AppPkg/Applications/Python: Add Python 2.7.2 sources since the release of Python 2.7.3 made them unavailable from the python.org web site.
These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
darylm503
@ -0,0 +1,596 @@
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doctests = """
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Tests for the tokenize module.
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>>> import glob, random, sys
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The tests can be really simple. Given a small fragment of source
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code, print out a table with tokens. The ENDMARK is omitted for
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brevity.
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>>> dump_tokens("1 + 1")
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NUMBER '1' (1, 0) (1, 1)
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OP '+' (1, 2) (1, 3)
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NUMBER '1' (1, 4) (1, 5)
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>>> dump_tokens("if False:\\n"
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... " # NL\\n"
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... " True = False # NEWLINE\\n")
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NAME 'if' (1, 0) (1, 2)
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NAME 'False' (1, 3) (1, 8)
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OP ':' (1, 8) (1, 9)
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NEWLINE '\\n' (1, 9) (1, 10)
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COMMENT '# NL' (2, 4) (2, 8)
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NL '\\n' (2, 8) (2, 9)
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INDENT ' ' (3, 0) (3, 4)
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NAME 'True' (3, 4) (3, 8)
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OP '=' (3, 9) (3, 10)
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NAME 'False' (3, 11) (3, 16)
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COMMENT '# NEWLINE' (3, 17) (3, 26)
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NEWLINE '\\n' (3, 26) (3, 27)
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DEDENT '' (4, 0) (4, 0)
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>>> indent_error_file = \"""
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... def k(x):
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... x += 2
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... x += 5
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... \"""
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>>> for tok in generate_tokens(StringIO(indent_error_file).readline): pass
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Traceback (most recent call last):
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...
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IndentationError: unindent does not match any outer indentation level
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Test roundtrip for `untokenize`. `f` is an open file or a string. The source
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code in f is tokenized, converted back to source code via tokenize.untokenize(),
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and tokenized again from the latter. The test fails if the second tokenization
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doesn't match the first.
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>>> def roundtrip(f):
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... if isinstance(f, str): f = StringIO(f)
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... token_list = list(generate_tokens(f.readline))
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... f.close()
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... tokens1 = [tok[:2] for tok in token_list]
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... new_text = untokenize(tokens1)
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... readline = iter(new_text.splitlines(1)).next
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... tokens2 = [tok[:2] for tok in generate_tokens(readline)]
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... return tokens1 == tokens2
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...
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There are some standard formatting practices that are easy to get right.
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>>> roundtrip("if x == 1:\\n"
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... " print x\\n")
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True
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>>> roundtrip("# This is a comment\\n# This also")
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True
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Some people use different formatting conventions, which makes
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untokenize a little trickier. Note that this test involves trailing
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whitespace after the colon. Note that we use hex escapes to make the
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two trailing blanks apperant in the expected output.
