Add flag `--clear-cache-post-run` to support server-like usage (#7802)

Use this flag if you expect the linted files to be altered between runs,
for instance, if using pylint in a server-like mode. The flag clear's
astroid's in-memory caches.

2 files changed, 8 insertions, 0 deletions

diff --git a/examples/pylintrc b/examples/pylintrc
index 61a9361d6..aa9db9dcf 100644
--- a/examples/pylintrc
+++ b/examples/pylintrc
@@ -5,6 +5,10 @@
 # only in one or another interpreter, leading to false positives when analysed.
 analyse-fallback-blocks=no
 
+# Clear in-memory caches upon conclusion of linting. Useful if running pylint in
+# a server-like mode.
+clear-cache-post-run=no
+
 # Load and enable all available extensions. Use --list-extensions to see a list
 # all available extensions.
 #enable-all-extensions=
diff --git a/examples/pyproject.toml b/examples/pyproject.toml
index 98cb39bb9..16f528327 100644
--- a/examples/pyproject.toml
+++ b/examples/pyproject.toml
@@ -4,6 +4,10 @@
 # one or another interpreter, leading to false positives when analysed.
 # analyse-fallback-blocks =
 
+# Clear in-memory caches upon conclusion of linting. Useful if running pylint in
+# a server-like mode.
+# clear-cache-post-run =
+
 # Always return a 0 (non-error) status code, even if lint errors are found. This
 # is primarily useful in continuous integration scripts.
 # exit-zero =