feat: add support for VEX (Fixes intel#1570)

cve_bin_tool/input_engine.py

@@ -23,6 +23,7 @@
 # TriageData is dictionary of cve_number mapped to dictionary of remarks, comments and custom severity
 TriageData = Dict[str, Union[Dict[str, Any], Set[str]]]
 
+
 class InputEngine:
     # parsed_data is a dictionary of vendor, product, version mapped to TriageData
     parsed_data: DefaultDict[ProductInfo, TriageData]
@@ -68,11 +69,11 @@ def input_json(self) -> None:
             self.parse_data(set(json_data[0].keys()), json_data)
 
     def validate_product(self, product: str) -> bool:
-        '''
+        """
         Ensure product name conforms to CPE 2.3 standard.
         See https://csrc.nist.gov/schema/cpe/2.3/cpe-naming_2.3.xsd for naming specification
-        '''
-        cpe_regex = "\A([A-Za-z0-9\._\-~ %])+\Z"
+        """
+        cpe_regex = r"\A([A-Za-z0-9\._\-~ %])+\Z"
         return re.search(cpe_regex, product) is not None
 
     def input_vex(self) -> None:

test/test_input_engine.py

@@ -164,4 +164,4 @@ def test_vex_file(self, filepath, parsed_data):
     )
     def test_valid_product_name(self, product, product_result):
         input_engine = InputEngine("temp.txt", error_mode=ErrorMode.FullTrace)
-        assert input_engine.validate_product(product) == product_result
+        assert input_engine.validate_product(product) == product_result