Merge pull request #17822 from github/tausbn/python-more-parser-fixes

Python: A few more parser fixes

python/extractor/semmle/python/parser/dump_ast.py

@@ -97,9 +97,27 @@ class AstDumper(object):
 
 
 class StdoutLogger(logging.Logger):
+    error_count = 0
     def log(self, level, fmt, *args):
         sys.stdout.write(fmt % args + "\n")
 
+    def info(self, fmt, *args):
+        self.log(logging.INFO, fmt, *args)
+
+    def warn(self, fmt, *args):
+        self.log(logging.WARN, fmt, *args)
+        self.error_count += 1
+
+    def error(self, fmt, *args):
+        self.log(logging.ERROR, fmt, *args)
+        self.error_count += 1
+
+    def had_errors(self):
+        return self.error_count > 0
+
+    def reset_error_count(self):
+        self.error_count = 0
+
 def old_parser(inputfile, logger):
     mod = PythonSourceModule(None, inputfile, logger)
     logger.close()

python/extractor/semmle/python/parser/tsg_parser.py

@@ -440,7 +440,7 @@ def concatenate_stringparts(stringparts, logger):
     try:
         return "".join(decode_str(stringpart.s) for stringpart in stringparts)
     except Exception as ex:
-        logger.error("Unable to concatenate string %s getting error %s", stringparts, ex)
+        logger.error("Unable to concatenate string {} getting error {}".format(stringparts, ex))
         return stringparts[0].s