如何以编程方式确定Dropbox文件夹的位置？

Answer 1

我找到了答案。将s设置为~\AppData\Roaming\Dropbox\host.db中的第2行，然后使用base64对其进行解码，给出路径。

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])

Answer 2

您可以使用os.walk搜索文件系统。Dropbox文件夹可能在用户的主目录中，因此为了节省一些时间，您可以将搜索限制在该目录中。示例：

import os
dropbox_folder = None

for dirname, dirnames, filenames in os.walk(os.path.expanduser('~')):
    for subdirname in dirnames:
        if(subdirname == 'Dropbox'):
            dropbox_folder = os.path.join(dirname, subdirname)
            break
    if dropbox_folder:
        break

# dropbox_folder now contains the full path to the Dropbox folder, or
# None if the folder wasn't found

---

或者，您可以提示用户输入Dropbox文件夹的位置，或者通过配置文件对其进行配置。

Answer 3

Dropbox帮助中心有一个答案-How can I programmatically find the Dropbox folder paths?

短版本：

使用~/.dropbox/info.json或%APPDATA%\Dropbox\info.json

长版本：

以这种方式访问有效的%APPDATA%或%LOCALAPPDATA%位置：

import os
from pathlib import Path
import json

try:
    json_path = (Path(os.getenv('LOCALAPPDATA'))/'Dropbox'/'info.json').resolve()
except FileNotFoundError:
    json_path = (Path(os.getenv('APPDATA'))/'Dropbox'/'info.json').resolve()

with open(str(json_path)) as f:
    j = json.load(f)

personal_dbox_path = Path(j['personal']['path'])
business_dbox_path = Path(j['business']['path'])