TR updates, first round

Author: lpozo

python-raise-exception/api.py

@@ -10,7 +10,7 @@ def call_external_api(url):
         response = requests.get(url)
         response.raise_for_status()
         data = response.json()
-    except requests.exceptions.RequestException as error:
+    except requests.RequestException as error:
         raise APIError(f"{error}") from None
     return data
 

python-raise-exception/devide.py

@@ -1,6 +1,6 @@
 def divide(x, y):
     for arg in (x, y):
-        if not isinstance(arg, (int, float)):
+        if not isinstance(arg, int | float):
             raise TypeError(f"number expected, got {type(arg).__name__}")
     if y == 0:
         raise ValueError("denominator can't be zero")

python-raise-exception/devide2.py

@@ -0,0 +1,9 @@
+class MathLibraryError(Exception):
+    pass
+
+
+def divide(a, b):
+    try:
+        return a / b
+    except ZeroDivisionError as ex:
+        raise MathLibraryError(ex)

python-raise-exception/group.py

@@ -13,3 +13,16 @@
     print("Handling TypeError")
 except* KeyError:
     print("Handling KeyError")
+
+
+try:
+    raise ExceptionGroup(
+        "several errors",
+        [
+            ValueError("invalid value"),
+            TypeError("invalid type"),
+            KeyError("missing key"),
+        ],
+    )
+except ExceptionGroup:
+    print("Got an exception group!")

python-raise-exception/square.py

@@ -1,6 +1,6 @@
 def squared(numbers):
     if not isinstance(numbers, list | tuple):
         raise TypeError(
-            f'list or tuple expected, got "{type(numbers).__name__}"'
+            f"list or tuple expected, got '{type(numbers).__name__}'"
         )
     return [number**2 for number in numbers]