Fix: Support relative paths in the run command (#72)

This addresses an issue where relative paths for dependencies were
broken due to changes in how file contents are handled. With this
update, temporary files (like the runtime script and lockfile) are now
properly cleaned up within the runtime script itself.

src/juv/_run.py

@@ -87,8 +87,19 @@ def run(  # noqa: PLR0913
     elif mode == "managed":
         from ._run_managed import run as run_managed
 
-        run_managed(script, args, str(path), lockfile_contents)
+        run_managed(
+            script=script,
+            args=args,
+            filename=str(path),
+            lockfile_contents=lockfile_contents,
+            dir=target.parent,
+        )
     else:
         from ._run_replace import run as run_replace
 
-        run_replace(script, args, lockfile_contents)
+        run_replace(
+            script=script,
+            args=args,
+            lockfile_contents=lockfile_contents,
+            dir=target.parent,
+        )

src/juv/_run_managed.py

@@ -105,7 +105,11 @@ def display(url: str) -> None:
 
 
 def run(
-    script: str, args: list[str], filename: str, lockfile_contents: str | None
+    script: str,
+    args: list[str],
+    filename: str,
+    lockfile_contents: str | None,
+    dir: Path,  # noqa: A002
 ) -> None:
     console = Console()
     output_queue = Queue()
@@ -114,6 +118,7 @@ def run(
         mode="w+",
         delete=True,
         suffix=".py",
+        dir=dir,
         encoding="utf-8",
     ) as f:
         lockfile = Path(f"{f.name}.lock")

src/juv/_run_replace.py

@@ -12,11 +12,12 @@
 IS_WINDOWS = sys.platform.startswith("win")
 
 
-def run(script: str, args: list[str], lockfile_contents: str | None) -> None:
+def run(script: str, args: list[str], lockfile_contents: str | None, dir: Path) -> None:  # noqa: A002
     with tempfile.NamedTemporaryFile(
         mode="w+",
         delete=True,
         suffix=".py",
+        dir=dir,
         encoding="utf-8",
     ) as f:
         lockfile = Path(f"{f.name}.lock")

src/juv/_run_template.py

@@ -88,6 +88,20 @@ def update_uv_lock(notebook_path: str):
 update_uv_lock(r"{notebook}")
 """
 
+DELETE_RUN_SCRIPT_AND_LOCKFILE = """
+import os
+from pathlib import Path
+
+def delete_run_script_and_lockfile():
+    Path(str(__file__)).unlink(missing_ok=True)
+    lockfile_path = os.environ.get("JUV_LOCKFILE_PATH")
+    if not lockfile_path:
+        return
+    Path(lockfile_path).unlink(missing_ok=True)
+
+delete_run_script_and_lockfile()
+"""
+
 
 SETUP_JUPYTER_DATA_DIR = """
 import tempfile
@@ -157,6 +171,7 @@ def handle_termination(signum, frame):
 from jupyterlab.labapp import main
 
 {UPDATE_LOCKFILE}
+{DELETE_RUN_SCRIPT_AND_LOCKFILE}
 {SETUP_JUPYTER_DATA_DIR}
 
 if {is_managed}:
@@ -177,6 +192,7 @@ def handle_termination(signum, frame):
 from notebook.app import main
 
 {UPDATE_LOCKFILE}
+{DELETE_RUN_SCRIPT_AND_LOCKFILE}
 {SETUP_JUPYTER_DATA_DIR}
 
 if {is_managed}:
@@ -197,6 +213,7 @@ def handle_termination(signum, frame):
 from notebook.notebookapp import main
 
 {UPDATE_LOCKFILE}
+{DELETE_RUN_SCRIPT_AND_LOCKFILE}
 {SETUP_JUPYTER_DATA_DIR}
 
 if {is_managed}:
@@ -217,6 +234,7 @@ def handle_termination(signum, frame):
 from nbclassic.notebookapp import main
 
 {UPDATE_LOCKFILE}
+{DELETE_RUN_SCRIPT_AND_LOCKFILE}
 {SETUP_JUPYTER_DATA_DIR}
 
 if {is_managed}:
@@ -247,6 +265,7 @@ def prepare_run_script_and_uv_run_args(  # noqa: PLR0913
         args=jupyter_args,
         SETUP_JUPYTER_DATA_DIR=SETUP_JUPYTER_DATA_DIR,
         UPDATE_LOCKFILE=UPDATE_LOCKFILE.format(notebook=target),
+        DELETE_RUN_SCRIPT_AND_LOCKFILE=DELETE_RUN_SCRIPT_AND_LOCKFILE,
         is_managed=mode == "managed",
     )
     args = [