Mix incorrect parsing of multi-line options in ini files

Author: DanielNoord

doc/whatsnew/2/2.14/full.rst

@@ -27,6 +27,10 @@ Release date: TBA
 
   Closes #6818
 
+* Fixed an issue with multi-line ``init-hook`` options which did not record the line endings.
+
+  Closes #6888
+
 * Fixed a false positive for ``used-before-assignment`` when a try block returns
   but an except handler defines a name via type annotation.
 

pylint/config/config_file_parser.py

@@ -56,7 +56,6 @@ def _parse_ini_file(self, file_path: Path) -> tuple[dict[str, str], list[str]]:
                 else:
                     continue
             for opt, value in parser[section].items():
-                value = value.replace("\n", "")
                 config_content[opt] = value
                 options += [f"--{opt}", value]
         return config_content, options

pylint/config/config_initialization.py

@@ -45,7 +45,7 @@ def _config_initialization(
 
     # Run init hook, if present, before loading plugins
     if "init-hook" in config_data:
-        exec(utils._unquote(config_data["init-hook"]))  # pylint: disable=exec-used
+        exec(config_data["init-hook"])  # pylint: disable=exec-used
 
     # Load plugins if specified in the config file
     if "load-plugins" in config_data:

tests/config/functional/ini/pylintrc_with_missing_comma.4.out

@@ -1,3 +1,4 @@
 ************* Module {abspath}
 {relpath}:1:0: W0012: Unknown option value for '--disable', expected a valid pylint message and got 'logging-not-lazylogging-format-interpolation' (unknown-option-value)
-{relpath}:1:0: W0012: Unknown option value for '--enable', expected a valid pylint message and got 'locally-disabledsuppressed-message' (unknown-option-value)
+{relpath}:1:0: W0012: Unknown option value for '--enable', expected a valid pylint message and got 'locally-disabled
+suppressed-message' (unknown-option-value)

tests/config/functional/ini/pylintrc_with_multi_line_init_hook.ini

@@ -0,0 +1,6 @@
+# Reported in https://github.com/PyCQA/pylint/issues/6888
+[MASTER]
+init-hook=
+    try: import pylint_venv
+    except ImportError: pass
+    else: pylint_venv.inithook()