Mercurial Repositories > eric / file comparison
comparison: DebugClients/Python3/coverage/debug.py
DebugClients/Python3/coverage/debug.py
- changeset 5051
- 3586ebd9fac8
- parent 4489
- d0d6e4ad31bd
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| 5047:04e5dfbd3f3d | 5051:3586ebd9fac8 |
|---|---|
| 4 """Control of and utilities for debugging.""" | 4 """Control of and utilities for debugging.""" |
| 5 | 5 |
| 6 import inspect | 6 import inspect |
| 7 import os | 7 import os |
| 8 import sys | 8 import sys |
| 9 | |
| 10 from coverage.misc import isolate_module | |
| 11 | |
| 12 os = isolate_module(os) | |
| 9 | 13 |
| 10 | 14 |
| 11 # When debugging, it can be helpful to force some options, especially when | 15 # When debugging, it can be helpful to force some options, especially when |
| 12 # debugging the configuration mechanisms you usually use to control debugging! | 16 # debugging the configuration mechanisms you usually use to control debugging! |
| 13 # This is a list of forced debugging options. | 17 # This is a list of forced debugging options. |
| 36 """Write a line of debug output.""" | 40 """Write a line of debug output.""" |
| 37 if self.should('pid'): | 41 if self.should('pid'): |
| 38 msg = "pid %5d: %s" % (os.getpid(), msg) | 42 msg = "pid %5d: %s" % (os.getpid(), msg) |
| 39 self.output.write(msg+"\n") | 43 self.output.write(msg+"\n") |
| 40 if self.should('callers'): | 44 if self.should('callers'): |
| 41 dump_stack_frames(self.output) | 45 dump_stack_frames(out=self.output) |
| 42 self.output.flush() | 46 self.output.flush() |
| 43 | 47 |
| 44 def write_formatted_info(self, header, info): | 48 def write_formatted_info(self, header, info): |
| 45 """Write a sequence of (label,data) pairs nicely.""" | 49 """Write a sequence of (label,data) pairs nicely.""" |
| 46 self.write(info_header(header)) | 50 self.write(info_header(header)) |
| 74 prefix = "" | 78 prefix = "" |
| 75 else: | 79 else: |
| 76 yield "%*s: %s" % (label_len, label, data) | 80 yield "%*s: %s" % (label_len, label, data) |
| 77 | 81 |
| 78 | 82 |
| 79 def short_stack(): # pragma: debugging | 83 def short_stack(limit=None): # pragma: debugging |
| 80 """Return a string summarizing the call stack. | 84 """Return a string summarizing the call stack. |
| 81 | 85 |
| 82 The string is multi-line, with one line per stack frame. Each line shows | 86 The string is multi-line, with one line per stack frame. Each line shows |
| 83 the function name, the file name, and the line number: | 87 the function name, the file name, and the line number: |
| 84 | 88 |
| 86 start_import_stop : /Users/ned/coverage/trunk/tests/coveragetest.py @95 | 90 start_import_stop : /Users/ned/coverage/trunk/tests/coveragetest.py @95 |
| 87 import_local_file : /Users/ned/coverage/trunk/tests/coveragetest.py @81 | 91 import_local_file : /Users/ned/coverage/trunk/tests/coveragetest.py @81 |
| 88 import_local_file : /Users/ned/coverage/trunk/coverage/backward.py @159 | 92 import_local_file : /Users/ned/coverage/trunk/coverage/backward.py @159 |
| 89 ... | 93 ... |
| 90 | 94 |
| 95 `limit` is the number of frames to include, defaulting to all of them. | |
| 96 | |
| 91 """ | 97 """ |
| 92 stack = inspect.stack()[:0:-1] | 98 stack = inspect.stack()[limit:0:-1] |
| 93 return "\n".join("%30s : %s @%d" % (t[3], t[1], t[2]) for t in stack) | 99 return "\n".join("%30s : %s @%d" % (t[3], t[1], t[2]) for t in stack) |
| 94 | 100 |
| 95 | 101 |
| 96 def dump_stack_frames(out=None): # pragma: debugging | 102 def dump_stack_frames(limit=None, out=None): # pragma: debugging |
| 97 """Print a summary of the stack to stdout, or some place else.""" | 103 """Print a summary of the stack to stdout, or some place else.""" |
| 98 out = out or sys.stdout | 104 out = out or sys.stdout |
| 99 out.write(short_stack()) | 105 out.write(short_stack(limit=limit)) |
| 100 out.write("\n") | 106 out.write("\n") |
