Add GitHub view issue tool

src/codegen/extensions/tools/__init__.py

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+"""Tools for Codegen."""

src/codegen/extensions/tools/github/__init__.py

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+"""GitHub tools for Codegen."""

src/codegen/extensions/tools/github/github_view_issue.py

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+"""Tool for viewing GitHub issues."""
+
+from github import Github
+from github.GithubException import UnknownObjectException
+
+from codegen.sdk.core.codebase import Codebase
+from codegen.shared.logging.get_logger import get_logger
+
+logger = get_logger(__name__)
+
+
+def github_view_issue(
+    codebase: Codebase,
+    repo_full_name: str,
+    issue_number: int,
+) -> dict:
+    """View a GitHub issue by its number.
+
+    Args:
+        codebase: The codebase instance
+        repo_full_name: The full name of the repository (e.g., "owner/repo")
+        issue_number: The issue number to view
+
+    Returns:
+        Dict containing the issue details
+    """
+    try:
+        # Get GitHub token from environment
+        token = codebase._op.access_token
+        if not token:
+            return {"error": "GitHub token not available"}
+
+        # Initialize GitHub client
+        g = Github(token)
+
+        try:
+            # Get repository
+            repo = g.get_repo(repo_full_name)
+
+            # Get issue
+            issue = repo.get_issue(issue_number)
+
+            # Format issue data
+            issue_data = {
+                "number": issue.number,
+                "title": issue.title,
+                "state": issue.state,
+                "created_at": issue.created_at.isoformat() if issue.created_at else None,
+                "updated_at": issue.updated_at.isoformat() if issue.updated_at else None,
+                "closed_at": issue.closed_at.isoformat() if issue.closed_at else None,
+                "user": {
+                    "login": issue.user.login,
+                    "id": issue.user.id,
+                    "type": issue.user.type,
+                }
+                if issue.user
+                else None,
+                "body": issue.body,
+                "labels": [label.name for label in issue.labels],
+                "assignees": [assignee.login for assignee in issue.assignees],
+                "comments_count": issue.comments,
+                "html_url": issue.html_url,
+            }
+
+            # Get comments if available
+            if issue.comments > 0:
+                comments = []
+                for comment in issue.get_comments():
+                    comments.append(
+                        {
+                            "id": comment.id,
+                            "user": comment.user.login if comment.user else None,
+                            "created_at": comment.created_at.isoformat() if comment.created_at else None,
+                            "updated_at": comment.updated_at.isoformat() if comment.updated_at else None,
+                            "body": comment.body,
+                        }
+                    )
+                issue_data["comments"] = comments
+
+            return {"success": True, "issue": issue_data}
+
+        except UnknownObjectException:
+            return {"success": False, "error": f"Issue #{issue_number} not found in repository {repo_full_name}"}
+        except Exception as e:
+            logger.exception(f"Error fetching GitHub issue: {e!s}")
+            return {"success": False, "error": f"Error fetching GitHub issue: {e!s}"}
+
+    except Exception as e:
+        logger.exception(f"Error in github_view_issue: {e!s}")
+        return {"success": False, "error": f"Error in github_view_issue: {e!s}"}

src/codegen/extensions/tools/github/view_github_issue.py

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+"""Tool for viewing GitHub issues."""
+
+from github import Github
+from github.GithubException import UnknownObjectException
+
+from codegen.sdk.core.codebase import Codebase
+from codegen.shared.logging.get_logger import get_logger
+
+logger = get_logger(__name__)
+
+
+def view_github_issue(
+    codebase: Codebase,
+    repo_full_name: str,
+    issue_number: int,
+) -> dict:
+    """View a GitHub issue by its number.
+
+    Args:
+        codebase: The codebase instance
+        repo_full_name: The full name of the repository (e.g., "owner/repo")
+        issue_number: The issue number to view
+
+    Returns:
+        Dict containing the issue details
+    """
+    try:
+        # Get GitHub token from environment
+        token = codebase._op.access_token
+        if not token:
+            return {"error": "GitHub token not available"}
+
+        # Initialize GitHub client
+        g = Github(token)
+
+        try:
+            # Get repository
+            repo = g.get_repo(repo_full_name)
+
+            # Get issue
+            issue = repo.get_issue(issue_number)
+
+            # Format issue data
+            issue_data = {
+                "number": issue.number,
+                "title": issue.title,
+                "state": issue.state,
+                "created_at": issue.created_at.isoformat() if issue.created_at else None,
+                "updated_at": issue.updated_at.isoformat() if issue.updated_at else None,
+                "closed_at": issue.closed_at.isoformat() if issue.closed_at else None,
+                "user": {
+                    "login": issue.user.login,
+                    "id": issue.user.id,
+                    "type": issue.user.type,
+                }
+                if issue.user
+                else None,
+                "body": issue.body,
+                "labels": [label.name for label in issue.labels],
+                "assignees": [assignee.login for assignee in issue.assignees],
+                "comments_count": issue.comments,
+                "html_url": issue.html_url,
+            }
+
+            # Get comments if available
+            if issue.comments > 0:
+                comments = []
+                for comment in issue.get_comments():
+                    comments.append(
+                        {
+                            "id": comment.id,
+                            "user": comment.user.login if comment.user else None,
+                            "created_at": comment.created_at.isoformat() if comment.created_at else None,
+                            "updated_at": comment.updated_at.isoformat() if comment.updated_at else None,
+                            "body": comment.body,
+                        }
+                    )
+                issue_data["comments"] = comments
+
+            return {"success": True, "issue": issue_data}
+
+        except UnknownObjectException:
+            return {"success": False, "error": f"Issue #{issue_number} not found in repository {repo_full_name}"}
+        except Exception as e:
+            logger.exception(f"Error fetching GitHub issue: {e!s}")
+            return {"success": False, "error": f"Error fetching GitHub issue: {e!s}"}
+
+    except Exception as e:
+        logger.exception(f"Error in view_github_issue: {e!s}")
+        return {"success": False, "error": f"Error in view_github_issue: {e!s}"}