add too-few-function-args to docs

Author: rogersheu

doc/data/messages/t/too-few-function-args/bad.py

@@ -0,0 +1,7 @@
+class Fruit:
+    def __init__(self, color, name):
+        self.color = color
+        self.name = name
+
+
+apple = Fruit("red")  # [too-few-function-args]

doc/data/messages/t/too-few-function-args/good.py

@@ -0,0 +1,7 @@
+class Fruit:
+    def __init__(self, color, name):
+        self.color = color
+        self.name = name
+
+
+apple = Fruit("red", "apple")

pylint/checkers/typecheck.py

@@ -255,7 +255,7 @@ def _missing_member_hint(
         "Used when a function call passes too few arguments.",
     ),
     "E1121": (
-        "Too many positional arguments (%s/%s)",
+        "Too many positional arguments for function `%s` (%s/%s)",
         "too-many-function-args",
         "Used when a function call passes too many positional arguments.",
     ),
@@ -378,7 +378,7 @@ def _missing_member_hint(
         "a custom __getitem__ method.",
     ),
     "E1145": (
-        "Too few positional arguments (%s/%s)",
+        "Too few positional arguments for function `%s` (%s/%s)",
         "too-few-function-args",
         "Used when a function or method has fewer arguments than expected.",
     ),
@@ -1430,14 +1430,14 @@ def _check_isinstance_args(self, node: nodes.Call) -> None:
             self.add_message(
                 "too-many-function-args",
                 node=node,
-                args=(len(node.args), 2),
+                args=("isinstance", len(node.args), 2),
                 confidence=HIGH,
             )
         elif len(node.args) < 2:
             self.add_message(
                 "too-few-function-args",
                 node=node,
-                args=(len(node.args), 2),
+                args=("isinstance", len(node.args), 2),
                 confidence=HIGH,
             )
             return
@@ -1574,7 +1574,7 @@ def visit_call(self, node: nodes.Call) -> None:
                 self.add_message(
                     "too-many-function-args",
                     node=node,
-                    args=(len(parameters), num_positional_args),
+                    args=(callable_name, len(parameters), num_positional_args),
                 )
                 break
 

tests/functional/t/too/too_few_function_args.txt

@@ -1 +1 @@
-too-few-function-args:3:0:3:13::Too few positional arguments (1/2):HIGH
+too-few-function-args:3:0:3:13::Too few positional arguments for function `isinstance` (1/2):HIGH

tests/functional/t/too/too_many_function_args.txt

@@ -1,3 +1,3 @@
-too-many-function-args:23:0:23:23::Too many positional arguments (3/2):HIGH
+too-many-function-args:23:0:23:23::Too many positional arguments for function `isinstance` (3/2):HIGH
 isinstance-second-argument-not-valid-type:24:0:24:21::Second argument of isinstance is not a type:INFERENCE
-too-many-function-args:24:0:24:21::Too many positional arguments (3/2):HIGH
+too-many-function-args:24:0:24:21::Too many positional arguments for function `isinstance` (3/2):HIGH