[BUG] Bound tokenizers, patch CVP test (#3211)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
   - Bounds tokenizers as in #3202 
- Includes a change to CVP test to install an old version of a dep in
case of b/w incompat like this has.
 - New functionality
   - None

## Test plan
*How are these changes tested?*
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
None

chromadb/test/client/test_http_client_v1_compatability.py

@@ -1,6 +1,6 @@
 import multiprocessing
 from unittest.mock import patch
-
+import sys as pysys
 from multiprocessing.connection import Connection
 
 from chromadb.config import System
@@ -41,7 +41,16 @@ def test_http_client_bw_compatibility() -> None:
     port = sys.settings.chroma_server_http_port
 
     old_version = "0.5.11"  # Module with known v1 client
-    install_version(old_version)
+
+    # Version <3.9 requires bounding tokenizers<=0.20.3
+    # TOOD(hammadb): This code is duplicated in test_cross_version_persist.py
+    # for expediency on 11/27/2024 I am copy pasting rather than refactoring
+    # to DRY. Refactor later.
+    (major, minor, _) = pysys.version_info[:3]
+    if major == 3 and minor < 9:
+        install_version(old_version, {"tokenizers": "<=0.20.3"})
+    else:
+        install_version(old_version, {})
 
     ctx = multiprocessing.get_context("spawn")
     conn1, conn2 = multiprocessing.Pipe()

chromadb/test/property/test_cross_version_persist.py

@@ -22,6 +22,7 @@
 import chromadb.test.property.invariants as invariants
 from packaging import version as packaging_version
 import re
+import sys
 import multiprocessing
 from chromadb.config import Settings
 from chromadb.api.client import Client as ClientCreator
@@ -38,7 +39,7 @@
 version_re = re.compile(r"^[0-9]+\.[0-9]+\.[0-9]+$")
 
 # Some modules do not work across versions, since we upgrade our support for them, and should be explicitly reimported in the subprocess
-VERSIONED_MODULES = ["pydantic", "numpy"]
+VERSIONED_MODULES = ["pydantic", "numpy", "tokenizers"]
 
 
 def versions() -> List[str]:
@@ -148,7 +149,14 @@ def configurations(versions: List[str]) -> List[Tuple[str, Settings]]:
 def version_settings(request) -> Generator[Tuple[str, Settings], None, None]:
     configuration = request.param
     version = configuration[0]
-    install_version(version)
+
+    # Version <3.9 requires bounding tokenizers<=0.20.3
+    (major, minor, patch) = sys.version_info[:3]
+    if major == 3 and minor < 9:
+        install_version(version, {"tokenizers": "<=0.20.3"})
+    else:
+        install_version(version, {})
+
     yield configuration
     # Cleanup the installed version
     path = get_path_to_version_install(version)

chromadb/test/utils/cross_version.py

@@ -3,7 +3,7 @@
 import os
 import tempfile
 from types import ModuleType
-from typing import List
+from typing import Dict, List
 
 base_install_dir = tempfile.gettempdir() + "/persistence_test_chromadb_versions"
 
@@ -38,16 +38,16 @@ def get_path_to_version_library(version: str) -> str:
     return get_path_to_version_install(version) + "/chromadb/__init__.py"
 
 
-def install_version(version: str) -> None:
+def install_version(version: str, dep_overrides: Dict[str, str]) -> None:
     # Check if already installed
     version_library = get_path_to_version_library(version)
     if os.path.exists(version_library):
         return
     path = get_path_to_version_install(version)
-    install(f"chromadb=={version}", path)
+    install(f"chromadb=={version}", path, dep_overrides)
 
 
-def install(pkg: str, path: str) -> int:
+def install(pkg: str, path: str, dep_overrides: Dict[str, str]) -> int:
     # -q -q to suppress pip output to ERROR level
     # https://pip.pypa.io/en/stable/cli/pip/#quiet
     print("Purging pip cache")
@@ -60,17 +60,14 @@ def install(pkg: str, path: str) -> int:
             "purge",
         ]
     )
+
+    command = [sys.executable, "-m", "pip", "-q", "-q", "install", pkg]
+
+    for dep, operator_version in dep_overrides.items():
+        command.append(f"{dep}{operator_version}")
+
+    command.append("--no-binary=chroma-hnswlib")
+    command.append(f"--target={path}")
+
     print(f"Installing chromadb version {pkg} to {path}")
-    return subprocess.check_call(
-        [
-            sys.executable,
-            "-m",
-            "pip",
-            "-q",
-            "-q",
-            "install",
-            pkg,
-            "--no-binary=chroma-hnswlib",
-            "--target={}".format(path),
-        ]
-    )
+    return subprocess.check_call(command)

pyproject.toml

@@ -28,7 +28,7 @@ dependencies = [
   'opentelemetry-exporter-otlp-proto-grpc>=1.2.0',
   'opentelemetry-instrumentation-fastapi>=0.41b0',
   'opentelemetry-sdk>=1.2.0',
-  'tokenizers >= 0.13.2',
+  'tokenizers >= 0.13.2, <= 0.20.3',
   'pypika >= 0.48.9',
   'tqdm >= 4.65.0',
   'overrides >= 7.3.1',

requirements.txt

@@ -21,7 +21,7 @@ pypika>=0.48.9
 PyYAML>=6.0.0
 rich>=10.11.0
 tenacity>=8.2.3
-tokenizers>=0.13.2
+tokenizers>=0.13.2,<=0.20.3
 tqdm>=4.65.0
 typer>=0.9.0
 typing_extensions>=4.5.0