| Dir : /proc/self/root/opt/alt/python37/lib/python3.7/site-packages/raven/contrib/django/ |
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| Dir : //proc/self/root/opt/alt/python37/lib/python3.7/site-packages/raven/contrib/django/utils.py |
"""
raven.contrib.django.utils
~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: (c) 2010-2012 by the Sentry Team, see AUTHORS for more details.
:license: BSD, see LICENSE for more details.
"""
from __future__ import absolute_import
import os
from django.conf import settings
def linebreak_iter(template_source):
yield 0
p = template_source.find('\n')
while p >= 0:
yield p + 1
p = template_source.find('\n', p + 1)
yield len(template_source) + 1
def get_data_from_template(source, debug=None):
def _remove_numbers(items):
rv = []
for item in items:
# Some debug info from django has tuples in the form (lineno,
# code) instead of just the code there.
if isinstance(item, (list, tuple)) and len(item) == 2:
item = item[1]
rv.append(item)
return rv
if debug is not None:
lineno = debug['line']
filename = debug['name']
source_lines = []
source_lines += [''] * (debug['source_lines'][0][0])
for num, line in debug['source_lines']:
source_lines.append(line)
source_lines += [''] * 4
elif source:
origin, (start, end) = source
filename = culprit = getattr(origin, 'loadname', None)
template_source = origin.reload()
lineno = None
upto = 0
source_lines = []
for num, next in enumerate(linebreak_iter(template_source)):
if start >= upto and end <= next:
lineno = num
source_lines.append(template_source[upto:next])
upto = next
if not source_lines or lineno is None:
return {}
else:
raise TypeError('Source or debug needed')
if filename is None:
filename = '<unknown filename>'
culprit = '<unknown filename>'
else:
culprit = filename.split('/templates/')[-1]
pre_context = _remove_numbers(source_lines[max(lineno - 3, 0):lineno])
post_context = _remove_numbers(source_lines[(lineno + 1):(lineno + 4)])
context_line = _remove_numbers([source_lines[lineno]])[0]
return {
'template': {
'filename': os.path.basename(filename),
'abs_path': filename,
'pre_context': pre_context,
'context_line': context_line,
'lineno': lineno,
'post_context': post_context,
},
'culprit': culprit,
}
def get_host(request):
"""
A reimplementation of Django's get_host, without the
SuspiciousOperation check.
"""
# We try three options, in order of decreasing preference.
if settings.USE_X_FORWARDED_HOST and (
'HTTP_X_FORWARDED_HOST' in request.META):
host = request.META['HTTP_X_FORWARDED_HOST']
elif 'HTTP_HOST' in request.META:
host = request.META['HTTP_HOST']
else:
# Reconstruct the host using the algorithm from PEP 333.
host = request.META['SERVER_NAME']
server_port = str(request.META['SERVER_PORT'])
if server_port != (request.is_secure() and '443' or '80'):
host = '%s:%s' % (host, server_port)
return host