本地实现records和tablib

common/tablib/registry.py

@@ -0,0 +1,28 @@
+""" Tablib - formats
+"""
+from collections import OrderedDict
+from .format import JSONFormat, CSVFormat
+
+
+class Registry:
+    _formats = OrderedDict()
+
+    def register(self, key, format_or_path):
+        # Create Databook.<format> read or read/write properties
+
+        # Create Dataset.<format> read or read/write properties,
+        # and Dataset.get_<format>/set_<format> methods.
+        self._formats[key] = format_or_path
+
+    def register_builtins(self):
+        # Registration ordering matters for autodetection.
+        self.register('csv', CSVFormat())
+        self.register('json', JSONFormat())
+
+    def get_format(self, key):
+        if key not in self._formats:
+            raise Exception("OneForAll has no format '%s'." % key)
+        return self._formats[key]
+
+
+registry = Registry()