f1c704e3e1
Additionally remove unused template tags. Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>
275 lines
7.5 KiB
Python
275 lines
7.5 KiB
Python
from __future__ import unicode_literals
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import hashlib
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from django.apps import apps
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from django.db import models
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from django.template.response import TemplateResponse
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from django.urls import reverse
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from django.utils.encoding import force_text, python_2_unicode_compatible
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from django.utils.translation import ugettext
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from .settings import setting_home_view
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@python_2_unicode_compatible
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class ErrorLogNamespace(object):
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def __init__(self, name, label=None):
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self.name = name
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self.label = label or name
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def __str__(self):
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return force_text(self.label)
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def all(self):
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ErrorLogEntry = apps.get_model(
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app_label='common', model_name='ErrorLogEntry'
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)
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return ErrorLogEntry.objects.filter(namespace=self.name)
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def create(self, obj, result):
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obj.error_logs.create(namespace=self.name, result=result)
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class MissingItem(object):
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_registry = []
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@classmethod
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def get_all(cls):
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return cls._registry
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def __init__(self, label, condition, description, view):
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self.label = label
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self.condition = condition
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self.description = description
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self.view = view
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self.__class__._registry.append(self)
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@python_2_unicode_compatible
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class ModelAttribute(object):
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_registry = {}
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@classmethod
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def get_choices_for(cls, model):
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return [
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(attribute.name, attribute) for attribute in cls.get_for(model=model)
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]
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@classmethod
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def get_for(cls, model):
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try:
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return cls._registry[model]
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except KeyError:
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# We were passed a model instance, try again using the model of
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# the instance
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# If we are already in the model class, exit with an error
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if model.__class__ == models.base.ModelBase:
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raise
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return cls.get_for(model=type(model))
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@classmethod
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def get_help_text_for(cls, model, show_name=False):
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result = []
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for count, attribute in enumerate(cls.get_for(model=model), 1):
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result.append(
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'{}) {}'.format(
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count, force_text(attribute.get_display(show_name=show_name))
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)
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)
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return ' '.join(
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[ugettext('Available attributes: \n'), '\n'.join(result)]
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)
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def __init__(self, model, name, label=None, description=None):
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self.model = model
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self.label = label
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self.name = name
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self.description = description
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self._registry.setdefault(model, [])
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self._registry[model].append(self)
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def __str__(self):
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return self.get_display()
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def get_display(self, show_name=False):
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if self.description:
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return '{} - {}'.format(
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self.name if show_name else self.label, self.description
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)
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else:
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return force_text(self.name if show_name else self.label)
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class ModelField(ModelAttribute):
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"""Subclass to handle model database fields"""
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_registry = {}
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@classmethod
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def get_help_text_for(cls, model, show_name=False):
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result = []
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for count, model_field in enumerate(cls.get_for(model=model), 1):
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result.append(
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'{}) {} - {}'.format(
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count,
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model_field.name if show_name else model_field.label,
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model_field.description
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)
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)
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return ' '.join(
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[ugettext('Available fields: \n'), '\n'.join(result)]
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)
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def __init__(self, *args, **kwargs):
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super(ModelField, self).__init__(*args, **kwargs)
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self._final_model_verbose_name = None
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if not self.label:
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self.label = self.get_field_attribute(
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attribute='verbose_name'
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)
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if self.label != self._final_model_verbose_name:
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self.label = '{} {}'.format(
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self._final_model_verbose_name, self.label
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)
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if not self.description:
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self.description = self.get_field_attribute(
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attribute='help_text'
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)
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def get_field_attribute(self, attribute, model=None, field_name=None):
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if not model:
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model = self.model
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if not field_name:
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field_name = self.name
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parts = field_name.split('__')
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if len(parts) > 1:
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return self.get_field_attribute(
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model=model._meta.get_field(parts[0]).related_model,
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field_name='__'.join(parts[1:]), attribute=attribute
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)
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else:
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self._final_model_verbose_name = model._meta.verbose_name
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return getattr(
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model._meta.get_field(field_name=field_name),
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attribute
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)
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class ModelProperty(object):
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_registry = []
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@classmethod
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def get_choices_for(cls, model):
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result = []
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for klass in cls._registry:
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result.extend(klass.get_choices_for(model=model))
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return result
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@classmethod
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def get_for(cls, model):
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result = []
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for klass in cls._registry:
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result.extend(klass.get_for(model=model))
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return result
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@classmethod
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def get_help_text_for(cls, model, show_name=False):
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result = []
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for klass in cls._registry:
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result.append(
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klass.get_help_text_for(model=model, show_name=show_name)
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)
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return '\n'.join(result)
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@classmethod
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def register(cls, klass):
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cls._registry.append(klass)
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class PropertyHelper(object):
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"""
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Makes adding fields using __class__.add_to_class easier.
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Each subclass must implement the `constructor` and the `get_result`
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method.
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"""
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@staticmethod
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@property
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def constructor(source_object):
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return PropertyHelper(source_object)
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def __init__(self, instance):
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self.instance = instance
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def __getattr__(self, name):
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return self.get_result(name=name)
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def get_result(self, name):
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"""
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The method that produces the actual result. Must be implemented
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by each subclass.
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"""
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raise NotImplementedError
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class Template(object):
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_registry = {}
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@classmethod
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def all(cls, rendered=False, request=None):
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if not rendered:
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return cls._registry.values()
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else:
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result = []
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for template in cls._registry.values():
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result.append(template.render(request=request))
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return result
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@classmethod
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def get(cls, name):
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return cls._registry[name]
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def __init__(self, name, template_name):
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self.name = name
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self.template_name = template_name
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self.__class__._registry[name] = self
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def get_absolute_url(self):
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return reverse(
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kwargs={'name': self.name}, viewname='rest_api:template-detail'
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)
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def render(self, request):
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context = {
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'home_view': setting_home_view.value,
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}
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result = TemplateResponse(
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request=request,
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template=self.template_name,
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context=context,
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).render()
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# Calculate the hash of the bytes version but return the unicode
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# version
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self.html = result.rendered_content.replace('\n', '')
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self.hex_hash = hashlib.sha256(result.content).hexdigest()
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return self
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ModelProperty.register(klass=ModelAttribute)
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ModelProperty.register(klass=ModelField)
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