pants.toml

[GLOBAL]
pants_version = "2.14.0"

backend_packages = [
  "pants.backend.python",
]

[python]
interpreter_constraints = ["CPython==3.9.*"]

[anonymous-telemetry]
enabled = false

run.sh

#!/bin/bash

pants --version
#> 2.14.0

mkdir -p dir/

cat > dir/BUILD <<EOF
python_sources()
pex_binary(name="pex1", entry_point="x.py")
pex_binary(name="pex2", entry_point="x.py")
EOF

cat > dir/x.py <<EOF
print("hello")
EOF

# BUG
pants run dir/x.py
#> 12:35:45.25 [ERROR] 1 Exception encountered:
#>
#> TooManyTargetsException: The `run` goal only works with one valid target, but was given multiple valid targets:
#>
#> * dir/x.py
#> * dir:pex1
#> * dir:pex2
#>
#> Please select one of these targets to run.

# OK: workaround (hard to deduce from above output)
pants run dir/x.py:dir
#> hello