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Raise exception, if dosed does not change anything in given file.

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This commit is contained in:
Gökçen Eraslan
2009-01-04 10:45:25 +00:00
parent 00c143ce34
commit 5f243861f3
1 changed files with 9 additions and 1 deletions
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pisi/actionsapi/pisitools.py
+9 -1
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@@ -18,6 +18,7 @@ import glob
import sys import sys
import fileinput import fileinput
import re import re
import filecmp
import gettext import gettext
__trans = gettext.translation('pisi', fallback=True) __trans = gettext.translation('pisi', fallback=True)
@@ -192,6 +193,7 @@ def dosed(sourceFiles, findPattern, replacePattern = ''):
''' example call: pisitools.dosed("/etc/pass*", "caglar")''' ''' example call: pisitools.dosed("/etc/pass*", "caglar")'''
''' example call: pisitools.dosed("Makefile", "(?m)^(HAVE_PAM=.*)no", r"\1yes")''' ''' example call: pisitools.dosed("Makefile", "(?m)^(HAVE_PAM=.*)no", r"\1yes")'''
backupExtension = ".pisi-backup"
sourceFilesGlob = glob.glob(sourceFiles) sourceFilesGlob = glob.glob(sourceFiles)
#if there is no match, raise exception #if there is no match, raise exception
@@ -200,10 +202,16 @@ def dosed(sourceFiles, findPattern, replacePattern = ''):
for sourceFile in sourceFilesGlob: for sourceFile in sourceFilesGlob:
if can_access_file(sourceFile): if can_access_file(sourceFile):
for line in fileinput.input(sourceFile, inplace = 1): backupFile = "%s%s" % (sourceFile, backupExtension)
for line in fileinput.input(sourceFile, inplace = 1, backup = backupExtension):
#FIXME: In-place filtering is disabled when standard input is read #FIXME: In-place filtering is disabled when standard input is read
line = re.sub(findPattern, replacePattern, line) line = re.sub(findPattern, replacePattern, line)
sys.stdout.write(line) sys.stdout.write(line)
if can_access_file(backupFile):
if filecmp.cmp(sourceFile, backupFile):
raise FileError(_('dosed method has not changed file \'%s\'.') % sourceFile)
else:
os.unlink(backupFile)
else: else:
raise FileError(_('File does not exist or permission denied: %s') % sourceFile) raise FileError(_('File does not exist or permission denied: %s') % sourceFile)