#! /usr/bin/env python

# blogtouch
# Copyright 2007 by Akkana Peck: feel free to use this under the GPLv2.

# Walk my static pyblosxom directory tree searching for all files
# containing a pattern. For each matching file found,
# set the date on it to be early enough that it will be
# regenerated with ./pyblosxom.cgi --static --incremental

import sys, os, re

def fixup_date(filepath) :
    # Set the time to ten years earlier:
    tenyears = 315360100
    filestat = os.stat(filepath)
    utimes = ( filestat.st_atime - tenyears, filestat.st_mtime - tenyears )
    os.utime(filepath, utimes)
    print filepath

def check_for_match(pat, filepath) :
    try :
        fp = open( filepath, 'r' )
    except IOError :
        #print "File:", filepath, "missing"
        return False
    patprog = re.compile(pat)
    while 1 :
        line = fp.readline()
        if not line : break
        if (patprog.search(line)) :
            return True
    return False

def check_dir(pat, dirname, names) :
    for fil in names :
        if check_for_match(pat, dirname + "/" + fil) :
            fixup_date(dirname + "/" + fil)

if len(sys.argv) != 2 :
    print "Usage:", sys.argv[0], "pattern"
    sys.exit(0)

print "Setting times to ten years earlier:"
os.path.walk(os.environ["HOME"] + "/web/blog", check_dir, sys.argv[1])