Artur Adib
14 years ago
8 changed files with 68 additions and 114 deletions
@ -1,77 +0,0 @@
@@ -1,77 +0,0 @@
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#!/usr/bin/env python |
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# Python port of Ian Piumarta's watch.c |
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# BSD Licensed - http://eschew.org/txt/bsd.txt |
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import re |
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import os |
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import sys |
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import time |
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import string |
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import subprocess |
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maxfiles = 64 |
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def usage(): |
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return """usage: %(watch)s <paths...> - <commands...> |
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<paths...> is/are the file/s to be monitored |
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<commands...> is/are the commands to execute (quote if args required) |
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Note: occurrences of '${file}' in command strings will be replaced |
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with updated filename before execution. |
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e.g.: %(watch)s *.txt - 'echo ${file}' |
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""" % { 'watch': sys.argv[0] } |
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def try_get_mtime(path): |
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try: |
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buf = os.stat(path) |
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except OSError: |
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time.sleep(1) |
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try: |
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buf = os.stat(path) |
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except OSError: |
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print "%(watch)s: %(file)s: file not found" |
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sys.exit(1) |
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return buf.st_mtime |
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def execute_commands(commands, filename): |
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for command in commands: |
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cmd = string.Template(command).safe_substitute(file=filename) |
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cmd_pieces = re.split('\s+', cmd) |
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subprocess.Popen(cmd_pieces) |
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def main(): |
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files = [] |
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commands = [] |
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seeing_paths = True |
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for part in sys.argv[1:]: |
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if part == '-': |
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seeing_paths = False |
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elif seeing_paths: |
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files.append(part) |
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else: |
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commands.append(part) |
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if len(commands) == 0: |
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print usage() |
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sys.exit(1) |
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if len(files) > maxfiles: |
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print "%(watch)s: too many files to watch" % sys.argv[0] |
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mtimes = dict([(f, try_get_mtime(f)) for f in files]) |
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done = False |
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while not done: |
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for f in files: |
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old_mtime = mtimes[f] |
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new_mtime = try_get_mtime(f) |
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if new_mtime != old_mtime: |
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mtimes[f] = new_mtime |
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execute_commands(commands, f) |
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time.sleep(1) |
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if __name__ == '__main__': |
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try: |
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main() |
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except KeyboardInterrupt: |
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sys.exit(0) |
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@ -0,0 +1,2 @@
@@ -0,0 +1,2 @@
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<!-- This snippet is used in production, see Makefile --> |
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<script type="text/javascript" src="../build/pdf.js"></script> |
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