Add support for modifying files and file_set support (#4)

* Add support for modifying files and file_set support

* Bump version

* Updated file sets to use name everywhere

* Bump to 0.4.0

Author: hallacy

openai/api_resources/__init__.py

@@ -4,6 +4,7 @@
 from openai.api_resources.error_object import ErrorObject
 from openai.api_resources.event import Event
 from openai.api_resources.file import File
+from openai.api_resources.file_set import FileSet
 from openai.api_resources.higherlevel import HigherLevel
 from openai.api_resources.plan import Plan
 from openai.api_resources.run import Run

openai/api_resources/file.py

@@ -7,16 +7,14 @@
 import openai
 from openai import api_requestor, util
 from openai.api_resources.abstract import (
-    APIResource,
-    CreateableAPIResource,
     DeletableAPIResource,
     ListableAPIResource,
     UpdateableAPIResource,
 )
 from openai.util import log_info
 
 
-class File(ListableAPIResource):
+class File(ListableAPIResource, UpdateableAPIResource, DeletableAPIResource):
     OBJECT_NAME = "file"
 
     @classmethod

openai/api_resources/file_set.py

@@ -0,0 +1,44 @@
+from __future__ import absolute_import, division, print_function
+
+from openai import error, six, util
+from openai.six.moves.urllib.parse import quote_plus
+from openai.api_resources.abstract import (
+    CreateableAPIResource,
+    DeletableAPIResource,
+    ListableAPIResource,
+)
+
+
+class FileSet(
+    CreateableAPIResource,
+    ListableAPIResource,
+    DeletableAPIResource,
+):
+    OBJECT_NAME = "file_set"
+
+    def __init__(self, name, *args, **kwargs):
+        self.name = name
+        super().__init__(*args, name=self.name, **kwargs)
+
+    @classmethod
+    def retrieve(cls, name, api_key=None, request_id=None, **params):
+        instance = cls(name, api_key, **params)
+        instance.refresh(request_id=request_id)
+        return instance
+
+    def instance_url(self):
+        # file_sets are normally called by their name, not their id
+        name = self.get("name")
+
+        if not isinstance(name, six.string_types):
+            raise error.InvalidRequestError(
+                "Could not determine which URL to request: %s instance "
+                "has invalid ID: %r, %s. ID should be of type `str` (or"
+                " `unicode`)" % (type(self).__name__, name, type(name)),
+                "name",
+            )
+
+        id = util.utf8(name)
+        base = self.class_url()
+        extn = quote_plus(id)
+        return "%s/%s" % (base, extn)