fix: get lint/tests running again

Some version-related changes caused lint and acceptance-test failures
since the last release. Fix those up.

Author: scanny

.ruff.toml

@@ -0,0 +1,11 @@
+# -- don't check these locations --
+exclude = [
+    # -- docs/ - documentation Python code is incidental --
+    "docs",
+    # -- lab/ has some experimental code that is not disciplined --
+    "lab",
+    # -- ref/ is not source-code --
+    "ref",
+    # -- spec/ has some ad-hoc discovery code that is not disciplined --
+    "spec",
+]

pptx/package.py

@@ -55,8 +55,10 @@ def first_available_image_idx():
                 [
                     part.partname.idx
                     for part in self.iter_parts()
-                    if part.partname.startswith("/ppt/media/image")
-                    and part.partname.idx is not None
+                    if (
+                        part.partname.startswith("/ppt/media/image")
+                        and part.partname.idx is not None
+                    )
                 ]
             )
             for i, image_idx in enumerate(image_idxs):

requirements.txt

@@ -2,7 +2,7 @@ behave>=1.2.5
 flake8>=2.0
 lxml>=3.1.0
 mock>=1.0.1
-Pillow>=3.3.2
+Pillow>=3.3.2,<=9.5.0
 pyparsing>=2.0.1
 pytest>=2.5
 XlsxWriter>=0.5.7

setup.py

@@ -37,12 +37,12 @@ def ascii_bytes_from(path, *paths):
 KEYWORDS = "powerpoint ppt pptx office open xml"
 AUTHOR = "Steve Canny"
 AUTHOR_EMAIL = "python-pptx@googlegroups.com"
-URL = "http://github.com/scanny/python-pptx"
+URL = "https://github.com/scanny/python-pptx"
 LICENSE = license
 PACKAGES = find_packages(exclude=["tests", "tests.*"])
 PACKAGE_DATA = {"pptx": ["templates/*"]}
 
-INSTALL_REQUIRES = ["lxml>=3.1.0", "Pillow>=3.3.2", "XlsxWriter>=0.5.7"]
+INSTALL_REQUIRES = ["lxml>=3.1.0", "Pillow>=3.3.2,<=9.5.0", "XlsxWriter>=0.5.7"]
 
 TEST_SUITE = "tests"
 TESTS_REQUIRE = ["behave", "mock", "pyparsing>=2.0.1", "pytest"]

tox.ini

@@ -3,21 +3,42 @@
 
 [flake8]
 exclude = dist,docs,*.egg-info,.git,lab,ref,_scratch,spec,.tox
+ignore =
+    # -- E203 - whitespace before ':'. Black disagrees for slice expressions.
+    E203,
+
+    # -- W503 - line break before binary operator. Black has a different opinion about
+    # -- this, that binary operators should appear at the beginning of new-line
+    # -- expression segments. I agree because right is ragged and left lines up.
+    W503
 max-line-length = 88
 
 [pytest]
+filterwarnings = 
+    # -- exit on any warning not explicitly ignored here --
+    error
+
+    # -- pytest-xdist plugin may warn about `looponfailroots` deprecation --
+    ignore::DeprecationWarning:xdist
+
+    # -- pytest complains when pytest-xdist is not installed --
+    ignore:Unknown config option. looponfailroots:pytest.PytestConfigWarning
+
+looponfailroots = pptx tests
 norecursedirs = docs *.egg-info features .git pptx spec .tox
 python_classes = Test Describe
 python_functions = test_ it_ they_ but_ and_it_
 
 [tox]
-envlist = py27, py38
+envlist = py27, py38, py311
+requires = virtualenv<20.22.0
+skip_missing_interpreters = false
 
 [testenv]
 deps =
     behave==1.2.5
     lxml>=3.1.0
-    Pillow>=3.3.2
+    Pillow>=3.3.2,<=9.5.0
     pyparsing>=2.0.1
     pytest
     XlsxWriter>=0.5.7