import os
import os.path as osp
import datetime
from util import no_parents,get_drives
def build(after,*starts):
    if isinstance(after,datetime.datetime):
        after = after.timestamp()
    var_unsubbed =  map(osp.expandvars,starts)
    abs_paths = map(osp.abspath,var_unsubbed)
    starts = list(no_parents(abs_paths))
    ret = []
    for path in starts:
        for root,dirs,files in os.walk(path,topdown=True):
            try:
                dirs[:] = list(filter(
                    lambda p: osp.getmtime(osp.join(root,p)) > after,
                    dirs
                    ))
                ret += [osp.join(root,file) for file in files]
            except:
                print('Error',root,sep= ': ')
    return ret
    
def build_ext(ext,paths):
    ret = {}
    for path in paths:
        if path.endswith(ext):  
            name = osp.basename(path)
            try:
                ret[name].append(path)
            except KeyError:
                ret[name] = [path]
    return ret