Your IP : 18.117.10.207
B
<_9Y�$ � @ s� d dl mZmZmZ d dlmZmZmZ d dlm Z m
Z
m Z d dl m
Z
mZmZ d dlmZmZmZ G dd� de�ZG dd � d e�ZG d
d � d e�ZG d d
� d
e�ZG dd� de�ZG dd� de�ZG dd� de�ZdS )� )�EUCTW_CHAR_TO_FREQ_ORDER�EUCTW_TABLE_SIZE� EUCTW_TYPICAL_DISTRIBUTION_RATIO)�EUCKR_CHAR_TO_FREQ_ORDER�EUCKR_TABLE_SIZE� EUCKR_TYPICAL_DISTRIBUTION_RATIO)�GB2312_CHAR_TO_FREQ_ORDER�GB2312_TABLE_SIZE�!GB2312_TYPICAL_DISTRIBUTION_RATIO)�BIG5_CHAR_TO_FREQ_ORDER�BIG5_TABLE_SIZE� BIG5_TYPICAL_DISTRIBUTION_RATIO)�JIS_CHAR_TO_FREQ_ORDER�JIS_TABLE_SIZE� JIS_TYPICAL_DISTRIBUTION_RATIOc @ sL e Zd ZdZdZdZdZdd� Zdd� Zd d
� Z d d � Z
d
d� Z dd� Z dS )�CharDistributionAnalysisi g�G�z��?g{�G�z�?� c C s0 d | _ d | _d | _d | _d | _d | _| �� d S )N)�_char_to_freq_order� _table_size�typical_distribution_ratio�_done� _total_chars� _freq_chars�reset)�self� r �I/opt/alt/python37/lib/python3.7/site-packages/chardet/chardistribution.py�__init__. s z!CharDistributionAnalysis.__init__c C s d| _ d| _d| _dS )z reset analyser, clear any stateF� N)r r r )r r r r r = s z CharDistributionAnalysis.resetc C sX |dkr| � |�}nd}|dkrT| jd7 _|| jk rTd| j| krT| jd7 _dS )z"feed a character with known length� ���r r i N)� get_orderr r r r )r �charZchar_len�orderr r r �feedF s
z CharDistributionAnalysis.feedc C sT | j dks| j| jkr | jS | j | jkrN| j| j | j | j }|| jk rN|S | jS )z(return confidence based on existing datar )r r �MINIMUM_DATA_THRESHOLD�SURE_NOr �SURE_YES)r �rr r r �get_confidenceT s
z'CharDistributionAnalysis.get_confidencec C s | j | jkS )N)r �ENOUGH_DATA_THRESHOLD)r r r r �got_enough_datad s z(CharDistributionAnalysis.got_enough_datac C s dS )Nr r )r �byte_strr r r r! i s z"CharDistributionAnalysis.get_orderN)
�__name__�
__module__� __qualname__r* r' r& r% r r r$ r) r+ r! r r r r r ( s r c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCTWDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) �superr0 r r r r r r r )r )� __class__r r r r s z"EUCTWDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr �� �^ r � r r )r r, �
first_charr r r r! x s z#EUCTWDistributionAnalysis.get_order)r- r. r/ r r! �
__classcell__r r )r2 r r0 q s r0 c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCKRDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) r1 r8 r r r r r r r )r )r2 r r r � s z"EUCKRDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr � r4 r r5 r r )r r, r6 r r r r! � s z#EUCKRDistributionAnalysis.get_order)r- r. r/ r r! r7 r r )r2 r r8 � s r8 c s$ e Zd Z� fdd�Zdd� Z� ZS )�GB2312DistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) r1 r: r r r r r r
r )r )r2 r r r � s z#GB2312DistributionAnalysis.__init__c C s> |d |d }}|dkr6|dkr6d|d | d S dS d S )Nr r r9 r5 r4 r r )r r, r6 � second_charr r r r! � s z$GB2312DistributionAnalysis.get_order)r- r. r/ r r! r7 r r )r2 r r: � s r: c s$ e Zd Z� fdd�Zdd� Z� ZS )�Big5DistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) r1 r< r r r r r r
r )r )r2 r r r � s z!Big5DistributionAnalysis.__init__c C sX |d |d }}|dkrP|dkr:d|d | d d S d|d | d S ndS d S ) Nr r � r5 � �? �@ r r )r r, r6 r; r r r r! � s z"Big5DistributionAnalysis.get_order)r- r. r/ r r! r7 r r )r2 r r< � s r< c s$ e Zd Z� fdd�Zdd� Z� ZS )�SJISDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) r1 rA r r r r r r r )r )r2 r r r � s z!SJISDistributionAnalysis.__init__c C sr |d |d }}|dkr0|dkr0d|d }n&|dkrR|dkrRd|d d }nd S || d
}|d krnd }|S ) Nr r � � � �� �� � r r@ � r )r r, r6 r; r# r r r r! � s z"SJISDistributionAnalysis.get_order)r- r. r/ r r! r7 r r )r2 r rA � s rA c s$ e Zd Z� fdd�Zdd� Z� ZS )�EUCJPDistributionAnalysisc s$ t t| ��� t| _t| _t| _d S )N) r1 rI r r r r r r r )r )r2 r r r � s z"EUCJPDistributionAnalysis.__init__c C s0 |d }|dkr(d|d |d d S dS d S )Nr � r4 r5 r r r )r r, r" r r r r! � s z#EUCJPDistributionAnalysis.get_order)r- r. r/ r r! r7 r r )r2 r rI � s rI N) Z euctwfreqr r r Z euckrfreqr r r Z
gb2312freqr r r
Zbig5freqr r r
Zjisfreqr r r �objectr r0 r8 r: r< rA rI r r r r �<module> s I