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Merged revisions 79306,79311,79325 via svnmerge from

Browse source 
svn+ssh://pythondev@svn.python.org/python/trunk

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  r79306 | benjamin.peterson | 2010-03-22 17:40:06 -0500 (Mon, 22 Mar 2010) | 21 lines

  Merged revisions 79077,79137,79304-79305 via svnmerge from
  svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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    r79077 | benjamin.peterson | 2010-03-18 18:05:29 -0500 (Thu, 18 Mar 2010) | 1 line

    port detect_encoding improvements from py3k
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    r79137 | benjamin.peterson | 2010-03-20 11:12:53 -0500 (Sat, 20 Mar 2010) | 1 line

    add a fixer for setting sys.exitfunc #2356
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    r79304 | benjamin.peterson | 2010-03-22 17:20:22 -0500 (Mon, 22 Mar 2010) | 1 line

    fix test_parser when it's run in a path with spaces #7666
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    r79305 | benjamin.peterson | 2010-03-22 17:27:07 -0500 (Mon, 22 Mar 2010) | 1 line

    normalize whitespace
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  r79311 | benjamin.peterson | 2010-03-22 17:54:42 -0500 (Mon, 22 Mar 2010) | 9 lines

  Merged revisions 79309 via svnmerge from
  svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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    r79309 | benjamin.peterson | 2010-03-22 17:50:47 -0500 (Mon, 22 Mar 2010) | 1 line

    pass correct symbol in
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  r79325 | benjamin.peterson | 2010-03-22 22:03:55 -0500 (Mon, 22 Mar 2010) | 13 lines

  Merged revisions 79313,79324 via svnmerge from
  svn+ssh://pythondev@svn.python.org/sandbox/trunk/2to3/lib2to3

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    r79313 | benjamin.peterson | 2010-03-22 17:59:57 -0500 (Mon, 22 Mar 2010) | 1 line

    another case where a symbol is needed
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    r79324 | benjamin.peterson | 2010-03-22 21:59:47 -0500 (Mon, 22 Mar 2010) | 1 line

    use unicode literals
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This commit is contained in:
Benjamin Peterson 2010-03-23 03:22:05 +00:00
parent d96b2f249d
commit 0af9398d27
4 changed files with 170 additions and 10 deletions
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19
Lib/lib2to3/pgen2/tokenize.py
View file

@ -253,14 +253,16 @@ def detect_encoding(readline):
in.
It detects the encoding from the presence of a utf-8 bom or an encoding
cookie as specified in pep-0263. If both a bom and a cookie are present,
but disagree, a SyntaxError will be raised. If the encoding cookie is an
invalid charset, raise a SyntaxError.
cookie as specified in pep-0263. If both a bom and a cookie are present, but
disagree, a SyntaxError will be raised. If the encoding cookie is an invalid
charset, raise a SyntaxError. Note that if a utf-8 bom is found,
'utf-8-sig' is returned.
If no encoding is specified, then the default of 'utf-8' will be returned.
"""
bom_found = False
encoding = None
default = 'utf-8'
def read_or_stop():
try:
return readline()
@ -287,17 +289,16 @@ def detect_encoding(readline):
if codec.name != 'utf-8':
# This behaviour mimics the Python interpreter
raise SyntaxError('encoding problem: utf-8')
else:
# Allow it to be properly encoded and decoded.
encoding = 'utf-8-sig'
encoding += '-sig'
return encoding
first = read_or_stop()
if first.startswith(BOM_UTF8):
bom_found = True
first = first[3:]
default = 'utf-8-sig'
if not first:
return 'utf-8', []
return default, []
encoding = find_cookie(first)
if encoding:
@ -305,13 +306,13 @@ def detect_encoding(readline):
second = read_or_stop()
if not second:
return 'utf-8', [first]
return default, [first]
encoding = find_cookie(second)
if encoding:
return encoding, [first, second]
return 'utf-8', [first, second]
return default, [first, second]
def untokenize(iterable):
"""Transform tokens back into Python source code.