use pytest instead of nose, update configs in project files

Signed-off-by: Steve Arnold <sarnold@vctlabs.com>

pyproject.toml

@@ -1,3 +1,54 @@
 [build-system]
 requires = ["setuptools>=40.8.0", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+minversion = "6.0"
+testpaths = [".",]
+log_cli =  false
+doctest_optionflags = ["ELLIPSIS", "NORMALIZE_WHITESPACE",]
+addopts = "-ra -q -p no:warnings --ignore=svg2rlg_render_test.py"
+
+[tool.coverage.run]
+branch = true
+source = ["svg2rlg.py"]
+plugins = ["coverage_python_version"]
+omit = [
+    "svg2rlg_render_test.py",
+    "test_svg2rlg.py",
+    "setup.py",
+    ".tox",
+]
+[tool.coverage.paths]
+source = ["svg2rlg.py"]
+
+[tool.coverage.report]
+fail_under = 50
+show_missing = true
+ignore_errors = true
+exclude_lines = [
+    "pragma: no cover",
+    "raise NotImplementedError",
+    "raise AssertionError",
+    "if typing.TYPE_CHECKING:",
+    "if TYPE_CHECKING:",
+]
+
+[tool.black]
+line-length = 90
+skip-string-normalization = true
+include = '\.py$'
+exclude = '''
+/(
+    \.git
+  | \.hg
+  | \.mypy_cache
+  | \.tox
+  | \.venv
+  | _build
+  | buck-out
+  | build
+  | dist
+  | svg2rlg_render_test.py
+)/
+'''

setup.cfg

@@ -8,3 +8,4 @@ with-coverage = 1
 cover-package = svg2rlg
 #cover-min-percentage = 90
 doctest-options = +ELLIPSIS,+NORMALIZE_WHITESPACE
+

tox.ini

@@ -1,13 +1,14 @@
 [tox]
-envlist = py3{6,7,8,9}
+envlist = py3{8,9,10,11}
 skip_missing_interpreters = true
 isolated_build = true
+skipsdist = true
 
 [gh-actions]
-3.6 = py36
-3.7 = py37
 3.8 = py38
 3.9 = py39
+3.10 = py10
+3.11 = py11
 
 [testenv]
 passenv =
@@ -26,12 +27,14 @@ passenv =
     PIP_DOWNLOAD_CACHE
 
 deps =
-    reportlab
-    nose
-    codecov
+    reportlab[pycairo]
+    wxPython
+    pytest
+    pytest-cov
+    coverage_python_version
 
 commands =
-    nosetests -sx test_svg2rlg.py
+    python -m pytest -v . --capture=fd --doctest-modules --cov svg2rlg --cov-branch --cov-report term-missing
 
 [testenv:deploy]
 passenv = CI