Update the code to better reflect recommended style:

Use != instead of <> since <> is documented as "obsolescent".
Use "is" and "is not" when comparing with None or type objects.

1 files changed, 98 insertions, 98 deletions

diff --git a/Lib/test/test_b2.py b/Lib/test/test_b2.py
index c212f2e..5546d8a 100644
--- a/Lib/test/test_b2.py
+++ b/Lib/test/test_b2.py
@@ -25,52 +25,52 @@ finally:
 #
 fp = open(TESTFN, 'r')
 try:
-    if fp.readline(4) <> '1+1\n': raise TestFailed, 'readline(4) # exact'
-    if fp.readline(4) <> '1+1\n': raise TestFailed, 'readline(4) # exact'
-    if fp.readline() <> 'The quick brown fox jumps over the lazy dog.\n':
+    if fp.readline(4) != '1+1\n': raise TestFailed, 'readline(4) # exact'
+    if fp.readline(4) != '1+1\n': raise TestFailed, 'readline(4) # exact'
+    if fp.readline() != 'The quick brown fox jumps over the lazy dog.\n':
         raise TestFailed, 'readline() # default'
-    if fp.readline(4) <> 'Dear': raise TestFailed, 'readline(4) # short'
-    if fp.readline(100) <> ' John\n': raise TestFailed, 'readline(100)'
-    if fp.read(300) <> 'XXX'*100: raise TestFailed, 'read(300)'
-    if fp.read(1000) <> 'YYY'*100: raise TestFailed, 'read(1000) # truncate'
+    if fp.readline(4) != 'Dear': raise TestFailed, 'readline(4) # short'
+    if fp.readline(100) != ' John\n': raise TestFailed, 'readline(100)'
+    if fp.read(300) != 'XXX'*100: raise TestFailed, 'read(300)'
+    if fp.read(1000) != 'YYY'*100: raise TestFailed, 'read(1000) # truncate'
 finally:
     fp.close()
 
 print 'ord'
-if ord(' ') <> 32: raise TestFailed, 'ord(\' \')'
-if ord('A') <> 65: raise TestFailed, 'ord(\'A\')'
-if ord('a') <> 97: raise TestFailed, 'ord(\'a\')'
+if ord(' ') != 32: raise TestFailed, 'ord(\' \')'
+if ord('A') != 65: raise TestFailed, 'ord(\'A\')'
+if ord('a') != 97: raise TestFailed, 'ord(\'a\')'
 
