[PATCH] Fix ptcp154 encoding cyrillic_asian alias

[pjenvey]

BPO	1757126
Nosy	@pjenvey
Files	aliases_cyrillic_asian_r56460.diff: patch against trunk r56460

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2009-11-17.04:14:47.202>
created_at = <Date 2007-07-19.20:29:36.000>
labels = ['library']
title = '[PATCH] Fix ptcp154 encoding cyrillic_asian alias'
updated_at = <Date 2009-11-17.04:14:47.167>
user = 'https://github.com/pjenvey'

bugs.python.org fields:

activity = <Date 2009-11-17.04:14:47.167>
actor = 'pjenvey'
assignee = 'none'
closed = True
closed_date = <Date 2009-11-17.04:14:47.202>
closer = 'pjenvey'
components = ['Library (Lib)']
creation = <Date 2007-07-19.20:29:36.000>
creator = 'pjenvey'
dependencies = []
files = ['8120']
hgrepos = []
issue_num = 1757126
keywords = ['patch']
message_count = 2.0
messages = ['52914', '95364']
nosy_count = 1.0
nosy_names = ['pjenvey']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue1757126'
versions = ['Python 2.6']

[pjenvey]

This small patch fixes a typo in Lib/encodings/aliases.py, breaking an alias of the ptcp154 codec to cyrillic_asian

The alias is currently marked as 'cyrillic-asian', which isn't a valid normalized encoding name. The '-' should be normalized to '_' -- it should be 'cyrillic_asian'. Aliases are looked up from the aliases.py mapping by their noramlized name, described as:

def normalize_encoding(encoding):

""" Normalize an encoding name.

    Normalization works as follows: all non-alphanumeric
    characters except the dot used for Python package names are
    collapsed and replaced with a single underscore, e.g. '  -;#'
    becomes '_'. Leading and trailing underscores are removed.

    Note that encoding names should be ASCII only; if they do use
    non-ASCII characters, these must be Latin-1 compatible.

"""

[pjenvey]

fixed in r76337, r76338