Files
Netbox-Documentation/netbox_documentation/models.py
T

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3.8 KiB
Python

from django.contrib.contenttypes.fields import GenericForeignKey
from django.contrib.contenttypes.models import ContentType
from django.db import models
from django.urls import reverse
from netbox.models import NetBoxModel
BODY_FORMAT_CHOICES = (("html", "Rich Text"), ("markdown", "Markdown"))
class Document(NetBoxModel):
title = models.CharField(max_length=200)
slug = models.SlugField(max_length=200, unique=True)
body = models.TextField(blank=True, help_text="Markdown")
body_format = models.CharField(max_length=10, choices=BODY_FORMAT_CHOICES, default="html")
summary = models.CharField(max_length=500, blank=True)
is_published = models.BooleanField(default=True)
class Meta:
ordering = ("title",)
permissions = (("import_document", "Can import office documents"),)
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse("plugins:netbox_documentation:document", args=[self.pk])
def rendered_body(self):
"""Render Markdown/HTML and remove executable or unsafe markup."""
import bleach
from bleach.css_sanitizer import CSSSanitizer
from markdown import markdown
value = markdown(self.body, extensions=("extra", "sane_lists")) if self.body_format == "markdown" else self.body
tags = {
"a", "abbr", "blockquote", "br", "caption", "code", "col", "colgroup", "div",
"em", "h1", "h2", "h3", "h4", "h5", "h6", "hr", "img", "li", "ol", "p",
"pre", "span", "strong", "sub", "sup", "table", "tbody", "td", "tfoot", "th",
"thead", "tr", "u", "ul",
}
attributes = {
"a": ("href", "title", "target", "rel"),
"img": ("src", "alt", "title", "width", "height"),
"table": ("class", "style"),
"th": ("colspan", "rowspan", "scope", "style"),
"td": ("colspan", "rowspan", "style"),
"col": ("span", "style"),
"*": ("class", "style"),
}
css = CSSSanitizer(allowed_css_properties={
"background-color", "border", "border-color", "border-style", "border-width",
"color", "font-family", "font-size", "font-style", "font-weight", "height",
"margin-left", "text-align", "text-decoration", "vertical-align", "width",
})
return bleach.clean(value, tags=tags, attributes=attributes, protocols=("http", "https", "mailto"), css_sanitizer=css)
class DocumentAssignment(NetBoxModel):
document = models.ForeignKey(Document, on_delete=models.CASCADE, related_name="assignments")
assigned_object_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
assigned_object_id = models.PositiveBigIntegerField()
assigned_object = GenericForeignKey("assigned_object_type", "assigned_object_id")
note = models.CharField(max_length=200, blank=True)
class Meta:
ordering = ("document", "assigned_object_type", "assigned_object_id")
constraints = [models.UniqueConstraint(
fields=("document", "assigned_object_type", "assigned_object_id"),
name="%(app_label)s_%(class)s_unique_assignment",
)]
def __str__(self):
return f"{self.document}{self.assigned_object}"
def attachment_upload_path(instance, filename):
return f"netbox_documentation/{instance.document_id}/{filename}"
class DocumentAttachment(NetBoxModel):
document = models.ForeignKey(Document, on_delete=models.CASCADE, related_name="attachments")
file = models.FileField(upload_to=attachment_upload_path)
original_name = models.CharField(max_length=255)
content_type = models.CharField(max_length=100, blank=True)
size = models.PositiveBigIntegerField(default=0)
class Meta:
ordering = ("original_name",)
def __str__(self):
return self.original_name