Spelling fixes (python#2902)

Doc/library/sys.rst

@@ -610,7 +610,7 @@ always available.
    :class:`~collections.namedtuple` of the form `(firstiter, finalizer)`,
    where *firstiter* and *finalizer* are expected to be either ``None`` or
    functions which take an :term:`asynchronous generator iterator` as an
-   argument, and are used to schedule finalization of an asychronous
+   argument, and are used to schedule finalization of an asynchronous
    generator by an event loop.
 
    .. versionadded:: 3.6

Include/abstract.h

@@ -170,7 +170,7 @@ PyAPI_FUNC(PyObject*) _PyStack_AsTupleSlice(
    format to a Python dictionary ("kwargs" dict).
 
    The type of kwnames keys is not checked. The final function getting
-   arguments is reponsible to check if all keys are strings, for example using
+   arguments is responsible to check if all keys are strings, for example using
    PyArg_ParseTupleAndKeywords() or PyArg_ValidateKeywordArguments().
 
    Duplicate keys are merged using the last value. If duplicate keys must raise

Include/unicodeobject.h

@@ -1227,7 +1227,7 @@ PyAPI_FUNC(PyObject*) PyUnicode_Encode(
 /* Encodes a Unicode object and returns the result as Python
    object.
 
-   This API is DEPRECATED.  It is superceeded by PyUnicode_AsEncodedString()
+   This API is DEPRECATED.  It is superseded by PyUnicode_AsEncodedString()
    since all standard encodings (except rot13) encode str to bytes.
    Use PyCodec_Encode() for encoding with rot13 and non-standard codecs
    that encode form str to non-bytes. */

Lib/enum.py

@@ -840,7 +840,7 @@ def _decompose(flag, value):
     not_covered = value
     negative = value < 0
     # issue29167: wrap accesses to _value2member_map_ in a list to avoid race
-    #             conditions between iterating over it and having more psuedo-
+    #             conditions between iterating over it and having more pseudo-
     #             members added to it
     if negative:
         # only check for named flags

Lib/idlelib/configdialog.py

@@ -1216,7 +1216,7 @@ def create_page_extensions(self):
         which are boolean, and can be toggled with a True/False button.
 
         Methods:
-            load_extentions:
+            load_extensions:
             extension_selected: Handle selection from list.
             create_extension_frame: Hold widgets for one extension.
             set_extension_value: Set in userCfg['extensions'].

Lib/test/decimaltestdata/ddDivide.decTest

@@ -579,7 +579,7 @@ dddiv1056 divide  1e-277 -1e+311 -> -0E-398 Underflow Subnormal Inexact Rounded
 dddiv1057 divide -1e-277  1e+311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
 dddiv1058 divide -1e-277 -1e+311 ->  0E-398 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dddiv1060 divide 1e-291 1e+101 -> 1E-392 Subnormal
 dddiv1061 divide 1e-291 1e+102 -> 1E-393 Subnormal
 dddiv1062 divide 1e-291 1e+103 -> 1E-394 Subnormal

Lib/test/decimaltestdata/ddDivideInt.decTest

@@ -248,7 +248,7 @@ dddvi1056 divideint  1e-277 -1e+311 -> -0
 dddvi1057 divideint -1e-277  1e+311 -> -0
 dddvi1058 divideint -1e-277 -1e+311 ->  0
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dddvi1060 divideint 1e-291 1e+101 -> 0
 dddvi1061 divideint 1e-291 1e+102 -> 0
 dddvi1062 divideint 1e-291 1e+103 -> 0

Lib/test/decimaltestdata/ddFMA.decTest

@@ -26,7 +26,7 @@ extended:    1
 clamp:       1
 rounding:    half_even
 
--- These tests comprese three parts:
+-- These tests comprise three parts:
 --   1. Sanity checks and other three-operand tests (especially those
 --      where the fused operation makes a difference)
 --   2. Multiply tests (third operand is neutral zero [0E+emax])
@@ -458,7 +458,7 @@ ddfma2756 fma   1e-277 -1e-311   0e+384  ->  -0E-398 Underflow Subnormal Inexact
 ddfma2757 fma  -1e-277  1e-311   0e+384  ->  -0E-398 Underflow Subnormal Inexact Rounded Clamped
 ddfma2758 fma  -1e-277 -1e-311   0e+384  ->   0E-398 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 ddfma2760 fma  1e-291 1e-101   0e+384  ->  1E-392 Subnormal
 ddfma2761 fma  1e-291 1e-102   0e+384  ->  1E-393 Subnormal
 ddfma2762 fma  1e-291 1e-103   0e+384  ->  1E-394 Subnormal

