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[198.84.214.74]) by smtp.gmail.com with ESMTPSA id c9sm2841963qtg.89.2021.05.02.12.18.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 02 May 2021 12:18:43 -0700 (PDT) Subject: Re: [PATCH v4 2/4] Update UTF-8 charmap processing. To: Florian Weimer References: <20210428130033.3196848-1-carlos@redhat.com> <20210428130033.3196848-3-carlos@redhat.com> <87mtthfakh.fsf@oldenburg.str.redhat.com> <87h7joe76p.fsf@oldenburg.str.redhat.com> Organization: Red Hat Message-ID: <5b4c70f3-01d5-c579-980b-62c235f5035b@redhat.com> Date: Sun, 2 May 2021 15:18:41 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <87h7joe76p.fsf@oldenburg.str.redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Carlos O'Donell via Libc-alpha Reply-To: Carlos O'Donell Cc: libc-alpha@sourceware.org Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" On 4/30/21 12:18 AM, Florian Weimer wrote: > * Carlos O'Donell: > >> On 4/29/21 10:07 AM, Florian Weimer wrote: >>> * Carlos O'Donell: >>> >>>> def convert_to_hex(code_point): >>>> '''Converts a code point to a hexadecimal UTF-8 representation >>>> - like /x**/x**/x**.''' >>>> - # Getting UTF8 of Unicode characters. >>>> - # In Python3, .encode('UTF-8') does not work for >>>> - # surrogates. Therefore, we use this conversion table >>>> - surrogates = { >>>> - 0xD800: '/xed/xa0/x80', >>>> - 0xDB7F: '/xed/xad/xbf', >>>> - 0xDB80: '/xed/xae/x80', >>>> - 0xDBFF: '/xed/xaf/xbf', >>>> - 0xDC00: '/xed/xb0/x80', >>>> - 0xDFFF: '/xed/xbf/xbf', >>>> - } >>>> - if code_point in surrogates: >>>> - return surrogates[code_point] >>>> - return ''.join([ >>>> - '/x{:02x}'.format(c) for c in chr(code_point).encode('UTF-8') >>>> - ]) >>>> + ready for use in a locale character map specification e.g. >>>> + /xc2/xaf for MACRON. >>>> + >>>> + ''' >>>> + cp_locale = '' >>>> + cp_bytes = chr(code_point).encode('UTF-8', 'surrogatepass') >>>> + for byte in cp_bytes: >>>> + cp_locale += ''.join('/x{:02x}'.format(byte)) >>>> + return cp_locale >>> >>> I think you should keep the list comprehension. That ''.join() is >>> unnecessary. >> >> Like this? >> >> return ''.join(['/x{:02x}'.format(c) \ >> for c in chr(code_point).encode('UTF-8', 'surrogatepass')]) >> >> (tested works fine and produces the same results) > > Yes, exactly. Thanks. The patch should be fine with this. Fixed. This will be part of the v5 repost. -- Cheers, Carlos.