Issue #26581: Use the first coding cookie on a line, not the last one.

This commit is contained in:
Serhiy Storchaka 2016-03-20 23:47:48 +02:00
commit a051bf3afb
8 changed files with 10 additions and 6 deletions

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@ -62,7 +62,7 @@ locale_encoding = locale_encoding.lower()
encoding = locale_encoding ### KBK 07Sep07 This is used all over IDLE, check!
### 'encoding' is used below in encode(), check!
coding_re = re.compile(r'^[ \t\f]*#.*coding[:=][ \t]*([-\w.]+)', re.ASCII)
coding_re = re.compile(r'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)', re.ASCII)
blank_re = re.compile(r'^[ \t\f]*(?:[#\r\n]|$)', re.ASCII)
def coding_spec(data):

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@ -236,7 +236,7 @@ class Untokenizer:
startline = False
toks_append(tokval)
cookie_re = re.compile(r'^[ \t\f]*#.*coding[:=][ \t]*([-\w.]+)', re.ASCII)
cookie_re = re.compile(r'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)', re.ASCII)
blank_re = re.compile(br'^[ \t\f]*(?:[#\r\n]|$)', re.ASCII)
def _get_normal_name(orig_enc):

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@ -14,7 +14,7 @@ import unittest
import warnings
CODING_RE = re.compile(r'^[ \t\f]*#.*coding[:=][ \t]*([-\w.]+)', re.ASCII)
CODING_RE = re.compile(r'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)', re.ASCII)
class EncodingTest:

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@ -178,7 +178,7 @@ class AbstractSourceEncodingTest:
def test_double_coding_same_line(self):
src = (b'#coding:iso8859-15 coding:latin1\n'
b'print(ascii("\xc3\xa4"))\n')
self.check_script_output(src, br"'\xc3\xa4'")
self.check_script_output(src, br"'\xc3\u20ac'")
def test_first_non_utf8_coding_line(self):
src = (b'#coding:iso-8859-15 \xa4\n'

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@ -34,7 +34,7 @@ import re
import sys
from token import *
cookie_re = re.compile(r'^[ \t\f]*#.*coding[:=][ \t]*([-\w.]+)', re.ASCII)
cookie_re = re.compile(r'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)', re.ASCII)
blank_re = re.compile(br'^[ \t\f]*(?:[#\r\n]|$)', re.ASCII)
import token

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@ -10,6 +10,9 @@ Release date: tba
Core and Builtins
-----------------
- Issue #26581: If coding cookie is specified multiple times on a line in
Python source code file, only the first one is taken to account.
- Issue #26563: Debug hooks on Python memory allocators now raise a fatal
error if functions of the :c:func:`PyMem_Malloc` family are called without
holding the GIL.

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@ -275,6 +275,7 @@ get_coding_spec(const char *s, char **spec, Py_ssize_t size, struct tok_state *t
return 0;
}
*spec = r;
break;
}
}
}

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@ -32,7 +32,7 @@ except ImportError:
"no sophisticated Python source file search will be done.", file=sys.stderr)
decl_re = re.compile(rb'^[ \t\f]*#.*coding[:=][ \t]*([-\w.]+)')
decl_re = re.compile(rb'^[ \t\f]*#.*?coding[:=][ \t]*([-\w.]+)')
blank_re = re.compile(rb'^[ \t\f]*(?:[#\r\n]|$)')
def get_declaration(line):