Azure Quantum backend

[saich08]

Hi Team,

This is the PR to integrate Azure Quantum as backend to ProjectQ framework. As of now, Azure Quantum supports hardware and simulators from IonQ and Quantinuum targets.

Please review, welcome all feedback!

Thanks!

[coveralls]

Pull Request Test Coverage Report for Build 2761899788

• 305 of 305 (100.0%) changed or added relevant lines in 9 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

---

Totals
Change from base Build 2759348897:	0.0%
Covered Lines:	7296
Relevant Lines:	7296

---

💛 - Coveralls

[saich08]

@Takishima, Addressed rest of the active comments as well. Please review when you get a chance.

Looks like few PR check failing are failing (3 • Clang 3.5 • x64, 3 • GCC 7 • x64 and coveralls). I'll see what I can do.

[Takishima]

With regards the failures 3 • Clang 3.5 • x64 and 3 • GCC 7 • x64, it looks like issues related to updating Python packages so don't worry too much about those. I will look into those and see if I can find an easy fix.

The coveralls problems are mostly due to to lack of test coverage in the following files:

Name                                                          Stmts   Miss  Cover   Missing
-------------------------------------------------------------------------------------------
...
projectq/backends/_azure/_azure_quantum.py                      168     15    91%   105, 160, 191-197, 239, 267-268, 295, 307, 327, 338, 350
projectq/backends/_azure/_azure_quantum_client.py                15      2    87%   26-27
projectq/backends/_azure/_exceptions.py                           2      0   100%
projectq/backends/_azure/_util.py                               120     10    92%   105, 144, 181, 188, 236, 243, 288, 300, 308-311
...
-------------------------------------------------------------------------------------------
TOTAL                                                          7352     34    99%

[Takishima]

I have managed to fix the CI failure issues by making sure pip and setuptools are up-to-date. Now the only remaining issues are linked to test coverage.

Otherwise, I think this PR looks good (though I will go through the code once more, but I don't expect to have anything else to complain about ;-) )

[saich08]

@Takishima, we should be good with coveralls now. I got 100% coverage for azure-quantum modules.

projectq/backends/_azure/_azure_quantum.py 158 0 100%
projectq/backends/_azure/_azure_quantum_client.py 15 0 100%
projectq/backends/_azure/_exceptions.py 2 0 100%
projectq/backends/_azure/_utils.py 112 0 100%

[Takishima]

Thanks for working that out. I will take another look at this next week.

[Takishima]

The current issues stems for the fact that azure-quantum for Python 3.6 is version 0.18.X and the following code does not work properly:

from azure.quantum.target import IonQ, Quantinuum, Target
from azure.quantum.target.target_factory import TargetFactory

NB: this fails with the following error message:

...
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ModuleNotFoundError: No module named 'azure.quantum.target'

Is there any way to make this work with Python 3.6 and azure-quantum <= 0.18?

[Takishima]

Actually I just saw that Python 3.6 has reached its EOL. I will merge another PR to remove 3.6 from the CI and then we can merge this.

[Takishima]

Just one more question. Otherwise I am happy to merge this.

[saich08]

Closed PR by mistake, sorry about that :).

[saich08]

Thanks @Takishima for great review comments and contributions to this PR. This has been great learning experience. I am looking forward to contributing more. Hoping to see this change in ProjectQ release soon :).