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5b1830f3 MW |
1 | ### -*-pyrex-*- |
2 | ### | |
3 | ### Watching files for changes | |
4 | ### | |
5 | ### (c) 2007 Straylight/Edgeware | |
6 | ### | |
ae68e889 | 7 | |
5b1830f3 MW |
8 | ###----- Licensing notice --------------------------------------------------- |
9 | ### | |
10 | ### This file is part of the Python interface to mLib. | |
11 | ### | |
12 | ### mLib/Python is free software; you can redistribute it and/or modify | |
13 | ### it under the terms of the GNU General Public License as published by | |
14 | ### the Free Software Foundation; either version 2 of the License, or | |
15 | ### (at your option) any later version. | |
16 | ### | |
17 | ### mLib/Python is distributed in the hope that it will be useful, | |
18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ### GNU General Public License for more details. | |
21 | ### | |
22 | ### You should have received a copy of the GNU General Public License | |
23 | ### along with mLib/Python; if not, write to the Free Software Foundation, | |
24 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
ae68e889 MW |
25 | |
26 | cdef class FWatch: | |
addc0c37 MW |
27 | """ |
28 | FWatch(FILE): watch FILE for changes | |
29 | ||
30 | FILE may be a string, file descriptor, or an object with a `fileno' method. | |
31 | """ | |
ae68e889 | 32 | cdef fwatch fw |
d8d81d1b | 33 | cdef public file |
376ad06d | 34 | def __cinit__(me, file): |
d8d81d1b | 35 | me._init(file) |
ae68e889 | 36 | def __init__(me, file): |
d8d81d1b | 37 | me._init(file) |
ae68e889 MW |
38 | cdef _init(me, file): |
39 | if isinstance(file, str): | |
40 | fwatch_init(&me.fw, file) | |
41 | else: | |
42 | fwatch_initfd(&me.fw, _getfd(file)) | |
43 | me.file = file | |
44 | def update(me): | |
addc0c37 | 45 | """FW.update() -> RC: nonzero if the file has changed state""" |
d8d81d1b | 46 | cdef int rc |
ae68e889 | 47 | if isinstance(me.file, str): |
d8d81d1b | 48 | rc = fwatch_update(&me.fw, me.file) |
ae68e889 | 49 | else: |
d8d81d1b MW |
50 | rc = fwatch_updatefd(&me.fw, _getfd(me.file)) |
51 | return rc | |
ae68e889 | 52 | |
5b1830f3 | 53 | ###----- That's all, folks -------------------------------------------------- |