Lib/test/decimaltestdata/ddMultiply.decTest

@@ -347,7 +347,7 @@ ddmul756 multiply  1e-277 -1e-311 -> -0E-398 Underflow Subnormal Inexact Rounded
 ddmul757 multiply -1e-277  1e-311 -> -0E-398 Underflow Subnormal Inexact Rounded Clamped
 ddmul758 multiply -1e-277 -1e-311 ->  0E-398 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 ddmul760 multiply 1e-291 1e-101 -> 1E-392 Subnormal
 ddmul761 multiply 1e-291 1e-102 -> 1E-393 Subnormal
 ddmul762 multiply 1e-291 1e-103 -> 1E-394 Subnormal

Lib/test/decimaltestdata/divide.decTest

@@ -759,7 +759,7 @@ divx959 divide 9E-999999999 -9.100 -> -9.8901099E-1000000000 Inexact Rounded Und
 
 -- overflow and underflow (additional edge tests in multiply.decTest)
 -- 'subnormal' results now possible (all hard underflow or overflow in
--- base arithemtic)
+-- base arithmetic)
 divx960 divide 1e-600000000 1e+400000001 -> 1E-1000000001 Subnormal
 divx961 divide 1e-600000000 1e+400000002 -> 1E-1000000002 Subnormal
 divx962 divide 1e-600000000 1e+400000003 -> 1E-1000000003 Subnormal

Lib/test/decimaltestdata/dqDivide.decTest

@@ -580,7 +580,7 @@ dqdiv1756 divide  1e-4277 -1e+3311 -> -0E-6176 Underflow Subnormal Inexact Round
 dqdiv1757 divide -1e-4277  1e+3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
 dqdiv1758 divide -1e-4277 -1e+3311 ->  0E-6176 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dqdiv1760 divide 1e-6069 1e+101 -> 1E-6170 Subnormal
 dqdiv1761 divide 1e-6069 1e+102 -> 1E-6171 Subnormal
 dqdiv1762 divide 1e-6069 1e+103 -> 1E-6172 Subnormal

Lib/test/decimaltestdata/dqDivideInt.decTest

@@ -249,7 +249,7 @@ dqdvi1056 divideint  1e-277 -1e+311 -> -0
 dqdvi1057 divideint -1e-277  1e+311 -> -0
 dqdvi1058 divideint -1e-277 -1e+311 ->  0
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dqdvi1060 divideint 1e-291 1e+101 -> 0
 dqdvi1061 divideint 1e-291 1e+102 -> 0
 dqdvi1062 divideint 1e-291 1e+103 -> 0

Lib/test/decimaltestdata/dqFMA.decTest

@@ -26,7 +26,7 @@ maxExponent: 6144
 minExponent: -6143
 rounding:    half_even
 
--- These tests comprese three parts:
+-- These tests comprise three parts:
 --   1. Sanity checks and other three-operand tests (especially those
 --      where the fused operation makes a difference)
 --   2. Multiply tests (third operand is neutral zero [0E+emax])
@@ -476,7 +476,7 @@ dqfma2756 fma   1e-4277 -1e-3311   0e+6144  -> -0E-6176 Underflow Subnormal Inex
 dqfma2757 fma  -1e-4277  1e-3311   0e+6144  -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
 dqfma2758 fma  -1e-4277 -1e-3311   0e+6144  ->  0E-6176 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dqfma2760 fma  1e-6069 1e-101   0e+6144  -> 1E-6170 Subnormal
 dqfma2761 fma  1e-6069 1e-102   0e+6144  -> 1E-6171 Subnormal
 dqfma2762 fma  1e-6069 1e-103   0e+6144  -> 1E-6172 Subnormal

