Python django.template.defaultfilters.pprint() Examples

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Example #1
Source File: debug.py    From openhgsenti with Apache License 2.0 4 votes vote down vote up 
def get_traceback_data(self):
        """Return a dictionary containing traceback information."""
        if self.exc_type and issubclass(self.exc_type, TemplateDoesNotExist):
            self.template_does_not_exist = True
            self.postmortem = self.exc_value.chain or [self.exc_value]

        frames = self.get_traceback_frames()
        for i, frame in enumerate(frames):
            if 'vars' in frame:
                frame_vars = []
                for k, v in frame['vars']:
                    v = pprint(v)
                    # The force_escape filter assume unicode, make sure that works
                    if isinstance(v, six.binary_type):
                        v = v.decode('utf-8', 'replace')  # don't choke on non-utf-8 input
                    # Trim large blobs of data
                    if len(v) > 4096:
                        v = '%s... <trimmed %d bytes string>' % (v[0:4096], len(v))
                    frame_vars.append((k, force_escape(v)))
                frame['vars'] = frame_vars
            frames[i] = frame

        unicode_hint = ''
        if self.exc_type and issubclass(self.exc_type, UnicodeError):
            start = getattr(self.exc_value, 'start', None)
            end = getattr(self.exc_value, 'end', None)
            if start is not None and end is not None:
                unicode_str = self.exc_value.args[1]
                unicode_hint = smart_text(
                    unicode_str[max(start - 5, 0):min(end + 5, len(unicode_str))],
                    'ascii', errors='replace'
                )
        from django import get_version
        c = {
            'is_email': self.is_email,
            'unicode_hint': unicode_hint,
            'frames': frames,
            'request': self.request,
            'filtered_POST': self.filter.get_post_parameters(self.request),
            'settings': get_safe_settings(),
            'sys_executable': sys.executable,
            'sys_version_info': '%d.%d.%d' % sys.version_info[0:3],
            'server_time': timezone.now(),
            'django_version_info': get_version(),
            'sys_path': sys.path,
            'template_info': self.template_info,
            'template_does_not_exist': self.template_does_not_exist,
            'postmortem': self.postmortem,
        }
        # Check whether exception info is available
        if self.exc_type:
            c['exception_type'] = self.exc_type.__name__
        if self.exc_value:
            c['exception_value'] = smart_text(self.exc_value, errors='replace')
        if frames:
            c['lastframe'] = frames[-1]
        return c