#18741: fix more typos. Patch by Févry Thibault.

Lib/concurrent/futures/process.py

@@ -297,7 +297,7 @@ def _check_system_limits():
         # sysconf not available or setting not available
         return
     if nsems_max == -1:
-        # indetermine limit, assume that limit is determined
+        # indetermined limit, assume that limit is determined
         # by available memory only
         return
     if nsems_max >= 256:
@@ -411,7 +411,7 @@ class ProcessPoolExecutor(_base.Executor):
             self._result_queue.put(None)
             if wait:
                 self._queue_management_thread.join()
-        # To reduce the risk of openning too many files, remove references to
+        # To reduce the risk of opening too many files, remove references to
         # objects that use file descriptors.
         self._queue_management_thread = None
         self._call_queue = None

Lib/ctypes/test/runtests.py

@@ -2,7 +2,7 @@
 
 Run all tests found in this directory, and print a summary of the results.
 Command line flags:
-  -q     quiet mode: don't prnt anything while the tests are running
+  -q     quiet mode: don't print anything while the tests are running
   -r     run tests repeatedly, look for refcount leaks
   -u<resources>
          Add resources to the lits of allowed resources. '*' allows all

Lib/ctypes/test/test_cfuncs.py

@@ -188,7 +188,7 @@ class CFunctions(unittest.TestCase):
         self.assertEqual(self._dll.tv_i(-42), None)
         self.assertEqual(self.S(), -42)
 
-# The following repeates the above tests with stdcall functions (where
+# The following repeats the above tests with stdcall functions (where
 # they are available)
 try:
     WinDLL

Lib/ctypes/test/test_numbers.py

@@ -213,7 +213,7 @@ class NumberTestCase(unittest.TestCase):
 
     def test_init(self):
         # c_int() can be initialized from Python's int, and c_int.
-        # Not from c_long or so, which seems strange, abd should
+        # Not from c_long or so, which seems strange, abc should
         # probably be changed:
         self.assertRaises(TypeError, c_int, c_long(42))
 

Lib/ctypes/test/test_refcounts.py

@@ -44,7 +44,7 @@ class RefcountTestCase(unittest.TestCase):
         # this is the standard refcount for func
         self.assertEqual(grc(func), 2)
 
-        # the CFuncPtr instance holds atr least one refcount on func:
+        # the CFuncPtr instance holds at least one refcount on func:
         f = OtherCallback(func)
         self.assertTrue(grc(func) > 2)
 
@@ -61,7 +61,7 @@ class RefcountTestCase(unittest.TestCase):
         x = X()
         x.a = OtherCallback(func)
 
-        # the CFuncPtr instance holds atr least one refcount on func:
+        # the CFuncPtr instance holds at least one refcount on func:
         self.assertTrue(grc(func) > 2)
 
         # and may release it again
@@ -74,7 +74,7 @@ class RefcountTestCase(unittest.TestCase):
 
         f = OtherCallback(func)
 
-        # the CFuncPtr instance holds atr least one refcount on func:
+        # the CFuncPtr instance holds at least one refcount on func:
         self.assertTrue(grc(func) > 2)
 
         # create a cycle

Lib/ctypes/test/test_structures.py

@@ -108,7 +108,7 @@ class StructureTestCase(unittest.TestCase):
     def test_emtpy(self):
         # I had problems with these
         #
-        # Although these are patological cases: Empty Structures!
+        # Although these are pathological cases: Empty Structures!
         class X(Structure):
             _fields_ = []
 

Lib/distutils/command/install.py

@@ -545,7 +545,7 @@ class install(Command):
         self.extra_dirs = extra_dirs
 
     def change_roots(self, *names):
-        """Change the install direcories pointed by name using root."""
+        """Change the install directories pointed by name using root."""
         for name in names:
             attr = "install_" + name
             setattr(self, attr, change_root(self.root, getattr(self, attr)))

Lib/distutils/command/sdist.py

@@ -175,7 +175,7 @@ class sdist(Command):
         depends on the user's options.
         """
         # new behavior when using a template:
-        # the file list is recalculated everytime because
+        # the file list is recalculated every time because
         # even if MANIFEST.in or setup.py are not changed
         # the user might have added some files in the tree that
         # need to be included.

Lib/distutils/tests/test_build_clib.py

@@ -77,7 +77,7 @@ class BuildCLibTestCase(support.TempdirManager,
 
         cmd.compiler = FakeCompiler()
 
-        # build_libraries is also doing a bit of typoe checking
+        # build_libraries is also doing a bit of typo checking
         lib = [('name', {'sources': 'notvalid'})]
         self.assertRaises(DistutilsSetupError, cmd.build_libraries, lib)
 

Lib/idlelib/idle_test/mock_tk.py

@@ -35,7 +35,7 @@ class Mbox:
     """Mock for tkinter.messagebox with an Mbox_func for each function.
 
