1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
#!/usr/bin/python
import sys
import re
if __name__ == "__main__":
args = sys.argv[1:]
if not args or len(args) < 3:
sys.stderr.write(
"%s <target dependency> <rewrite rule> "
"<replace 1> [<replace 2> ...\n" % (sys.argv[0],))
raise SystemExit(1)
target, pattern, replaces = args[0], args[1], args[2:]
sys.stdout.write("Target: %s\n" % (target,))
sys.stdout.write("Pattern: %s\n" % (pattern,))
sys.stdout.write("Rewrites: %s\n" % (", ".join(replaces),))
if pattern.startswith("++"):
sys.stderr.write("You are just asking to add dep, meh!\n")
raise SystemExit(1)
sys.stdout.write("\n")
compiled_pattern = re.compile(pattern)
if not compiled_pattern.match(target):
sys.stderr.write("Error: Pattern does not match target dep\n")
raise SystemExit(1)
exit_st = 0
for replace in replaces:
new_target, number_of_subs = compiled_pattern.subn(
replace, target)
if number_of_subs:
sys.stdout.write("%s -> %s\n" % (target, new_target))
else:
sys.stderr.write("Error, not replaced: %s -> %s\n" % (
target, replace,))
exit_st = 1
raise SystemExit(exit_st)
|