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>>> roundtrip("if x == 1 : \\n"
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... " print x\\n")
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True
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>>> f = test_support.findfile("tokenize_tests" + os.extsep + "txt")
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>>> roundtrip(open(f))
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True
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>>> roundtrip("if x == 1:\\n"
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... " # A comment by itself.\\n"
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... " print x # Comment here, too.\\n"
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... " # Another comment.\\n"
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... "after_if = True\\n")
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True
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>>> roundtrip("if (x # The comments need to go in the right place\\n"
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... " == 1):\\n"
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... " print 'x==1'\\n")
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True
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>>> roundtrip("class Test: # A comment here\\n"
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... " # A comment with weird indent\\n"
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... " after_com = 5\\n"
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... " def x(m): return m*5 # a one liner\\n"
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... " def y(m): # A whitespace after the colon\\n"
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... " return y*4 # 3-space indent\\n")
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True
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Some error-handling code
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>>> roundtrip("try: import somemodule\\n"
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... "except ImportError: # comment\\n"
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... " print 'Can not import' # comment2\\n"
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... "else: print 'Loaded'\\n")
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True
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Balancing continuation
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>>> roundtrip("a = (3,4, \\n"
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... "5,6)\\n"
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... "y = [3, 4,\\n"
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... "5]\\n"
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... "z = {'a': 5,\\n"
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... "'b':15, 'c':True}\\n"
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... "x = len(y) + 5 - a[\\n"
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... "3] - a[2]\\n"
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... "+ len(z) - z[\\n"
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... "'b']\\n")
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True
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Ordinary integers and binary operators
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>>> dump_tokens("0xff <= 255")
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NUMBER '0xff' (1, 0) (1, 4)
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OP '<=' (1, 5) (1, 7)
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NUMBER '255' (1, 8) (1, 11)
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>>> dump_tokens("0b10 <= 255")
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NUMBER '0b10' (1, 0) (1, 4)
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OP '<=' (1, 5) (1, 7)
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NUMBER '255' (1, 8) (1, 11)
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>>> dump_tokens("0o123 <= 0123")
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NUMBER '0o123' (1, 0) (1, 5)
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OP '<=' (1, 6) (1, 8)
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NUMBER '0123' (1, 9) (1, 13)
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>>> dump_tokens("01234567 > ~0x15")
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NUMBER '01234567' (1, 0) (1, 8)
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OP '>' (1, 9) (1, 10)
