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* django1.11: (152 commits) request.raw_post_data -> request.body (django 1.6) Upgrading pgbouncer to 1.15.0. Finishing off Postgresql 13 upgrade. Upgrading to Postgresql 13. Ubuntu 20.04 Fixing supervisor path issues Upgrading setuptools Fixing flask Handling over capacity for twitter. Max length for image_urls. Properly filtering newsletter feeds. Fixing issue with text importer on feed-less urls. Removing dependency, fixing encoding issue for pages. Fixing DB Monitor. Updating User Agent for all fetchers. Ignoring VSCode. Fixing DB Monitor. Updating User Agent for all fetchers. Ignoring VSCode. Fixing Statistics by fixing how timezones are handled. ...
98 lines
3.5 KiB
Python
98 lines
3.5 KiB
Python
from django.http import Http404, HttpResponse
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from django.shortcuts import render
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from utils import json_functions as json
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import functools
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def get_argument_or_404(request, param, method='POST', code='404'):
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try:
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return getattr(request, method)[param]
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except KeyError:
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if code == '404':
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raise Http404
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else:
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return
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def render_to(template):
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"""
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Decorator for Django views that sends returned dict to render function.
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If view doesn't return dict then decorator simply returns output.
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Additionally view can return two-tuple, which must contain dict as first
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element and string with template name as second. This string will
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override template name, given as parameter
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Parameters:
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- template: template name to use
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"""
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def renderer(func):
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def wrapper(request, *args, **kw):
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output = func(request, *args, **kw)
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if isinstance(output, (list, tuple)):
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return render(request, output[1], output[0])
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elif isinstance(output, dict):
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return render(request, template, output)
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return output
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return wrapper
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return renderer
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def is_true(value):
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if value == 1:
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return True
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return bool(value) and isinstance(value, str) and value.lower() not in ('false', '0')
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class required_params(object):
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"Instances of this class can be used as decorators"
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def __init__(self, *args, **kwargs):
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self.params = args
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self.named_params = kwargs
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self.method = kwargs.get('method', 'POST')
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def __call__(self, fn):
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def wrapper(request, *args, **kwargs):
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return self.view_wrapper(request, fn, *args, **kwargs)
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functools.update_wrapper(wrapper, fn)
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return wrapper
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def view_wrapper(self, request, fn, *args, **kwargs):
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if request.method != self.method and self.method != 'REQUEST':
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return self.disallowed(method=True, status_code=405)
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# Check if parameter is included
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for param in self.params:
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if getattr(request, self.method).get(param) is None:
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print(" Unnamed parameter not found: %s" % param)
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return self.disallowed(param)
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# Check if parameter is correct type
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for param, param_type in list(self.named_params.items()):
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if param == "method": continue
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if getattr(request, self.method).get(param) is None:
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print(" Typed parameter not found: %s" % param)
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return self.disallowed(param)
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try:
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if param_type(getattr(request, self.method).get(param)) is None:
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print(" Typed parameter wrong: %s" % param)
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return self.disallowed(param, param_type)
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except (TypeError, ValueError) as e:
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print(" %s -> %s" % (param, e))
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return self.disallowed(param, param_type)
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return fn(request, *args, **kwargs)
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def disallowed(self, param=None, param_type=None, method=False, status_code=400):
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if method:
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message = "Invalid HTTP method. Use %s." % self.method
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elif param_type:
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message = "Invalid paramter: %s - needs to be %s" % (
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param,
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param_type,
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)
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else:
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message = "Missing parameter: %s" % param
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return HttpResponse(json.encode({
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'message': message,
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'code': -1,
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}), content_type="application/json", status=status_code)
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