bpo-32297: Few misspellings found in Python source code comments.

Doc/includes/email-read-alternative.py

@@ -21,7 +21,7 @@
 print('From:', msg['from'])
 print('Subject:', msg['subject'])
 
-# If we want to print a priview of the message content, we can extract whatever
+# If we want to print a preview of the message content, we can extract whatever
 # the least formatted payload is and print the first three lines.  Of course,
 # if the message has no plain text part printing the first three lines of html
 # is probably useless, but this is just a conceptual example.

Lib/ctypes/test/test_pep3118.py

@@ -188,7 +188,7 @@ class Complete(Structure):
     (PackedPoint,               "B",                                   (),  PackedPoint),
     (Point2,                    "T{<l:x:<l:y:}".replace('l', s_long),  (),  Point2),
     (EmptyStruct,               "T{}",                                 (),  EmptyStruct),
-    # the pep does't support unions
+    # the pep doesn't support unions
     (aUnion,                    "B",                                   (),  aUnion),
     # structure with sub-arrays
     (StructWithArrays, "T{(2,3)<l:x:(4)T{<l:x:<l:y:}:y:}".replace('l', s_long), (), StructWithArrays),

Lib/ctypes/test/test_structures.py

@@ -129,7 +129,7 @@ class XX(Structure):
         self.assertEqual(sizeof(XX), 0)
 
     def test_fields(self):
-        # test the offset and size attributes of Structure/Unoin fields.
+        # test the offset and size attributes of Structure/Union fields.
         class X(Structure):
             _fields_ = [("x", c_int),
                         ("y", c_char)]

Lib/email/quoprimime.py

@@ -173,7 +173,7 @@ def body_encode(body, maxlinelen=76, eol=NL):
     if not body:
         return body
 
-    # quote speacial characters
+    # quote special characters
     body = body.translate(_QUOPRI_BODY_ENCODE_MAP)
 
     soft_break = '=' + eol

Lib/http/client.py

@@ -538,7 +538,7 @@ def _get_chunk_left(self):
         chunk_left = self.chunk_left
         if not chunk_left: # Can be 0 or None
             if chunk_left is not None:
-                # We are at the end of chunk. dicard chunk end
+                # We are at the end of chunk, discard chunk end
                 self._safe_read(2)  # toss the CRLF at the end of the chunk
             try:
                 chunk_left = self._read_next_chunk_size()

Lib/os.py

@@ -891,7 +891,7 @@ def spawnve(mode, file, args, env):
 otherwise return -SIG, where SIG is the signal that killed it. """
         return _spawnvef(mode, file, args, env, execve)
 
-    # Note: spawnvp[e] is't currently supported on Windows
+    # Note: spawnvp[e] isn't currently supported on Windows
 
     def spawnvp(mode, file, args):
         """spawnvp(mode, file, args) -> integer

Lib/tarfile.py

@@ -1058,7 +1058,7 @@ def frombuf(cls, buf, encoding, errors):
 
         # The old GNU sparse format occupies some of the unused
         # space in the buffer for up to 4 sparse structures.
-        # Save the them for later processing in _proc_sparse().
+        # Save them for later processing in _proc_sparse().
         if obj.type == GNUTYPE_SPARSE:
             pos = 386
             structs = []

Lib/test/_test_multiprocessing.py

@@ -4115,7 +4115,7 @@ def test_noforkbomb(self):
 #
 
 class TestForkAwareThreadLock(unittest.TestCase):
-    # We recurisvely start processes.  Issue #17555 meant that the
+    # We recursively start processes.  Issue #17555 meant that the
     # after fork registry would get duplicate entries for the same
     # lock.  The size of the registry at generation n was ~2**n.
 

