drop python3.7 support, add python3.9 testing

- Fix failing detchar test for python3.9
- Restrict ligo.em-bright < 1.0 until SCCB approval. See !854
Using importlib resources on a data path leads to IsADirectory
error. Replaced with pathlib.

.gitlab-ci.yml

@@ -55,12 +55,12 @@ build:
     - poetry config virtualenvs.create false
     - poetry install -E test
   needs: []
-test/poetry/python3.7:
-  extends: .test-poetry
-  image: python:3.7
 test/poetry/python3.8:
   extends: .test-poetry
   image: python:3.8
+test/poetry/python3.9:
+  extends: .test-poetry
+  image: python:3.9
 
 # Run test suite using wheel and bleeding-edge dependencies
 .test-wheel:
@@ -75,12 +75,12 @@ test/poetry/python3.8:
     - *install-redis
   needs:
     - build
-test/wheel/python3.7:
-  extends: .test-wheel
-  image: python:3.7
 test/wheel/python3.8:
   extends: .test-wheel
   image: python:3.8
+test/wheel/python3.9:
+  extends: .test-wheel
+  image: python:3.9
 
 lint:
   stage: test
@@ -142,7 +142,7 @@ pages:
   only:
     - main
   needs:
-    - test/poetry/python3.7
+    - test/poetry/python3.8
 
 # Upload package to PyPI.
 # Place your PyPI API token in the repository's GitLab CI secrets.

gwcelery/tests/test_tasks_detchar.py

-from importlib import resources
 from io import BytesIO
 import logging
+from pathlib import Path
 from unittest.mock import call, patch
 
 from astropy.time import Time
@@ -12,20 +12,17 @@ import pytest
 from ..import app
 from ..import _version
 from ..tasks import detchar
-from . import data
 
 
 @pytest.fixture
 def llhoft_glob_pass(monkeypatch):
-    with resources.path(data, '') as path:
-        path = str(path / 'llhoft/pass/{detector}/*.gwf')
+    path = str(Path(__file__).parent / 'data/llhoft/pass/{detector}/*.gwf')
     yield monkeypatch.setitem(app.conf, 'llhoft_glob', path)
 
 
 @pytest.fixture
 def llhoft_glob_fail(monkeypatch):
-    with resources.path(data, '') as path:
-        path = str(path / 'llhoft/fail/{detector}/*.gwf')
+    path = str(Path(__file__).parent / 'data/llhoft/fail/{detector}/*.gwf')
     yield monkeypatch.setitem(app.conf, 'llhoft_glob', path)
 
 
@@ -70,8 +67,7 @@ def test_create_cache_old_data(mock_find, llhoft_glob_fail):
     mock_find.assert_called()
 
 
-with resources.path(data, '') as expected_path:
-    expected_path = str(expected_path / 'llhoft/omegascan/scanme.gwf')
+expected_path = Path(__file__).parent / 'data/llhoft/omegascan/scanme.gwf'
 
 
 @patch('gwcelery.tasks.detchar.create_cache', return_value=[expected_path])

pyproject.toml

@@ -45,7 +45,7 @@ include = [
 "Bug Tracker" = "https://git.ligo.org/emfollow/gwcelery/issues"
 
 [tool.poetry.dependencies]
-python = "^3.7"
+python = "^3.8"
 astropy = ">=4.3.1"  # https://github.com/astropy/astropy/issues/11879
 bilby-pipe = ">=0.3.8"
 celery = {version = ">=5.1", extras = ["redis"]}
@@ -67,7 +67,7 @@ ligo-followup-advocate = ">=1.1.6"
 ligo-gracedb = ">=2.7.5"  # https://git.ligo.org/lscsoft/gracedb-client/-/issues/28
 ligo-raven = ">=2.0"
 ligo-segments = "*"
-"ligo.em-bright" = ">=0.1.5"
+"ligo.em-bright" = "<1.0"
 "ligo.skymap" = ">=0.4.0"
 lscsoft-glue = "*"
 lxml = "*"