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import os.path
import django
import SocketServer
from django.conf import settings
from django.views.debug import linebreak_iter
# Figure out some paths
django_path = os.path.realpath(os.path.dirname(django.__file__))
socketserver_path = os.path.realpath(os.path.dirname(SocketServer.__file__))
def ms_from_timedelta(td):
"""
Given a timedelta object, returns a float representing milliseconds
"""
return (td.seconds * 1000) + (td.microseconds / 1000.0)
def tidy_stacktrace(stack):
"""
Clean up stacktrace and remove all entries that:
1. Are part of Django (except contrib apps)
2. Are part of SocketServer (used by Django's dev server)
3. Are the last entry (which is part of our stacktracing code)
``stack`` should be a list of frame tuples from ``inspect.stack()``
"""
trace = []
for frame, path, line_no, func_name, text in (f[:5] for f in stack):
s_path = os.path.realpath(path)
# Support hiding of frames -- used in various utilities that provide
# inspection.
if '__traceback_hide__' in frame.f_locals:
continue
if getattr(settings, 'DEBUG_TOOLBAR_CONFIG', {}).get('HIDE_DJANGO_SQL', True) \
and django_path in s_path and not 'django/contrib' in s_path:
continue
if socketserver_path in s_path:
continue
trace.append((path, line_no, func_name, (''.join(text)).strip()))
return trace
def get_template_info(source, context_lines=3):
line = 0
upto = 0
source_lines = []
before = during = after = ""
origin, (start, end) = source
template_source = origin.reload()
for num, next in enumerate(linebreak_iter(template_source)):
if start >= upto and end <= next:
line = num
before = template_source[upto:start]
during = template_source[start:end]
after = template_source[end:next]
source_lines.append((num, template_source[upto:next]))
upto = next
top = max(1, line - context_lines)
bottom = min(len(source_lines), line + 1 + context_lines)
context = []
for num, content in source_lines[top:bottom]:
context.append({
'num': num,
'content': content,
'highlight': (num == line),
})
return {
'name': origin.name,
'context': context,
}
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