REF: to_buffer -> render, unify func signature

pandas/core/frame.py

@@ -2614,7 +2614,7 @@ def to_html(
             DataFrame.memory_usage: Memory usage of DataFrame columns."""
         ),
     )
-    @doc(BaseInfo.to_buffer)
+    @doc(BaseInfo.render)
     def info(
         self,
         verbose: Optional[bool] = None,
@@ -2627,7 +2627,7 @@ def info(
             data=self,
             memory_usage=memory_usage,
         )
-        info.to_buffer(
+        info.render(
             buf=buf,
             max_cols=max_cols,
             verbose=verbose,

pandas/core/series.py

@@ -4640,7 +4640,7 @@ def replace(
             Series.memory_usage: Memory usage of Series."""
         ),
     )
-    @doc(BaseInfo.to_buffer)
+    @doc(BaseInfo.render)
     def info(
         self,
         verbose: Optional[bool] = None,
@@ -4649,13 +4649,9 @@ def info(
         memory_usage: Optional[Union[bool, str]] = None,
         null_counts: bool = True,
     ) -> None:
-        if max_cols is not None:
-            raise ValueError(
-                "Argument `max_cols` can only be passed "
-                "in DataFrame.info, not Series.info"
-            )
-        return SeriesInfo(self, memory_usage).to_buffer(
+        return SeriesInfo(self, memory_usage).render(
             buf=buf,
+            max_cols=max_cols,
             verbose=verbose,
             show_counts=null_counts,
         )

pandas/io/formats/info.py

@@ -160,7 +160,14 @@ def size_qualifier(self) -> str:
         return size_qualifier
 
     @abstractmethod
-    def to_buffer():
+    def render(
+        self,
+        *,
+        buf: Optional[IO[str]],
+        max_cols: Optional[int],
+        verbose: Optional[bool],
+        show_counts: Optional[bool],
+    ) -> None:
         """
         Print a concise summary of a %(klass)s.
 
@@ -266,7 +273,7 @@ def memory_usage_bytes(self) -> int:
             deep = False
         return self.data.memory_usage(index=True, deep=deep).sum()
 
-    def to_buffer(
+    def render(
         self,
         *,
         buf: Optional[IO[str]],
@@ -296,15 +303,19 @@ def __init__(
         self.data: "Series" = data
         self.memory_usage = _initialize_memory_usage(memory_usage)
 
-    def to_buffer(
+    def render(
         self,
         *,
         buf: Optional[IO[str]],
+        max_cols: Optional[int],
         verbose: Optional[bool],
         show_counts: Optional[bool],
     ) -> None:
-        """
-        """
+        if max_cols is not None:
+            raise ValueError(
+                "Argument `max_cols` can only be passed "
+                "in DataFrame.info, not Series.info"
+            )
         printer = SeriesInfoPrinter(
             info=self,
             verbose=verbose,