Change venv

This commit is contained in:
Ambulance Clerc
2023-05-31 08:31:22 +02:00
parent fb6f579089
commit fdbb52c96f
466 changed files with 25899 additions and 64721 deletions

View File

@@ -27,8 +27,12 @@
# 02110-1301 USA
######################### END LICENSE BLOCK #########################
from typing import Optional, Union
from .chardistribution import CharDistributionAnalysis
from .charsetprober import CharSetProber
from .enums import ProbingState, MachineState
from .codingstatemachine import CodingStateMachine
from .enums import LanguageFilter, MachineState, ProbingState
class MultiByteCharSetProber(CharSetProber):
@@ -36,56 +40,56 @@ class MultiByteCharSetProber(CharSetProber):
MultiByteCharSetProber
"""
def __init__(self, lang_filter=None):
super(MultiByteCharSetProber, self).__init__(lang_filter=lang_filter)
self.distribution_analyzer = None
self.coding_sm = None
self._last_char = [0, 0]
def __init__(self, lang_filter: LanguageFilter = LanguageFilter.NONE) -> None:
super().__init__(lang_filter=lang_filter)
self.distribution_analyzer: Optional[CharDistributionAnalysis] = None
self.coding_sm: Optional[CodingStateMachine] = None
self._last_char = bytearray(b"\0\0")
def reset(self):
super(MultiByteCharSetProber, self).reset()
def reset(self) -> None:
super().reset()
if self.coding_sm:
self.coding_sm.reset()
if self.distribution_analyzer:
self.distribution_analyzer.reset()
self._last_char = [0, 0]
self._last_char = bytearray(b"\0\0")
@property
def charset_name(self):
raise NotImplementedError
def feed(self, byte_str: Union[bytes, bytearray]) -> ProbingState:
assert self.coding_sm is not None
assert self.distribution_analyzer is not None
@property
def language(self):
raise NotImplementedError
def feed(self, byte_str):
for i in range(len(byte_str)):
coding_state = self.coding_sm.next_state(byte_str[i])
for i, byte in enumerate(byte_str):
coding_state = self.coding_sm.next_state(byte)
if coding_state == MachineState.ERROR:
self.logger.debug('%s %s prober hit error at byte %s',
self.charset_name, self.language, i)
self.logger.debug(
"%s %s prober hit error at byte %s",
self.charset_name,
self.language,
i,
)
self._state = ProbingState.NOT_ME
break
elif coding_state == MachineState.ITS_ME:
if coding_state == MachineState.ITS_ME:
self._state = ProbingState.FOUND_IT
break
elif coding_state == MachineState.START:
if coding_state == MachineState.START:
char_len = self.coding_sm.get_current_charlen()
if i == 0:
self._last_char[1] = byte_str[0]
self._last_char[1] = byte
self.distribution_analyzer.feed(self._last_char, char_len)
else:
self.distribution_analyzer.feed(byte_str[i - 1:i + 1],
char_len)
self.distribution_analyzer.feed(byte_str[i - 1 : i + 1], char_len)
self._last_char[0] = byte_str[-1]
if self.state == ProbingState.DETECTING:
if (self.distribution_analyzer.got_enough_data() and
(self.get_confidence() > self.SHORTCUT_THRESHOLD)):
if self.distribution_analyzer.got_enough_data() and (
self.get_confidence() > self.SHORTCUT_THRESHOLD
):
self._state = ProbingState.FOUND_IT
return self.state
def get_confidence(self):
def get_confidence(self) -> float:
assert self.distribution_analyzer is not None
return self.distribution_analyzer.get_confidence()