Lib/test/test_baseexception.py

@@ -163,7 +163,7 @@ def test_raise_string(self):
         self.raise_fails("spam")
 
     def test_catch_non_BaseException(self):
-        # Tryinng to catch an object that does not inherit from BaseException
+        # Trying to catch an object that does not inherit from BaseException
         # is not allowed.
         class NonBaseException(object):
             pass

Lib/test/test_class.py

@@ -617,7 +617,7 @@ class C:
         with self.assertRaisesRegex(TypeError, r'C\(\).__init__\(\) takes no arguments'):
             object.__init__(C(), 42)
 
-        # Class with both `__init__` & `__new__` method overriden
+        # Class with both `__init__` & `__new__` method overridden
         class D:
             def __new__(cls, *args, **kwargs):
                 super().__new__(cls, *args, **kwargs)

Lib/test/test_collections.py

@@ -558,7 +558,7 @@ def __await__(self):
 
         c = new_coro()
         self.assertIsInstance(c, Awaitable)
-        c.close() # awoid RuntimeWarning that coro() was not awaited
+        c.close() # avoid RuntimeWarning that coro() was not awaited
 
         class CoroLike: pass
         Coroutine.register(CoroLike)
@@ -608,7 +608,7 @@ def __await__(self):
 
         c = new_coro()
         self.assertIsInstance(c, Coroutine)
-        c.close() # awoid RuntimeWarning that coro() was not awaited
+        c.close() # avoid RuntimeWarning that coro() was not awaited
 
         class CoroLike:
             def send(self, value):
@@ -1615,7 +1615,7 @@ def test_MutableSequence(self):
             '__len__', '__getitem__', '__setitem__', '__delitem__', 'insert')
 
     def test_MutableSequence_mixins(self):
-        # Test the mixins of MutableSequence by creating a miminal concrete
+        # Test the mixins of MutableSequence by creating a minimal concrete
         # class inherited from it.
         class MutableSequenceSubclass(MutableSequence):
             def __init__(self):

Lib/test/test_dataclasses.py

@@ -998,7 +998,7 @@ def __post_init__(self):
         self.assertEqual(C().x, 0)
         self.assertEqual(C(2).x, 4)
 
-        # Make sure that if we'r frozen, post-init can't set
+        # Make sure that if we're frozen, post-init can't set
         #  attributes.
         @dataclass(frozen=True)
         class C:

Lib/test/test_functools.py

@@ -420,7 +420,7 @@ def __str__(self):
                 p.keywords[self] = ['sth2']
                 return 'astr'
 
-        # Raplacing the value during key formatting should keep the original
+        # Replacing the value during key formatting should keep the original
         # value alive (at least long enough).
         p.keywords[MutatesYourDict()] = ['sth']
         r = repr(p)

Lib/test/test_generators.py

@@ -1458,7 +1458,7 @@ def remove_from_successors(i0, len=len):
             # If we create a square with one exit, we must visit it next;
             # else somebody else will have to visit it, and since there's
             # only one adjacent, there won't be a way to leave it again.
-            # Finelly, if we create more than one free square with a
+            # Finally, if we create more than one free square with a
             # single exit, we can only move to one of them next, leaving
             # the other one a dead end.
             ne0 = ne1 = 0

Lib/test/test_importlib/builtin/test_finder.py

@@ -22,7 +22,7 @@ def test_module(self):
     # Built-in modules cannot be a package.
     test_package = None
 
-    # Built-in modules cannobt be in a package.
+    # Built-in modules cannot be in a package.
     test_module_in_package = None
 
     # Built-in modules cannot be a package.

Lib/test/test_importlib/source/test_file_loader.py

@@ -267,7 +267,7 @@ def test_checked_hash_based_pyc(self):
             )
 
     @util.writes_bytecode_files
-    def test_overriden_checked_hash_based_pyc(self):
+    def test_overridden_checked_hash_based_pyc(self):
         with util.create_modules('_temp') as mapping, \
              unittest.mock.patch('_imp.check_hash_based_pycs', 'never'):
             source = mapping['_temp']

Lib/test/test_inspect.py

@@ -1569,7 +1569,7 @@ class Foo(object):
         foo.__dict__['d'] = 1
         self.assertEqual(inspect.getattr_static(foo, 'd'), 1)
 
-        # if the descriptor is a data-desciptor we should return the
+        # if the descriptor is a data-descriptor we should return the
         # descriptor
         descriptor.__set__ = lambda s, i, v: None
         self.assertEqual(inspect.getattr_static(foo, 'd'), Foo.__dict__['d'])

Lib/test/test_io.py

@@ -579,7 +579,7 @@ def test_raw_bytes_io(self):
         self.read_ops(f, True)
 
     def test_large_file_ops(self):
-        # On Windows and Mac OSX this test comsumes large resources; It takes
+        # On Windows and Mac OSX this test consumes large resources; It takes
         # a long time to build the >2 GiB file and takes >2 GiB of disk space
         # therefore the resource must be enabled to run this test.
         if sys.platform[:3] == 'win' or sys.platform == 'darwin':

Lib/test/test_largefile.py

@@ -141,7 +141,7 @@ def setUpModule():
     except (ImportError, AttributeError):
         pass
 
-    # On Windows and Mac OSX this test comsumes large resources; It
+    # On Windows and Mac OSX this test consumes large resources; It
     # takes a long time to build the >2 GiB file and takes >2 GiB of disk
     # space therefore the resource must be enabled to run this test.
     # If not, nothing after this line stanza will be executed.

