feat(irrexplorer-cli): init

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "pip" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/linter.yml

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+name: Test (linter/formatter)
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.13"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        pip install --upgrade uv
+        uv pip install --system --break-system-packages -r requirements.txt
+
+    - name: Check YAML files
+      run: |
+        pre-commit run check-yaml --all-files
+
+    - name: Check file endings
+      run: |
+        pre-commit run end-of-file-fixer --all-files
+
+    - name: Check trailing whitespace
+      run: |
+        pre-commit run trailing-whitespace --all-files
+
+    - name: Check TOML files
+      run: |
+        pre-commit run check-toml --all-files
+
+    - name: Check large files
+      run: |
+        pre-commit run check-added-large-files --all-files
+
+    - name: Run isort
+      run: |
+        isort --check --diff $(git ls-files '*.py')
+
+    - name: Run black
+      run: |
+        black --check --diff $(git ls-files '*.py')
+
+    - name: Run ruff
+      run: |
+        ruff check $(git ls-files '*.py')
+
+    - name: Run mypy
+      run: |
+        mypy $(git ls-files '*.py')
+
+    - name: Run pylint
+      run: |
+        pylint --rcfile=pyproject.toml $(git ls-files '*.py')
+

.pre-commit-config.yaml

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+repos:
+- repo: https://github.com/pre-commit/pre-commit-hooks
+  rev: 'v4.5.0'
+  hooks:
+    - id: check-yaml
+    - id: end-of-file-fixer
+    - id: trailing-whitespace
+    - id: check-toml
+    - id: check-added-large-files
+
+- repo: local
+  hooks:
+    - id: isort
+      name: isort
+      entry: isort
+      language: system
+      types: [python]
+
+    - id: black
+      name: black
+      entry: black
+      language: python
+      types_or: [python, pyi]
+
+    - id: ruff
+      name: ruff
+      entry: ruff check
+      language: python
+      types_or: [python, pyi]
+
+    - id: mypy
+      name: mypy
+      entry: mypy
+      language: python
+      types_or: [python, pyi]
+      require_serial: true
+
+    - id: pylint
+      name: pylint
+      entry: pylint
+      language: system
+      types: [python]
+      args:
+        - --rcfile=pyproject.toml

README.md

@@ -1 +1,21 @@
-# irrexplorer-cli
+# irrexplorer-cli
+
+Here's how to compile and install the package using uv:
+
+uv pip install --editable ".[dev]"
+
+Copied
+
+Execute
+
+For a production build without development dependencies:
+
+uv pip install .
+
+
+
+
+pytest tests/ -v --cov=irrexplorer_cli
+
+
+TODO: Update README

