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authorFrederick Muriuki Muriithi2024-06-12 10:27:33 -0500
committerFrederick Muriuki Muriithi2024-06-12 10:27:33 -0500
commita2344e3697bbff14b82bdbe5fa08a1cbaea09cbc (patch)
tree6815384a34ac78ef8ab4d714f7b91f42140ccebe /qc_app
parent76eaf7c3ef2896f56bdc4b2ab154232df335ee8f (diff)
downloadgn-uploader-a2344e3697bbff14b82bdbe5fa08a1cbaea09cbc.tar.gz
Provide an input validation module.
Diffstat (limited to 'qc_app')
-rw-r--r--qc_app/input_validation.py27
1 files changed, 27 insertions, 0 deletions
diff --git a/qc_app/input_validation.py b/qc_app/input_validation.py
new file mode 100644
index 0000000..96c2f05
--- /dev/null
+++ b/qc_app/input_validation.py
@@ -0,0 +1,27 @@
+"""Input validation utilities"""
+from typing import Any
+
+def is_empty_string(value: str) -> bool:
+ """Check whether as string is empty"""
+ return (isinstance(value, str) and value.strip() == "")
+
+def is_empty_input(value: Any) -> bool:
+ """Check whether user provided an empty value."""
+ return (value is None or is_empty_string(value))
+
+def is_integer_input(value: Any) -> bool:
+ """
+ Check whether user provided a value that can be parsed into an integer.
+ """
+ def __is_int__(val, base):
+ try:
+ int(val, base=10)
+ except ValueError as verr:
+ return False
+ return True
+ return isinstance(value, int) or (
+ (not is_empty_input(value)) and (
+ isinstance(str) and (
+ __is_int__(value, 10)
+ or __is_int__(value, 8)
+ or __is_int__(value, 16))))