Lib/test/test_logging.py

@@ -178,7 +178,7 @@ class BuiltinLevelsTest(BaseTest):
     """Test builtin levels and their inheritance."""
 
     def test_flat(self):
-        #Logging levels in a flat logger namespace.
+        # Logging levels in a flat logger namespace.
         m = self.next_message
 
         ERR = logging.getLogger("ERR")
@@ -248,7 +248,7 @@ def test_nested_explicit(self):
         ])
 
     def test_nested_inherited(self):
-        #Logging levels in a nested namespace, inherited from parent loggers.
+        # Logging levels in a nested namespace, inherited from parent loggers.
         m = self.next_message
 
         INF = logging.getLogger("INF")
@@ -1913,9 +1913,9 @@ def test_encoding_plain_file(self):
 
     def test_encoding_cyrillic_unicode(self):
         log = logging.getLogger("test")
-        #Get a message in Unicode: Do svidanya in Cyrillic (meaning goodbye)
+        # Get a message in Unicode: Do svidanya in Cyrillic (meaning goodbye)
         message = '\u0434\u043e \u0441\u0432\u0438\u0434\u0430\u043d\u0438\u044f'
-        #Ensure it's written in a Cyrillic encoding
+        # Ensure it's written in a Cyrillic encoding
         writer_class = codecs.getwriter('cp1251')
         writer_class.encoding = 'cp1251'
         stream = io.BytesIO()
@@ -1929,7 +1929,7 @@ def test_encoding_cyrillic_unicode(self):
             handler.close()
         # check we wrote exactly those bytes, ignoring trailing \n etc
         s = stream.getvalue()
-        #Compare against what the data should be when encoded in CP-1251
+        # Compare against what the data should be when encoded in CP-1251
         self.assertEqual(s, b'\xe4\xee \xf1\xe2\xe8\xe4\xe0\xed\xe8\xff\n')
 
 
@@ -1950,7 +1950,7 @@ def test_warnings(self):
             h.close()
             self.assertGreater(s.find("UserWarning: I'm warning you...\n"), 0)
 
-            #See if an explicit file uses the original implementation
+            # See if an explicit file uses the original implementation
             a_file = io.StringIO()
             warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
                                  a_file, "Dummy line")
@@ -2091,7 +2091,7 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #As config1 but with a misspelt level on a handler
+    # As config1 but with a misspelt level on a handler
     config2a = {
         'version': 1,
         'formatters': {
@@ -2119,7 +2119,7 @@ class ConfigDictTest(BaseTest):
     }
 
 
-    #As config1 but with a misspelt level on a logger
+    # As config1 but with a misspelt level on a logger
     config2b = {
         'version': 1,
         'formatters': {
@@ -2286,8 +2286,8 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #config 7 does not define compiler.parser but defines compiler.lexer
-    #so compiler.parser should be disabled after applying it
+    # config 7 does not define compiler.parser but defines compiler.lexer
+    # so compiler.parser should be disabled after applying it
     config7 = {
         'version': 1,
         'formatters': {
@@ -2432,7 +2432,7 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #As config1 but with a filter added
+    # As config1 but with a filter added
     config10 = {
         'version': 1,
         'formatters': {
@@ -2466,7 +2466,7 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #As config1 but using cfg:// references
+    # As config1 but using cfg:// references
     config11 = {
         'version': 1,
         'true_formatters': {
@@ -2497,7 +2497,7 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #As config11 but missing the version key
+    # As config11 but missing the version key
     config12 = {
         'true_formatters': {
             'form1' : {
@@ -2527,7 +2527,7 @@ class ConfigDictTest(BaseTest):
         },
     }
 
