File 0001-Fix-formatter-handling-for-python-3.7.patch of Package python-osc-lib

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File 0001-Fix-formatter-handling-for-python-3.7.patch of Package python-osc-lib

From 72fbf45ed15a1b4c8111cac9f4446289ca187b0d Mon Sep 17 00:00:00 2001
From: Rabi Mishra <ramishra@redhat.com>
Date: Thu, 15 Nov 2018 16:57:22 +0530
Subject: [PATCH] Fix formatter handling for python 3.7

Calling issubclass() on a python function fails in Python 3.7.

Change-Id: Id2abfaad6ed96532157b9bc7b2124e6f6ad37511
Story: #2003322
Task: 27942
---
 osc_lib/utils/__init__.py | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/osc_lib/utils/__init__.py b/osc_lib/utils/__init__.py
index d640ca8..f3573c7 100644
--- a/osc_lib/utils/__init__.py
+++ b/osc_lib/utils/__init__.py
@@ -430,9 +430,10 @@ def get_dict_properties(item, fields, mixed_case_fields=None, formatters=None):
         data = item[field_name] if field_name in item else ''
         if field in formatters:
             formatter = formatters[field]
-            if issubclass(formatter, cliff_columns.FormattableColumn):
+            if (isinstance(formatter, type) and issubclass(
+                    formatter, cliff_columns.FormattableColumn)):
                 data = formatter(data)
-            else:
+            elif callable(formatter):
                 warnings.warn(
                     'The usage of formatter functions is now discouraged. '
                     'Consider using cliff.columns.FormattableColumn instead. '
@@ -440,6 +441,10 @@ def get_dict_properties(item, fields, mixed_case_fields=None, formatters=None):
                     category=DeprecationWarning)
                 if data is not None:
                     data = formatter(data)
+            else:
+                msg = "Invalid formatter provided."
+                raise exceptions.CommandError(msg)
+
         row.append(data)
     return tuple(row)
 
@@ -492,9 +497,10 @@ def get_item_properties(item, fields, mixed_case_fields=None, formatters=None):
         data = getattr(item, field_name, '')
         if field in formatters:
             formatter = formatters[field]
-            if issubclass(formatter, cliff_columns.FormattableColumn):
+            if (isinstance(formatter, type) and issubclass(
+                    formatter, cliff_columns.FormattableColumn)):
                 data = formatter(data)
-            else:
+            elif callable(formatter):
                 warnings.warn(
                     'The usage of formatter functions is now discouraged. '
                     'Consider using cliff.columns.FormattableColumn instead. '
@@ -502,6 +508,10 @@ def get_item_properties(item, fields, mixed_case_fields=None, formatters=None):
                     category=DeprecationWarning)
                 if data is not None:
                     data = formatter(data)
+            else:
+                msg = "Invalid formatter provided."
+                raise exceptions.CommandError(msg)
+
         row.append(data)
     return tuple(row)
 
-- 
2.21.0

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File 0001-Fix-formatter-handling-for-python-3.7.patch of Package python-osc-lib

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