From b8e6d5f839e090170fd20a949f0467bcf8b27246 Mon Sep 17 00:00:00 2001
From: KOLANICH <kolan_n@mail.ru>
Date: Tue, 28 Feb 2023 21:12:13 +0300
Subject: [PATCH] Replace JS-implemented esprima-serializer with `escodegen`
 python package, which is claimed to be a rewrite of `jscodegen` into Python.

---
 opener/__main__.py | 22 +++++++++-------------
 opener/codegen.js  | 23 -----------------------
 2 files changed, 9 insertions(+), 36 deletions(-)
 delete mode 100755 opener/codegen.js

diff --git a/opener/__main__.py b/opener/__main__.py
index 6fd2fc9..2140f31 100644
--- a/opener/__main__.py
+++ b/opener/__main__.py
@@ -63,18 +63,6 @@ def usage(*, exit: bool, error: bool):
         sys.exit(int(error))
 
 
-def run_codegen_js(ast_dict: dict):
-    path = pkg_resources.resource_filename(__name__, "codegen.js")
-    proc = subprocess.Popen(
-        ["node", path],
-        stdin=subprocess.PIPE,
-        encoding="utf8",
-    )
-    json.dump(ast_dict, proc.stdin, cls=JsonEncoder)
-    proc.stdin.close()
-    proc.wait()
-
-
 def main():
     positional_args = []
     temp_prefix = DEFAULT_TEMP_PREFIX
@@ -147,7 +135,15 @@ def main():
     else:
         if verbose:
             print("Formatting code...", file=sys.stderr)
-        run_codegen_js(ast_dict)
+
+        try:
+            import escodegen
+        except ImportError:
+            from warnings import warn
+            warn("jscodegen has some issues and produces incorrect results (at least the version in the upstream repo when this remark was added here), better use https://github.com/0o120/escodegen-python")
+            import jscodegen as escodegen
+
+        print(escodegen.generate(ast_dict))
 
 
 if __name__ == "__main__":
diff --git a/opener/codegen.js b/opener/codegen.js
deleted file mode 100755
index fefad01..0000000
--- a/opener/codegen.js
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/usr/bin/env node
-/*
- * Copyright (C) 2021 taylor.fish <contact@taylor.fish>
- *
- * This file is part of Opener.
- *
- * Opener is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published
- * by the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Opener is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with Opener. If not, see <https://www.gnu.org/licenses/>.
- */
-
-const escodegen = require("escodegen");
-const fs = require("fs");
-console.log(escodegen.generate(JSON.parse(fs.readFileSync(0, "utf8"))));