Mercurial Repositories > eric / file comparison
comparison: eric6/DebugClients/Python/PyProfile.py
eric6/DebugClients/Python/PyProfile.py
- branch
- maintenance
- changeset 8273
- 698ae46f40a4
- parent 8243
- cc717c2ae956
equal
deleted
inserted
replaced
| 8190:fb0ef164f536 | 8273:698ae46f40a4 |
|---|---|
| 9 import os | 9 import os |
| 10 import marshal | 10 import marshal |
| 11 import profile | 11 import profile |
| 12 import atexit | 12 import atexit |
| 13 import pickle # secok | 13 import pickle # secok |
| 14 import contextlib | |
| 14 | 15 |
| 15 | 16 |
| 16 class PyProfile(profile.Profile): | 17 class PyProfile(profile.Profile): |
| 17 """ | 18 """ |
| 18 Class extending the standard Python profiler with additional methods. | 19 Class extending the standard Python profiler with additional methods. |
| 49 Private method to restore the timing data from the timing cache. | 50 Private method to restore the timing data from the timing cache. |
| 50 """ | 51 """ |
| 51 if not os.path.exists(self.timingCache): | 52 if not os.path.exists(self.timingCache): |
| 52 return | 53 return |
| 53 | 54 |
| 54 try: | 55 with contextlib.suppress(OSError, EOFError, ValueError, TypeError), \ |
| 55 with open(self.timingCache, 'rb') as cache: | 56 open(self.timingCache, 'rb') as cache: |
| 56 timings = marshal.load(cache) # secok | 57 timings = marshal.load(cache) # secok |
| 57 if isinstance(timings, dict): | 58 if isinstance(timings, dict): |
| 58 self.timings = timings | 59 self.timings = timings |
| 59 except (OSError, EOFError, ValueError, TypeError): | |
| 60 pass | |
| 61 | 60 |
| 62 def save(self): | 61 def save(self): |
| 63 """ | 62 """ |
| 64 Public method to store the collected profile data. | 63 Public method to store the collected profile data. |
| 65 """ | 64 """ |
| 66 # dump the raw timing data | 65 # dump the raw timing data |
| 67 try: | 66 with contextlib.suppress(OSError), \ |
| 68 with open(self.timingCache, 'wb') as cache: | 67 open(self.timingCache, 'wb') as cache: |
| 69 marshal.dump(self.timings, cache) | 68 marshal.dump(self.timings, cache) |
| 70 except OSError: | |
| 71 pass | |
| 72 | 69 |
| 73 # dump the profile data | 70 # dump the profile data |
| 74 self.dump_stats(self.profileCache) | 71 self.dump_stats(self.profileCache) |
| 75 | 72 |
| 76 def dump_stats(self, file): | 73 def dump_stats(self, file): |
| 78 Public method to dump the statistics data. | 75 Public method to dump the statistics data. |
| 79 | 76 |
| 80 @param file name of the file to write to (string) | 77 @param file name of the file to write to (string) |
| 81 """ | 78 """ |
| 82 self.create_stats() | 79 self.create_stats() |
| 83 try: | 80 with contextlib.suppress(OSError, pickle.PickleError), \ |
| 84 with open(file, 'wb') as f: | 81 open(file, 'wb') as f: |
| 85 pickle.dump(self.stats, f, 4) | 82 pickle.dump(self.stats, f, 4) |
| 86 except (OSError, pickle.PickleError): | |
| 87 pass | |
| 88 | 83 |
| 89 def erase(self): | 84 def erase(self): |
| 90 """ | 85 """ |
| 91 Public method to erase the collected timing data. | 86 Public method to erase the collected timing data. |
| 92 """ | 87 """ |
| 141 @return flag indicating a successful handling (boolean) | 136 @return flag indicating a successful handling (boolean) |
| 142 """ | 137 """ |
| 143 if self.cur and frame.f_back is not self.cur[-2]: | 138 if self.cur and frame.f_back is not self.cur[-2]: |
| 144 rpt, rit, ret, rfn, rframe, rcur = self.cur | 139 rpt, rit, ret, rfn, rframe, rcur = self.cur |
| 145 if not isinstance(rframe, profile.Profile.fake_frame): | 140 if not isinstance(rframe, profile.Profile.fake_frame): |
| 146 assert rframe.f_back is frame.f_back, ("Bad call", rfn, | 141 assert rframe.f_back is frame.f_back, ( # secok |
| 147 # secok | 142 "Bad call", rfn, rframe, rframe.f_back, |
| 148 rframe, rframe.f_back, | 143 frame, frame.f_back) |
| 149 frame, frame.f_back) | |
| 150 self.trace_dispatch_return(rframe, 0) | 144 self.trace_dispatch_return(rframe, 0) |
| 151 assert (self.cur is None or # secok | 145 assert (self.cur is None or # secok |
| 152 frame.f_back is self.cur[-2]), ("Bad call", | 146 frame.f_back is self.cur[-2]), ("Bad call", |
| 153 self.cur[-3]) | 147 self.cur[-3]) |
| 154 fcode = frame.f_code | 148 fcode = frame.f_code |
| 155 fn = (self.fix_frame_filename(frame), | 149 fn = (self.fix_frame_filename(frame), |
| 156 fcode.co_firstlineno, fcode.co_name) | 150 fcode.co_firstlineno, fcode.co_name) |
