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from typing import Optional
from ._util import to_string
class Suggestion:
"""
Represents a single suggestion being sent or returned from the
autocomplete server
"""
def __init__(
self, string: str, score: float = 1.0, payload: Optional[str] = None
) -> None:
self.string = to_string(string)
self.payload = to_string(payload)
self.score = score
def __repr__(self) -> str:
return self.string
class SuggestionParser:
"""
Internal class used to parse results from the `SUGGET` command.
This needs to consume either 1, 2, or 3 values at a time from
the return value depending on what objects were requested
"""
def __init__(self, with_scores: bool, with_payloads: bool, ret) -> None:
self.with_scores = with_scores
self.with_payloads = with_payloads
if with_scores and with_payloads:
self.sugsize = 3
self._scoreidx = 1
self._payloadidx = 2
elif with_scores:
self.sugsize = 2
self._scoreidx = 1
elif with_payloads:
self.sugsize = 2
self._payloadidx = 1
else:
self.sugsize = 1
self._scoreidx = -1
self._sugs = ret
def __iter__(self):
for i in range(0, len(self._sugs), self.sugsize):
ss = self._sugs[i]
score = float(self._sugs[i + self._scoreidx]) if self.with_scores else 1.0
payload = self._sugs[i + self._payloadidx] if self.with_payloads else None
yield Suggestion(ss, score, payload)
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