 print 'pow'
-if pow(0,0) <> 1: raise TestFailed, 'pow(0,0)'
-if pow(0,1) <> 0: raise TestFailed, 'pow(0,1)'
-if pow(1,0) <> 1: raise TestFailed, 'pow(1,0)'
-if pow(1,1) <> 1: raise TestFailed, 'pow(1,1)'
+if pow(0,0) != 1: raise TestFailed, 'pow(0,0)'
+if pow(0,1) != 0: raise TestFailed, 'pow(0,1)'
+if pow(1,0) != 1: raise TestFailed, 'pow(1,0)'
+if pow(1,1) != 1: raise TestFailed, 'pow(1,1)'
 #
-if pow(2,0) <> 1: raise TestFailed, 'pow(2,0)'
-if pow(2,10) <> 1024: raise TestFailed, 'pow(2,10)'
-if pow(2,20) <> 1024*1024: raise TestFailed, 'pow(2,20)'
-if pow(2,30) <> 1024*1024*1024: raise TestFailed, 'pow(2,30)'
+if pow(2,0) != 1: raise TestFailed, 'pow(2,0)'
+if pow(2,10) != 1024: raise TestFailed, 'pow(2,10)'
+if pow(2,20) != 1024*1024: raise TestFailed, 'pow(2,20)'
+if pow(2,30) != 1024*1024*1024: raise TestFailed, 'pow(2,30)'
 #
-if pow(-2,0) <> 1: raise TestFailed, 'pow(-2,0)'
-if pow(-2,1) <> -2: raise TestFailed, 'pow(-2,1)'
-if pow(-2,2) <> 4: raise TestFailed, 'pow(-2,2)'
-if pow(-2,3) <> -8: raise TestFailed, 'pow(-2,3)'
+if pow(-2,0) != 1: raise TestFailed, 'pow(-2,0)'
+if pow(-2,1) != -2: raise TestFailed, 'pow(-2,1)'
+if pow(-2,2) != 4: raise TestFailed, 'pow(-2,2)'
+if pow(-2,3) != -8: raise TestFailed, 'pow(-2,3)'
 #
-if pow(0L,0) <> 1: raise TestFailed, 'pow(0L,0)'
-if pow(0L,1) <> 0: raise TestFailed, 'pow(0L,1)'
-if pow(1L,0) <> 1: raise TestFailed, 'pow(1L,0)'
-if pow(1L,1) <> 1: raise TestFailed, 'pow(1L,1)'
+if pow(0L,0) != 1: raise TestFailed, 'pow(0L,0)'
+if pow(0L,1) != 0: raise TestFailed, 'pow(0L,1)'
+if pow(1L,0) != 1: raise TestFailed, 'pow(1L,0)'
+if pow(1L,1) != 1: raise TestFailed, 'pow(1L,1)'
 #
-if pow(2L,0) <> 1: raise TestFailed, 'pow(2L,0)'
-if pow(2L,10) <> 1024: raise TestFailed, 'pow(2L,10)'
-if pow(2L,20) <> 1024*1024: raise TestFailed, 'pow(2L,20)'
-if pow(2L,30) <> 1024*1024*1024: raise TestFailed, 'pow(2L,30)'
+if pow(2L,0) != 1: raise TestFailed, 'pow(2L,0)'
+if pow(2L,10) != 1024: raise TestFailed, 'pow(2L,10)'
+if pow(2L,20) != 1024*1024: raise TestFailed, 'pow(2L,20)'
+if pow(2L,30) != 1024*1024*1024: raise TestFailed, 'pow(2L,30)'
 #
-if pow(-2L,0) <> 1: raise TestFailed, 'pow(-2L,0)'
-if pow(-2L,1) <> -2: raise TestFailed, 'pow(-2L,1)'
-if pow(-2L,2) <> 4: raise TestFailed, 'pow(-2L,2)'
-if pow(-2L,3) <> -8: raise TestFailed, 'pow(-2L,3)'
+if pow(-2L,0) != 1: raise TestFailed, 'pow(-2L,0)'
+if pow(-2L,1) != -2: raise TestFailed, 'pow(-2L,1)'
+if pow(-2L,2) != 4: raise TestFailed, 'pow(-2L,2)'
+if pow(-2L,3) != -8: raise TestFailed, 'pow(-2L,3)'
 #
 if fcmp(pow(0.,0), 1.): raise TestFailed, 'pow(0.,0)'
 if fcmp(pow(0.,1), 0.): raise TestFailed, 'pow(0.,1)'
@@ -95,12 +95,12 @@ for x in 2, 2L, 2.0:
                 raise TestFailed, 'pow(%s, %s, %s)' % (x, y, z)
 
 print 'range'
-if range(3) <> [0, 1, 2]: raise TestFailed, 'range(3)'
-if range(1, 5) <> [1, 2, 3, 4]: raise TestFailed, 'range(1, 5)'
-if range(0) <> []: raise TestFailed, 'range(0)'
-if range(-3) <> []: raise TestFailed, 'range(-3)'
-if range(1, 10, 3) <> [1, 4, 7]: raise TestFailed, 'range(1, 10, 3)'
-if range(5, -5, -3) <> [5, 2, -1, -4]: raise TestFailed, 'range(5, -5, -3)'
+if range(3) != [0, 1, 2]: raise TestFailed, 'range(3)'
+if range(1, 5) != [1, 2, 3, 4]: raise TestFailed, 'range(1, 5)'
+if range(0) != []: raise TestFailed, 'range(0)'
+if range(-3) != []: raise TestFailed, 'range(-3)'
+if range(1, 10, 3) != [1, 4, 7]: raise TestFailed, 'range(1, 10, 3)'
+if range(5, -5, -3) != [5, 2, -1, -4]: raise TestFailed, 'range(5, -5, -3)'
 
