def _already_downloaded(self, res_fullpath):
if not os.path.exists(res_fullpath):
return False
res_dir, res_filename = os.path.split(res_fullpath)
meta_data = self._load_meta_data(res_dir)
if not meta_data or res_filename not in meta_data:
return False
md5 = fileutil.get_md5(res_fullpath)
size = os.stat(res_fullpath).st_size
return md5 and meta_data[res_filename].get('md5', '') == md5 \
and meta_data[res_filename].get('size', -1) == size
def _already_downloaded(self, res_fullpath):
if not os.path.exists(res_fullpath):
return False
res_dir, res_filename = os.path.split(res_fullpath)
meta_data = self._load_meta_data(res_dir)
if not meta_data or res_filename not in meta_data:
return False
md5 = fileutil.get_md5(res_fullpath)
size = os.stat(res_fullpath).st_size
return md5 and meta_data[res_filename].get('md5', '') == md5 \
and meta_data[res_filename].get('size', -1) == size
def _write_meta_data(self, res_fullpath, url):
res_dir, res_filename = os.path.split(res_fullpath)
meta_data = self._load_meta_data(res_dir)
if not meta_data:
meta_data = {}
meta_data[res_filename] = {
'md5': fileutil.get_md5(res_fullpath),
'size': os.stat(res_fullpath).st_size,
'datetime': datetime.datetime.now().isoformat(),
'url': url,
}
with open(self._get_meta_file(res_dir), 'w', encoding='utf-8') as fp:
json.dump(meta_data, fp, indent=2)
def _write_meta_data(self, res_fullpath, url):
res_dir, res_filename = os.path.split(res_fullpath)
meta_data = self._load_meta_data(res_dir)
if not meta_data:
meta_data = {}
meta_data[res_filename] = {
'md5': fileutil.get_md5(res_fullpath),
'size': os.stat(res_fullpath).st_size,
'datetime': datetime.datetime.now().isoformat(),
'url': url,
}
with open(self._get_meta_file(res_dir), 'w', encoding='utf-8') as fp:
json.dump(meta_data, fp, indent=2)