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Tim's latest version (supports old and new tokenize modules)
This commit is contained in:
Guido van Rossum
parent
5d97ebf2ac
commit
f4b44fa6ef
189
Lib/tabnanny.py
189
Lib/tabnanny.py
@ -1,29 +1,16 @@
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#! /home/guido/python/src/sparc/python
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#! /usr/bin/env python
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"""The Tab Nanny despises ambiguous indentation. She knows no mercy.
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"""The Tab Nanny despises ambiguous indentation. She knows no mercy."""
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CAUTION: this version requires Guido's "NL" patch to lib/tokenize.py,
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posted 30-Mar-98. This version will not run at all with an unpatched
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tokenize (it will raise AttributeError while loading), while previous
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versions will run incorrectly with the patched tokenize.
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"""
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# Released to the public domain, by Tim Peters, 4 April 1998.
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# Released to the public domain, by Tim Peters, 30 March 1998.
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__version__ = "2"
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__version__ = "3"
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import os
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import sys
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import getopt
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import tokenize
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try:
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tokenize.NL
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except AttributeError:
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raise AttributeError, "Sorry, I need a version of tokenize.py " \
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"that supports the NL pseudo-token."
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verbose = 0
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def main():
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@ -235,67 +222,131 @@ def format_witnesses(w):
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prefix = prefix + "s"
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return prefix + " " + string.join(firsts, ', ')
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indents = []
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check_equal = 0
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# The collection of globals, the reset_globals() function, and the
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# tokeneater() function, depend on which version of tokenize is
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# in use.
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def reset_globals():
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global indents, check_equal
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check_equal = 0
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indents = [Whitespace("")]
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if hasattr(tokenize, 'NL'):
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# take advantage of Guido's patch!
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def tokeneater(type, token, start, end, line,
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INDENT=tokenize.INDENT,
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DEDENT=tokenize.DEDENT,
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NEWLINE=tokenize.NEWLINE,
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COMMENT=tokenize.COMMENT,
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NL=tokenize.NL):
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global indents, check_equal
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indents = []
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check_equal = 0
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# test in decreasing order of frequency, although the check_equal
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# test *must* be last; INDENT and DEDENT appear equally often
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def reset_globals():
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global indents, check_equal
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check_equal = 0
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indents = [Whitespace("")]
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if type in (COMMENT, NL):
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# the indentation of these guys is meaningless
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pass
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def tokeneater(type, token, start, end, line,
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INDENT=tokenize.INDENT,
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DEDENT=tokenize.DEDENT,
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NEWLINE=tokenize.NEWLINE,
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COMMENT=tokenize.COMMENT,
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NL=tokenize.NL):
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global indents, check_equal
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elif type == NEWLINE:
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# a program statement, or ENDMARKER, will eventually follow,
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# after some (possibly empty) run of tokens of the form
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# (NL | COMMENT)* (INDENT | DEDENT+)?
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# If an INDENT appears, setting check_equal is wrong, and will
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# be undone when we see the INDENT.
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check_equal = 1
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# test in decreasing order of frequency, although the check_equal
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# test *must* be last; INDENT and DEDENT appear equally often
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elif type == INDENT:
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check_equal = 0
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thisguy = Whitespace(token)
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if not indents[-1].less(thisguy):
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witness = indents[-1].not_less_witness(thisguy)
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msg = "indent not greater e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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indents.append(thisguy)
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if type in (COMMENT, NL):
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# the indentation of these guys is meaningless
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pass
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elif type == DEDENT:
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# there's nothing we need to check here! what's important is
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# that when the run of DEDENTs ends, the indentation of the
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# program statement (or ENDMARKER) that triggered the run is
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# equal to what's left at the top of the indents stack
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assert check_equal # else no earlier NEWLINE, or an earlier INDENT
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del indents[-1]
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elif type == NEWLINE:
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# a program statement, or ENDMARKER, will eventually follow,
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# after some (possibly empty) run of tokens of the form
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# (NL | COMMENT)* (INDENT | DEDENT+)?
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# If an INDENT appears, setting check_equal is wrong, and will
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# be undone when we see the INDENT.
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check_equal = 1
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elif check_equal:
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# this is the first "real token" following a NEWLINE, so it
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# must be the first token of the next program statment, or an
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# ENDMARKER; the "line" argument exposes the leading whitespace
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# for this statement; in the case of ENDMARKER, line is an empty
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# string, so will properly match the empty string with which the
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# "indents" stack was seeded
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check_equal = 0
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thisguy = Whitespace(line)
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if not indents[-1].equal(thisguy):
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witness = indents[-1].not_equal_witness(thisguy)
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msg = "indent not equal e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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elif type == INDENT:
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check_equal = 0
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thisguy = Whitespace(token)
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if not indents[-1].less(thisguy):
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witness = indents[-1].not_less_witness(thisguy)
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msg = "indent not greater e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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indents.append(thisguy)
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elif type == DEDENT:
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# there's nothing we need to check here! what's important is
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# that when the run of DEDENTs ends, the indentation of the
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# program statement (or ENDMARKER) that triggered the run is
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# equal to what's left at the top of the indents stack
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assert check_equal # else no earlier NEWLINE, or an earlier INDENT
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del indents[-1]
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elif check_equal:
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# this is the first "real token" following a NEWLINE, so it
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# must be the first token of the next program statement, or an
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# ENDMARKER; the "line" argument exposes the leading whitespace
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# for this statement; in the case of ENDMARKER, line is an empty
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# string, so will properly match the empty string with which the
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# "indents" stack was seeded
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check_equal = 0
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thisguy = Whitespace(line)
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if not indents[-1].equal(thisguy):
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witness = indents[-1].not_equal_witness(thisguy)
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msg = "indent not equal e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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else:
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# unpatched version of tokenize
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nesting_level = 0
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indents = []
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check_equal = 0
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def reset_globals():
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global nesting_level, indents, check_equal
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nesting_level = check_equal = 0
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indents = [Whitespace("")]
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def tokeneater(type, token, start, end, line,
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INDENT=tokenize.INDENT,
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DEDENT=tokenize.DEDENT,
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NEWLINE=tokenize.NEWLINE,
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COMMENT=tokenize.COMMENT,
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OP=tokenize.OP):
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global nesting_level, indents, check_equal
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if type == INDENT:
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check_equal = 0
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thisguy = Whitespace(token)
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if not indents[-1].less(thisguy):
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witness = indents[-1].not_less_witness(thisguy)
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msg = "indent not greater e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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indents.append(thisguy)
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elif type == DEDENT:
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del indents[-1]
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elif type == NEWLINE:
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if nesting_level == 0:
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check_equal = 1
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elif type == COMMENT:
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pass
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elif check_equal:
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check_equal = 0
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thisguy = Whitespace(line)
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if not indents[-1].equal(thisguy):
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witness = indents[-1].not_equal_witness(thisguy)
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msg = "indent not equal e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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if type == OP and token in ('{', '[', '('):
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nesting_level = nesting_level + 1
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elif type == OP and token in ('}', ']', ')'):
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if nesting_level == 0:
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raise NannyNag(start[0],
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"unbalanced bracket '" + token + "'",
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line)
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nesting_level = nesting_level - 1
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if __name__ == '__main__':
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main()
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@ -1,29 +1,16 @@
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#! /home/guido/python/src/sparc/python
|
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#! /usr/bin/env python
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|
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"""The Tab Nanny despises ambiguous indentation. She knows no mercy.
|
||||
"""The Tab Nanny despises ambiguous indentation. She knows no mercy."""
|
||||
|
||||
CAUTION: this version requires Guido's "NL" patch to lib/tokenize.py,
|
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posted 30-Mar-98. This version will not run at all with an unpatched
|
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tokenize (it will raise AttributeError while loading), while previous
|
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versions will run incorrectly with the patched tokenize.
|
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"""
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# Released to the public domain, by Tim Peters, 4 April 1998.
|
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|
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# Released to the public domain, by Tim Peters, 30 March 1998.
|
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__version__ = "2"
|
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__version__ = "3"
|
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|
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import os
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import sys
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import getopt
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import tokenize
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try:
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tokenize.NL
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except AttributeError:
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raise AttributeError, "Sorry, I need a version of tokenize.py " \
|
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"that supports the NL pseudo-token."
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verbose = 0
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def main():
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@ -235,67 +222,131 @@ def format_witnesses(w):
|
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prefix = prefix + "s"
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return prefix + " " + string.join(firsts, ', ')
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|
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indents = []
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check_equal = 0
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# The collection of globals, the reset_globals() function, and the
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# tokeneater() function, depend on which version of tokenize is
|
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# in use.
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|
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def reset_globals():
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global indents, check_equal
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check_equal = 0
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indents = [Whitespace("")]
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if hasattr(tokenize, 'NL'):
|
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# take advantage of Guido's patch!
|
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|
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def tokeneater(type, token, start, end, line,
|
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INDENT=tokenize.INDENT,
|
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DEDENT=tokenize.DEDENT,
|
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NEWLINE=tokenize.NEWLINE,
|
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COMMENT=tokenize.COMMENT,
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NL=tokenize.NL):
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global indents, check_equal
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indents = []
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check_equal = 0
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# test in decreasing order of frequency, although the check_equal
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# test *must* be last; INDENT and DEDENT appear equally often
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def reset_globals():
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global indents, check_equal
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check_equal = 0
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indents = [Whitespace("")]
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|
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if type in (COMMENT, NL):
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# the indentation of these guys is meaningless
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pass
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def tokeneater(type, token, start, end, line,
|
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INDENT=tokenize.INDENT,
|
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DEDENT=tokenize.DEDENT,
|
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NEWLINE=tokenize.NEWLINE,
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COMMENT=tokenize.COMMENT,
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NL=tokenize.NL):
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global indents, check_equal
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elif type == NEWLINE:
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# a program statement, or ENDMARKER, will eventually follow,
|
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# after some (possibly empty) run of tokens of the form
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# (NL | COMMENT)* (INDENT | DEDENT+)?
|
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# If an INDENT appears, setting check_equal is wrong, and will
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# be undone when we see the INDENT.
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check_equal = 1
|
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# test in decreasing order of frequency, although the check_equal
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# test *must* be last; INDENT and DEDENT appear equally often
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|
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elif type == INDENT:
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check_equal = 0
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thisguy = Whitespace(token)
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if not indents[-1].less(thisguy):
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witness = indents[-1].not_less_witness(thisguy)
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msg = "indent not greater e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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indents.append(thisguy)
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if type in (COMMENT, NL):
|
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# the indentation of these guys is meaningless
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pass
|
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|
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elif type == DEDENT:
|
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# there's nothing we need to check here! what's important is
|
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# that when the run of DEDENTs ends, the indentation of the
|
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# program statement (or ENDMARKER) that triggered the run is
|
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# equal to what's left at the top of the indents stack
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assert check_equal # else no earlier NEWLINE, or an earlier INDENT
|
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del indents[-1]
|
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elif type == NEWLINE:
|
||||
# a program statement, or ENDMARKER, will eventually follow,
|
||||
# after some (possibly empty) run of tokens of the form
|
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# (NL | COMMENT)* (INDENT | DEDENT+)?
|
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# If an INDENT appears, setting check_equal is wrong, and will
|
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# be undone when we see the INDENT.
|
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check_equal = 1
|
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|
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elif check_equal:
|
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# this is the first "real token" following a NEWLINE, so it
|
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# must be the first token of the next program statment, or an
|
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# ENDMARKER; the "line" argument exposes the leading whitespace
|
||||
# for this statement; in the case of ENDMARKER, line is an empty
|
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# string, so will properly match the empty string with which the
|
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# "indents" stack was seeded
|
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check_equal = 0
|
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thisguy = Whitespace(line)
|
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if not indents[-1].equal(thisguy):
|
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witness = indents[-1].not_equal_witness(thisguy)
|
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msg = "indent not equal e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
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elif type == INDENT:
|
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check_equal = 0
|
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thisguy = Whitespace(token)
|
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if not indents[-1].less(thisguy):
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witness = indents[-1].not_less_witness(thisguy)
|
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msg = "indent not greater e.g. " + format_witnesses(witness)
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raise NannyNag(start[0], msg, line)
|
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indents.append(thisguy)
|
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|
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elif type == DEDENT:
|
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# there's nothing we need to check here! what's important is
|
||||
# that when the run of DEDENTs ends, the indentation of the
|
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# program statement (or ENDMARKER) that triggered the run is
|
||||
# equal to what's left at the top of the indents stack
|
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assert check_equal # else no earlier NEWLINE, or an earlier INDENT
|
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del indents[-1]
|
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|
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elif check_equal:
|
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# this is the first "real token" following a NEWLINE, so it
|
||||
# must be the first token of the next program statement, or an
|
||||
# ENDMARKER; the "line" argument exposes the leading whitespace
|
||||
# for this statement; in the case of ENDMARKER, line is an empty
|
||||
# string, so will properly match the empty string with which the
|
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# "indents" stack was seeded
|
||||
check_equal = 0
|
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thisguy = Whitespace(line)
|
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if not indents[-1].equal(thisguy):
|
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witness = indents[-1].not_equal_witness(thisguy)
|
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msg = "indent not equal e.g. " + format_witnesses(witness)
|
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raise NannyNag(start[0], msg, line)
|
||||
|
||||
else:
|
||||
# unpatched version of tokenize
|
||||
|
||||
nesting_level = 0
|
||||
indents = []
|
||||
check_equal = 0
|
||||
|
||||
def reset_globals():
|
||||
global nesting_level, indents, check_equal
|
||||
nesting_level = check_equal = 0
|
||||
indents = [Whitespace("")]
|
||||
|
||||
def tokeneater(type, token, start, end, line,
|
||||
INDENT=tokenize.INDENT,
|
||||
DEDENT=tokenize.DEDENT,
|
||||
NEWLINE=tokenize.NEWLINE,
|
||||
COMMENT=tokenize.COMMENT,
|
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OP=tokenize.OP):
|
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global nesting_level, indents, check_equal
|
||||
|
||||
if type == INDENT:
|
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check_equal = 0
|
||||
thisguy = Whitespace(token)
|
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if not indents[-1].less(thisguy):
|
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witness = indents[-1].not_less_witness(thisguy)
|
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msg = "indent not greater e.g. " + format_witnesses(witness)
|
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raise NannyNag(start[0], msg, line)
|
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indents.append(thisguy)
|
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|
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elif type == DEDENT:
|
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del indents[-1]
|
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|
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elif type == NEWLINE:
|
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if nesting_level == 0:
|
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check_equal = 1
|
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|
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elif type == COMMENT:
|
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pass
|
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|
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elif check_equal:
|
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check_equal = 0
|
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thisguy = Whitespace(line)
|
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if not indents[-1].equal(thisguy):
|
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witness = indents[-1].not_equal_witness(thisguy)
|
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msg = "indent not equal e.g. " + format_witnesses(witness)
|
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raise NannyNag(start[0], msg, line)
|
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|
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if type == OP and token in ('{', '[', '('):
|
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nesting_level = nesting_level + 1
|
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|
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elif type == OP and token in ('}', ']', ')'):
|
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if nesting_level == 0:
|
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raise NannyNag(start[0],
|
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"unbalanced bracket '" + token + "'",
|
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line)
|
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nesting_level = nesting_level - 1
|
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|
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if __name__ == '__main__':
|
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main()
|
||||
|
||||
@ -1,29 +1,16 @@
|
||||
#! /home/guido/python/src/sparc/python
|
||||
#! /usr/bin/env python
|
||||
|
||||
"""The Tab Nanny despises ambiguous indentation. She knows no mercy.
|
||||
"""The Tab Nanny despises ambiguous indentation. She knows no mercy."""
|
||||
|
||||
CAUTION: this version requires Guido's "NL" patch to lib/tokenize.py,
|
||||
posted 30-Mar-98. This version will not run at all with an unpatched
|
||||
tokenize (it will raise AttributeError while loading), while previous
|
||||
versions will run incorrectly with the patched tokenize.
|
||||
"""
|
||||
# Released to the public domain, by Tim Peters, 4 April 1998.
|
||||
|
||||
# Released to the public domain, by Tim Peters, 30 March 1998.
|
||||
|
||||
__version__ = "2"
|
||||
__version__ = "3"
|
||||
|
||||
import os
|
||||
import sys
|
||||
import getopt
|
||||
import tokenize
|
||||
|
||||
try:
|
||||
tokenize.NL
|
||||
except AttributeError:
|
||||
raise AttributeError, "Sorry, I need a version of tokenize.py " \
|
||||
"that supports the NL pseudo-token."
|
||||
|
||||
verbose = 0
|
||||
|
||||
def main():
|
||||
@ -235,67 +222,131 @@ def format_witnesses(w):
|
||||
prefix = prefix + "s"
|
||||
return prefix + " " + string.join(firsts, ', ')
|
||||
|
||||
indents = []
|
||||
check_equal = 0
|
||||
# The collection of globals, the reset_globals() function, and the
|
||||
# tokeneater() function, depend on which version of tokenize is
|
||||
# in use.
|
||||
|
||||
def reset_globals():
|
||||
global indents, check_equal
|
||||
check_equal = 0
|
||||
indents = [Whitespace("")]
|
||||
if hasattr(tokenize, 'NL'):
|
||||
# take advantage of Guido's patch!
|
||||
|
||||
def tokeneater(type, token, start, end, line,
|
||||
INDENT=tokenize.INDENT,
|
||||
DEDENT=tokenize.DEDENT,
|
||||
NEWLINE=tokenize.NEWLINE,
|
||||
COMMENT=tokenize.COMMENT,
|
||||
NL=tokenize.NL):
|
||||
global indents, check_equal
|
||||
indents = []
|
||||
check_equal = 0
|
||||
|
||||
# test in decreasing order of frequency, although the check_equal
|
||||
# test *must* be last; INDENT and DEDENT appear equally often
|
||||
def reset_globals():
|
||||
global indents, check_equal
|
||||
check_equal = 0
|
||||
indents = [Whitespace("")]
|
||||
|
||||
if type in (COMMENT, NL):
|
||||
# the indentation of these guys is meaningless
|
||||
pass
|
||||
def tokeneater(type, token, start, end, line,
|
||||
INDENT=tokenize.INDENT,
|
||||
DEDENT=tokenize.DEDENT,
|
||||
NEWLINE=tokenize.NEWLINE,
|
||||
COMMENT=tokenize.COMMENT,
|
||||
NL=tokenize.NL):
|
||||
global indents, check_equal
|
||||
|
||||
elif type == NEWLINE:
|
||||
# a program statement, or ENDMARKER, will eventually follow,
|
||||
# after some (possibly empty) run of tokens of the form
|
||||
# (NL | COMMENT)* (INDENT | DEDENT+)?
|
||||
# If an INDENT appears, setting check_equal is wrong, and will
|
||||
# be undone when we see the INDENT.
|
||||
check_equal = 1
|
||||
# test in decreasing order of frequency, although the check_equal
|
||||
# test *must* be last; INDENT and DEDENT appear equally often
|
||||
|
||||
elif type == INDENT:
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(token)
|
||||
if not indents[-1].less(thisguy):
|
||||
witness = indents[-1].not_less_witness(thisguy)
|
||||
msg = "indent not greater e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
indents.append(thisguy)
|
||||
if type in (COMMENT, NL):
|
||||
# the indentation of these guys is meaningless
|
||||
pass
|
||||
|
||||
elif type == DEDENT:
|
||||
# there's nothing we need to check here! what's important is
|
||||
# that when the run of DEDENTs ends, the indentation of the
|
||||
# program statement (or ENDMARKER) that triggered the run is
|
||||
# equal to what's left at the top of the indents stack
|
||||
assert check_equal # else no earlier NEWLINE, or an earlier INDENT
|
||||
del indents[-1]
|
||||
elif type == NEWLINE:
|
||||
# a program statement, or ENDMARKER, will eventually follow,
|
||||
# after some (possibly empty) run of tokens of the form
|
||||
# (NL | COMMENT)* (INDENT | DEDENT+)?
|
||||
# If an INDENT appears, setting check_equal is wrong, and will
|
||||
# be undone when we see the INDENT.
|
||||
check_equal = 1
|
||||
|
||||
elif check_equal:
|
||||
# this is the first "real token" following a NEWLINE, so it
|
||||
# must be the first token of the next program statment, or an
|
||||
# ENDMARKER; the "line" argument exposes the leading whitespace
|
||||
# for this statement; in the case of ENDMARKER, line is an empty
|
||||
# string, so will properly match the empty string with which the
|
||||
# "indents" stack was seeded
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(line)
|
||||
if not indents[-1].equal(thisguy):
|
||||
witness = indents[-1].not_equal_witness(thisguy)
|
||||
msg = "indent not equal e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
elif type == INDENT:
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(token)
|
||||
if not indents[-1].less(thisguy):
|
||||
witness = indents[-1].not_less_witness(thisguy)
|
||||
msg = "indent not greater e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
indents.append(thisguy)
|
||||
|
||||
elif type == DEDENT:
|
||||
# there's nothing we need to check here! what's important is
|
||||
# that when the run of DEDENTs ends, the indentation of the
|
||||
# program statement (or ENDMARKER) that triggered the run is
|
||||
# equal to what's left at the top of the indents stack
|
||||
assert check_equal # else no earlier NEWLINE, or an earlier INDENT
|
||||
del indents[-1]
|
||||
|
||||
elif check_equal:
|
||||
# this is the first "real token" following a NEWLINE, so it
|
||||
# must be the first token of the next program statement, or an
|
||||
# ENDMARKER; the "line" argument exposes the leading whitespace
|
||||
# for this statement; in the case of ENDMARKER, line is an empty
|
||||
# string, so will properly match the empty string with which the
|
||||
# "indents" stack was seeded
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(line)
|
||||
if not indents[-1].equal(thisguy):
|
||||
witness = indents[-1].not_equal_witness(thisguy)
|
||||
msg = "indent not equal e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
|
||||
else:
|
||||
# unpatched version of tokenize
|
||||
|
||||
nesting_level = 0
|
||||
indents = []
|
||||
check_equal = 0
|
||||
|
||||
def reset_globals():
|
||||
global nesting_level, indents, check_equal
|
||||
nesting_level = check_equal = 0
|
||||
indents = [Whitespace("")]
|
||||
|
||||
def tokeneater(type, token, start, end, line,
|
||||
INDENT=tokenize.INDENT,
|
||||
DEDENT=tokenize.DEDENT,
|
||||
NEWLINE=tokenize.NEWLINE,
|
||||
COMMENT=tokenize.COMMENT,
|
||||
OP=tokenize.OP):
|
||||
global nesting_level, indents, check_equal
|
||||
|
||||
if type == INDENT:
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(token)
|
||||
if not indents[-1].less(thisguy):
|
||||
witness = indents[-1].not_less_witness(thisguy)
|
||||
msg = "indent not greater e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
indents.append(thisguy)
|
||||
|
||||
elif type == DEDENT:
|
||||
del indents[-1]
|
||||
|
||||
elif type == NEWLINE:
|
||||
if nesting_level == 0:
|
||||
check_equal = 1
|
||||
|
||||
elif type == COMMENT:
|
||||
pass
|
||||
|
||||
elif check_equal:
|
||||
check_equal = 0
|
||||
thisguy = Whitespace(line)
|
||||
if not indents[-1].equal(thisguy):
|
||||
witness = indents[-1].not_equal_witness(thisguy)
|
||||
msg = "indent not equal e.g. " + format_witnesses(witness)
|
||||
raise NannyNag(start[0], msg, line)
|
||||
|
||||
if type == OP and token in ('{', '[', '('):
|
||||
nesting_level = nesting_level + 1
|
||||
|
||||
elif type == OP and token in ('}', ']', ')'):
|
||||
if nesting_level == 0:
|
||||
raise NannyNag(start[0],
|
||||
"unbalanced bracket '" + token + "'",
|
||||
line)
|
||||
nesting_level = nesting_level - 1
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
|
||||
Loading…
Reference in New Issue
Block a user