Re: Generate config file from template using Python search and replace.

Path	csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail
From	MRAB <python@mrabarnett.plus.com>
Newsgroups	comp.lang.python
Subject	Re: Generate config file from template using Python search and replace.
Date	Mon, 30 Nov 2015 03:23:34 +0000
Lines	40
Message-ID	<mailman.19.1448853826.14615.python-list@python.org> (permalink)
References	<73046000-f634-40f2-9c83-f03a5db134e6@googlegroups.com> <mailman.3.1448752087.14615.python-list@python.org> <4f923003-4f85-4a69-bfda-165194211bb4@googlegroups.com> <mailman.11.1448837430.14615.python-list@python.org> <11d4423f-7912-426c-9d20-d2cb5efba18b@googlegroups.com> <565BB71D.1010303@medimorphosis.com.au>
Mime-Version	1.0
Content-Type	text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding	7bit
X-Trace	news.uni-berlin.de 2UjRCZqAMPAdptyZT5ho9w39Y5BR3ELIzbvYcIXQjVhw==
Return-Path	<python@mrabarnett.plus.com>
X-Original-To	python-list@python.org
Delivered-To	python-list@mail.python.org
X-Spam-Status	OK 0.000
X-Spam-Evidence	'H': 1.00; 'S': 0.00; 'subject:Python': 0.05; 'below)': 0.07; 'matches': 0.07; 'subject:file': 0.07; '"r")': 0.09; 'os.path': 0.09; 'script,': 0.09; 'subject:using': 0.09; 'python': 0.10; 'template': 0.11; 'subject: \n ': 0.15; '"python': 0.16; 'did:': 0.16; 'from:addr:mrabarnett.plus.com': 0.16; 'from:addr:python': 0.16; 'from:name:mrab': 0.16; 'magic': 0.16; 'message-id:@mrabarnett.plus.com': 0.16; 'received:192.168.1.4': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'subject:Generate': 0.16; 'subject:search': 0.16; 'wrote:': 0.16; 'string': 0.17; 'exists': 0.18; '(see': 0.20; 'this:': 0.23; 'import': 0.24; 'header:In-Reply-To:1': 0.24; 'header:User- Agent:1': 0.26; 'skip:# 10': 0.27; 'heading': 0.27; 'print': 0.30; 'values.': 0.33; 'open': 0.33; 'skip:d 20': 0.34; 'something': 0.35; 'but': 0.36; 'to:addr:python-list': 0.36; 'subject:: ': 0.37; 'seem': 0.37; 'does': 0.39; 'subject:from': 0.39; 'received:192': 0.39; 'to:addr:python.org': 0.40; 'challenge': 0.61; 'watch': 0.62; 'else.': 0.66; 'me!': 0.84; 'hills': 0.93
X-CM-Score	0.00
X-CNFS-Analysis	v=2.1 cv=CvRCCSMD c=1 sm=1 tr=0 a=0nF1XD0wxitMEM03M9B4ZQ==:117 a=0nF1XD0wxitMEM03M9B4ZQ==:17 a=0Bzu9jTXAAAA:8 a=EBOSESyhAAAA:8 a=IkcTkHD0fZMA:10 a=gdROXQi2OMzZr1EzV1YA:9 a=QEXdDO2ut3YA:10
X-AUTH	mrabarnett@:2500
User-Agent	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0
In-Reply-To	<565BB71D.1010303@medimorphosis.com.au>
X-BeenThere	python-list@python.org
X-Mailman-Version	2.1.20+
Precedence	list
List-Id	General discussion list for the Python programming language <python-list.python.org>
List-Unsubscribe	<https://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe>
List-Archive	<http://mail.python.org/pipermail/python-list/>
List-Post	<mailto:python-list@python.org>
List-Help	<mailto:python-list-request@python.org?subject=help>
List-Subscribe	<https://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe>
Xref	csiph.com comp.lang.python:99720

Show key headers only | View raw

On 2015-11-30 02:40, Rob Hills wrote:
> A program I am writing at present does exactly this and I simply do
> multiple calls to string.replace (see below)
>
> On 30/11/15 10:31, Mr Zaug wrote:
>> I seem to be heading in this direction.
>>
>> #!/usr/bin/env python
>> import re
>> from os.path import exists
>>
>> script, template_file = argv
>> print "Opening the template file..."
>>
>> with open (template_file, "r") as a_string:
>>     data=a_string.read().replace('BRAND', 'Fluxotine')
>
>          data=data.replace('STRING_2', 'New String 2')
>          data=data.replace('STRING_3', 'New String 3')
>
>> print(data)
>>
>> So now the challenge is to use the read().replace magic for multiple values.
>
> It's crude, but it works well for me!
>
You do need to watch out for matches that are part of something else.

For example, if you had this:

     template = "REPLACE_THIS but DONT_REPLACE_THIS"

and you did:

     result = template.replace("REPLACE_THIS", "Python")

you would get:

     "Python but DONT_Python"

Back to comp.lang.python | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

csiph-web