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OP '~' (1, 11) (1, 12)
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NUMBER '0x15' (1, 12) (1, 16)
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>>> dump_tokens("2134568 != 01231515")
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NUMBER '2134568' (1, 0) (1, 7)
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OP '!=' (1, 8) (1, 10)
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NUMBER '01231515' (1, 11) (1, 19)
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>>> dump_tokens("(-124561-1) & 0200000000")
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OP '(' (1, 0) (1, 1)
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OP '-' (1, 1) (1, 2)
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NUMBER '124561' (1, 2) (1, 8)
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OP '-' (1, 8) (1, 9)
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NUMBER '1' (1, 9) (1, 10)
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OP ')' (1, 10) (1, 11)
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OP '&' (1, 12) (1, 13)
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NUMBER '0200000000' (1, 14) (1, 24)
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>>> dump_tokens("0xdeadbeef != -1")
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NUMBER '0xdeadbeef' (1, 0) (1, 10)
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OP '!=' (1, 11) (1, 13)
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OP '-' (1, 14) (1, 15)
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NUMBER '1' (1, 15) (1, 16)
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>>> dump_tokens("0xdeadc0de & 012345")
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NUMBER '0xdeadc0de' (1, 0) (1, 10)
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OP '&' (1, 11) (1, 12)
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NUMBER '012345' (1, 13) (1, 19)
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>>> dump_tokens("0xFF & 0x15 | 1234")
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NUMBER '0xFF' (1, 0) (1, 4)
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OP '&' (1, 5) (1, 6)
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NUMBER '0x15' (1, 7) (1, 11)
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OP '|' (1, 12) (1, 13)
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NUMBER '1234' (1, 14) (1, 18)
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Long integers
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>>> dump_tokens("x = 0L")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '0L' (1, 4) (1, 6)
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>>> dump_tokens("x = 0xfffffffffff")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '0xffffffffff (1, 4) (1, 17)
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>>> dump_tokens("x = 123141242151251616110l")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '123141242151 (1, 4) (1, 26)
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>>> dump_tokens("x = -15921590215012591L")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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OP '-' (1, 4) (1, 5)
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NUMBER '159215902150 (1, 5) (1, 23)
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Floating point numbers
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>>> dump_tokens("x = 3.14159")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '3.14159' (1, 4) (1, 11)
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>>> dump_tokens("x = 314159.")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '314159.' (1, 4) (1, 11)
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>>> dump_tokens("x = .314159")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '.314159' (1, 4) (1, 11)
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>>> dump_tokens("x = 3e14159")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '3e14159' (1, 4) (1, 11)
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>>> dump_tokens("x = 3E123")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '3E123' (1, 4) (1, 9)
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>>> dump_tokens("x+y = 3e-1230")
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NAME 'x' (1, 0) (1, 1)
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OP '+' (1, 1) (1, 2)
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NAME 'y' (1, 2) (1, 3)
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OP '=' (1, 4) (1, 5)
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NUMBER '3e-1230' (1, 6) (1, 13)
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>>> dump_tokens("x = 3.14e159")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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NUMBER '3.14e159' (1, 4) (1, 12)
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String literals
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>>> dump_tokens("x = ''; y = \\\"\\\"")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING "''" (1, 4) (1, 6)
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OP ';' (1, 6) (1, 7)
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NAME 'y' (1, 8) (1, 9)
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OP '=' (1, 10) (1, 11)
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STRING '""' (1, 12) (1, 14)
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>>> dump_tokens("x = '\\\"'; y = \\\"'\\\"")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING '\\'"\\'' (1, 4) (1, 7)
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OP ';' (1, 7) (1, 8)
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NAME 'y' (1, 9) (1, 10)
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OP '=' (1, 11) (1, 12)
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STRING '"\\'"' (1, 13) (1, 16)
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>>> dump_tokens("x = \\\"doesn't \\\"shrink\\\", does it\\\"")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING '"doesn\\'t "' (1, 4) (1, 14)
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NAME 'shrink' (1, 14) (1, 20)
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STRING '", does it"' (1, 20) (1, 31)
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>>> dump_tokens("x = u'abc' + U'ABC'")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING "u'abc'" (1, 4) (1, 10)
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OP '+' (1, 11) (1, 12)
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STRING "U'ABC'" (1, 13) (1, 19)
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>>> dump_tokens('y = u"ABC" + U"ABC"')
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NAME 'y' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING 'u"ABC"' (1, 4) (1, 10)
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OP '+' (1, 11) (1, 12)
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STRING 'U"ABC"' (1, 13) (1, 19)
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>>> dump_tokens("x = ur'abc' + Ur'ABC' + uR'ABC' + UR'ABC'")
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NAME 'x' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING "ur'abc'" (1, 4) (1, 11)
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OP '+' (1, 12) (1, 13)
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STRING "Ur'ABC'" (1, 14) (1, 21)
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OP '+' (1, 22) (1, 23)
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STRING "uR'ABC'" (1, 24) (1, 31)
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OP '+' (1, 32) (1, 33)
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STRING "UR'ABC'" (1, 34) (1, 41)
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>>> dump_tokens('y = ur"abc" + Ur"ABC" + uR"ABC" + UR"ABC"')
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NAME 'y' (1, 0) (1, 1)
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OP '=' (1, 2) (1, 3)
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STRING 'ur"abc"' (1, 4) (1, 11)
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OP '+' (1, 12) (1, 13)
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STRING 'Ur"ABC"' (1, 14) (1, 21)
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OP '+' (1, 22) (1, 23)
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STRING 'uR"ABC"' (1, 24) (1, 31)
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OP '+' (1, 32) (1, 33)
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STRING 'UR"ABC"' (1, 34) (1, 41)
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Operators
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>>> dump_tokens("def d22(a, b, c=2, d=2, *k): pass")
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NAME 'def' (1, 0) (1, 3)
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NAME 'd22' (1, 4) (1, 7)
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OP '(' (1, 7) (1, 8)
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NAME 'a' (1, 8) (1, 9)
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OP ',' (1, 9) (1, 10)
