Add gitea-shim integration and update workflow services

gitea-shim/python/config.py

@@ -0,0 +1,93 @@
+"""Configuration for GitHub/Gitea API switching."""
+
+import os
+from typing import Optional
+
+
+class APIConfig:
+    """Configuration class for API switching between GitHub and Gitea."""
+    
+    def __init__(self):
+        self.use_gitea = os.getenv('USE_GITEA', 'false').lower() == 'true'
+        self.gitea_url = os.getenv('GITEA_URL', 'http://localhost:3000')
+        self.github_token = os.getenv('GITHUB_TOKEN')
+        self.gitea_token = os.getenv('GITEA_TOKEN') or self.github_token
+        
+    def get_client_class(self):
+        """Get the appropriate client class based on configuration."""
+        if self.use_gitea:
+            try:
+                from gitea_github_shim import GiteaGitHubShim
+                return GiteaGitHubShim
+            except ImportError:
+                # Fallback to GitHub if Gitea shim is not available
+                from github import Github
+                return Github
+        else:
+            from github import Github
+            return Github
+    
+    def get_client_kwargs(self):
+        """Get the appropriate client initialization arguments."""
+        if self.use_gitea:
+            return {
+                'base_url_or_token': self.gitea_token,
+                'base_url': self.gitea_url
+            }
+        else:
+            # For GitHub, we need to pass the token as a positional argument
+            # and return empty kwargs since PyGitHub doesn't use keyword args for token
+            return {}
+    
+    def get_client_args(self):
+        """Get the positional arguments for client initialization."""
+        if self.use_gitea:
+            # Gitea shim uses keyword arguments
+            return []
+        else:
+            # GitHub uses positional argument for token
+            return [self.github_token] if self.github_token else []
+
+
+# Global configuration instance
+config = APIConfig()
+
+
+def get_github_client():
+    """
+    Get a GitHub-compatible client (either real GitHub or Gitea shim).
+    
+    Returns:
+        GitHub-compatible client instance
+    """
+    client_class = config.get_client_class()
+    args = config.get_client_args()
+    kwargs = config.get_client_kwargs()
+    
+    if not config.github_token and not config.gitea_token:
+        raise ValueError(
+            "No API token found. Please set either GITHUB_TOKEN or GITEA_TOKEN environment variable."
+        )
+    
+    return client_class(*args, **kwargs)
+
+
+def is_gitea_mode():
+    """Check if we're running in Gitea mode."""
+    return config.use_gitea
+
+
+def get_api_info():
+    """Get information about the current API configuration."""
+    if config.use_gitea:
+        return {
+            'type': 'gitea',
+            'url': config.gitea_url,
+            'token_set': bool(config.gitea_token)
+        }
+    else:
+        return {
+            'type': 'github',
+            'url': 'https://api.github.com',
+            'token_set': bool(config.github_token)
+        }