Merge pull request #3 from Patch-Code-Prosperity/Cfomodz-utils-1

Update and rename api_utilities.py to utilities.py

Author: Cfomodz

api_utilities.py

@@ -0,0 +1,26 @@
+# utilities.py
+
+import datetime
+
+def clean_params(params):
+    """Remove None values from a dictionary of parameters."""
+    return {k: v for k, v in params.items() if v is not None}
+
+def convert_time(dt=None, format_type="8601"):
+    """Convert datetime objects into a string format according to a specified type."""
+    if dt is None:
+        return None
+
+    formats = {
+        "8601": lambda x: x.isoformat()[:-3] + 'Z',  # ISO8601 format
+        "epoch": lambda x: int(x.timestamp() * 1000),  # Epoch time in milliseconds
+        "YYYY-MM-DD": lambda x: x.strftime("%Y-%m-%d")  # Custom Schwab Options date format
+    }
+    formatter = formats.get(format_type, str)
+    return formatter(dt)
+
+def format_list(items):
+    """Convert a list of items into a comma-separated string or return single item as string."""
+    if items is None:
+        return None
+    return ",".join(items) if isinstance(items, list) else str(items)