mirror of
https://github.com/crewAIInc/crewAI.git
synced 2026-01-08 07:38:29 +00:00
eb6364284f
This commit fixes a `UnicodeDecodeError` when creating tools. This was caused when reading template files.
342 lines
11 KiB
Python
342 lines
11 KiB
Python
import os
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import shutil
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import sys
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from functools import reduce
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from inspect import isfunction, ismethod
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from typing import Any, Dict, List, get_type_hints
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import click
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import tomli
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from rich.console import Console
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from crewai.cli.constants import ENV_VARS
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from crewai.crew import Crew
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from crewai.flow import Flow
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if sys.version_info >= (3, 11):
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import tomllib
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console = Console()
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def copy_template(src, dst, name, class_name, folder_name):
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"""Copy a file from src to dst."""
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with open(src, "r") as file:
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content = file.read()
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# Interpolate the content
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content = content.replace("{{name}}", name)
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content = content.replace("{{crew_name}}", class_name)
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content = content.replace("{{folder_name}}", folder_name)
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# Write the interpolated content to the new file
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with open(dst, "w") as file:
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file.write(content)
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click.secho(f" - Created {dst}", fg="green")
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def read_toml(file_path: str = "pyproject.toml"):
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"""Read the content of a TOML file and return it as a dictionary."""
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with open(file_path, "rb") as f:
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toml_dict = tomli.load(f)
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return toml_dict
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def parse_toml(content):
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if sys.version_info >= (3, 11):
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return tomllib.loads(content)
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return tomli.loads(content)
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def get_project_name(
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pyproject_path: str = "pyproject.toml", require: bool = False
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) -> str | None:
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"""Get the project name from the pyproject.toml file."""
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return _get_project_attribute(pyproject_path, ["project", "name"], require=require)
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def get_project_version(
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pyproject_path: str = "pyproject.toml", require: bool = False
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) -> str | None:
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"""Get the project version from the pyproject.toml file."""
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return _get_project_attribute(
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pyproject_path, ["project", "version"], require=require
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)
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def get_project_description(
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pyproject_path: str = "pyproject.toml", require: bool = False
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) -> str | None:
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"""Get the project description from the pyproject.toml file."""
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return _get_project_attribute(
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pyproject_path, ["project", "description"], require=require
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)
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def _get_project_attribute(
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pyproject_path: str, keys: List[str], require: bool
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) -> Any | None:
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"""Get an attribute from the pyproject.toml file."""
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attribute = None
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try:
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with open(pyproject_path, "r") as f:
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pyproject_content = parse_toml(f.read())
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dependencies = (
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_get_nested_value(pyproject_content, ["project", "dependencies"]) or []
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)
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if not any(True for dep in dependencies if "crewai" in dep):
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raise Exception("crewai is not in the dependencies.")
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attribute = _get_nested_value(pyproject_content, keys)
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except FileNotFoundError:
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print(f"Error: {pyproject_path} not found.")
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except KeyError:
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print(f"Error: {pyproject_path} is not a valid pyproject.toml file.")
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except tomllib.TOMLDecodeError if sys.version_info >= (3, 11) else Exception as e: # type: ignore
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print(
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f"Error: {pyproject_path} is not a valid TOML file."
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if sys.version_info >= (3, 11)
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else f"Error reading the pyproject.toml file: {e}"
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)
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except Exception as e:
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print(f"Error reading the pyproject.toml file: {e}")
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if require and not attribute:
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console.print(
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f"Unable to read '{'.'.join(keys)}' in the pyproject.toml file. Please verify that the file exists and contains the specified attribute.",
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style="bold red",
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)
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raise SystemExit
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return attribute
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def _get_nested_value(data: Dict[str, Any], keys: List[str]) -> Any:
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return reduce(dict.__getitem__, keys, data)
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def fetch_and_json_env_file(env_file_path: str = ".env") -> dict:
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"""Fetch the environment variables from a .env file and return them as a dictionary."""
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try:
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# Read the .env file
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with open(env_file_path, "r") as f:
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env_content = f.read()
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# Parse the .env file content to a dictionary
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env_dict = {}
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for line in env_content.splitlines():
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if line.strip() and not line.strip().startswith("#"):
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key, value = line.split("=", 1)
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env_dict[key.strip()] = value.strip()
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return env_dict
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except FileNotFoundError:
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print(f"Error: {env_file_path} not found.")
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except Exception as e:
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print(f"Error reading the .env file: {e}")
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return {}
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def tree_copy(source, destination):
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"""Copies the entire directory structure from the source to the destination."""
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for item in os.listdir(source):
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source_item = os.path.join(source, item)
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destination_item = os.path.join(destination, item)
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if os.path.isdir(source_item):
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shutil.copytree(source_item, destination_item)
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else:
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shutil.copy2(source_item, destination_item)
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def tree_find_and_replace(directory, find, replace):
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"""Recursively searches through a directory, replacing a target string in
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both file contents and filenames with a specified replacement string.
