Fix H404/405 violations for tools

There is a lot of H404/405 violations in Tempest now, and that leads
difficult to migrate the code to tempest-lib or the other projects'
repos. This patch fixes these violations for tools for enabling
H404/405 rules on Tempest.

Change-Id: I4e1d78532d8f96edd5fd28a7bd2d62181fe9144b

tools/check_uuid.py

@@ -114,10 +114,8 @@ class TestChecker(object):
 
     @staticmethod
     def _get_idempotent_id(test_node):
-        """
+        # Return key-value dict with all metadata from @test.idempotent_id
-        Return key-value dict with all metadata from @test.idempotent_id
+        # decorators for test method
-        decorators for test method
-        """
         idempotent_id = None
         for decorator in test_node.decorator_list:
             if (hasattr(decorator, 'func') and
@@ -264,8 +262,9 @@ class TestChecker(object):
         return self._filter_tests(check_uuid_in_meta, tests)
 
     def report_collisions(self, tests):
-        """Reports collisions if there are any. Returns true if
+        """Reports collisions if there are any.
-        collisions exist.
+
+        Returns true if collisions exist.
         """
         uuids = {}
 
@@ -298,8 +297,9 @@ class TestChecker(object):
         return bool(self._filter_tests(report, tests))
 
     def report_untagged(self, tests):
-        """Reports untagged tests if there are any. Returns true if
+        """Reports untagged tests if there are any.
-        untagged tests exist.
+
+        Returns true if untagged tests exist.
         """
         def report(module_name, test_name, tests):
             error_str = "%s:%s\nmissing @test.idempotent_id('...')\n%s\n" % (
@@ -312,9 +312,7 @@ class TestChecker(object):
         return bool(self._filter_tests(report, tests))
 
     def fix_tests(self, tests):
-        """Add uuids to all tests specified in tests and
+        """Add uuids to all tests specified in tests and fix it"""
-        fix it in source files
-        """
         patcher = SourcePatcher()
         for module_name in tests:
             add_import_once = True

tools/colorizer.py

@@ -50,9 +50,9 @@ import testtools
 
 
 class _AnsiColorizer(object):
-    """
+    """A colorizer is an object that loosely wraps around a stream
-    A colorizer is an object that loosely wraps around a stream, allowing
+
-    callers to write text to the stream in a particular color.
+    allowing callers to write text to the stream in a particular color.
 
     Colorizer classes must implement C{supported()} and C{write(text, color)}.
     """
@@ -63,7 +63,8 @@ class _AnsiColorizer(object):
         self.stream = stream
 
     def supported(cls, stream=sys.stdout):
-        """
+        """Check the current platform supports coloring terminal output
+
         A class method that returns True if the current platform supports
         coloring terminal output using this method. Returns False otherwise.
         """
@@ -86,8 +87,7 @@ class _AnsiColorizer(object):
     supported = classmethod(supported)
 
     def write(self, text, color):
-        """
+        """Write the given text to the stream in the given color.
-        Write the given text to the stream in the given color.
 
         @param text: Text to be written to the stream.
 
@@ -98,9 +98,7 @@ class _AnsiColorizer(object):
 
 
 class _Win32Colorizer(object):
-    """
+    """See _AnsiColorizer docstring."""
-    See _AnsiColorizer docstring.
-    """
     def __init__(self, stream):
         import win32console
         red, green, blue, bold = (win32console.FOREGROUND_RED,
@@ -146,9 +144,7 @@ class _Win32Colorizer(object):
 
 
 class _NullColorizer(object):
-    """
+    """See _AnsiColorizer docstring."""
-    See _AnsiColorizer docstring.
-    """
     def __init__(self, stream):
         self.stream = stream
 

tools/skip_tracker.py

@@ -40,7 +40,8 @@ def debug(msg, *args, **kwargs):
 
 
 def find_skips(start=TESTDIR):
-    """
+    """Find skipped tests
+
     Returns a list of tuples (method, bug) that represent
     test methods that have been decorated to skip because of
     a particular bug.
@@ -67,9 +68,7 @@ def find_skips(start=TESTDIR):
 
 
 def find_skips_in_file(path):
-    """
+    """Return the skip tuples in a test file"""
-    Return the skip tuples in a test file
-    """
     BUG_RE = re.compile(r'\s*@.*skip_because\(bug=[\'"](\d+)[\'"]')
     DEF_RE = re.compile(r'\s*def (\w+)\(')
     bug_found = False