CLI for Tool Repository (#1357)

This commit adds two commands to the CLI:

- `crewai tool publish`
    - Builds the project using Poetry
    - Uploads the tarball to CrewAI's tool repository

- `crewai tool install my-tool`
    - Adds my-tool's index to Poetry and its credentials
    - Installs my-tool from the custom index

src/crewai/cli/tools/main.py

@@ -0,0 +1,168 @@
+import base64
+import click
+import os
+import subprocess
+import tempfile
+
+from crewai.cli.command import BaseCommand, PlusAPIMixin
+from crewai.cli.utils import (
+    get_project_name,
+    get_project_description,
+    get_project_version,
+)
+from rich.console import Console
+
+console = Console()
+
+
+class ToolCommand(BaseCommand, PlusAPIMixin):
+    """
+    A class to handle tool repository related operations for CrewAI projects.
+    """
+
+    def __init__(self):
+        BaseCommand.__init__(self)
+        PlusAPIMixin.__init__(self, telemetry=self._telemetry)
+
+    def publish(self, is_public: bool):
+        project_name = get_project_name(require=True)
+        assert isinstance(project_name, str)
+
+        project_version = get_project_version(require=True)
+        assert isinstance(project_version, str)
+
+        project_description = get_project_description(require=False)
+        encoded_tarball = None
+
+        with tempfile.TemporaryDirectory() as temp_build_dir:
+            subprocess.run(
+                ["poetry", "build", "-f", "sdist", "--output", temp_build_dir],
+                check=True,
+                capture_output=False,
+            )
+
+            tarball_filename = next(
+                (f for f in os.listdir(temp_build_dir) if f.endswith(".tar.gz")), None
+            )
+            if not tarball_filename:
+                console.print(
+                    "Project build failed. Please ensure that the command `poetry build -f sdist` completes successfully.",
+                    style="bold red",
+                )
+                raise SystemExit
+
+            tarball_path = os.path.join(temp_build_dir, tarball_filename)
+            with open(tarball_path, "rb") as file:
+                tarball_contents = file.read()
+
+            encoded_tarball = base64.b64encode(tarball_contents).decode("utf-8")
+
+        publish_response = self.plus_api_client.publish_tool(
+            handle=project_name,
+            is_public=is_public,
+            version=project_version,
+            description=project_description,
+            encoded_file=f"data:application/x-gzip;base64,{encoded_tarball}",
+        )
+        if publish_response.status_code == 422:
+            console.print(
+                "[bold red]Failed to publish tool. Please fix the following errors:[/bold red]"
+            )
+            for field, messages in publish_response.json().items():
+                for message in messages:
+                    console.print(
+                        f"* [bold red]{field.capitalize()}[/bold red] {message}"
+                    )
+
+            raise SystemExit
+        elif publish_response.status_code != 200:
+            self._handle_plus_api_error(publish_response.json())
+            console.print(
+                "Failed to publish tool. Please try again later.", style="bold red"
+            )
+            raise SystemExit
+
+        published_handle = publish_response.json()["handle"]
+        console.print(
+            f"Succesfully published {published_handle} ({project_version}).\nInstall it in other projects with crewai tool install {published_handle}",
+            style="bold green",
+        )
+
+    def install(self, handle: str):
+        get_response = self.plus_api_client.get_tool(handle)
+
+        if get_response.status_code == 404:
+            console.print(
+                "No tool found with this name. Please ensure the tool was published and you have access to it.",
+                style="bold red",
+            )
+            raise SystemExit
+        elif get_response.status_code != 200:
+            console.print(
+                "Failed to get tool details. Please try again later.", style="bold red"
+            )
+            raise SystemExit
+
+        self._add_repository_to_poetry(get_response.json())
+        self._add_package(get_response.json())
+
+        console.print(f"Succesfully installed {handle}", style="bold green")
+
+    def _add_repository_to_poetry(self, tool_details):
+        repository_handle = f"crewai-{tool_details['repository']['handle']}"
+        repository_url = tool_details["repository"]["url"]
+        repository_credentials = tool_details["repository"]["credentials"]
+
+        add_repository_command = [
+            "poetry",
+            "source",
+            "add",
+            "--priority=explicit",
+            repository_handle,
+            repository_url,
+        ]
+        add_repository_result = subprocess.run(
+            add_repository_command, text=True, check=True
+        )
+
+        if add_repository_result.stderr:
+            click.echo(add_repository_result.stderr, err=True)
+            raise SystemExit
+
+        add_repository_credentials_command = [
+            "poetry",
+            "config",
+            f"http-basic.{repository_handle}",
+            repository_credentials,
+            '""',
+        ]
+        add_repository_credentials_result = subprocess.run(
+            add_repository_credentials_command,
+            capture_output=False,
+            text=True,
+            check=True,
+        )
+
+        if add_repository_credentials_result.stderr:
+            click.echo(add_repository_credentials_result.stderr, err=True)
+            raise SystemExit
+
+    def _add_package(self, tool_details):
+        tool_handle = tool_details["handle"]
+        repository_handle = tool_details["repository"]["handle"]
+        pypi_index_handle = f"crewai-{repository_handle}"
+
+        add_package_command = [
+            "poetry",
+            "add",
+            "--source",
+            pypi_index_handle,
+            tool_handle,
+        ]
+        add_package_result = subprocess.run(
+            add_package_command, capture_output=False, text=True, check=True
+        )
+
+        if add_package_result.stderr:
+            click.echo(add_package_result.stderr, err=True)
+            raise SystemExit