fix: change code so we can use on py311

.github/workflows/tests.yml

@@ -28,7 +28,7 @@ jobs:
           channel-priority: strict
           show-channel-urls: true
           miniforge-version: latest
-          python-version: 3.12
+          python-version: 3.11
 
       - name: configure conda and install code
         shell: bash -el {0}

.github/workflows/tests_mamba.yml

@@ -28,7 +28,7 @@ jobs:
           channel-priority: strict
           show-channel-urls: true
           miniforge-version: latest
-          python-version: 3.12
+          python-version: 3.11
 
       - name: configure conda and install code
         shell: bash -el {0}

conda_forge_feedstock_check_solvable/rattler_build.py

@@ -1,5 +1,7 @@
+import os
 import subprocess
 import tempfile
+import uuid
 
 import yaml
 
@@ -33,19 +35,21 @@ def invoke_rattler_build(
     # this is OK since there is an lru cache
     virtual_package_repo_url = virtual_package_repodata()
     # create a temporary file and dump the variants as YAML
-    with tempfile.NamedTemporaryFile(mode="w", delete_on_close=False) as variants_file:
-        channel_sources = variants.get("channel_sources", [])
-        # Add virtual package repo URL to channel sources
-        if channel_sources:
-            variants["channel_sources"] = [
-                source + f",{virtual_package_repo_url}" for source in channel_sources
-            ]
+    with tempfile.TemporaryDirectory() as tmpdir:
+        variants_file_name = os.path.join(tmpdir, str(uuid.uuid4()) + ".yaml")
+        with open(variants_file_name, "w") as fp:
+            channel_sources = variants.get("channel_sources", [])
+            # Add virtual package repo URL to channel sources
+            if channel_sources:
+                variants["channel_sources"] = [
+                    source + f",{virtual_package_repo_url}"
+                    for source in channel_sources
+                ]
 
-        yaml.dump(
-            {k: v for k, v in variants.items()},
-            variants_file,
-        )
-        variants_file.flush()
+            yaml.dump(
+                {k: v for k, v in variants.items()},
+                fp,
+            )
 
         channels_args = []
         if not channel_sources:
@@ -59,7 +63,7 @@ def invoke_rattler_build(
             + channels_args
             + ["--target-platform", host_platform]
             + ["--build-platform", build_platform]
-            + ["-m", variants_file.name]
+            + ["-m", variants_file_name]
             + ["--render-only", "--with-solve"]
         )
 

pyproject.toml

@@ -15,7 +15,7 @@ description = "A mamba-based package to check if a conda-forge feedstock is solv
 dynamic = ["version", "dependencies", "optional-dependencies"]
 license = {file = "LICENSE"}
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.11"
 
 [project.urls]
 home = "https://github.com/regro/conda-forge-feedstock-check-solvable"