     This module was 'tkMessageBox' in 2.x; hence the 'import as' in  3.x.
-    Example usage in test_module.py for testing functios in module.py:
+    Example usage in test_module.py for testing functions in module.py:
     ---
 from idlelib.idle_test.mock_tk import Mbox
 import module
@@ -98,7 +98,7 @@ class Text:
 
         This implements .index without converting the result back to a string.
         The result is contrained by the number of lines and linelengths of
-        self.data. For many indexes, the result is initally (1, 0).
+        self.data. For many indexes, the result is initially (1, 0).
 
         The input index may have any of several possible forms:
         * line.char float: converted to 'line.char' string;
@@ -149,7 +149,7 @@ class Text:
 
        -1: position before terminal \n; for .insert(), .delete
        0: position after terminal \n; for .get, .delete index 1
-       1: same viewed as begininning of non-existent next line (for .index)
+       1: same viewed as beginning of non-existent next line (for .index)
        '''
         n = len(self.data)
         if endflag == 1:
@@ -271,7 +271,7 @@ class Text:
         "Scroll screen to make the character at INDEX is visible."
         pass
 
-    #  The following is a Misc method inheritet by Text.
+    #  The following is a Misc method inherited by Text.
     # It should properly go in a Misc mock, but is included here for now.
 
     def bind(sequence=None, func=None, add=None):

Lib/idlelib/idle_test/test_formatparagraph.py

@@ -244,7 +244,7 @@ class FormatEventTest(unittest.TestCase):
     """Test the formatting of text inside a Text widget.
 
     This is done with FormatParagraph.format.paragraph_event,
-    which calls funtions in the module as appropriate.
+    which calls functions in the module as appropriate.
     """
     test_string = (
         "    '''this is a test of a reformat for a triple "

Lib/lib2to3/fixes/fix_itertools.py

@@ -34,8 +34,8 @@ class FixItertools(fixer_base.BaseFix):
             # Remove the 'itertools'
             prefix = it.prefix
             it.remove()
-            # Replace the node wich contains ('.', 'function') with the
-            # function (to be consistant with the second part of the pattern)
+            # Replace the node which contains ('.', 'function') with the
+            # function (to be consistent with the second part of the pattern)
             dot.remove()
             func.parent.replace(func)
 

Lib/lib2to3/fixes/fix_metaclass.py

@@ -71,7 +71,7 @@ def fixup_parse_tree(cls_node):
 def fixup_simple_stmt(parent, i, stmt_node):
     """ if there is a semi-colon all the parts count as part of the same
         simple_stmt.  We just want the __metaclass__ part so we move
-        everything efter the semi-colon into its own simple_stmt node
+        everything after the semi-colon into its own simple_stmt node
     """
     for semi_ind, node in enumerate(stmt_node.children):
         if node.type == token.SEMI: # *sigh*

Lib/lib2to3/tests/test_parser.py

@@ -77,7 +77,7 @@ class TestRaiseChanges(GrammarTest):
         self.invalid_syntax("raise E from")
 
 
-# Adapated from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef
+# Adaptated from Python 3's Lib/test/test_grammar.py:GrammarTests.testFuncdef
 class TestFunctionAnnotations(GrammarTest):
     def test_1(self):
         self.validate("""def f(x) -> list: pass""")

Lib/sqlite3/test/regression.py

@@ -161,7 +161,8 @@ class RegressionTests(unittest.TestCase):
 
     def CheckCursorConstructorCallCheck(self):
         """
-        Verifies that cursor methods check wether base class __init__ was called.
+        Verifies that cursor methods check whether base class __init__ was
+        called.
         """
         class Cursor(sqlite.Cursor):
             def __init__(self, con):
@@ -187,7 +188,8 @@ class RegressionTests(unittest.TestCase):
 
     def CheckConnectionConstructorCallCheck(self):
         """
-        Verifies that connection methods check wether base class __init__ was called.
+        Verifies that connection methods check whether base class __init__ was
+        called.
         """
         class Connection(sqlite.Connection):
             def __init__(self, name):

Lib/sqlite3/test/types.py

@@ -229,7 +229,7 @@ class DeclTypesTests(unittest.TestCase):
         self.assertEqual(type(value), float)
 
     def CheckNumber2(self):
-        """Checks wether converter names are cut off at '(' characters"""
+        """Checks whether converter names are cut off at '(' characters"""
         self.cur.execute("insert into test(n2) values (5)")
         value = self.cur.execute("select n2 from test").fetchone()[0]
         # if the converter is not used, it's an int instead of a float