Lib/test/decimaltestdata/dqMultiply.decTest

@@ -355,7 +355,7 @@ dqmul756 multiply  1e-4277 -1e-3311 -> -0E-6176 Underflow Subnormal Inexact Roun
 dqmul757 multiply -1e-4277  1e-3311 -> -0E-6176 Underflow Subnormal Inexact Rounded Clamped
 dqmul758 multiply -1e-4277 -1e-3311 ->  0E-6176 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 dqmul760 multiply 1e-6069 1e-101 -> 1E-6170 Subnormal
 dqmul761 multiply 1e-6069 1e-102 -> 1E-6171 Subnormal
 dqmul762 multiply 1e-6069 1e-103 -> 1E-6172 Subnormal

Lib/test/decimaltestdata/fma.decTest

@@ -25,7 +25,7 @@ rounding:    half_up
 maxExponent: 384
 minexponent: -383
 
--- These tests comprese three parts:
+-- These tests comprise three parts:
 --   1. Sanity checks and other three-operand tests (especially those
 --      where the fused operation makes a difference)
 --   2. Multiply tests (third operand is neutral zero [0E+emax])
@@ -610,7 +610,7 @@ fmax2756 fma  1e-777777 -1e-411111  0E+999999  -> -0E-1000007 Underflow Subnorma
 fmax2757 fma -1e-777777  1e-411111  0E+999999  -> -0E-1000007 Underflow Subnormal Inexact Rounded Clamped
 fmax2758 fma -1e-777777 -1e-411111  0E+999999  ->  0E-1000007 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 precision: 9
 fmax2760 fma 1e-600000 1e-400001  0E+999999  -> 1E-1000001 Subnormal
 fmax2761 fma 1e-600000 1e-400002  0E+999999  -> 1E-1000002 Subnormal

Lib/test/decimaltestdata/multiply.decTest

@@ -533,7 +533,7 @@ mulx756 multiply  1e-777777777 -1e-411111111 -> -0E-1000000007 Underflow Subnorm
 mulx757 multiply -1e-777777777  1e-411111111 -> -0E-1000000007 Underflow Subnormal Inexact Rounded Clamped
 mulx758 multiply -1e-777777777 -1e-411111111 ->  0E-1000000007 Underflow Subnormal Inexact Rounded Clamped
 
--- 'subnormal' boundary (all hard underflow or overflow in base arithemtic)
+-- 'subnormal' boundary (all hard underflow or overflow in base arithmetic)
 precision: 9
 mulx760 multiply 1e-600000000 1e-400000001 -> 1E-1000000001 Subnormal
 mulx761 multiply 1e-600000000 1e-400000002 -> 1E-1000000002 Subnormal

Lib/test/test_binop.py

@@ -22,7 +22,7 @@ def isnum(x):
     return 0
 
 def isRat(x):
-    """Test wheter an object is an instance of the Rat class."""
+    """Test whether an object is an instance of the Rat class."""
     return isinstance(x, Rat)
 
 class Rat(object):

Lib/test/test_functools.py

@@ -1253,7 +1253,7 @@ def f(x, y):
         self.assertEqual(mock_int.__hash__.call_count, 2)
         self.assertEqual(f.cache_info(), (1, 1, 1, 1))
 
-        # Cache eviction: No use as an argument gives no additonal call
+        # Cache eviction: No use as an argument gives no additional call
         self.assertEqual(f(6, 2), 20)
         self.assertEqual(mock_int.__hash__.call_count, 2)
         self.assertEqual(f.cache_info(), (1, 2, 1, 1))

Lib/test/test_importlib/import_/test___package__.py

@@ -11,7 +11,7 @@
 
 class Using__package__:
 
-    """Use of __package__ supercedes the use of __name__/__path__ to calculate
+    """Use of __package__ supersedes the use of __name__/__path__ to calculate
     what package a module belongs to. The basic algorithm is [__package__]::
 
       def resolve_name(name, package, level):

Lib/test/test_os.py

@@ -1598,19 +1598,19 @@ def test_internal_execvpe_str(self):
     def test_execve_invalid_env(self):
         args = [sys.executable, '-c', 'pass']
 
