move barcodes

InvenTree/plugin/builtin/barcodes/mixins.py

@@ -1,146 +0,0 @@
-"""
-Plugin mixin classes for barcode plugin
-"""
-import string
-import hashlib
-
-from stock.models import StockItem
-from stock.serializers import StockItemSerializer, LocationSerializer
-from part.serializers import PartSerializer
-
-
-def hash_barcode(barcode_data):
-    """
-    Calculate an MD5 hash of barcode data.
-
-    HACK: Remove any 'non printable' characters from the hash,
-          as it seems browers will remove special control characters...
-
-    TODO: Work out a way around this!
-    """
-
-    barcode_data = str(barcode_data).strip()
-
-    printable_chars = filter(lambda x: x in string.printable, barcode_data)
-
-    barcode_data = ''.join(list(printable_chars))
-
-    result_hash = hashlib.md5(str(barcode_data).encode())
-    return str(result_hash.hexdigest())
-
-
-class BarcodeMixin:
-    """
-    Mixin that enables barcode handeling
-    Custom barcode plugins should use and extend this mixin as necessary.
-    """
-    ACTION_NAME = ""
-
-    class MixinMeta:
-        """
-        meta options for this mixin
-        """
-        MIXIN_NAME = 'Barcode'
-
-    def __init__(self):
-        super().__init__()
-        self.add_mixin('barcode', 'has_barcode', __class__)
-
-    @property
-    def has_barcode(self):
-        """
-        Does this plugin have everything needed to process a barcode
-        """
-        return True
-
-    def init(self, barcode_data):
-        """
-        Initialize the BarcodePlugin instance
-
-        Args:
-            barcode_data - The raw barcode data
-        """
-
-        self.data = barcode_data
-
-    def getStockItem(self):
-        """
-        Attempt to retrieve a StockItem associated with this barcode.
-        Default implementation returns None
-        """
-
-        return None  # pragma: no cover
-
-    def getStockItemByHash(self):
-        """
-        Attempt to retrieve a StockItem associated with this barcode,
-        based on the barcode hash.
-        """
-
-        try:
-            item = StockItem.objects.get(uid=self.hash())
-            return item
-        except StockItem.DoesNotExist:
-            return None
-
-    def renderStockItem(self, item):
-        """
-        Render a stock item to JSON response
-        """
-
-        serializer = StockItemSerializer(item, part_detail=True, location_detail=True, supplier_part_detail=True)
-        return serializer.data
-
-    def getStockLocation(self):
-        """
-        Attempt to retrieve a StockLocation associated with this barcode.
-        Default implementation returns None
-        """
-
-        return None  # pragma: no cover
-
-    def renderStockLocation(self, loc):
-        """
-        Render a stock location to a JSON response
-        """
-
-        serializer = LocationSerializer(loc)
-        return serializer.data
-
-    def getPart(self):
-        """
-        Attempt to retrieve a Part associated with this barcode.
-        Default implementation returns None
-        """
-
-        return None  # pragma: no cover
-
-    def renderPart(self, part):
-        """
-        Render a part to JSON response
-        """
-
-        serializer = PartSerializer(part)
-        return serializer.data
-
-    def hash(self):
-        """
-        Calculate a hash for the barcode data.
-        This is supposed to uniquely identify the barcode contents,
-        at least within the bardcode sub-type.
-
-        The default implementation simply returns an MD5 hash of the barcode data,
-        encoded to a string.
-
-        This may be sufficient for most applications, but can obviously be overridden
-        by a subclass.
-
-        """
-
-        return hash_barcode(self.data)
-
-    def validate(self):
-        """
-        Default implementation returns False
-        """
-        return False  # pragma: no cover