Update GitHub Actions script and create a modules updating script

Author: mikomikotaishi

.github/workflows/update-module-exports.yml

@@ -0,0 +1,81 @@
+name: Update Module Exports
+
+on:
+  pull_request:
+    paths:
+      - 'httplib.h'
+  push:
+    branches:
+      - master
+      - main
+    paths:
+      - 'httplib.h'
+
+jobs:
+  update-exports:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Fetch all history for proper diff
+          
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          
+      - name: Check for changes in httplib.h
+        id: check_changes
+        run: |
+          if git diff --name-only HEAD~1 HEAD | grep -q "httplib.h"; then
+            echo "changes=true" >> $GITHUB_OUTPUT
+          else
+            echo "changes=false" >> $GITHUB_OUTPUT
+          fi
+          
+      - name: Update module exports
+        if: steps.check_changes.outputs.changes == 'true'
+        run: |
+          python3 update_modules.py
+          
+      - name: Check if module file was modified
+        if: steps.check_changes.outputs.changes == 'true'
+        id: check_module_changes
+        run: |
+          if git diff --quiet modules/httplib.cppm; then
+            echo "modified=false" >> $GITHUB_OUTPUT
+          else
+            echo "modified=true" >> $GITHUB_OUTPUT
+          fi
+          
+      - name: Commit changes
+        if: steps.check_module_changes.outputs.modified == 'true'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add modules/httplib.cppm
+          git commit -m "chore: update module exports for httplib.h changes"
+          
+      - name: Push changes (for push events)
+        if: steps.check_module_changes.outputs.modified == 'true' && github.event_name == 'push'
+        run: |
+          git push
+          
+      - name: Push changes (for pull requests)
+        if: steps.check_module_changes.outputs.modified == 'true' && github.event_name == 'pull_request'
+        run: |
+          git push origin HEAD:${{ github.head_ref }}
+          
+      - name: Add comment to PR
+        if: steps.check_module_changes.outputs.modified == 'true' && github.event_name == 'pull_request'
+        uses: actions/github-script@v7
+        with:
+          script: |
+            github.rest.issues.createComment({
+              issue_number: context.issue.number,
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              body: '✅ Module exports have been automatically updated based on changes to `httplib.h`.'
+            })

modules/httplib.cppm

@@ -1,5 +1,5 @@
 //
-//  httplib.h
+//  httplib.cppm
 //
 //  Copyright (c) 2025 Yuji Hirose. All rights reserved.
 //  MIT License

split.py

@@ -2,66 +2,74 @@
 
 """This script splits httplib.h into .h and .cc parts."""
 
-import argparse
 import os
 import sys
+from argparse import ArgumentParser, Namespace
+from typing import List
 
-border = '// ----------------------------------------------------------------------------'
 
-args_parser = argparse.ArgumentParser(description=__doc__)
-args_parser.add_argument(
-    "-e", "--extension", help="extension of the implementation file (default: cc)",
-    default="cc"
-)
-args_parser.add_argument(
-    "-o", "--out", help="where to write the files (default: out)", default="out"
-)
-args = args_parser.parse_args()
+def main() -> None:
+    """Main entry point for the script."""
+    BORDER: str = '// ----------------------------------------------------------------------------'
 
-cur_dir = os.path.dirname(sys.argv[0])
-lib_name = 'httplib'
-header_name = '/' + lib_name + '.h'
-source_name = '/' + lib_name + '.' + args.extension
-# get the input file
-in_file = cur_dir + header_name
-# get the output file
-h_out = args.out + header_name
-cc_out = args.out + source_name
+    args_parser: ArgumentParser = ArgumentParser(description=__doc__)
+    args_parser.add_argument(
+        "-e", "--extension", help="extension of the implementation file (default: cc)",
+        default="cc"
+    )
+    args_parser.add_argument(
+        "-o", "--out", help="where to write the files (default: out)", default="out"
+    )
+    args: Namespace = args_parser.parse_args()
 
-# if the modification time of the out file is after the in file,
-# don't split (as it is already finished)
-do_split = True
+    cur_dir: str = os.path.dirname(sys.argv[0])
+    lib_name: str = 'httplib'
+    header_name: str = f"/{lib_name}.h"
+    source_name: str = f"/{lib_name}.{args.extension}"
+    # get the input file
+    in_file: str = cur_dir + header_name
+    # get the output file
+    h_out: str = args.out + header_name
+    cc_out: str = args.out + source_name
 
-if os.path.exists(h_out):
-    in_time = os.path.getmtime(in_file)
-    out_time = os.path.getmtime(h_out)
-    do_split = in_time > out_time
+    # if the modification time of the out file is after the in file,
+    # don't split (as it is already finished)
+    do_split: bool = True
 
-if do_split:
-    with open(in_file) as f:
-        lines = f.readlines()
+    if os.path.exists(h_out):
+        in_time: float = os.path.getmtime(in_file)
+        out_time: float = os.path.getmtime(h_out)
+        do_split: bool = in_time > out_time
 
-    python_version = sys.version_info[0]
-    if python_version < 3:
-        os.makedirs(args.out)
+    if do_split:
+        with open(in_file) as f:
+            lines: List[str] = f.readlines()
+
+        python_version: int = sys.version_info[0]
+        if python_version < 3:
+            os.makedirs(args.out)
+        else:
+            os.makedirs(args.out, exist_ok=True)
+
+        in_implementation: bool = False
+        cc_out: str = args.out + source_name
+        with open(h_out, 'w') as fh, open(cc_out, 'w') as fc:
+            fc.write('#include "httplib.h"\n')
+            fc.write('namespace httplib {\n')
+            for line in lines:
+                is_border_line: bool = BORDER in line
+                if is_border_line:
+                    in_implementation: bool = not in_implementation
+                elif in_implementation:
+                    fc.write(line.replace('inline ', ''))
+                else:
+                    fh.write(line)
+            fc.write('} // namespace httplib\n')
+
+        print(f"Wrote {h_out} and {cc_out}")
     else:
-        os.makedirs(args.out, exist_ok=True)
+        print(f"{h_out} and {cc_out} are up to date")
 
-    in_implementation = False
-    cc_out = args.out + source_name
-    with open(h_out, 'w') as fh, open(cc_out, 'w') as fc:
-        fc.write('#include "httplib.h"\n')
-        fc.write('namespace httplib {\n')
-        for line in lines:
-            is_border_line = border in line
-            if is_border_line:
-                in_implementation = not in_implementation
-            elif in_implementation:
-                fc.write(line.replace('inline ', ''))
-            else:
-                fh.write(line)
-        fc.write('} // namespace httplib\n')
 
-    print("Wrote {} and {}".format(h_out, cc_out))
-else:
-    print("{} and {} are up to date".format(h_out, cc_out))
+if __name__ == "__main__":
+    main()