如何以编程方式确定Dropbox文件夹的位置？ [英] How to determine the Dropbox folder location programmatically?

问题描述

我有一个脚本，打算由多名用户在多台计算机上运行，​​并且他们各自的主目录中都没有他们的Dropbox文件夹。我讨厌必须在脚本中硬编码路径。我宁愿以编程方式找出路径。

I have a script that is intended to be run by multiple users on multiple computers, and they don't all have their Dropbox folders in their respective home directories. I'd hate to have to hard code paths in the script. I'd much rather figure out the path programatically.

欢迎任何建议。

编辑：
我没有在脚本中使用Dropbox API，该脚本只是读取用户之间共享的特定Dropbox文件夹中的文件。我唯一需要的是Dropbox文件夹的路径，因为我当然已经知道Dropbox文件结构内的相对路径。

I am not using the Dropbox API in the script, the script simply reads files in a specific Dropbox folder shared between the users. The only thing I need is the path to the Dropbox folder, as I of course already know the relative path within the Dropbox file structure.

编辑：
如果重要的是，我正在使用Windows 7。

If it matters, I am using Windows 7.

推荐答案

我找到了答案此处。将 s 设置为等于〜\AppData\Roaming\Dropbox\host.db 中的第二行，然后

I found the answer here. Setting s equal to the 2nd line in ~\AppData\Roaming\Dropbox\host.db and then decoding it with base64 gives the path.

def _get_appdata_path():
    import ctypes
    from ctypes import wintypes, windll
    CSIDL_APPDATA = 26
    _SHGetFolderPath = windll.shell32.SHGetFolderPathW
    _SHGetFolderPath.argtypes = [wintypes.HWND,
                                 ctypes.c_int,
                                 wintypes.HANDLE,
                                 wintypes.DWORD,
                                 wintypes.LPCWSTR]
    path_buf = wintypes.create_unicode_buffer(wintypes.MAX_PATH)
    result = _SHGetFolderPath(0, CSIDL_APPDATA, 0, 0, path_buf)
    return path_buf.value

def dropbox_home():
    from platform import system
    import base64
    import os.path
    _system = system()
    if _system in ('Windows', 'cli'):
        host_db_path = os.path.join(_get_appdata_path(),
                                    'Dropbox',
                                    'host.db')
    elif _system in ('Linux', 'Darwin'):
        host_db_path = os.path.expanduser('~'
                                          '/.dropbox'
                                          '/host.db')
    else:
        raise RuntimeError('Unknown system={}'
                           .format(_system))
    if not os.path.exists(host_db_path):
        raise RuntimeError("Config path={} doesn't exists"
                           .format(host_db_path))
    with open(host_db_path, 'r') as f:
        data = f.read().split()

    return base64.b64decode(data[1])

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