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https://github.com/netbox-community/netbox.git
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0cff4c9795
* 14799 fix script creation from data-source * 14799 dont cache module_scripts * 14799 fix sync_classes call
108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
import logging
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import os
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.db import models
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from django.urls import reverse
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from django.utils.translation import gettext as _
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from ..choices import ManagedFileRootPathChoices
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from netbox.models.features import SyncedDataMixin
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from utilities.querysets import RestrictedQuerySet
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__all__ = (
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'ManagedFile',
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)
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logger = logging.getLogger('netbox.core.files')
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class ManagedFile(SyncedDataMixin, models.Model):
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"""
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Database representation for a file on disk. This class is typically wrapped by a proxy class (e.g. ScriptModule)
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to provide additional functionality.
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"""
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created = models.DateTimeField(
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verbose_name=_('created'),
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auto_now_add=True
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)
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last_updated = models.DateTimeField(
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verbose_name=_('last updated'),
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editable=False,
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blank=True,
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null=True
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)
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file_root = models.CharField(
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verbose_name=_('file root'),
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max_length=1000,
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choices=ManagedFileRootPathChoices
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)
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file_path = models.FilePathField(
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verbose_name=_('file path'),
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editable=False,
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help_text=_('File path relative to the designated root path')
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)
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objects = RestrictedQuerySet.as_manager()
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_netbox_private = True
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class Meta:
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ordering = ('file_root', 'file_path')
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constraints = (
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models.UniqueConstraint(
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fields=('file_root', 'file_path'),
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name='%(app_label)s_%(class)s_unique_root_path'
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),
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)
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indexes = [
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models.Index(fields=('file_root', 'file_path'), name='core_managedfile_root_path'),
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]
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verbose_name = _('managed file')
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verbose_name_plural = _('managed files')
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def __str__(self):
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return self.name
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def get_absolute_url(self):
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return reverse('core:managedfile', args=[self.pk])
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@property
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def name(self):
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return self.file_path
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@property
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def full_path(self):
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return os.path.join(self._resolve_root_path(), self.file_path)
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def _resolve_root_path(self):
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return {
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'scripts': settings.SCRIPTS_ROOT,
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'reports': settings.REPORTS_ROOT,
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}[self.file_root]
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def sync_data(self):
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if self.data_file:
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self.file_path = os.path.basename(self.data_path)
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self.data_file.write_to_disk(self.full_path, overwrite=True)
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def clean(self):
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super().clean()
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if self.data_file and not self.file_path:
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self.file_path = os.path.basename(self.data_path)
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# Ensure that the file root and path make a unique pair
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if self._meta.model.objects.filter(file_root=self.file_root, file_path=self.file_path).exclude(pk=self.pk).exists():
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raise ValidationError(
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f"A {self._meta.verbose_name.lower()} with this file path already exists ({self.file_root}/{self.file_path}).")
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def delete(self, *args, **kwargs):
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# Delete file from disk
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try:
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os.remove(self.full_path)
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except FileNotFoundError:
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pass
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return super().delete(*args, **kwargs)
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