I am trying to bootstrap pants on my personal computer which is an Apple MacBook Pro running macOS Mojave. I am using Anaconda and created a new environment called pants with python 3.7. I created a

pants.toml

file and downloaded

pants

script. Afterwards when I ran the command

./pants --version

, its giving me following error:

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$ ./pants --version

Bootstrapping Pants using /opt/anaconda3/envs/pants/bin/python3.7

Creating the virtualenv PEX.

Downloading the Pex PEX.

SHA256 fingerprint of <https://github.com/pantsbuild/pex/releases/download/v2.1.62/pex> verified.

Installing pantsbuild.pants==2.12.0 into a virtual environment at /Users/dheerajramchandani/.cache/pants/setup/bootstrap-Darwin-x86_64/2.12.0_py37

ERROR: Could not find a version that satisfies the requirement pantsbuild.pants==2.12.0 (from versions: 0.0.17, 0.0.18, 0.0.20, 0.0.21, 0.0.22, 0.0.23, 0.0.24, 0.0.25, 0.0.26, 0.0.27, 0.0.28, 0.0.29, 0.0.30, 0.0.31, 0.0.32, 0.0.33, 0.0.34, 0.0.35, 0.0.36, 0.0.37, 0.0.38, 0.0.39, 0.0.40, 0.0.41, 0.0.42, 0.0.43, 0.0.44, 0.0.45, 0.0.46, 0.0.47, 0.0.48, 0.0.49, 0.0.50, 0.0.51, 0.0.52, 0.0.53, 0.0.54, 0.0.55, 0.0.56, 0.0.57, 0.0.58, 0.0.59, 0.0.60, 0.0.61, 0.0.62, 0.0.63, 0.0.64, 0.0.65, 0.0.66, 0.0.67, 0.0.68, 0.0.69, 0.0.70, 0.0.71, 0.0.72, 0.0.73, 0.0.74, 0.0.75, 0.0.76, 0.0.77, 0.0.79, 0.0.80, 0.0.81, 0.0.82, 1.0.0, 1.0.1, 1.1.0, 1.2.0, 1.2.1, 1.3.0, 1.4.0, 1.5.0, 1.6.0, 1.7.0, 1.15.0, 1.16.0, 1.17.0, 1.18.0, 1.19.0, 1.20.0, 1.21.0, 1.22.0, 1.23.0, 1.24.0, 1.25.0, 1.26.0, 1.27.0, 1.28.0, 1.29.0, 1.30.0, 1.30.1, 1.30.2, 1.30.3, 1.30.4, 1.30.5rc1, 2.0.0, 2.0.1, 2.0.2, 2.1.0, 2.1.1, 2.1.2, 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.3.0, 2.3.1, 2.3.2, 2.3.3, 2.4.0, 2.4.1, 2.4.2)

ERROR: No matching distribution found for pantsbuild.pants==2.12.0

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$

Based on the error message, I figured something in my setup is not compatible with pants version 2.12.0 and changed the version in the

pants.toml

file to

2.4.0

but to no avail. It did not bootstrap and started giving other errors:

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$ ./pants --version

Bootstrapping Pants using /opt/anaconda3/envs/pants/bin/python3.7

Installing pantsbuild.pants==2.4.0 into a virtual environment at /Users/dheerajramchandani/.cache/pants/setup/bootstrap-Darwin-x86_64/2.4.0_py37

New virtual environment successfully created at /Users/dheerajramchandani/.cache/pants/setup/bootstrap-Darwin-x86_64/2.4.0_py37.

23:25:08.23 [INFO] initializing scheduler...

Traceback (most recent call last):

File "/Users/dheerajramchandani/.cache/pants/setup/bootstrap-Darwin-x86_64/2.4.0_py37/lib/python3.7/site-packages/pants/init/extension_loader.py", line 128, in load_backend

module = importlib.import_module(backend_module)

File "/opt/anaconda3/envs/pants/lib/python3.7/importlib/__init__.py", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked

ModuleNotFoundError: No module named 'pants.backend.experimental'

23:25:08.30 [ERROR] Failed to load the pants.backend.experimental.python.lint.autoflake.register backend: ModuleNotFoundError("No module named 'pants.backend.experimental'")

(Use --print-stacktrace to see more error details.)

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$

I removed the backend

'pants.backend.experimental'

that the error pointed at but received error for another backend:

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$ ./pants --version

23:25:40.91 [INFO] initializing scheduler...

Traceback (most recent call last):

File "/Users/dheerajramchandani/.cache/pants/setup/bootstrap-Darwin-x86_64/2.4.0_py37/lib/python3.7/site-packages/pants/init/extension_loader.py", line 128, in load_backend

module = importlib.import_module(backend_module)

File "/opt/anaconda3/envs/pants/lib/python3.7/importlib/__init__.py", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked

File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed

File "<frozen importlib._bootstrap>", line 1006, in _gcd_import

File "<frozen importlib._bootstrap>", line 983, in _find_and_load

File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked

ModuleNotFoundError: No module named 'pants.backend.plugin_development'

23:25:40.99 [ERROR] Failed to load the pants.backend.plugin_development.register backend: ModuleNotFoundError("No module named 'pants.backend.plugin_development'")

(Use --print-stacktrace to see more error details.)

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$ ./pants --version

23:26:05.25 [INFO] initializing scheduler...

23:26:05.96 [INFO] scheduler initialized.

23:26:05.99 [ERROR] Invalid scope [python] in /Users/dheerajramchandani/pants-training/pants.toml

23:26:05.99 [ERROR] Invalid config entries detected. See log for details on which entries to update or remove.

(Specify --no-verify-config to disable this check.)

(Use --print-stacktrace to see more error details.)

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$

Finally, after removing this backend I received the following error which is not much helpful:

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$ ./pants --version

23:26:05.25 [INFO] initializing scheduler...

23:26:05.96 [INFO] scheduler initialized.

23:26:05.99 [ERROR] Invalid scope [python] in /Users/dheerajramchandani/pants-training/pants.toml

23:26:05.99 [ERROR] Invalid config entries detected. See log for details on which entries to update or remove.

(Specify --no-verify-config to disable this check.)

(Use --print-stacktrace to see more error details.)

(pants) Dheerajs-MacBook-Pro:pants-training dheerajramchandani$

Why does it say invalid scope for [python]? I have used this scope with pants v1 and with v2.12 and it bootstrapped fine. Was this scope removed sometime after v1 and reintroduced after 2.4.0? Could anyone please help me bootstrap pants with version 2.12.0?