Merge pull request #1010 from MemPalace/fix/chromadb-1-5-4-py-3-13-compat-via-581

fix: upgrade chromadb to >=1.5.4 for Python 3.13/3.14 compatibility + fix 1.5.x queue-stall (closes #1006)

mempalace/__init__.py

@@ -4,10 +4,10 @@ import logging
 
 from .version import __version__  # noqa: E402
 
-# ChromaDB 0.6.x ships a Posthog telemetry client whose capture() signature is
-# incompatible with the bundled posthog library, producing noisy stderr warnings
-# on every client operation ("Failed to send telemetry event … capture() takes
-# 1 positional argument but 3 were given").  Silence just that logger.
+# chromadb telemetry: posthog capture() was broken in 0.6.x causing noisy stderr
+# warnings ("capture() takes 1 positional argument but 3 were given"). In 1.x the
+# posthog client is a no-op stub, so this is now harmless — kept as a guard in
+# case future chromadb versions re-introduce real telemetry calls.
 logging.getLogger("chromadb.telemetry.product.posthog").setLevel(logging.CRITICAL)
 
 # NOTE: the previous block set ``ORT_DISABLE_COREML=1`` on macOS arm64 as a

mempalace/migrate.py

@@ -7,8 +7,10 @@ Reads documents and metadata directly from the palace's SQLite database
 then re-imports everything into a fresh palace using the currently installed
 ChromaDB version.
 
-This fixes the 3.0.0 → 3.1.0 upgrade path where chromadb was downgraded
-from 1.5.x to 0.6.x, breaking the on-disk storage format.
+Since mempalace 3.2.0 (chromadb>=1.5.4), chromadb automatically migrates
+0.4.1+ databases on first open — no manual migration needed for upgrades.
+Use this command only when downgrading chromadb (e.g. rolling back to an
+older mempalace release) or if automatic migration fails.
 
 Usage:
     mempalace migrate                          # migrate default palace

pyproject.toml

@@ -21,11 +21,13 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
     "Topic :: Scientific/Engineering :: Artificial Intelligence",
     "Topic :: Utilities",
 ]
 dependencies = [
-    "chromadb>=0.5.0",
+    "chromadb>=1.5.4,<2",
     "pyyaml>=6.0,<7",
 ]