Refactoring

httpie/cli/dicts.py

@@ -0,0 +1,53 @@
+from collections import OrderedDict
+
+from requests.structures import CaseInsensitiveDict
+
+
+class RequestHeadersDict(CaseInsensitiveDict):
+    """
+    Headers are case-insensitive and multiple values are currently not supported.
+
+    """
+
+
+class RequestJSONDataDict(OrderedDict):
+    pass
+
+
+class MultiValueOrderedDict(OrderedDict):
+    """Multi-value dict for URL parameters and form data."""
+
+    def __setitem__(self, key, value):
+        """
+        If `key` is assigned more than once, `self[key]` holds a
+        `list` of all the values.
+
+        This allows having multiple fields with the same name in form
+        data and URL params.
+
+        """
+        assert not isinstance(value, list)
+        if key not in self:
+            super().__setitem__(key, value)
+        else:
+            if not isinstance(self[key], list):
+                super().__setitem__(key, [self[key]])
+            self[key].append(value)
+
+
+class RequestQueryParamsDict(MultiValueOrderedDict):
+    pass
+
+
+class RequestDataDict(MultiValueOrderedDict):
+
+    def items(self):
+        for key, values in super(MultiValueOrderedDict, self).items():
+            if not isinstance(values, list):
+                values = [values]
+            for value in values:
+                yield key, value
+
+
+class RequestFilesDict(RequestDataDict):
+    pass