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NAME 'b' (1, 11) (1, 12)
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OP ',' (1, 12) (1, 13)
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NAME 'c' (1, 14) (1, 15)
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OP '=' (1, 15) (1, 16)
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NUMBER '2' (1, 16) (1, 17)
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OP ',' (1, 17) (1, 18)
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NAME 'd' (1, 19) (1, 20)
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OP '=' (1, 20) (1, 21)
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NUMBER '2' (1, 21) (1, 22)
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OP ',' (1, 22) (1, 23)
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OP '*' (1, 24) (1, 25)
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NAME 'k' (1, 25) (1, 26)
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OP ')' (1, 26) (1, 27)
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OP ':' (1, 27) (1, 28)
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NAME 'pass' (1, 29) (1, 33)
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>>> dump_tokens("def d01v_(a=1, *k, **w): pass")
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NAME 'def' (1, 0) (1, 3)
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NAME 'd01v_' (1, 4) (1, 9)
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OP '(' (1, 9) (1, 10)
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NAME 'a' (1, 10) (1, 11)
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OP '=' (1, 11) (1, 12)
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||||
NUMBER '1' (1, 12) (1, 13)
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||||
OP ',' (1, 13) (1, 14)
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||||
OP '*' (1, 15) (1, 16)
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||||
NAME 'k' (1, 16) (1, 17)
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||||
OP ',' (1, 17) (1, 18)
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||||
OP '**' (1, 19) (1, 21)
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||||
NAME 'w' (1, 21) (1, 22)
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||||
OP ')' (1, 22) (1, 23)
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||||
OP ':' (1, 23) (1, 24)
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||||
NAME 'pass' (1, 25) (1, 29)
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Comparison
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>>> dump_tokens("if 1 < 1 > 1 == 1 >= 5 <= 0x15 <= 0x12 != " +
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... "1 and 5 in 1 not in 1 is 1 or 5 is not 1: pass")
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NAME 'if' (1, 0) (1, 2)
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||||
NUMBER '1' (1, 3) (1, 4)
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||||
OP '<' (1, 5) (1, 6)
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||||
NUMBER '1' (1, 7) (1, 8)
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||||
OP '>' (1, 9) (1, 10)
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||||
NUMBER '1' (1, 11) (1, 12)
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||||
OP '==' (1, 13) (1, 15)
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||||
NUMBER '1' (1, 16) (1, 17)
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||||
OP '>=' (1, 18) (1, 20)
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||||
NUMBER '5' (1, 21) (1, 22)
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||||
OP '<=' (1, 23) (1, 25)
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||||
NUMBER '0x15' (1, 26) (1, 30)
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||||
OP '<=' (1, 31) (1, 33)
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||||
NUMBER '0x12' (1, 34) (1, 38)
|
||||
OP '!=' (1, 39) (1, 41)
|
||||
NUMBER '1' (1, 42) (1, 43)
|
||||
NAME 'and' (1, 44) (1, 47)
|
||||
NUMBER '5' (1, 48) (1, 49)
|
||||
NAME 'in' (1, 50) (1, 52)
|
||||
NUMBER '1' (1, 53) (1, 54)
|
||||
NAME 'not' (1, 55) (1, 58)
|
||||
NAME 'in' (1, 59) (1, 61)
|
||||
NUMBER '1' (1, 62) (1, 63)
|
||||
NAME 'is' (1, 64) (1, 66)
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||||
NUMBER '1' (1, 67) (1, 68)
|
||||
NAME 'or' (1, 69) (1, 71)
|
||||
NUMBER '5' (1, 72) (1, 73)
|
||||
NAME 'is' (1, 74) (1, 76)
|
||||
NAME 'not' (1, 77) (1, 80)
|
||||
NUMBER '1' (1, 81) (1, 82)
|
||||
OP ':' (1, 82) (1, 83)
|
||||