 print 'input and raw_input'
 import sys
@@ -108,25 +108,25 @@ fp = open(TESTFN, 'r')
 savestdin = sys.stdin
 try:
     sys.stdin = fp
-    if input() <> 2: raise TestFailed, 'input()'
-    if input('testing\n') <> 2: raise TestFailed, 'input()'
-    if raw_input() <> 'The quick brown fox jumps over the lazy dog.':
+    if input() != 2: raise TestFailed, 'input()'
+    if input('testing\n') != 2: raise TestFailed, 'input()'
+    if raw_input() != 'The quick brown fox jumps over the lazy dog.':
         raise TestFailed, 'raw_input()'
-    if raw_input('testing\n') <> 'Dear John':
+    if raw_input('testing\n') != 'Dear John':
         raise TestFailed, 'raw_input(\'testing\\n\')'
 finally:
     sys.stdin = savestdin
     fp.close()
 
 print 'reduce'
-if reduce(lambda x, y: x+y, ['a', 'b', 'c'], '') <> 'abc':
+if reduce(lambda x, y: x+y, ['a', 'b', 'c'], '') != 'abc':
     raise TestFailed, 'reduce(): implode a string'
 if reduce(lambda x, y: x+y,
-          [['a', 'c'], [], ['d', 'w']], []) <> ['a','c','d','w']:
+          [['a', 'c'], [], ['d', 'w']], []) != ['a','c','d','w']:
     raise TestFailed, 'reduce(): append'
-if reduce(lambda x, y: x*y, range(2,8), 1) <> 5040:
+if reduce(lambda x, y: x*y, range(2,8), 1) != 5040:
     raise TestFailed, 'reduce(): compute 7!'
-if reduce(lambda x, y: x*y, range(2,21), 1L) <> 2432902008176640000L:
+if reduce(lambda x, y: x*y, range(2,21), 1L) != 2432902008176640000L:
     raise TestFailed, 'reduce(): compute 20!, use long'
 class Squares:
     def __init__(self, max):
@@ -159,46 +159,46 @@ reload(string)
 ## else: raise TestFailed, 'reload(sys) should fail'
 
 print 'repr'
-if repr('') <> '\'\'': raise TestFailed, 'repr(\'\')'
-if repr(0) <> '0': raise TestFailed, 'repr(0)'
-if repr(0L) <> '0L': raise TestFailed, 'repr(0L)'
-if repr(()) <> '()': raise TestFailed, 'repr(())'
-if repr([]) <> '[]': raise TestFailed, 'repr([])'
-if repr({}) <> '{}': raise TestFailed, 'repr({})'
+if repr('') != '\'\'': raise TestFailed, 'repr(\'\')'
+if repr(0) != '0': raise TestFailed, 'repr(0)'
+if repr(0L) != '0L': raise TestFailed, 'repr(0L)'
+if repr(()) != '()': raise TestFailed, 'repr(())'
+if repr([]) != '[]': raise TestFailed, 'repr([])'
+if repr({}) != '{}': raise TestFailed, 'repr({})'
 
 print 'round'
-if round(0.0) <> 0.0: raise TestFailed, 'round(0.0)'
-if round(1.0) <> 1.0: raise TestFailed, 'round(1.0)'
-if round(10.0) <> 10.0: raise TestFailed, 'round(10.0)'
-if round(1000000000.0) <> 1000000000.0:
+if round(0.0) != 0.0: raise TestFailed, 'round(0.0)'
+if round(1.0) != 1.0: raise TestFailed, 'round(1.0)'
+if round(10.0) != 10.0: raise TestFailed, 'round(10.0)'
+if round(1000000000.0) != 1000000000.0:
     raise TestFailed, 'round(1000000000.0)'
-if round(1e20) <> 1e20: raise TestFailed, 'round(1e20)'
+if round(1e20) != 1e20: raise TestFailed, 'round(1e20)'
 