irrexplorer_cli/irrexplorer.py

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+"""Core functionality for IRR Explorer CLI."""
+
+from typing import Dict, List
+
+import backoff
+import httpx
+from rich.columns import Columns
+from rich.console import Console
+from rich.panel import Panel
+from rich.table import Table
+from rich.text import Text
+
+from .models import PrefixInfo
+
+
+class IrrExplorer:
+    """IRR Explorer API client for prefix information retrieval."""
+
+    def __init__(self, base_url: str = "https://irrexplorer.nlnog.net") -> None:
+        """Initialize IRR Explorer client with base URL."""
+        self.base_url = base_url
+        self.client = httpx.AsyncClient()
+
+    @backoff.on_exception(backoff.expo, (httpx.HTTPError, httpx.RequestError), max_tries=3, max_time=30)
+    async def fetch_prefix_info(self, prefix: str) -> List[PrefixInfo]:
+        """Fetch prefix information from IRR Explorer API."""
+        url = f"{self.base_url}/api/prefixes/prefix/{prefix}"
+        response = await self.client.get(url)
+        response.raise_for_status()
+        return [PrefixInfo(**item) for item in response.json()]
+
+    async def close(self) -> None:
+        """Close the HTTP client connection."""
+        await self.client.aclose()
+
+
+class IrrDisplay:
+    """Display handler for IRR Explorer prefix information."""
+
+    def __init__(self) -> None:
+        """Initialize display handler with Rich console."""
+        self.console = Console()
+
+    async def create_prefix_panel(self, info: PrefixInfo) -> Panel:
+        """Create Rich panel with prefix information."""
+        table = Table(show_header=True, header_style="bold cyan", expand=True)
+        table.add_column("Property")
+        table.add_column("Value")
+
+        # Add basic info asynchronously
+        await self.add_basic_info(table, info)
+        await self.add_bgp_origins(table, info)
+        await self.add_rpki_routes(table, info)
+        await self.add_irr_routes(table, info)
+        await self.add_status(table, info)
+        await self.add_messages(table, info)
+
+        return Panel(
+            table,
+            title=f"[bold]{info.prefix}[/bold]",
+            expand=False,
+            border_style=await self.get_status_style(info.categoryOverall),
+        )
+
+    async def sort_and_group_panels(self, prefix_infos: List[PrefixInfo]) -> List[Panel]:
+        """Sort and group prefix information panels by status category."""
+        status_groups: Dict[str, List[Panel]] = {"success": [], "warning": [], "error": [], "danger": [], "info": []}
+
+        sorted_infos = sorted(prefix_infos, key=lambda x: (-int(x.prefix.split("/")[1]), x.categoryOverall))
+
+        for info in sorted_infos:
+            panel = await self.create_prefix_panel(info)
+            status_groups[info.categoryOverall].append(panel)
+
+        return [
+            panel for status in ["success", "warning", "error", "danger", "info"] for panel in status_groups[status]
+        ]
+
+    async def add_basic_info(self, table: Table, info: PrefixInfo) -> None:
+        """Add basic prefix information to the display table."""
+        table.add_row("Prefix", info.prefix)
+        table.add_row("RIR", info.rir)
+
+    async def add_bgp_origins(self, table: Table, info: PrefixInfo) -> None:
+        """Add BGP origin information to the display table."""
+        bgp_origins = ", ".join(f"AS{asn}" for asn in info.bgpOrigins) if info.bgpOrigins else "None"
+        table.add_row("BGP Origins", bgp_origins)
+
+    async def add_rpki_routes(self, table: Table, info: PrefixInfo) -> None:
+        """Add RPKI route information to the display table."""
+        if info.rpkiRoutes:
+            rpki_rows = [
+                f"AS{route.asn} (MaxLength: {route.rpkiMaxLength}, Status: {route.rpkiStatus})"
+                for route in info.rpkiRoutes
+            ]
+            table.add_row("RPKI Routes", "\n".join(rpki_rows))
+
+    async def add_irr_routes(self, table: Table, info: PrefixInfo) -> None:
+        """Add IRR route information to the display table."""
+        if info.irrRoutes:
+            irr_rows = [
+                f"{db}: AS{route.asn} ({route.rpkiStatus})" for db, routes in info.irrRoutes.items() for route in routes
+            ]
+            if irr_rows:
+                table.add_row("IRR Routes", "\n".join(irr_rows))
+
+    async def add_status(self, table: Table, info: PrefixInfo) -> None:
+        """Add status information to the display table."""
+        status_style = await self.get_status_style(info.categoryOverall)
+        table.add_row("Status", Text(info.categoryOverall, style=status_style))
+
+    async def add_messages(self, table: Table, info: PrefixInfo) -> None:
+        """Add message information to the display table."""
+        if info.messages:
+            messages = "\n".join(f"• {msg.text}" for msg in info.messages)
+            table.add_row("Messages", messages)
+
+    async def get_status_style(self, category: str) -> str:
+        """Get Rich style color based on status category."""
+        return {"success": "green", "warning": "yellow", "error": "red", "danger": "red", "info": "blue"}.get(
+            category, "white"
+        )
+
+    async def display_prefix_info(self, direct_overlaps: List[PrefixInfo]) -> None:
+        """Display prefix information in Rich panels."""
+        direct_panels = await self.sort_and_group_panels(direct_overlaps)
+
+        direct_columns = Columns(direct_panels, equal=True, expand=True)
+        self.console.print(
+            Panel(
+                direct_columns,
+                title=f"[bold]Directly overlapping prefixes of {direct_overlaps[0].prefix}[/bold]",
+                expand=False,
+            )
+        )
+
+        least_specific = None
+        for info in direct_overlaps:
+            if "/" in info.prefix:
+                _, mask = info.prefix.split("/")
+                if least_specific is None or int(mask) < int(least_specific.split("/")[1]):
+                    least_specific = info.prefix
+
+        if least_specific:
+            try:
+                explorer = IrrExplorer()
+                all_overlaps = await explorer.fetch_prefix_info(least_specific)
+                all_panels = await self.sort_and_group_panels(all_overlaps)
+                all_columns = Columns(all_panels, equal=True, expand=True)
+
+                self.console.print("\n")
+                self.console.print(
+                    Panel(
+                        all_columns,
+                        title=f"[bold]All overlaps of least specific match {least_specific}[/bold]",
+                        expand=False,
+                    )
+                )
+                await explorer.close()
+            except (httpx.HTTPError, ValueError, RuntimeError) as e:
+                self.console.print(f"[red]Error fetching overlaps for {least_specific}: {e}[/red]")

irrexplorer_cli/main.py

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+"""Command-line interface for IRR Explorer queries."""
+
+import asyncio
+import json
+from importlib.metadata import version
+from typing import Optional
+
+import typer
+from rich.console import Console
+
+from irrexplorer_cli.irrexplorer import IrrDisplay, IrrExplorer
+
+__version__ = version("irrexplorer-cli")
+
+app = typer.Typer(
+    help="CLI tool to query IRR Explorer data for prefix information",
+    no_args_is_help=True,
+    context_settings={"help_option_names": ["-h", "--help"]},
+)
+console = Console()
+
+
+def version_display(display_version: bool) -> None:
+    """Display version information and exit."""
+    if display_version:
+        print(f"[bold]IRR Explorer CLI[/bold] version: {__version__}")
+        raise typer.Exit()
+
+
+@app.callback()
+def callback(
+    _: bool = typer.Option(None, "--version", "-v", callback=version_display, is_eager=True),
+) -> None:
+    """Query IRR Explorer for prefix information."""
+
+
+@app.command(no_args_is_help=True)
+def query(
+    ctx: typer.Context,
+    prefix: str = typer.Argument(
+        None,
+        help="IP prefix to query (e.g., 5.57.21.0/24)",
+    ),
+    output_format: Optional[str] = typer.Option(
+        None,
+        "--format",
+        "-f",
+        help="Output format (table, json)",
+    ),
+) -> None:
+    """Query IRR Explorer for prefix information."""
+    if not prefix:
+        ctx.get_help()
+        raise typer.Exit()
+    asyncio.run(async_query(prefix, output_format))
+
+
+async def async_query(prefix: str, output_format: Optional[str] = None) -> None:
+    """Execute asynchronous prefix query and display results."""
+    explorer = IrrExplorer()
+    display = IrrDisplay()
+    try:
+        results = await explorer.fetch_prefix_info(prefix)
+        if output_format == "json":
+            json_data = [result.model_dump() for result in results]
+            print(json.dumps(json_data, indent=2))
+        else:
+            await display.display_prefix_info(results)
+    finally:
+        await explorer.close()