Add more supported extensions to engines in ExcelFile. Reflect changes on the documentation

Author: miguelmarques1904

pandas/io/excel/_base.py

@@ -34,7 +34,7 @@
     """
 Read an Excel file into a pandas DataFrame.
 
-Supports `xls`, `xlsx`, `xlsm`, `xlsb`, and `odf` file extensions
+Supports `xls`, `xlsx`, `xlsm`, `xlsb`, `odf`, `ods` and `odt` file extensions
 read from a local filesystem or URL. Supports an option to read
 a single sheet or a list of sheets.
 
@@ -105,9 +105,9 @@
     If io is not a buffer or path, this must be set to identify io.
     Acceptable values are None, "auto", "xlrd", "openpyxl", "odf", or "pyxlsb".
     File compatibility:
-    "xlrd" engine supports .xls, and .xlsx files.
-    "openpyxl" engine supports .xlsx, .xlsm, .xltx, and .xltm files.
-    "odf" engine supports .odf files.
+    "xlrd" engine supports .xls, .xlsx, and .xlsm files.
+    "openpyxl" engine supports .xlsx, and .xlsm files.
+    "odf" engine supports .odf, .ods, and .odt files.
     "pyxlsb" engine supports .xlsb files.
 converters : dict, default None
     Dict of functions for converting values in certain columns. Keys can
@@ -802,9 +802,9 @@ class ExcelFile:
         Acceptable values are None, ``auto``, ``xlrd``, ``openpyxl``,
         ``odf``, or ``pyxlsb``.
         File compatibility:
-        ``xlrd`` engine supports .xls, and .xlsx files.
-        ``openpyxl`` engine supports .xlsx, .xlsm, .xltx, and .xltm files.
-        ``odf`` engine supports .odf files.
+        ``xlrd`` engine supports .xls, .xlsx, and .xlsm files.
+        ``openpyxl`` engine supports .xlsx, and .xlsm files.
+        ``odf`` engine supports .odf, .ods, and .odt files.
         ``pyxlsb`` engine supports .xlsb files.
     """
 
@@ -820,10 +820,12 @@ class ExcelFile:
         "pyxlsb": _PyxlsbReader,
     }
 
+    # Excel templates are not supported by read_excel according to the
+    #  documentation, but openpyxl specifies them as supported.
     _supported_engine_filetypes = {
-        "xlrd": ["xls", "xlsx"],
+        "xlrd": ["xls", "xlsx", "xlsm"],
         "openpyxl": ["xlsx", "xlsm", "xltx", "xltm"],
-        "odf": ["odf"],
+        "odf": ["odf", "ods", "odt"],
         "pyxlsb": ["xlsb"],
     }
 
@@ -834,13 +836,15 @@ def __init__(self, io, engine=None):
             raise ValueError(f"Unknown engine: {engine}")
 
         self.engine = engine
-        # could be a str, ExcelFile, Book, etc.
+
+        # 'io' could be a str, ExcelFile, Book, etc.
+        if isinstance(io, str):
+            # Check engine-extension compatibility
+            ext = os.path.splitext(io)[-1][1:]
+            self.check_extension(engine, ext)
         self.io = io
         # Always a string
         self._io = stringify_path(io)
-        # Check engine-extension compatibility
-        ext = os.path.splitext(io)[-1][1:]
-        self.check_extension(engine, ext)
 
         self._reader = self._engines[engine](self._io)