-    #As config11 but using an unsupported version
+    # As config11 but using an unsupported version
     config13 = {
         'version': 2,
         'true_formatters': {
@@ -2728,7 +2728,7 @@ def test_config7_ok(self):
             # Original logger output is empty.
             self.assert_log_lines([])
 
-    #Same as test_config_7_ok but don't disable old loggers.
+    # Same as test_config_7_ok but don't disable old loggers.
     def test_config_8_ok(self):
         with support.captured_stdout() as output:
             self.apply_config(self.config1)
@@ -2809,15 +2809,15 @@ def test_config_9_ok(self):
         with support.captured_stdout() as output:
             self.apply_config(self.config9)
             logger = logging.getLogger("compiler.parser")
-            #Nothing will be output since both handler and logger are set to WARNING
+            # Nothing will be output since both handler and logger are set to WARNING
             logger.info(self.next_message())
             self.assert_log_lines([], stream=output)
             self.apply_config(self.config9a)
-            #Nothing will be output since both handler is still set to WARNING
+            # Nothing will be output since handler is still set to WARNING
             logger.info(self.next_message())
             self.assert_log_lines([], stream=output)
             self.apply_config(self.config9b)
-            #Message should now be output
+            # Message should now be output
             logger.info(self.next_message())
             self.assert_log_lines([
                 ('INFO', '3'),
@@ -2829,13 +2829,13 @@ def test_config_10_ok(self):
             logger = logging.getLogger("compiler.parser")
             logger.warning(self.next_message())
             logger = logging.getLogger('compiler')
-            #Not output, because filtered
+            # Not output, because filtered
             logger.warning(self.next_message())
             logger = logging.getLogger('compiler.lexer')
-            #Not output, because filtered
+            # Not output, because filtered
             logger.warning(self.next_message())
             logger = logging.getLogger("compiler.parser.codegen")
-            #Output, as not filtered
+            # Output, as not filtered
             logger.error(self.next_message())
             self.assert_log_lines([
                 ('WARNING', '1'),
@@ -2894,13 +2894,13 @@ def test_listen_config_10_ok(self):
             logger = logging.getLogger("compiler.parser")
             logger.warning(self.next_message())
             logger = logging.getLogger('compiler')
-            #Not output, because filtered
+            # Not output, because filtered
             logger.warning(self.next_message())
             logger = logging.getLogger('compiler.lexer')
-            #Not output, because filtered
+            # Not output, because filtered
             logger.warning(self.next_message())
             logger = logging.getLogger("compiler.parser.codegen")
-            #Output, as not filtered
+            # Output, as not filtered
             logger.error(self.next_message())
             self.assert_log_lines([
                 ('WARNING', '1'),
@@ -4335,7 +4335,7 @@ def test_rollover(self):
                 break
         msg = 'No rotated files found, went back %d seconds' % GO_BACK
         if not found:
-            #print additional diagnostics
+            # print additional diagnostics
             dn, fn = os.path.split(self.fn)
             files = [f for f in os.listdir(dn) if f.startswith(fn)]
             print('Test time: %s' % now.strftime("%Y-%m-%d %H-%M-%S"), file=sys.stderr)

Lib/test/test_math.py

@@ -1423,7 +1423,7 @@ def assertIsNaN(self, value):
 
 
 class IsCloseTests(unittest.TestCase):
-    isclose = math.isclose # sublcasses should override this
+    isclose = math.isclose  # subclasses should override this
 
     def assertIsClose(self, a, b, *args, **kwargs):
         self.assertTrue(self.isclose(a, b, *args, **kwargs),

Lib/test/test_parser.py

@@ -30,7 +30,7 @@ def check_expr(self, s):
         self.roundtrip(parser.expr, s)
 
     def test_flags_passed(self):
-        # The unicode literals flags has to be passed from the paser to AST
+        # The unicode literals flags has to be passed from the parser to AST
         # generation.
         suite = parser.suite("from __future__ import unicode_literals; x = ''")
         code = suite.compile()

Lib/test/test_random.py

@@ -24,7 +24,7 @@ def test_autoseed(self):
         self.gen.seed()
         state1 = self.gen.getstate()
         time.sleep(0.1)
-        self.gen.seed()      # diffent seeds at different times
+        self.gen.seed()      # different seeds at different times
         state2 = self.gen.getstate()
         self.assertNotEqual(state1, state2)