openstack/deb-python-eventlet
Code Issues Proposed changes

Moved spew/unspew into a new debug module.

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This commit is contained in:
Ryan Williams
2010-01-08 16:58:35 -08:00
parent 65c47d1655
commit 7003ded07c
2 changed files with 62 additions and 53 deletions
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56
eventlet/api.py
View File

@@ -9,6 +9,7 @@ import warnings
from eventlet.support import greenlets as greenlet
from eventlet.hubs import get_hub as get_hub_, get_default_hub as get_default_hub_, use_hub as use_hub_
from eventlet import greenthread
from eventlet import debug
__all__ = [
'call_after', 'exc_after', 'getcurrent', 'get_default_hub', 'get_hub',
@@ -192,59 +193,8 @@ sleep = greenthread.sleep
getcurrent = greenlet.getcurrent
GreenletExit = greenlet.GreenletExit
class Spew(object):
"""
"""
def __init__(self, trace_names=None, show_values=True):
self.trace_names = trace_names
self.show_values = show_values
def __call__(self, frame, event, arg):
if event == 'line':
lineno = frame.f_lineno
if '__file__' in frame.f_globals:
filename = frame.f_globals['__file__']
if (filename.endswith('.pyc') or
filename.endswith('.pyo')):
filename = filename[:-1]
name = frame.f_globals['__name__']
line = linecache.getline(filename, lineno)
else:
name = '[unknown]'
try:
src = inspect.getsourcelines(frame)
line = src[lineno]
except IOError:
line = 'Unknown code named [%s]. VM instruction #%d' % (
frame.f_code.co_name, frame.f_lasti)
if self.trace_names is None or name in self.trace_names:
print '%s:%s: %s' % (name, lineno, line.rstrip())
if not self.show_values:
return self
details = '\t'
tokens = line.translate(
string.maketrans(' ,.()', '\0' * 5)).split('\0')
for tok in tokens:
if tok in frame.f_globals:
details += '%s=%r ' % (tok, frame.f_globals[tok])
if tok in frame.f_locals:
details += '%s=%r ' % (tok, frame.f_locals[tok])
if details.strip():
print details
return self
def spew(trace_names=None, show_values=False):
"""Install a trace hook which writes incredibly detailed logs
about what code is being executed to stdout.
"""
sys.settrace(Spew(trace_names, show_values))
def unspew():
"""Remove the trace hook installed by spew.
"""
sys.settrace(None)
spew = debug.spew
unspew = debug.unspew
def named(name):

59
eventlet/debug.py Normal file
View File

@@ -0,0 +1,59 @@
"""The debug module contains utilities and functions for better
debugging Eventlet-powered applications."""
__all__ = ['spew', 'unspew']
class Spew(object):
"""
"""
def __init__(self, trace_names=None, show_values=True):
self.trace_names = trace_names
self.show_values = show_values
def __call__(self, frame, event, arg):
if event == 'line':
lineno = frame.f_lineno
if '__file__' in frame.f_globals:
filename = frame.f_globals['__file__']
if (filename.endswith('.pyc') or
filename.endswith('.pyo')):
filename = filename[:-1]
name = frame.f_globals['__name__']
line = linecache.getline(filename, lineno)
else:
name = '[unknown]'
try:
src = inspect.getsourcelines(frame)
line = src[lineno]
except IOError:
line = 'Unknown code named [%s]. VM instruction #%d' % (
frame.f_code.co_name, frame.f_lasti)
if self.trace_names is None or name in self.trace_names:
print '%s:%s: %s' % (name, lineno, line.rstrip())
if not self.show_values:
return self
details = '\t'
tokens = line.translate(
string.maketrans(' ,.()', '\0' * 5)).split('\0')
for tok in tokens:
if tok in frame.f_globals:
details += '%s=%r ' % (tok, frame.f_globals[tok])
if tok in frame.f_locals:
details += '%s=%r ' % (tok, frame.f_locals[tok])
if details.strip():
print details
return self
def spew(trace_names=None, show_values=False):
"""Install a trace hook which writes incredibly detailed logs
about what code is being executed to stdout.
"""
sys.settrace(Spew(trace_names, show_values))
def unspew():
"""Remove the trace hook installed by spew.
"""
sys.settrace(None)