o /ha@sdZdgZddlZddlZddlZzddlmZWn ey&ddl ZYnwddl Z ddl m Z e ZejddZd dZdS) zDefault URL reading functions_defaultFetcherN)metadata) errorhandlercCs$ztdWStjyYdSw)Ncssutilsunknown)rversionPackageNotFoundErrorr r C/var/www/html/myenv/lib/python3.10/site-packages/cssutils/_fetch.py _get_versions  r c Csztj|}dtd}|d|tj|}Wn|tjjyB}ztj d|d|j d|j |dWYd}~dSd}~wtjj y`}ztj d |j |dWYd}~dSd}~wtyy}ztj |tdWYd}~dSd}~wty}ztj d |jd tdWYd}~dSd}~ww|rt|\}}|d krtjd ||ftd|}t|dr|||fSdS)zRetrieve data from ``url``. cssutils default implementation of fetch URL function. Returns ``(encoding, string)`` or ``None`` z cssutils/z$ (https://pypi.org/project/cssutils)z User-agentzHTTPError opening url=z:  )errorNz URLError, %szValueError, %srztext/cssz6Expected "text/css" mime type for url=%r but found: %rclose)urllibrequestRequestr add_headerurlopenr HTTPErrorlogwarncodemsgURLErrorreasonOSError ValueErrorargsencutils getHTTPInforeadhasattrr)urlragentresemimeTypeencodingcontentr r r rs@  2"& )__doc____all__ functools urllib.errorrurllib.request importlibr ImportErrorimportlib_metadatarr ErrorHandlerr lru_cacher rr r r r s