README.md edited

.venv/lib/python3.10/site-packages/django/db/backends/postgresql/client.py

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+import signal
+
+from django.db.backends.base.client import BaseDatabaseClient
+
+
+class DatabaseClient(BaseDatabaseClient):
+    executable_name = "psql"
+
+    @classmethod
+    def settings_to_cmd_args_env(cls, settings_dict, parameters):
+        args = [cls.executable_name]
+        options = settings_dict["OPTIONS"]
+
+        host = settings_dict.get("HOST")
+        port = settings_dict.get("PORT")
+        dbname = settings_dict.get("NAME")
+        user = settings_dict.get("USER")
+        passwd = settings_dict.get("PASSWORD")
+        passfile = options.get("passfile")
+        service = options.get("service")
+        sslmode = options.get("sslmode")
+        sslrootcert = options.get("sslrootcert")
+        sslcert = options.get("sslcert")
+        sslkey = options.get("sslkey")
+
+        if not dbname and not service:
+            # Connect to the default 'postgres' db.
+            dbname = "postgres"
+        if user:
+            args += ["-U", user]
+        if host:
+            args += ["-h", host]
+        if port:
+            args += ["-p", str(port)]
+        args.extend(parameters)
+        if dbname:
+            args += [dbname]
+
+        env = {}
+        if passwd:
+            env["PGPASSWORD"] = str(passwd)
+        if service:
+            env["PGSERVICE"] = str(service)
+        if sslmode:
+            env["PGSSLMODE"] = str(sslmode)
+        if sslrootcert:
+            env["PGSSLROOTCERT"] = str(sslrootcert)
+        if sslcert:
+            env["PGSSLCERT"] = str(sslcert)
+        if sslkey:
+            env["PGSSLKEY"] = str(sslkey)
+        if passfile:
+            env["PGPASSFILE"] = str(passfile)
+        return args, (env or None)
+
+    def runshell(self, parameters):
+        sigint_handler = signal.getsignal(signal.SIGINT)
+        try:
+            # Allow SIGINT to pass to psql to abort queries.
+            signal.signal(signal.SIGINT, signal.SIG_IGN)
+            super().runshell(parameters)
+        finally:
+            # Restore the original SIGINT handler.
+            signal.signal(signal.SIGINT, sigint_handler)