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"""
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for path, dirs, files in os.walk(os.path.abspath(directory), topdown=False):
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for filename in files:
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filepath = os.path.join(path, filename)
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with open(filepath, "r", encoding="utf-8", errors="ignore") as file:
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contents = file.read()
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with open(filepath, "w") as file:
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file.write(contents.replace(find, replace))
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if find in filename:
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new_filename = filename.replace(find, replace)
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new_filepath = os.path.join(path, new_filename)
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os.rename(filepath, new_filepath)
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for dirname in dirs:
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if find in dirname:
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new_dirname = dirname.replace(find, replace)
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new_dirpath = os.path.join(path, new_dirname)
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old_dirpath = os.path.join(path, dirname)
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os.rename(old_dirpath, new_dirpath)
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def load_env_vars(folder_path):
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"""
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Loads environment variables from a .env file in the specified folder path.
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Args:
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- folder_path (Path): The path to the folder containing the .env file.
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Returns:
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- dict: A dictionary of environment variables.
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"""
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env_file_path = folder_path / ".env"
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env_vars = {}
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if env_file_path.exists():
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with open(env_file_path, "r") as file:
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for line in file:
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key, _, value = line.strip().partition("=")
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if key and value:
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env_vars[key] = value
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return env_vars
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def update_env_vars(env_vars, provider, model):
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"""
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Updates environment variables with the API key for the selected provider and model.
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Args:
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- env_vars (dict): Environment variables dictionary.
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- provider (str): Selected provider.
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- model (str): Selected model.
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Returns:
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- None
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"""
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api_key_var = ENV_VARS.get(
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provider,
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[
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click.prompt(
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f"Enter the environment variable name for your {provider.capitalize()} API key",
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type=str,
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)
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],
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)[0]
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if api_key_var not in env_vars:
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try:
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env_vars[api_key_var] = click.prompt(
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f"Enter your {provider.capitalize()} API key", type=str, hide_input=True
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)
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except click.exceptions.Abort:
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click.secho("Operation aborted by the user.", fg="red")
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return None
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else:
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click.secho(f"API key already exists for {provider.capitalize()}.", fg="yellow")
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env_vars["MODEL"] = model
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click.secho(f"Selected model: {model}", fg="green")
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return env_vars
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def write_env_file(folder_path, env_vars):
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"""
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Writes environment variables to a .env file in the specified folder.
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Args:
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- folder_path (Path): The path to the folder where the .env file will be written.
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- env_vars (dict): A dictionary of environment variables to write.
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"""
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env_file_path = folder_path / ".env"
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with open(env_file_path, "w") as file:
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for key, value in env_vars.items():
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file.write(f"{key}={value}\n")
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def get_crews(crew_path: str = "crew.py", require: bool = False) -> list[Crew]:
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"""Get the crew instances from the a file."""
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crew_instances = []
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try:
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import importlib.util
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for root, _, files in os.walk("."):
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if crew_path in files:
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crew_os_path = os.path.join(root, crew_path)
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try:
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spec = importlib.util.spec_from_file_location(
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"crew_module", crew_os_path
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)
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if not spec or not spec.loader:
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continue
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module = importlib.util.module_from_spec(spec)
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try:
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sys.modules[spec.name] = module
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spec.loader.exec_module(module)
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for attr_name in dir(module):
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module_attr = getattr(module, attr_name)
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try:
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crew_instances.extend(fetch_crews(module_attr))
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except Exception as e:
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print(f"Error processing attribute {attr_name}: {e}")
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continue
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except Exception as exec_error:
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print(f"Error executing module: {exec_error}")
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import traceback
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print(f"Traceback: {traceback.format_exc()}")
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except (ImportError, AttributeError) as e:
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if require:
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console.print(
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f"Error importing crew from {crew_path}: {str(e)}",
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style="bold red",
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)
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continue
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break
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if require:
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console.print("No valid Crew instance found in crew.py", style="bold red")
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raise SystemExit
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except Exception as e:
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if require:
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console.print(
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f"Unexpected error while loading crew: {str(e)}", style="bold red"
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)
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raise SystemExit
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return crew_instances
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def get_crew_instance(module_attr) -> Crew | None:
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if (
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callable(module_attr)
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and hasattr(module_attr, "is_crew_class")
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and module_attr.is_crew_class
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):
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return module_attr().crew()
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if (ismethod(module_attr) or isfunction(module_attr)) and get_type_hints(
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module_attr
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).get("return") is Crew:
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return module_attr()
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elif isinstance(module_attr, Crew):
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return module_attr
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else:
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return None
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def fetch_crews(module_attr) -> list[Crew]:
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crew_instances: list[Crew] = []
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if crew_instance := get_crew_instance(module_attr):
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crew_instances.append(crew_instance)
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if isinstance(module_attr, type) and issubclass(module_attr, Flow):
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instance = module_attr()
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for attr_name in dir(instance):
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attr = getattr(instance, attr_name)
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if crew_instance := get_crew_instance(attr):
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crew_instances.append(crew_instance)
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return crew_instances
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