kallithea Files · rhodecode/lib/vcs/utils/paths.py

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Mads Kiilerich

follow Python conventions for boolean values

True and False might be singletons and the "default" values for "boolean"
expressions, but "all" values in Python has a boolean value and should be
evaluated as such. Checking with 'is True' and 'is False' is thus confusing,
error prone and unnessarily complex.

If we anywhere rely and nullable boolean fields from the database layer and
don't want the null value to be treated as False then we should check
explicitly for null with 'is None'.

import os

abspath = lambda * p: os.path.abspath(os.path.join(*p))


def get_dirs_for_path(*paths):
    """
    Returns list of directories, including intermediate.
    """
    for path in paths:
        head = path
        while head:
            head, tail = os.path.split(head)
            if head:
                yield head
            else:
                # We don't need to yield empty path
                break


def get_dir_size(path):
    root_path = path
    size = 0
    for path, dirs, files in os.walk(root_path):
        for f in files:
            try:
                size += os.path.getsize(os.path.join(path, f))
            except OSError:
                pass
    return size


def get_user_home():
    """
    Returns home path of the user.
    """
    return os.getenv('HOME', os.getenv('USERPROFILE')) or ''