qmk-dactyl-manuform-a/lib/python/qmk/path.py

79 lines
2.1 KiB
Python
Raw Normal View History

"""Functions that help us work with files and folders.
"""
import logging
import os
import argparse
from pathlib import Path
from qmk.constants import MAX_KEYBOARD_SUBFOLDERS, QMK_FIRMWARE
from qmk.errors import NoSuchKeyboardError
def is_keyboard(keyboard_name):
"""Returns True if `keyboard_name` is a keyboard we can compile.
"""
if keyboard_name:
keyboard_path = QMK_FIRMWARE / 'keyboards' / keyboard_name
rules_mk = keyboard_path / 'rules.mk'
return rules_mk.exists()
def under_qmk_firmware():
"""Returns a Path object representing the relative path under qmk_firmware, or None.
"""
cwd = Path(os.environ['ORIG_CWD'])
try:
return cwd.relative_to(QMK_FIRMWARE)
except ValueError:
return None
def keyboard(keyboard_name):
"""Returns the path to a keyboard's directory relative to the qmk root.
"""
return Path('keyboards') / keyboard_name
def keymap(keyboard_name):
"""Locate the correct directory for storing a keymap.
Args:
keyboard_name
The name of the keyboard. Example: clueboard/66/rev3
"""
keyboard_folder = keyboard(keyboard_name)
for i in range(MAX_KEYBOARD_SUBFOLDERS):
if (keyboard_folder / 'keymaps').exists():
return (keyboard_folder / 'keymaps').resolve()
keyboard_folder = keyboard_folder.parent
logging.error('Could not find the keymaps directory!')
raise NoSuchKeyboardError('Could not find keymaps directory for: %s' % keyboard_name)
def normpath(path):
"""Returns a `pathlib.Path()` object for a given path.
This will use the path to a file as seen from the directory the script was called from. You should use this to normalize filenames supplied from the command line.
"""
path = Path(path)
if path.is_absolute():
return path
return Path(os.environ['ORIG_CWD']) / path
class FileType(argparse.FileType):
def __call__(self, string):
"""normalize and check exists
otherwise magic strings like '-' for stdin resolve to bad paths
"""
norm = normpath(string)
return super().__call__(norm if norm.exists() else string)