-if round(-1.0) <> -1.0: raise TestFailed, 'round(-1.0)'
-if round(-10.0) <> -10.0: raise TestFailed, 'round(-10.0)'
-if round(-1000000000.0) <> -1000000000.0:
+if round(-1.0) != -1.0: raise TestFailed, 'round(-1.0)'
+if round(-10.0) != -10.0: raise TestFailed, 'round(-10.0)'
+if round(-1000000000.0) != -1000000000.0:
     raise TestFailed, 'round(-1000000000.0)'
-if round(-1e20) <> -1e20: raise TestFailed, 'round(-1e20)'
+if round(-1e20) != -1e20: raise TestFailed, 'round(-1e20)'
 
-if round(0.1) <> 0.0: raise TestFailed, 'round(0.0)'
-if round(1.1) <> 1.0: raise TestFailed, 'round(1.0)'
-if round(10.1) <> 10.0: raise TestFailed, 'round(10.0)'
-if round(1000000000.1) <> 1000000000.0:
+if round(0.1) != 0.0: raise TestFailed, 'round(0.0)'
+if round(1.1) != 1.0: raise TestFailed, 'round(1.0)'
+if round(10.1) != 10.0: raise TestFailed, 'round(10.0)'
+if round(1000000000.1) != 1000000000.0:
     raise TestFailed, 'round(1000000000.0)'
 
-if round(-1.1) <> -1.0: raise TestFailed, 'round(-1.0)'
-if round(-10.1) <> -10.0: raise TestFailed, 'round(-10.0)'
-if round(-1000000000.1) <> -1000000000.0:
+if round(-1.1) != -1.0: raise TestFailed, 'round(-1.0)'
+if round(-10.1) != -10.0: raise TestFailed, 'round(-10.0)'
+if round(-1000000000.1) != -1000000000.0:
     raise TestFailed, 'round(-1000000000.0)'
 
-if round(0.9) <> 1.0: raise TestFailed, 'round(0.9)'
-if round(9.9) <> 10.0: raise TestFailed, 'round(9.9)'
-if round(999999999.9) <> 1000000000.0:
+if round(0.9) != 1.0: raise TestFailed, 'round(0.9)'
+if round(9.9) != 10.0: raise TestFailed, 'round(9.9)'
+if round(999999999.9) != 1000000000.0:
     raise TestFailed, 'round(999999999.9)'
 
-if round(-0.9) <> -1.0: raise TestFailed, 'round(-0.9)'
-if round(-9.9) <> -10.0: raise TestFailed, 'round(-9.9)'
-if round(-999999999.9) <> -1000000000.0:
+if round(-0.9) != -1.0: raise TestFailed, 'round(-0.9)'
+if round(-9.9) != -10.0: raise TestFailed, 'round(-9.9)'
+if round(-999999999.9) != -1000000000.0:
     raise TestFailed, 'round(-999999999.9)'
 
 print 'setattr'
@@ -207,23 +207,23 @@ setattr(sys, 'spam', 1)
 if sys.spam != 1: raise TestFailed, 'setattr(sys, \'spam\', 1)'
 
 print 'str'
-if str('') <> '': raise TestFailed, 'str(\'\')'
-if str(0) <> '0': raise TestFailed, 'str(0)'
-if str(0L) <> '0': raise TestFailed, 'str(0L)'
-if str(()) <> '()': raise TestFailed, 'str(())'
-if str([]) <> '[]': raise TestFailed, 'str([])'
-if str({}) <> '{}': raise TestFailed, 'str({})'
+if str('') != '': raise TestFailed, 'str(\'\')'
+if str(0) != '0': raise TestFailed, 'str(0)'
+if str(0L) != '0': raise TestFailed, 'str(0L)'
+if str(()) != '()': raise TestFailed, 'str(())'
+if str([]) != '[]': raise TestFailed, 'str([])'
+if str({}) != '{}': raise TestFailed, 'str({})'
 
