From b505fce818f39230f8505928610b6968302f42fb Mon Sep 17 00:00:00 2001
From: Ric Evans <19216225+ric-evans@users.noreply.github.com>
Date: Thu, 14 Nov 2024 16:13:27 -0600
Subject: [PATCH] Add Input `range` (#13)

---
 .gitignore         |  3 +++
 action.yml         | 49 ++++++++++++++++++----------------------------
 parse_out_range.py | 28 ++++++++++++++++++++++++++
 3 files changed, 50 insertions(+), 30 deletions(-)
 create mode 100644 parse_out_range.py

diff --git a/.gitignore b/.gitignore
index b6e4761..d577315 100644
--- a/.gitignore
+++ b/.gitignore
@@ -127,3 +127,6 @@ dmypy.json
 
 # Pyre type checker
 .pyre/
+
+.idea/
+
diff --git a/action.yml b/action.yml
index e6ecbce..f6f38d3 100644
--- a/action.yml
+++ b/action.yml
@@ -1,6 +1,12 @@
 name: 'WIPAC Dev Py Versions'
 description: 'GitHub Action Package for Generating a Build Matrix of Supported Python Versions for a Package'
 
+inputs:
+  range:
+    description: 'Optional semantic versioning expression for supported Python releases (e.g., ">=3.9", ">=3.8, <3.13"), if not given then the range will be retrived from python package metadata.'
+    required: false
+    default: ''
+
 outputs:
   matrix:
     description: "List of Supported Python Versions"
@@ -16,44 +22,27 @@ runs:
         python -m venv action_venv
         . action_venv/bin/activate
         pip3 install -r ${{ github.action_path }}/requirements.txt
-        
-        MIN_THRU_MAX_SERIES_SPACED=$(python -c '
-        import os, re
+
+        SEMVER_RANGE="${{ inputs.range }}"
+        if [ -z "$SEMVER_RANGE" ]; then
+          SEMVER_RANGE=$(python ${{ github.action_path }}/parse_out_range.py)
+        fi
+
+        MIN_THRU_MAX_SERIES_SPACED=$(python -c "
         from wipac_dev_tools import semver_parser_tools
-        
-        semver_range = ""
-        if os.path.isfile("pyproject.toml"):
-            # ex: requires-python = ">=3.8, <3.13"
-            pat = re.compile(r"requires-python = \"(?P<semver_range>[^\"]+)\"$")
-            with open("pyproject.toml") as f:
-                for line in f:
-                    if m := pat.match(line):
-                        semver_range = m.group("semver_range")
-            if not semver_range:
-                raise Exception("could not find `requires-python` entry in pyproject.toml")
-        elif os.path.isfile("setup.cfg"):
-            # ex: python_requires = >=3.8, <3.13
-            pat = re.compile(r"python_requires = (?P<semver_range>.+)$")
-            with open("setup.cfg") as f:
-                for line in f:
-                    if m := pat.match(line):
-                        semver_range = m.group("semver_range")
-            if not semver_range:
-                raise Exception("could not find `python_requires` entry in setup.cfg")
-        else:
-            raise Exception("could not find pyproject.toml nor setup.cfg")
-        
+
         top_python = semver_parser_tools.get_latest_py3_release()
         all_matches = semver_parser_tools.list_all_majmin_versions(
           major=top_python[0],
-          semver_range=semver_range,
+          semver_range='$SEMVER_RANGE',
           max_minor=top_python[1],
         )
-        print(" ".join(f"{v[0]}.{v[1]}" for v in all_matches))
-        ')
+        print(' '.join(f'{v[0]}.{v[1]}' for v in all_matches))
+        ")
         
         echo $MIN_THRU_MAX_SERIES_SPACED
-        
+
         # now, output
         echo "matrix=$( echo $MIN_THRU_MAX_SERIES_SPACED | jq -cR 'split(" ")' )" >> $GITHUB_OUTPUT
+
       shell: bash
diff --git a/parse_out_range.py b/parse_out_range.py
new file mode 100644
index 0000000..d67a6a9
--- /dev/null
+++ b/parse_out_range.py
@@ -0,0 +1,28 @@
+"""A script for parsing out ranges from python package metadata files."""
+
+import os
+import re
+
+semver_range = ""
+if os.path.isfile("pyproject.toml"):
+    # ex: requires-python = ">=3.8, <3.13"
+    pat = re.compile(r"requires-python = \"(?P<semver_range>[^\"]+)\"$")
+    with open("pyproject.toml") as f:
+        for line in f:
+            if m := pat.match(line):
+                semver_range = m.group("semver_range")
+    if not semver_range:
+        raise Exception("could not find `requires-python` entry in pyproject.toml")
+elif os.path.isfile("setup.cfg"):
+    # ex: python_requires = >=3.8, <3.13
+    pat = re.compile(r"python_requires = (?P<semver_range>.+)$")
+    with open("setup.cfg") as f:
+        for line in f:
+            if m := pat.match(line):
+                semver_range = m.group("semver_range")
+    if not semver_range:
+        raise Exception("could not find `python_requires` entry in setup.cfg")
+else:
+    raise Exception("could not find pyproject.toml nor setup.cfg")
+
+print(semver_range)