Files
recon-pipeline/pipeline/tools/loader.py
2020-04-25 15:00:02 -05:00

59 lines
1.8 KiB
Python

import yaml
from pathlib import Path
from ..recon.config import tool_paths, defaults
definitions = Path(__file__).parent
def join(loader, node):
""" yaml tag handler to join a sequence of items into a space-separated string at load time """
seq = loader.construct_sequence(node)
return " ".join([str(val) for val in seq])
def join_empty(loader, node):
""" yaml tag handler to join a sequence of items into a single string with no separations """
seq = loader.construct_sequence(node)
return "".join([str(val) for val in seq])
def join_path(loader, node):
""" yaml tag handler to join a sequence of items into a filesystem path at load time """
seq = loader.construct_sequence(node)
return "/".join([str(i) for i in seq])
def get_default(loader, node):
""" yaml tag handler to access defaults dict at load time """
py_str = loader.construct_python_str(node)
return py_str.format(**defaults)
def get_parent(loader, node):
""" yaml tag handler to access tool parents """
py_str = loader.construct_python_str(node)
return Path(py_str.format(**tool_paths)).parent
def get_tool_path(loader, node):
""" yaml tag handler to access tool_paths dict at load time """
py_str = loader.construct_python_str(node)
return py_str.format(**tool_paths)
yaml.add_constructor("!join", join)
yaml.add_constructor("!join_empty", join_empty)
yaml.add_constructor("!join_path", join_path)
yaml.add_constructor("!get_default", get_default)
yaml.add_constructor("!get_tool_path", get_tool_path)
yaml.add_constructor("!get_parent", get_parent)
tools = {}
for file in definitions.iterdir():
if file.name.endswith(".yaml"):
config = yaml.full_load(file.read_text())
tool_name = str(file.name.replace(".yaml", ""))
tools[tool_name] = config