projects / deliverable / lttng-analyses.git / blame
| Commit | Line | Data |
|---|---|---|
| 4ed24f86 JD |
1 | #!/usr/bin/env python3 |
| 2 | # | |
| 3 | # The MIT License (MIT) | |
| 4 | # | |
| 5 | # Copyright (C) 2015 - Julien Desfossez <jdesfosez@efficios.com> | |
| 6 | # | |
| 7 | # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| 8 | # of this software and associated documentation files (the "Software"), to deal | |
| 9 | # in the Software without restriction, including without limitation the rights | |
| 10 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| 11 | # copies of the Software, and to permit persons to whom the Software is | |
| 12 | # furnished to do so, subject to the following conditions: | |
| 13 | # | |
| 14 | # The above copyright notice and this permission notice shall be included in | |
| 15 | # all copies or substantial portions of the Software. | |
| 16 | # | |
| 17 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 18 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 19 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| 20 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 21 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| 22 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 23 | # SOFTWARE. | |
| 24 | ||
| 418527ca JD |
25 | import os |
| 26 | import sys | |
| 27 | ||
| 28 | try: | |
| 29 | from progressbar import ETA, Bar, Percentage, ProgressBar | |
| 30 | progressbar_available = True | |
| 31 | except ImportError: | |
| 32 | progressbar_available = False | |
| 33 | ||
| 34 | # approximation for the progress bar | |
| 35 | BYTES_PER_EVENT = 30 | |
| 36 | ||
| 37 | ||
| 38 | def getFolderSize(folder): | |
| 39 | total_size = os.path.getsize(folder) | |
| 40 | for item in os.listdir(folder): | |
| 41 | itempath = os.path.join(folder, item) | |
| 42 | if os.path.isfile(itempath): | |
| 43 | total_size += os.path.getsize(itempath) | |
| 44 | elif os.path.isdir(itempath): | |
| 45 | total_size += getFolderSize(itempath) | |
| 46 | return total_size | |
| 47 | ||
| 48 | ||
| 49 | def progressbar_setup(obj): | |
| 50 | if hasattr(obj, "_arg_no_progress") and obj._arg_no_progress: | |
| 51 | obj.pbar = None | |
| 52 | return | |
| 53 | ||
| 54 | if progressbar_available: | |
| 55 | size = getFolderSize(obj._arg_path) | |
| 56 | widgets = ['Processing the trace: ', Percentage(), ' ', | |
| 57 | Bar(marker='#', left='[', right=']'), | |
| 58 | ' ', ETA(), ' '] # see docs for other options | |
| 59 | obj.pbar = ProgressBar(widgets=widgets, | |
| 60 | maxval=size/BYTES_PER_EVENT) | |
| 61 | obj.pbar.start() | |
| 62 | else: | |
| 63 | print("Warning: progressbar module not available, " | |
| 64 | "using --no-progress.", file=sys.stderr) | |
| 65 | obj._arg_no_progress = True | |
| 66 | obj.pbar = None | |
| 67 | obj.event_count = 0 | |
| 68 | ||
| 69 | ||
| 70 | def progressbar_update(obj): | |
| 71 | if hasattr(obj, "_arg_no_progress") and \ | |
| 72 | (obj._arg_no_progress or obj.pbar is None): | |
| 73 | return | |
| 74 | try: | |
| 75 | obj.pbar.update(obj.event_count) | |
| 76 | except ValueError: | |
| 77 | pass | |
| 78 | obj.event_count += 1 | |
| 79 | ||
| 80 | ||
| 81 | def progressbar_finish(obj): | |
| 82 | if hasattr(obj, "_arg_no_progress") and obj._arg_no_progress: | |
| 83 | return | |
| 84 | obj.pbar.finish() |