Lib/test/support/__init__.py

@@ -246,7 +246,7 @@ def unload(name):
 
 if sys.platform.startswith("win"):
     def _waitfor(func, pathname, waitall=False):
-        # Peform the operation
+        # Perform the operation
         func(pathname)
         # Now setup the wait loop
         if waitall:
@@ -262,7 +262,7 @@ if sys.platform.startswith("win"):
         # required when contention occurs.
         timeout = 0.001
         while timeout < 1.0:
-            # Note we are only testing for the existance of the file(s) in
+            # Note we are only testing for the existence of the file(s) in
             # the contents of the directory regardless of any security or
             # access rights.  If we have made it this far, we have sufficient
             # permissions to do that much using Python's equivalent of the

Lib/test/test_email/test_headerregistry.py

@@ -531,7 +531,7 @@ class TestContentTypeHeader(TestHeaderBase):
              '\tname*1*=%2A%2A%2Afun%2A%2A%2A%20;\tname*2="is it not.pdf"\n'),
             ),
 
-        # Make sure we also handle it if there are spurrious double qoutes.
+        # Make sure we also handle it if there are spurious double quotes.
         'rfc2231_encoded_with_double_quotes': (
             ("text/plain;"
                 '\tname*0*="us-ascii\'\'This%20is%20even%20more%20";'
@@ -711,8 +711,8 @@ class TestContentTypeHeader(TestHeaderBase):
         # in double quotes, making the value a valid non-encoded string.  The
         # old parser decodes this just like the previous case, which may be the
         # better Postel rule, but could equally result in borking headers that
-        # intentially have quoted quotes in them.  We could get this 98% right
-        # if we treat it as a quoted string *unless* it matches the
+        # intentionally have quoted quotes in them.  We could get this 98%
+        # right if we treat it as a quoted string *unless* it matches the
         # charset'lang'value pattern exactly *and* there is at least one
         # encoded segment.  Implementing that algorithm will require some
         # refactoring, so I haven't done it (yet).
@@ -944,7 +944,7 @@ class TestMIMEVersionHeader(TestHeaderBase):
             [errors.InvalidHeaderDefect]),
 
         # Unrecoverable invalid values.  We *could* apply more heuristics to
-        # get someing out of the first two, but doing so is not worth the
+        # get something out of the first two, but doing so is not worth the
         # effort.
 
         'non_comment_garbage_before': (
@@ -1541,13 +1541,13 @@ class TestFolding(TestHeaderBase):
     def test_fold_unstructured_with_commas(self):
         # The old wrapper would fold this at the commas.
         h = self.make_header('Subject', "This header is intended to "
-            "demonstrate, in a fairly susinct way, that we now do "
+            "demonstrate, in a fairly succinct way, that we now do "
             "not give a , special treatment in unstructured headers.")
         self.assertEqual(
             h.fold(policy=policy.default.clone(max_line_length=60)),
             textwrap.dedent("""\
                 Subject: This header is intended to demonstrate, in a fairly
-                 susinct way, that we now do not give a , special treatment
+                 succinct way, that we now do not give a , special treatment
                  in unstructured headers.
                  """))
 

Lib/unittest/test/test_case.py

@@ -1054,7 +1054,7 @@ test case
                 self.assertWarns(DeprecationWarning, _runtime_warn)
 
     def testAssertWarnsContext(self):
-        # Believe it or not, it is preferrable to duplicate all tests above,
+        # Believe it or not, it is preferable to duplicate all tests above,
         # to make sure the __warningregistry__ $@ is circumvented correctly.
         def _runtime_warn():
             warnings.warn("foo", RuntimeWarning)

Lib/unittest/test/test_loader.py

@@ -324,7 +324,7 @@ class Test_TestLoader(unittest.TestCase):
     # Does loadTestsFromName raise TypeError when the `module` argument
     # isn't a module object?
     #
-    # XXX Accepts the not-a-module object, ignorning the object's type
+    # XXX Accepts the not-a-module object, ignoring the object's type
     # This should raise an exception or the method name should be changed
     #
     # XXX Some people are relying on this, so keep it for now

Lib/unittest/test/test_program.py

@@ -330,7 +330,7 @@ class TestCommandLineArgs(unittest.TestCase):
         self.assertEqual(program.testNames, argv[1:])
 
         # it may be better to use platform specific functions to normalise paths
-        # rather than accepting '.PY' and '\' as file seprator on Linux / Mac
+        # rather than accepting '.PY' and '\' as file separator on Linux / Mac
         # it would also be better to check that a filename is a valid module
         # identifier (we have a regex for this in loader.py)
         # for invalid filenames should we raise a useful error rather than

Lib/xml/etree/ElementTree.py

@@ -836,7 +836,7 @@ class ElementTree:
 
 @contextlib.contextmanager
 def _get_writer(file_or_filename, encoding):
-    # returns text write method and release all resourses after using
+    # returns text write method and release all resources after using
     try:
         write = file_or_filename.write
     except AttributeError: