Alright. We'll do our own thing then

src/compiler/generator_helpers.h

@@ -168,11 +168,10 @@ inline MethodType GetMethodType(
 
 inline void Split(const grpc::string& s, char delim,
                   std::vector<grpc::string>* append_to) {
-  auto current = s.begin();
+  std::istringstream iss(s);
-  while (current <= s.end()) {
+  grpc::string piece;
-    auto next = std::find(current, s.end(), delim);
+  while (std::getline(iss, piece)) {
-    append_to->emplace_back(current, next);
+    append_to->push_back(piece);
-    current = next + 1;
   }
 }
 

src/compiler/python_generator.cc

@@ -761,7 +761,7 @@ static bool ParseParameters(const grpc::string& parameter,
                             std::vector<grpc::string>* strip_prefixes,
                             grpc::string* error) {
   std::vector<grpc::string> comma_delimited_parameters;
-  grpc_generator::Split(parameter, ',', &comma_delimited_parameters);
+  grpc_python_generator::Split(parameter, ',', &comma_delimited_parameters);
   if (comma_delimited_parameters.empty()) {
     *grpc_version = "grpc_2_0";
   } else if (comma_delimited_parameters.size() == 1) {

src/compiler/python_generator_helpers.h

@@ -136,6 +136,16 @@ StringVector get_all_comments(const DescriptorType* descriptor) {
   return comments;
 }
 
+inline void Split(const grpc::string& s, char delim,
+                  std::vector<grpc::string>* append_to) {
+  auto current = s.begin();
+  while (current <= s.end()) {
+    auto next = std::find(current, s.end(), delim);
+    append_to->emplace_back(current, next);
+    current = next + 1;
+  }
+}
+
 }  // namespace
 
 }  // namespace grpc_python_generator