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/src/etc/tidy.py

http://github.com/jruderman/rust
Python | 50 lines | 36 code | 12 blank | 2 comment | 22 complexity | 40dd39526555dbec033721f894ae3cf6 MD5 | raw file
 1#!/usr/bin/env python
 2
 3import sys, fileinput, subprocess, re
 4
 5err=0
 6cols=78
 7
 8# Be careful to support Python 2.4, 2.6, and 3.x here!
 9config_proc=subprocess.Popen([ "git", "config", "core.autocrlf" ],
10                             stdout=subprocess.PIPE)
11result=config_proc.communicate()[0]
12
13true="true".encode('utf8')
14autocrlf=result.strip() == true if result is not None else False
15
16def report_err(s):
17    global err
18    print("%s:%d: %s" % (fileinput.filename(), fileinput.filelineno(), s))
19    err=1
20
21file_names = [s for s in sys.argv[1:] if (not s.endswith("_gen.rs"))
22                                     and (not s.startswith(".#"))]
23
24try:
25    for line in fileinput.input(file_names,
26                                openhook=fileinput.hook_encoded("utf-8")):
27
28        if fileinput.filename().find("tidy.py") == -1:
29            if line.find("FIXME") != -1:
30                if re.search("FIXME.*#\d+", line) == None:
31                    report_err("FIXME without issue number")
32            if line.find("TODO") != -1:
33                report_err("TODO is deprecated; use FIXME")
34        if (line.find('\t') != -1 and
35            fileinput.filename().find("Makefile") == -1):
36            report_err("tab character")
37        if not autocrlf and line.find('\r') != -1:
38            report_err("CR character")
39        if line.endswith(" \n") or line.endswith("\t\n"):
40            report_err("trailing whitespace")
41        line_len = len(line)-2 if autocrlf else len(line)-1
42
43        if line_len > cols:
44            report_err("line longer than %d chars" % cols)
45except UnicodeDecodeError, e:
46    report_err("UTF-8 decoding error " + str(e))
47
48
49sys.exit(err)
50