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from typing import Optional
from taskipy.exceptions import MalformedTaskError
class Task:
def __init__(self, task_name: str, task_toml_contents: object):
self.__task_name = task_name
self.__task_command = self.__extract_task_command(task_toml_contents)
self.__task_description = self.__extract_task_description(task_toml_contents)
self.__task_use_vars = self.__extract_task_use_vars(task_toml_contents)
self.__task_workdir = self.__extract_task_workdir(task_toml_contents)
@property
def name(self) -> str:
return self.__task_name
@property
def command(self) -> str:
return self.__task_command
@property
def workdir(self) -> Optional[str]:
return self.__task_workdir
@property
def description(self) -> str:
return self.__task_description
@property
def use_vars(self) -> Optional[bool]:
return self.__task_use_vars
def __extract_task_use_vars(self, task_toml_contents: object) -> Optional[bool]:
if isinstance(task_toml_contents, str):
return None
if isinstance(task_toml_contents, dict):
value = task_toml_contents.get('use_vars')
if value is not None and not isinstance(value, bool):
raise MalformedTaskError(self.__task_name, f'task\'s "use_vars" arg has to be bool type got {type(value)}')
return value
raise MalformedTaskError(self.__task_name, 'tasks must be strings, or dicts that contain { cmd, cwd, help, use_vars }')
def __extract_task_command(self, task_toml_contents: object) -> str:
if isinstance(task_toml_contents, str):
return task_toml_contents
if isinstance(task_toml_contents, dict):
try:
return task_toml_contents['cmd']
except KeyError:
raise MalformedTaskError(self.__task_name, 'the task item does not have the "cmd" property')
raise MalformedTaskError(self.__task_name, 'tasks must be strings, or dicts that contain { cmd, cwd, help, use_vars }')
def __extract_task_workdir(self, task_toml_contents: object) -> Optional[str]:
if isinstance(task_toml_contents, str):
return None
if isinstance(task_toml_contents, dict):
value = task_toml_contents.get('cwd')
if value is not None and not isinstance(value, str):
raise MalformedTaskError(self.__task_name, f'task\'s "cwd" arg has to be str type got {type(value)}')
return value
raise MalformedTaskError(self.__task_name, 'tasks must be strings, or dicts that contain { cmd, cwd, help, use_vars }')
def __extract_task_description(self, task_toml_contents: object) -> str:
if isinstance(task_toml_contents, str):
return ''
if isinstance(task_toml_contents, dict):
try:
return task_toml_contents['help']
except KeyError:
return ''
raise MalformedTaskError(self.__task_name, 'tasks must be strings, or dicts that contain { cmd, cwd, help, use_vars }')
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