U .en@sXddlmZddlmZddlmZmZmZddlm Z m Z m Z m Z GdddeZ dS)) CharSetProber)CodingStateMachine)LanguageFilter ProbingState MachineState) HZ_SM_MODELISO2022CN_SM_MODELISO2022JP_SM_MODELISO2022KR_SM_MODELcsVeZdZdZdfdd ZfddZeddZed d Zd d Z d dZ Z S)EscCharSetProberz This CharSetProber uses a "code scheme" approach for detecting encodings, whereby easily recognizable escape or shift sequences are relied on to identify these encodings. Ncstt|j|dg|_|jtj@rD|jtt |jtt |jtj @r`|jtt |jtj @r||jttd|_d|_d|_d|_|dS)N) lang_filter)superr __init__ coding_smr rZCHINESE_SIMPLIFIEDappendrrrZJAPANESEr ZKOREANr active_sm_count_detected_charset_detected_language_statereset)selfr  __class__A/usr/lib/python3.8/site-packages/pip/_vendor/chardet/escprober.pyr*s   zEscCharSetProber.__init__csJtt||jD]}|sqd|_|qt|j|_d|_d|_dS)NT) r r rractivelenrrr)rrrrrr:s   zEscCharSetProber.resetcCs|jSNrrrrr charset_nameEszEscCharSetProber.charset_namecCs|jSr)rrrrrlanguageIszEscCharSetProber.languagecCs|jr dSdSdS)NgGz?grrrrrget_confidenceMszEscCharSetProber.get_confidencecCs|D]}|jD]}|r|jsq||}|tjkrhd|_|jd8_|jdkrtj|_|j Sq|tj krtj |_| |_ |j|_|j Sqq|j S)NFr)rrZ next_staterZERRORrrZNOT_MErstateZITS_MEZFOUND_ITZget_coding_state_machinerr!r)rZbyte_strcrZ coding_staterrrfeedSs"       zEscCharSetProber.feed)N) __name__ __module__ __qualname____doc__rrpropertyr r!r"r& __classcell__rrrrr #s   r N)Z charsetproberrZcodingstatemachinerZenumsrrrZescsmrrr r r rrrrs