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Connection

A page of results plus its PageInfo cursors. Generic over the node type.

Definition

@dataclass(frozen=True)
class Connection[T]:
    nodes: list[T]
    page_info: PageInfo

Fields

nodes — list[T]. The page's items, in cursor order.

page_info — PageInfo. Cursors and has_next_page / has_previous_page flags.

Construction

from dango.info import Info
from dango.utils.constants import MAINNET_API_URL
from dango.utils.types import CandleInterval, PairId
 
info = Info(MAINNET_API_URL, skip_ws=True)
page = info.perps_candles(PairId("perp/ethusd"), CandleInterval.ONE_MINUTE, first=10)
print(len(page.nodes), page.page_info.has_next_page)

Notes

  • PEP 695 generic syntax — Connection[PerpsCandle], Connection[PerpsEvent], etc.
  • Frozen dataclass: hashable and immutable.

See also