Default to uv if available for azpysdk (#44273)

* use uv

* classify uv

* format

* allow local uv? and bug fix

Author: JennyPng

eng/tools/azure-sdk-tools/azpysdk/main.py

@@ -8,7 +8,7 @@
 from __future__ import annotations
 
 import argparse
-import sys
+import shutil
 import os
 from typing import Sequence, Optional
 
@@ -117,6 +117,11 @@ def main(argv: Optional[Sequence[str]] = None) -> int:
         parser.print_help()
         return 1
 
+    # default to uv if available
+    uv_path = shutil.which("uv")
+    if uv_path:
+        os.environ["TOX_PIP_IMPL"] = "uv"
+
     try:
         result = args.func(args)
         return int(result or 0)

eng/tools/azure-sdk-tools/ci_tools/functions.py

@@ -592,7 +592,7 @@ def get_pip_list_output(python_executable: Optional[str] = None):
     if stdout and (stderr is None):
         # this should be compatible with py27 https://docs.python.org/2.7/library/stdtypes.html#str.decode
         for line in stdout.decode("utf-8").split(os.linesep)[2:]:
-            if line:
+            if line and "==" in line:
                 package, version = re.split("==", line)
                 collected_output[package] = version
     else: