Python code modernization, 5/n (#1165)

* Address raise-missing-from.

* Address simplifiable-if-expression.

* Address unnecessary-dunder-call.

* Address unnecessary-pass.

* Address use-list-literal.

* Address unused-variable.

* Address use-dict-literal.

plugins/module_utils/_api/utils/build.py

@@ -107,8 +107,8 @@ def create_archive(root, files=None, fileobj=None, gzip=False, extra_files=None)
             try:
                 with open(full_path, "rb") as f:
                     t.addfile(i, f)
-            except IOError:
-                raise IOError(f"Can not read file in context: {full_path}")
+            except IOError as exc:
+                raise IOError(f"Can not read file in context: {full_path}") from exc
         else:
             # Directories, FIFOs, symlinks... do not need to be read.
             t.addfile(i, None)

plugins/module_utils/_api/utils/json_stream.py

@@ -85,4 +85,4 @@ def split_buffer(stream, splitter=None, decoder=lambda a: a):
         try:
             yield decoder(buffered)
         except Exception as e:
-            raise StreamParseError(e)
+            raise StreamParseError(e) from e

plugins/module_utils/_api/utils/utils.py

@@ -420,10 +420,10 @@ def parse_bytes(s):
     if suffix in units or suffix.isdigit():
         try:
             digits = float(digits_part)
-        except ValueError:
+        except ValueError as exc:
             raise errors.DockerException(
                 f"Failed converting the string value for memory ({digits_part}) to an integer."
-            )
+            ) from exc
 
         # Reconvert to long for the final result
         s = int(digits * units[suffix])