fix: use cache dir to store files over the package dir

pyproject.toml

@@ -33,6 +33,7 @@ dependencies = [
   "packaging >= 22.0",
   "setuptools >= 45.0",       # for pkg_resources. Otherwise get LegacyVersion error
   "gitpython >= 3.1.24",
+  "platformdirs >= 4.0.0",
 ]
 
 [project.optional-dependencies]

requirements.txt

@@ -7,3 +7,4 @@ persist-queue==0.8.0
 packaging==23.0
 setuptools==66.0
 gitpython==3.1.30
+platformdirs==4.0.0

src/jupynium/definitions.py

@@ -1,6 +1,7 @@
-import os
 from pathlib import Path
 
-PACKAGE_DIR = Path(os.path.dirname(os.path.abspath(__file__)))
+import platformdirs
 
-persist_queue_path = PACKAGE_DIR / "jupynium_persist_queue"
+CACHE_DIR = Path(platformdirs.user_cache_dir("jupynium"))
+persist_queue_path = CACHE_DIR / "jupynium_persist_queue"
+jupynium_pid_path = CACHE_DIR / "jupynium_pid.txt"

src/jupynium/process.py

@@ -1,16 +1,16 @@
 # https://stackoverflow.com/questions/36799192/check-if-python-script-is-already-running
 from os import getpid
 from os.path import exists
-from psutil import pid_exists, Process
 
-from .definitions import PACKAGE_DIR
+from psutil import Process, pid_exists
 
+from .definitions import jupynium_pid_path
 
-def already_running_pid(name="jupynium"):
-    pidpath = PACKAGE_DIR / f"{name}_pid.txt"
+
+def already_running_pid(name="jupynium", pid_path=jupynium_pid_path):
     my_pid = getpid()
-    if exists(pidpath):
-        with open(pidpath) as f:
+    if exists(pid_path):
+        with open(pid_path) as f:
             pid = f.read()
             pid = int(pid) if pid.isnumeric() else None
         if pid is not None and pid_exists(pid):
@@ -20,6 +20,6 @@ def already_running_pid(name="jupynium"):
                 return pid
             elif Process(pid).cmdline() == Process(my_pid).cmdline():
                 return pid
-    with open(pidpath, "w") as f:
+    with open(pid_path, "w") as f:
         f.write(str(my_pid))
     return 0