refactor: allow access to vyper-json via vyper-compile

vyper/cli/vyper_compile.py

@@ -8,6 +8,7 @@
 from typing import Dict, Iterable, Iterator, Sequence, Set, TypeVar
 
 import vyper
+from vyper.cli import vyper_json
 from vyper.cli.utils import extract_file_interface_imports
 from vyper.opcodes import DEFAULT_EVM_VERSION, EVM_VERSIONS
 from vyper.parser import parser_utils
@@ -50,9 +51,13 @@ def _parse_cli_args():
 
 
 def _parse_args(argv):
-
     warnings.simplefilter("always")
 
+    if "--standard-json" in argv:
+        argv.remove("--standard-json")
+        vyper_json._parse_args(argv)
+        return
+
     parser = argparse.ArgumentParser(
         description="Pythonic Smart Contract Language for the EVM",
         formatter_class=argparse.RawTextHelpFormatter,
@@ -81,6 +86,11 @@ def _parse_args(argv):
         help="Set the traceback limit for error messages reported by the compiler",
         type=int,
     )
+    parser.add_argument(
+        "--standard-json",
+        help="Switch to standard JSON mode. Use `--standard-json -h` for available options.",
+        action="store_true",
+    )
     parser.add_argument(
         "-p", help="Set the root path for contract imports", default=".", dest="root_folder"
     )
@@ -229,3 +239,7 @@ def compile_files(
         compiler_data["version"] = vyper.__version__
 
     return compiler_data
+
+
+if __name__ == "__main__":
+    _parse_args(sys.argv[1:])