def detect( cls, target_file, magic_helper, requested_type=None ): # compare with packrat-agent/packratAgent/JsonManager.py -> _splitFileName
filename = os.path.basename( target_file.name )
parts = filename.split( '.' )
if len( parts ) > 1 and parts[ -2 ] in COMPRESED_TYPE_LIST: # to deal with things like '.tar.??', 'img.??'
( filename, _, _ ) = filename.rsplit( '.', 2 )
type = parts[ -2 ]
else:
( filename, _ ) = filename.rsplit( '.', 1 )
type = parts[ -1 ]
try:
( package, version ) = filename.split( '_' )
except ValueError:
return None
type = type.lower()
if requested_type is not None:
if not name_regex.match( requested_type ):
raise ValueError( 'Invalid type' )
type = requested_type
elif type not in OTHER_TYPE_LIST:
type = 'resource'
return cls( filename, package, 'all', version, type )
def loadfile( self, target_file, distroversion, type ):
if type is not None and not name_regex.match( type ):
raise PackageException( 'INVALID_TYPE', 'Invalid type' )
info = infoDetect( target_file, type )
if info is None:
raise PackageException( 'UNKNOWN_TYPE', 'Unable to Determine File Type' )
try:
package = Package.objects.get( pk=info.package )
except Package.DoesNotExist:
raise PackageException( 'NO_PACKAGE', 'Unable to find package "{0}"'.format( info.package ) )
if distroversion not in info.distroversion_list:
raise PackageException( 'INVALID_DISTROVERSION', 'DistroVersion "{0}" is not an option for this file'.format( distroversion ) )
target_file.file.seek( 0 )
sha256 = hashlib.sha256()
while True:
buf = target_file.file.read( 4096 )
if not buf:
break
sha256.update( buf )
self.file = target_file
self.distroversion_id = distroversion
self.package = package
self.type = info.type
self.arch = info.arch
self.version = info.version
self.sha256 = sha256.hexdigest()
def clean(self, *args, **kwargs):
super().clean(*args, **kwargs)
errors = {}
if not name_regex.match(self.name):
errors['name'] = 'Invalid'
if errors:
raise ValidationError(errors)
def clean(self, *args, **kwargs):
super().clean(*args, **kwargs)
errors = {}
todo = [self]
visited = []
while todo:
current = todo.pop(0)
if current in visited:
continue
visited.append(current)
todo += current.required_list.all()
if self in todo:
errors[
'required'] = 'required tags recursivly refer back to this tag'
break
if not name_regex.match(self.name):
errors['name'] = 'Invalid'
if errors:
raise ValidationError(errors)