U
.e @ s4 d dl mZ d dlmZmZmZ G dd deZdS ) )
CharSetProber)CharacterCategory ProbingStateSequenceLikelihoodc sb e Zd ZdZdZdZdZd fdd Z fd d
Ze d d Z
e d
d Z dd Z dd Z
ZS )SingleByteCharSetProber@ i gffffff?g?FNc sJ t t| || _|| _|| _d | _d | _d | _d | _ d | _
| d S )N) superr __init___model _reversed _name_prober _last_order
_seq_counters _total_seqs _total_char
_freq_charreset)selfmodelreversedZ name_prober __class__ G/usr/lib/python3.8/site-packages/pip/_vendor/chardet/sbcharsetprober.pyr ' s z SingleByteCharSetProber.__init__c s: t t| d| _dgt | _d| _d| _d| _ d S )N )
r r r r
r Zget_num_categoriesr r r r r r r r r 5 s z SingleByteCharSetProber.resetc C s | j r| j jS | jd S d S )N charset_name)r r r
r r r r r ? s z$SingleByteCharSetProber.charset_namec C s | j r| j jS | jdS d S )Nlanguage)r r r
getr r r r r F s z SingleByteCharSetProber.languagec C sj | j d s| |}|s | jS | j d }t|D ]\}}|| }|tjk rX| jd7 _|| jk r| jd7 _| j | jk r| j
d7 _
| j s| j | j | }| j d | }n || j | j }| j d | }| j | d7 < || _ q0| j d }| jt
jkrd| j
| jkrd| }|| jkr<| jd|| t
j| _n(|| jk rd| jd||| j t
j| _| jS )NZkeep_english_letterchar_to_order_mapr Zprecedence_matrixr z$%s confidence = %s, we have a winnerz9%s confidence = %s, below negative shortcut threshhold %s)r
Zfilter_international_wordsstate enumerater ZCONTROLr SAMPLE_SIZEr r
r r r r Z DETECTINGSB_ENOUGH_REL_THRESHOLDget_confidencePOSITIVE_SHORTCUT_THRESHOLDZloggerdebugZFOUND_ITZ_stateNEGATIVE_SHORTCUT_THRESHOLDZNOT_ME) r Zbyte_strr icorderr r Z
confidencer r r feedM sL
z SingleByteCharSetProber.feedc C sN d}| j dkrJd| jtj | j | jd }|| j | j }|dkrJd}|S )Ng{Gz?r g ?Ztypical_positive_ratiogGz?)r r r ZPOSITIVEr
r r )r rr r r r% | s
z&SingleByteCharSetProber.get_confidence)FN)__name__
__module__ __qualname__r# r$ r& r( r r propertyr r r, r%
__classcell__r r r r r ! s
/r N)Z
charsetproberr Zenumsr r r r r r r r s