Clean up create constraints

.github/actions/install-minimums/action.yml

@@ -24,7 +24,7 @@ runs:
 
         echo "::group::Create Constraints file"
         CONSTRAINTS_FILE=${{inputs.constraints_file_path}}
-        python -m pip install -U pip build pkginfo packaging
+        python -m pip install -U pip build packaging
         cd ${{ inputs.working-directory }}
         python -m build --wheel .
         python ${{ github.action_path }}/create_constraints_file.py $CONSTRAINTS_FILE dist/*.whl

.github/actions/install-minimums/create_constraints_file.py

@@ -1,22 +1,33 @@
 import sys
+from zipfile import ZipFile
 
 from packaging.requirements import Requirement
-from pkginfo import Wheel
 
 output_file = sys.argv[-2]
 fname = sys.argv[-1]
-constraints = set()
+constraints = {}
 
-# Extract the minimum versions from the requirements in the wheel.
-w = Wheel(fname)
-for req in w.requires_dist:
+archive = ZipFile(fname)
+reqs = []
+for f in archive.namelist():
+    if f.endswith("METADATA"):
+        for li in archive.open(f).read().decode("utf-8").split("\n"):
+            if li.startswith("Requires-Dist"):
+                reqs.append(li.replace("Requires-Dist: ", ""))
+archive.close()
+
+for req in reqs:
     r = Requirement(req)
     for specifier in r.specifier:
+        if "!" in specifier:
+            continue
         if "~" in specifier.operator or ">" in specifier.operator:
             spec = str(specifier).replace("~", "=")
             spec = spec.replace(">=", "==")
             spec = spec.replace(">", "==")
-            constraints.add(f"{r.name}{spec}\n")
+            constraints[r.name] = spec
+
+constraints = [f"{key}{value}\n" for (key, value) in constraints.items()]
 
 # Write the constraints to to a pip constraints file.
 with open(output_file, "w") as fid:

.github/workflows/tests.yml

@@ -36,15 +36,11 @@ jobs:
           dependency_type: minimum
       - run: |
           pip install -e ".[test]"
-          # NOTE: keep this version in sync with README
+          # NOTE: keep the python version in sync with README
           python --version
           python --version | grep "3.8"
-          cat $PIP_CONSTRAINT
-          cat $PIP_CONSTRAINT | grep "jupyter-core=="
-          pip list | grep "jupyter-core" | grep "4.10.0"
           hatch run check_minimum
 
-
   base_setup_pre:
     runs-on: ubuntu-latest
     steps:

pyproject.toml

@@ -7,7 +7,7 @@ name = "foobar"
 authors = [{name = "Sir Robin", email = "[email protected]"}]
 dynamic = ["description", "version"]
 readme = "README.md"
-dependencies = ["jupyter_core>=4.10.0"]
+dependencies = ["jupyter_core>=4.12,!=~5.0"]
 optional-dependencies.test = ["pytest"]
 
 [tool.jupyter-releaser]
@@ -18,7 +18,7 @@ hooks.after-populate-release = ["bash ./.github/scripts/bump_tag.sh"]
 source = "nodejs"
 
 [tool.hatch.envs.default.scripts]
-check_minimum = "python -c 'from jupyter_core import __version__; assert __version__ == \"4.10.0\"'"
+check_minimum = "python -c 'from jupyter_core import __version__; assert __version__ == \"4.12.0\"'"
 check_pre = "python -c 'import os; assert os.environ[\"PIP_PRE\"] == \"1\"'"
 
 [tool.pytest.ini_options]