NAME 'pass' (1, 84) (1, 88)
|
||||
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||||
Shift
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||||
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||||
>>> dump_tokens("x = 1 << 1 >> 5")
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||||
NAME 'x' (1, 0) (1, 1)
|
||||
OP '=' (1, 2) (1, 3)
|
||||
NUMBER '1' (1, 4) (1, 5)
|
||||
OP '<<' (1, 6) (1, 8)
|
||||
NUMBER '1' (1, 9) (1, 10)
|
||||
OP '>>' (1, 11) (1, 13)
|
||||
NUMBER '5' (1, 14) (1, 15)
|
||||
|
||||
Additive
|
||||
|
||||
>>> dump_tokens("x = 1 - y + 15 - 01 + 0x124 + z + a[5]")
|
||||
NAME 'x' (1, 0) (1, 1)
|
||||
OP '=' (1, 2) (1, 3)
|
||||
NUMBER '1' (1, 4) (1, 5)
|
||||
OP '-' (1, 6) (1, 7)
|
||||
NAME 'y' (1, 8) (1, 9)
|
||||
OP '+' (1, 10) (1, 11)
|
||||
NUMBER '15' (1, 12) (1, 14)
|
||||
OP '-' (1, 15) (1, 16)
|
||||
NUMBER '01' (1, 17) (1, 19)
|
||||
OP '+' (1, 20) (1, 21)
|
||||
NUMBER '0x124' (1, 22) (1, 27)
|
||||
OP '+' (1, 28) (1, 29)
|
||||
NAME 'z' (1, 30) (1, 31)
|
||||
OP '+' (1, 32) (1, 33)
|
||||
NAME 'a' (1, 34) (1, 35)
|
||||
OP '[' (1, 35) (1, 36)
|
||||
NUMBER '5' (1, 36) (1, 37)
|
||||
OP ']' (1, 37) (1, 38)
|
||||
|
||||
Multiplicative
|
||||
|
||||
>>> dump_tokens("x = 1//1*1/5*12%0x12")
|
||||
NAME 'x' (1, 0) (1, 1)
|
||||
OP '=' (1, 2) (1, 3)
|
||||
NUMBER '1' (1, 4) (1, 5)
|
||||
OP '//' (1, 5) (1, 7)
|
||||
NUMBER '1' (1, 7) (1, 8)
|
||||
OP '*' (1, 8) (1, 9)
|
||||
NUMBER '1' (1, 9) (1, 10)
|
||||
OP '/' (1, 10) (1, 11)
|
||||
NUMBER '5' (1, 11) (1, 12)
|
||||
OP '*' (1, 12) (1, 13)
|
||||
NUMBER '12' (1, 13) (1, 15)
|
||||
OP '%' (1, 15) (1, 16)
|
||||
NUMBER '0x12' (1, 16) (1, 20)
|
||||
|
||||
Unary
|
||||
|
||||
>>> dump_tokens("~1 ^ 1 & 1 |1 ^ -1")
|
||||
OP '~' (1, 0) (1, 1)
|
||||
NUMBER '1' (1, 1) (1, 2)
|
||||
OP '^' (1, 3) (1, 4)
|
||||
NUMBER '1' (1, 5) (1, 6)
|
||||
OP '&' (1, 7) (1, 8)
|
||||
NUMBER '1' (1, 9) (1, 10)
|
||||
OP '|' (1, 11) (1, 12)
|
||||
NUMBER '1' (1, 12) (1, 13)
|
||||
OP '^' (1, 14) (1, 15)
|
||||
OP '-' (1, 16) (1, 17)
|
||||
NUMBER '1' (1, 17) (1, 18)
|
||||
>>> dump_tokens("-1*1/1+1*1//1 - ---1**1")
|
||||
OP '-' (1, 0) (1, 1)
|
||||
NUMBER '1' (1, 1) (1, 2)
|
||||
OP '*' (1, 2) (1, 3)
|
||||
NUMBER '1' (1, 3) (1, 4)
|
||||
OP '/' (1, 4) (1, 5)
|
||||
NUMBER '1' (1, 5) (1, 6)
|
||||
OP '+' (1, 6) (1, 7)
|
||||
NUMBER '1' (1, 7) (1, 8)
|
||||
OP '*' (1, 8) (1, 9)
|
||||
NUMBER '1' (1, 9) (1, 10)
|
||||
OP '//' (1, 10) (1, 12)
|
||||
NUMBER '1' (1, 12) (1, 13)
|
||||
OP '-' (1, 14) (1, 15)
|
||||
OP '-' (1, 16) (1, 17)
|
||||
OP '-' (1, 17) (1, 18)
|
||||
OP '-' (1, 18) (1, 19)
|
||||
NUMBER '1' (1, 19) (1, 20)
|
||||
OP '**' (1, 20) (1, 22)
|
||||
NUMBER '1' (1, 22) (1, 23)
|
||||
|
||||
Selector
|
||||
|
||||
>>> dump_tokens("import sys, time\\nx = sys.modules['time'].time()")
|
||||
NAME 'import' (1, 0) (1, 6)
|
||||
NAME 'sys' (1, 7) (1, 10)
|
||||
OP ',' (1, 10) (1, 11)
|
||||
NAME 'time' (1, 12) (1, 16)
|
||||
NEWLINE '\\n' (1, 16) (1, 17)
|
||||
NAME 'x' (2, 0) (2, 1)
|
||||
OP '=' (2, 2) (2, 3)
|
||||
NAME 'sys' (2, 4) (2, 7)
|
||||
OP '.' (2, 7) (2, 8)
|
||||
NAME 'modules' (2, 8) (2, 15)
|
||||
OP '[' (2, 15) (2, 16)
|
||||
STRING "'time'" (2, 16) (2, 22)
|
||||
OP ']' (2, 22) (2, 23)
|
||||
OP '.' (2, 23) (2, 24)
|
||||
NAME 'time' (2, 24) (2, 28)
|
||||
OP '(' (2, 28) (2, 29)
|
||||
OP ')' (2, 29) (2, 30)
|
||||
|
||||
Methods
|
||||
|
||||
>>> dump_tokens("@staticmethod\\ndef foo(x,y): pass")
|
||||
OP '@' (1, 0) (1, 1)
|
||||
NAME 'staticmethod (1, 1) (1, 13)
|
||||
NEWLINE '\\n' (1, 13) (1, 14)
|
||||
NAME 'def' (2, 0) (2, 3)
|
||||
NAME 'foo' (2, 4) (2, 7)
|
||||
OP '(' (2, 7) (2, 8)
|
||||
NAME 'x' (2, 8) (2, 9)
|
||||
OP ',' (2, 9) (2, 10)
|
||||
NAME 'y' (2, 10) (2, 11)
|
||||
OP ')' (2, 11) (2, 12)
|
||||
OP ':' (2, 12) (2, 13)
|
||||
NAME 'pass' (2, 14) (2, 18)
|
||||
|
||||
Backslash means line continuation, except for comments
|
||||
|
||||
>>> roundtrip("x=1+\\\\n"
|
||||
... "1\\n"
|
||||
... "# This is a comment\\\\n"
|
||||
... "# This also\\n")
|
||||
True
|
||||
>>> roundtrip("# Comment \\\\nx = 0")
|
||||
True
|
||||
|
||||
Two string literals on the same line
|
||||
|
||||
>>> roundtrip("'' ''")
|
||||
True
|
||||
|
||||
Test roundtrip on random python modules.
|
||||
pass the '-ucpu' option to process the full directory.
|
||||
|
||||
>>>
|
||||
>>> tempdir = os.path.dirname(f) or os.curdir
|
||||
>>> testfiles = glob.glob(os.path.join(tempdir, "test*.py"))
|
||||
|
||||
>>> if not test_support.is_resource_enabled("cpu"):
|
||||
... testfiles = random.sample(testfiles, 10)
|
||||
...
|
||||
>>> for testfile in testfiles:
|
||||
... if not roundtrip(open(testfile)):
|
||||
... print "Roundtrip failed for file %s" % testfile
|
||||
... break
|
||||
... else: True
|
||||
True
|
||||
|
||||
Evil tabs
|
||||
>>> dump_tokens("def f():\\n\\tif x\\n \\tpass")
|
||||
NAME 'def' (1, 0) (1, 3)
|
||||
NAME 'f' (1, 4) (1, 5)
|
||||
OP '(' (1, 5) (1, 6)
|
||||
OP ')' (1, 6) (1, 7)
|
||||
OP ':' (1, 7) (1, 8)
|
||||
NEWLINE '\\n' (1, 8) (1, 9)
|
||||
INDENT '\\t' (2, 0) (2, 1)
|
||||
NAME 'if' (2, 1) (2, 3)
|
||||
NAME 'x' (2, 4) (2, 5)
|
||||
NEWLINE '\\n' (2, 5) (2, 6)
|
||||
INDENT ' \\t' (3, 0) (3, 9)
|
||||
NAME 'pass' (3, 9) (3, 13)
|
||||
DEDENT '' (4, 0) (4, 0)
|
||||
DEDENT '' (4, 0) (4, 0)
|
||||
"""
|
||||
|
||||
|
||||
from test import test_support
|
||||
from tokenize import (untokenize, generate_tokens, NUMBER, NAME, OP,
|
||||
STRING, ENDMARKER, tok_name)
|
||||
from StringIO import StringIO
|
||||
import os
|
||||
|
||||
def dump_tokens(s):
|
||||
"""Print out the tokens in s in a table format.
|
||||
|
||||
The ENDMARKER is omitted.
|
||||
"""
|
||||
f = StringIO(s)
|
||||
for type, token, start, end, line in generate_tokens(f.readline):
|
||||
if type == ENDMARKER:
|
||||
break
|
||||
type = tok_name[type]
|
||||
print("%(type)-10.10s %(token)-13.13r %(start)s %(end)s" % locals())
|
||||
|
||||
# This is an example from the docs, set up as a doctest.
|
||||
def decistmt(s):
|
||||
"""Substitute Decimals for floats in a string of statements.
|
||||
|
||||
>>> from decimal import Decimal
|
||||
>>> s = 'print +21.3e-5*-.1234/81.7'
|
||||
>>> decistmt(s)
|
||||
"print +Decimal ('21.3e-5')*-Decimal ('.1234')/Decimal ('81.7')"
|
||||
|
||||
The format of the exponent is inherited from the platform C library.
|
||||
Known cases are "e-007" (Windows) and "e-07" (not Windows). Since
|
||||
we're only showing 12 digits, and the 13th isn't close to 5, the
|
||||
rest of the output should be platform-independent.
|
||||
|
||||
>>> exec(s) #doctest: +ELLIPSIS
|
||||
-3.21716034272e-0...7
|
||||
|
||||
Output from calculations with Decimal should be identical across all
|
||||
platforms.
|
||||
|
||||
>>> exec(decistmt(s))
|
||||
-3.217160342717258261933904529E-7
|
||||
"""
|
||||
|
||||
result = []
|
||||
g = generate_tokens(StringIO(s).readline) # tokenize the string
|
||||
for toknum, tokval, _, _, _ in g:
|
||||
if toknum == NUMBER and '.' in tokval: # replace NUMBER tokens
|
||||
result.extend([
|
||||
(NAME, 'Decimal'),
|
||||
(OP, '('),
|
||||
(STRING, repr(tokval)),
|
||||
(OP, ')')
|
||||
])
|
||||
else:
|
||||
result.append((toknum, tokval))
|
||||
return untokenize(result)
|
||||
|
||||
|
||||
__test__ = {"doctests" : doctests, 'decistmt': decistmt}
|
||||
|
||||
|
||||
def test_main():
|
||||
from test import test_tokenize
|
||||
test_support.run_doctest(test_tokenize, True)
|
||||
|
||||
if __name__ == "__main__":
|
||||
test_main()
|
||||
Reference in New Issue
Block a user