Python Path.size方法代码示例

# 需要导入模块: from unipath import Path [as 别名]
# 或者: from unipath.Path import size [as 别名]
def dump_path(path, prefix="", tab="    ", file=None):
    if file is None:
        file = sys.stdout
    p = Path(path)
    if   p.islink():
        print >>file, "%s%s -> %s" % (prefix, p.name, p.read_link())
    elif p.isdir():
        print >>file, "%s%s:" % (prefix, p.name)
        for p2 in p.listdir():
            dump_path(p2, prefix+tab, tab, file)
    else:
        print >>file, "%s%s  (%d)" % (prefix, p.name, p.size())

# 需要导入模块: from unipath import Path [as 别名]
# 或者: from unipath.Path import size [as 别名]
def split_file(path, number_of_files, splitted_file_size, output_file_name, chunk_size, no_increase):
    path = Path(path)
    if not splitted_file_size is None:
        splitted_file_size = get_real_size(splitted_file_size)
    chunk_size = get_real_size(chunk_size)
    origin_file_size = path.size()
    if splitted_file_size and number_of_files is None:
        if no_increase:
            number_of_files = int(origin_file_size / splitted_file_size)
        else:
            number_of_files = ceil(float(origin_file_size) / splitted_file_size)
    else:
        if number_of_files is None:
            number_of_files = 5
        splitted_file_size = origin_file_size / number_of_files

    if output_file_name is None:
        output_file_name = path.name

    new_files_name = '{output_file_name}.part%d'.format(output_file_name=output_file_name)
    new_files = [new_files_name % i for i in range(1, int(number_of_files)+1)]

    with open(path, 'rb') as origin_file:
        file_iter = read_in_chunks(origin_file, chunk_size)
        for cur_file_name in new_files:
            is_last = cur_file_name == new_files[-1]
            cur_file_path = Path(cur_file_name)
            cur_file_size = 0
            with open(cur_file_path, 'wb') as cur_writing_file:
                while (cur_file_size < splitted_file_size if not is_last else True):
                    try:
                        piece = next(file_iter)
                    except StopIteration:
                        break
                    cur_writing_file.write(piece)
                    cur_file_size += chunk_size

# 需要导入模块: from unipath import Path [as 别名]
# 或者: from unipath.Path import size [as 别名]
# File Attributes and permissions
print("\n*** File Attributes and permissions")
# noinspection PyArgumentList
print(here.atime())  # Last access time; seconds past epcoh
# noinspection PyArgumentList
print(here.ctime())  # Last permission or ownership modification; windows is creation time;
# noinspection PyArgumentList
print(here.isfile())  # Is a file; symbolic links are followed.
print(here.isdir())  # Is a directory; symbolic links are followed.
# noinspection PyArgumentList
print(here.islink())  # Is a symbolic link
# noinspection PyArgumentList
print(here.ismount())  # Is a mount point; ie the parent is on a different device.
# noinspection PyArgumentList
print(here.exists())  # File exists; symbolic links are followed.
# noinspection PyArgumentList
print(here.lexists())  # Same as exists but symbolic links are not followed.
# noinspection PyArgumentList
print(here.size())  # File size in bytes.
print(Path("/foo").isabsolute())  # Is absolute and not relative path

# Epoch?
print("\n*** gmtime")
print(gmtime(0))


# Stat and lstat
print("\n*** Stat and lstat")
print(here.stat())  # File stat object for size, permissions etc. Symbolic links are followed.
print(here.lstat())  # Same as stat  but symbolic links are not followed.