Python: Manage windows share

windows_shares.py

# coding: utf-8

import win32net
import win32netcon
import win32security
import win32file

def create_share(directory, share_name):
    """Create a windows share
    """

    # Everyone account
    everyone_sid = win32security.ConvertStringSidToSid('S-1-1-0')

    # Set folder permissions to everyone
    sd = win32security.GetFileSecurity(directory, win32security.DACL_SECURITY_INFORMATION)
    dacl = sd.GetSecurityDescriptorDacl()
    dacl.AddAccessAllowedAceEx(win32security.ACL_REVISION_DS,
                               win32security.OBJECT_INHERIT_ACE | win32security.CONTAINER_INHERIT_ACE,
                               win32file.FILE_ALL_ACCESS, everyone_sid)
    sd.SetSecurityDescriptorDacl(1, dacl, 0)
    win32security.SetFileSecurity(directory, win32security.DACL_SECURITY_INFORMATION, sd)

    # create share
    try:
        shinfo = {
            'netname': share_name,
            'type': win32netcon.STYPE_DISKTREE,
            'remark': 'data files',
            'permissions': 0,
            'max_uses': -1,
            'current_uses': 0,
            'path': directory,
            'passwd': ''}
        server = 'localhost'
        win32net.NetShareAdd(server, 2, shinfo)
    except Exception:
        pass

    # Set share permissions to everyone
    sd = win32security.GetNamedSecurityInfo(share_name, win32security.SE_LMSHARE,
                                            win32security.DACL_SECURITY_INFORMATION)
    if not sd:
        sd = win32security.SECURITY_DESCRIPTOR()
    dacl = sd.GetSecurityDescriptorDacl()
    if not dacl:
        dacl = win32security.ACL()
    dacl.AddAccessAllowedAce(win32file.FILE_ALL_ACCESS, everyone_sid)
    sd.SetSecurityDescriptorDacl(1, dacl, 0)
    win32security.SetNamedSecurityInfo(share_name, win32security.SE_LMSHARE, win32security.DACL_SECURITY_INFORMATION,
                                       None, None, dacl)

    
def remove_share(share_name):
    """Removes a windows share
    """
    win32net.NetShareDel('localhost', share_name)

    
def get_shares():
    """Gets all shares on local machine.
    """
    shares = []
    lst = list(win32net.NetShareEnum('localhost', 2))
    for item in lst:
        if isinstance(item, list):
            for share in item:
                name = share['netname']
                my_type = share['type']
                if my_type == 0:
                    shares.append(name)

    return shares

def is_shared(share_name):
    """Checks if windows share exists
    """
    return share_name in get_shares()