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util: add an interpolate() function to for replacing multiple values
util.interpolate can be used to replace multiple items in a string all at once
(and optionally apply a function to the replacement), without worrying about
recursing:
>>> import util
>>> s = '$foo, $spam'
>>> util.interpolate(r'\$', { 'foo': 'bar', 'spam': 'eggs' }, s)
'bar, eggs'
>>> util.interpolate(r'\$', { 'foo': 'spam', 'spam': 'foo' }, s)
'spam, foo'
>>> util.interpolate(r'\$', { 'foo': 'spam', 'spam': 'foo' }, s, lambda s: s.upper())
'SPAM, FOO'
The patch also changes filemerge.py to use this new function.
author | Steve Losh <steve@stevelosh.com> |
---|---|
date | Wed, 18 Aug 2010 18:18:26 -0400 |
parents | c1b11ee12fe7 |
children | 4c94b6d0fb1c |
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#!/bin/sh echo '% hg init t' hg init t cd t echo foo > a echo '% hg add a' hg add a echo '% hg commit' hg commit -m "1" -d "1000000 0" echo '% hg verify' hg verify chmod -r .hg/store/data/a.i echo '% hg verify' hg verify 2>/dev/null || echo verify failed chmod +r .hg/store/data/a.i echo '% hg verify' hg verify 2>/dev/null || echo verify failed chmod -w .hg/store/data/a.i echo barber > a echo '% hg commit' hg commit -m "2" -d "1000000 0" 2>/dev/null || echo commit failed chmod -w . echo '% hg diff' hg diff --nodates chmod +w . chmod +w .hg/store/data/a.i mkdir dir touch dir/a echo '% hg status' hg status chmod -rx dir echo '% hg status' hg status # reenable perm to allow deletion chmod +rx dir