclude from csv string.
   
@@ -25,8 +25,7 @@ def export_csvs(descriptors, include_fields=[], exclude_fields=[], header=False)
   :param list descrs: List of descriptor objects whose attributes will be written.
   :param list include_fields: list of attribute fields to include in the csv string.
   :param list exclude_fields: list of attribute fields to exclude from csv string.
-  :param bool header: whether or not a header is requested; probably won't be
-    needed outside of csv_file_exp's call of this function.
+  :param bool header: whether or not a header is requested.
   
   :returns: csv string with one descriptor per line and one attribute per cell.
   :raises: ValueError if more than one descriptor type (e.g. server_descriptor,
@@ -39,7 +38,7 @@ def export_csvs(descriptors, include_fields=[], exclude_fields=[], header=False)
   first = True
   
   for desc in descriptors:
-    import sys
+    #umport sys
     attr = vars(desc)
     
     # Defining incl_fields and the dwriter object requires having access
@@ -90,8 +89,9 @@ def export_csv_file(descriptors, document, include_fields=(), exclude_fields=(),
   :param list include_fields: list of attribute fields to include in the csv line.
   :param list exclude_fields: list of attribute fields to exclude from csv line.
   """
-  if not hasattr(document, 'write'):
-    raise AttributeError("Provided %r object does not have a write method." % document)
-  else:
-    document.write(export_csvs(descriptors, include_fields=include_fields, exclude_fields=exclude_fields, header=header))
   
+  try:
+    document.write(export_csvs(descriptors, include_fields=include_fields, exclude_fields=exclude_fields, header=header))
+  except AttributeError:
+    print "Provided %r object does not have a write() method." % document
+    raise
diff --git a/test/mocking.py b/test/mocking.py
index 071514d..49b8c14 100644
--- a/test/mocking.py
+++ b/test/mocking.py
@@ -67,6 +67,11 @@ def return_for_args(args_to_return_value, kwarg_type=None, default=None):
   
   :param dict args_to_return_value: mapping of arguments to the value we should provide
   :param object kwarg_type: type of kwarg mapping to be used in unwraping these arguments.
+    Though a dictionary would be the obvious choice, mapping expected keyword
+    arguments and their values in the keys of args_to_return_value would result
+    in unhashable types.  Instead, a named tuple may be used and kwarg_type
+    provides the type of the named tuple so it may be parsed.
+    See test/unit/descriptor/export.py for an example.
   :param functor default: returns the value of this function if the args don't match something that we have, we raise a ValueError by default
   """
   
diff --git a/test/unit/descriptor/export.py b/test/unit/descriptor/export.py
index d006e85..12d5ed3 100644
--- a/test/unit/descriptor/export.py
+++ b/test/unit/descriptor/export.py
@@ -82,10 +82,6 @@ class TestExport(unittest.TestCase):
     """
     
     # Single descriptor
-    #print "Type descriptor: %s" % type(descriptor)
-    #print "Type SINGLE_ALL: %s" % type(SINGLE_ALL)
-    #print SINGLE_ALL
-    #print "Type fn Call: %s" % type(export.export_csvs([descriptor]))
     self.assertEquals(SINGLE_ALL + "\r\n", export.export_csvs([descriptor]))
     self.assertEqual(SINGLE_PART + "\r\n", export.export_csvs([descriptor],
       include_fields=['address', 'exit_policy']))
@@ -95,14 +91,9 @@ class TestExport(unittest.TestCase):
       include_fields=['address', 'exit_policy', 'fingerprint'], exclude_fields=['fingerprint']))
     
     # Multiple descriptors
-    #print "Sample Call: \n %s \n\n" %  export.export_csvs([descriptor, descriptor2], header=True)
-    
     self.assertEqual(DOUBLE_ALL, export.export_csvs([descriptor, descriptor2]))
     self.assertEqual(DOUBLE_PART, export.export_csvs([descriptor, descriptor2],
       include_fields=['address', 'exit_policy']))
-    #print export.export_csvs([descriptor, descriptor2], exclude_fields=['onion_key', 'fingerprint'])
-    #print "\n %s" % descriptor2.__dict__
-    
     self.assertEqual(DOUBLE_PART2, export.export_csvs([descriptor, descriptor2],
       exclude_fields=['onion_key', 'fingerprint']))
     self.assertEqual(DOUBLE_PART, export.export_csvs([descriptor, descriptor2],



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