 print 'tuple'
-if tuple(()) <> (): raise TestFailed, 'tuple(())'
-if tuple((0, 1, 2, 3)) <> (0, 1, 2, 3): raise TestFailed, 'tuple((0, 1, 2, 3))'
-if tuple([]) <> (): raise TestFailed, 'tuple([])'
-if tuple([0, 1, 2, 3]) <> (0, 1, 2, 3): raise TestFailed, 'tuple([0, 1, 2, 3])'
-if tuple('') <> (): raise TestFailed, 'tuple('')'
-if tuple('spam') <> ('s', 'p', 'a', 'm'): raise TestFailed, "tuple('spam')"
+if tuple(()) != (): raise TestFailed, 'tuple(())'
+if tuple((0, 1, 2, 3)) != (0, 1, 2, 3): raise TestFailed, 'tuple((0, 1, 2, 3))'
+if tuple([]) != (): raise TestFailed, 'tuple([])'
+if tuple([0, 1, 2, 3]) != (0, 1, 2, 3): raise TestFailed, 'tuple([0, 1, 2, 3])'
+if tuple('') != (): raise TestFailed, 'tuple('')'
+if tuple('spam') != ('s', 'p', 'a', 'm'): raise TestFailed, "tuple('spam')"
 
 print 'type'
-if type('') <> type('123') or type('') == type(()):
+if type('') != type('123') or type('') == type(()):
     raise TestFailed, 'type()'
 
 print 'vars'
@@ -232,13 +232,13 @@ a = vars().keys()
 b = dir()
 a.sort()
 b.sort()
-if a <> b: raise TestFailed, 'vars()'
+if a != b: raise TestFailed, 'vars()'
 import sys
 a = vars(sys).keys()
 b = dir(sys)
 a.sort()
 b.sort()
-if a <> b: raise TestFailed, 'vars(sys)'
+if a != b: raise TestFailed, 'vars(sys)'
 def f0():
     if vars() != {}: raise TestFailed, 'vars() in f0()'
 f0()
@@ -250,9 +250,9 @@ def f2():
 f2()
 
 print 'xrange'
-if tuple(xrange(10)) <> tuple(range(10)): raise TestFailed, 'xrange(10)'
-if tuple(xrange(5,10)) <> tuple(range(5,10)): raise TestFailed, 'xrange(5,10)'
-if tuple(xrange(0,10,2)) <> tuple(range(0,10,2)):
+if tuple(xrange(10)) != tuple(range(10)): raise TestFailed, 'xrange(10)'
+if tuple(xrange(5,10)) != tuple(range(5,10)): raise TestFailed, 'xrange(5,10)'
+if tuple(xrange(0,10,2)) != tuple(range(0,10,2)):
     raise TestFailed, 'xrange(0,10,2)'
 # regression tests for SourceForge bug #121695
 def _range_test(r):
@@ -273,16 +273,16 @@ print 'zip'
 a = (1, 2, 3)
 b = (4, 5, 6)
 t = [(1, 4), (2, 5), (3, 6)]
-if zip(a, b) <> t: raise TestFailed, 'zip(a, b) - same size, both tuples'
+if zip(a, b) != t: raise TestFailed, 'zip(a, b) - same size, both tuples'
 b = [4, 5, 6]
-if zip(a, b) <> t: raise TestFailed, 'zip(a, b) - same size, tuple/list'
+if zip(a, b) != t: raise TestFailed, 'zip(a, b) - same size, tuple/list'
 b = (4, 5, 6, 7)
-if zip(a, b) <> t: raise TestFailed, 'zip(a, b) - b is longer'
+if zip(a, b) != t: raise TestFailed, 'zip(a, b) - b is longer'
 class I:
     def __getitem__(self, i):
         if i < 0 or i > 2: raise IndexError
         return i + 4
-if zip(a, I()) <> t: raise TestFailed, 'zip(a, b) - b is instance'
+if zip(a, I()) != t: raise TestFailed, 'zip(a, b) - b is instance'
 exc = 0
 try:
     zip()