-        # null character in the enviroment variable name
+        # null character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT\0VEGETABLE"] = "cabbage"
         with self.assertRaises(ValueError):
             os.execve(args[0], args, newenv)
 
-        # null character in the enviroment variable value
+        # null character in the environment variable value
         newenv = os.environ.copy()
         newenv["FRUIT"] = "orange\0VEGETABLE=cabbage"
         with self.assertRaises(ValueError):
             os.execve(args[0], args, newenv)
 
-        # equal character in the enviroment variable name
+        # equal character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT=ORANGE"] = "lemon"
         with self.assertRaises(ValueError):
@@ -2430,7 +2430,7 @@ def test_spawnve_noargs(self):
     def _test_invalid_env(self, spawn):
         args = [sys.executable, '-c', 'pass']
 
-        # null character in the enviroment variable name
+        # null character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT\0VEGETABLE"] = "cabbage"
         try:
@@ -2440,7 +2440,7 @@ def _test_invalid_env(self, spawn):
         else:
             self.assertEqual(exitcode, 127)
 
-        # null character in the enviroment variable value
+        # null character in the environment variable value
         newenv = os.environ.copy()
         newenv["FRUIT"] = "orange\0VEGETABLE=cabbage"
         try:
@@ -2450,7 +2450,7 @@ def _test_invalid_env(self, spawn):
         else:
             self.assertEqual(exitcode, 127)
 
-        # equal character in the enviroment variable name
+        # equal character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT=ORANGE"] = "lemon"
         try:
@@ -2460,7 +2460,7 @@ def _test_invalid_env(self, spawn):
         else:
             self.assertEqual(exitcode, 127)
 
-        # equal character in the enviroment variable value
+        # equal character in the environment variable value
         filename = support.TESTFN
         self.addCleanup(support.unlink, filename)
         with open(filename, "w") as fp:

Lib/test/test_subprocess.py

@@ -668,25 +668,25 @@ def test_invalid_cmd(self):
             subprocess.Popen([sys.executable, "-c", "pass#\0"])
 
     def test_invalid_env(self):
-        # null character in the enviroment variable name
+        # null character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT\0VEGETABLE"] = "cabbage"
         with self.assertRaises(ValueError):
             subprocess.Popen([sys.executable, "-c", "pass"], env=newenv)
 
-        # null character in the enviroment variable value
+        # null character in the environment variable value
         newenv = os.environ.copy()
         newenv["FRUIT"] = "orange\0VEGETABLE=cabbage"
         with self.assertRaises(ValueError):
             subprocess.Popen([sys.executable, "-c", "pass"], env=newenv)
 
-        # equal character in the enviroment variable name
+        # equal character in the environment variable name
         newenv = os.environ.copy()
         newenv["FRUIT=ORANGE"] = "lemon"
         with self.assertRaises(ValueError):
             subprocess.Popen([sys.executable, "-c", "pass"], env=newenv)
 
-        # equal character in the enviroment variable value
+        # equal character in the environment variable value
         newenv = os.environ.copy()
         newenv["FRUIT"] = "orange=lemon"
         with subprocess.Popen([sys.executable, "-c",

Lib/test/test_warnings/__init__.py

@@ -950,7 +950,7 @@ def test_catch_warnings_defaults(self):
             self.assertIs(wmod.filters, orig_filters)
 
     def test_record_override_showwarning_before(self):
-        # Issue #28835: If warnings.showwarning() was overriden, make sure
+        # Issue #28835: If warnings.showwarning() was overridden, make sure
         # that catch_warnings(record=True) overrides it again.
         text = "This is a warning"
         wmod = self.module

Lib/unittest/test/testmock/testmagicmethods.py

@@ -255,7 +255,7 @@ def test_magicmock(self):
 
         for entry in _magics:
             self.assertTrue(hasattr(mock, entry))
-        self.assertFalse(hasattr(mock, '__imaginery__'))
+        self.assertFalse(hasattr(mock, '__imaginary__'))
 
 
     def test_magic_mock_equality(self):