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extensions.py
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extensions.py
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"""
Extended functionality for the ExecutionAPI
"""
from __future__ import annotations
import logging
import time
from io import BytesIO
from typing import Any, List, Optional, Union
from deprecated import deprecated
from dune_client.api.base import (
DUNE_CSV_NEXT_URI_HEADER,
DUNE_CSV_NEXT_OFFSET_HEADER,
MAX_NUM_ROWS_PER_BATCH,
)
from dune_client.api.execution import ExecutionAPI
from dune_client.api.query import QueryAPI
from dune_client.models import (
ResultsResponse,
DuneError,
ExecutionState,
QueryFailed,
ExecutionResultCSV,
)
from dune_client.query import QueryBase, parse_query_object_or_id
from dune_client.types import QueryParameter
from dune_client.util import age_in_hours
# This is the expiry time on old query results.
THREE_MONTHS_IN_HOURS = 2191
# Seconds between checking execution status
POLL_FREQUENCY_SECONDS = 1
class ExtendedAPI(ExecutionAPI, QueryAPI):
"""
Provides higher level helper methods for faster
and easier development on top of the base ExecutionAPI.
"""
def run_query(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> ResultsResponse:
"""
Executes a Dune `query`, waits until execution completes,
fetches and returns the results.
Sleeps `ping_frequency` seconds between each status request.
"""
# Ensure we don't specify parameters that are incompatible:
assert (
# We are not sampling
sample_count is None
# We are sampling and don't use filters or pagination
or (batch_size is None and filters is None)
), "sampling cannot be combined with filters or pagination"
if sample_count is not None:
limit = None
else:
limit = batch_size or MAX_NUM_ROWS_PER_BATCH
# pylint: disable=duplicate-code
job_id = self._refresh(query, ping_frequency, performance)
return self._fetch_entire_result(
self.get_execution_results(
job_id,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
limit=limit,
),
)
def run_query_csv(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> ExecutionResultCSV:
"""
Executes a Dune query, waits till execution completes,
fetches and the results in CSV format
(use it load the data directly in pandas.from_csv() or similar frameworks)
"""
# Ensure we don't specify parameters that are incompatible:
assert (
# We are not sampling
sample_count is None
# We are sampling and don't use filters or pagination
or (batch_size is None and filters is None)
), "sampling cannot be combined with filters or pagination"
if sample_count is not None:
limit = None
else:
limit = batch_size or MAX_NUM_ROWS_PER_BATCH
# pylint: disable=duplicate-code
job_id = self._refresh(query, ping_frequency, performance)
return self._fetch_entire_result_csv(
self.get_execution_results_csv(
job_id,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
limit=limit,
),
)
def run_query_dataframe(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> Any:
"""
Execute a Dune Query, waits till execution completes,
fetched and returns the result as a Pandas DataFrame
This is a convenience method that uses run_query_csv() + pandas.read_csv() underneath
"""
try:
import pandas # pylint: disable=import-outside-toplevel
except ImportError as exc:
raise ImportError(
"dependency failure, pandas is required but missing"
) from exc
data = self.run_query_csv(
query,
ping_frequency,
performance,
batch_size=batch_size,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
).data
return pandas.read_csv(data)
def get_latest_result(
self,
query: Union[QueryBase, str, int],
max_age_hours: int = THREE_MONTHS_IN_HOURS,
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> ResultsResponse:
"""
GET the latest results for a query_id without re-executing the query
(doesn't use execution credits)
:param query: :class:`Query` object OR query id as string or int
:param max_age_hours: re-executes the query if result is older than max_age_hours
https://docs.dune.com/api-reference/executions/endpoint/get-query-result
"""
# Ensure we don't specify parameters that are incompatible:
assert (
# We are not sampling
sample_count is None
# We are sampling and don't use filters or pagination
or (batch_size is None and filters is None)
), "sampling cannot be combined with filters or pagination"
params, query_id = parse_query_object_or_id(query)
# Only fetch 1 row to get metadata first to determine if the result is fresh enough
if params is None:
params = {}
params["limit"] = 1
response_json = self._get(
route=f"/query/{query_id}/results",
params=params,
)
try:
if sample_count is None and batch_size is None:
batch_size = MAX_NUM_ROWS_PER_BATCH
metadata = ResultsResponse.from_dict(response_json)
last_run = metadata.times.execution_ended_at
if last_run and age_in_hours(last_run) > max_age_hours:
# Query older than specified max age, we need to refresh the results
logging.info(
f"results (from {last_run}) older than {max_age_hours} hours, re-running query"
)
results = self.run_query(
query if isinstance(query, QueryBase) else QueryBase(query_id),
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
batch_size=batch_size,
)
else:
# The results are fresh enough, retrieve the entire result
# pylint: disable=duplicate-code
results = self._fetch_entire_result(
self.get_execution_results(
metadata.execution_id,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
limit=batch_size,
),
)
return results
except KeyError as err:
raise DuneError(response_json, "ResultsResponse", err) from err
def get_latest_result_dataframe(
self,
query: Union[QueryBase, str, int],
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> Any:
"""
GET the latest results for a query_id without re-executing the query
(doesn't use execution credits)
returns the result as a Pandas DataFrame
This is a convenience method that uses get_latest_result() + pandas.read_csv() underneath
"""
try:
import pandas # pylint: disable=import-outside-toplevel
except ImportError as exc:
raise ImportError(
"dependency failure, pandas is required but missing"
) from exc
results = self.download_csv(
query,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
batch_size=batch_size,
)
return pandas.read_csv(results.data)
def download_csv(
self,
query: Union[QueryBase, str, int],
batch_size: Optional[int] = None,
columns: Optional[List[str]] = None,
sample_count: Optional[int] = None,
filters: Optional[str] = None,
sort_by: Optional[List[str]] = None,
) -> ExecutionResultCSV:
"""
Almost like an alias for `get_latest_result` but for the csv endpoint.
https://docs.dune.com/api-reference/executions/endpoint/get-query-result-csv
"""
# Ensure we don't specify parameters that are incompatible:
assert (
# We are not sampling
sample_count is None
# We are sampling and don't use filters or pagination
or (batch_size is None and filters is None)
), "sampling cannot be combined with filters or pagination"
params, query_id = parse_query_object_or_id(query)
params = self._build_parameters(
params=params,
columns=columns,
sample_count=sample_count,
filters=filters,
sort_by=sort_by,
limit=batch_size,
)
if sample_count is None and batch_size is None:
params["limit"] = MAX_NUM_ROWS_PER_BATCH
response = self._get(
route=f"/query/{query_id}/results/csv", params=params, raw=True
)
response.raise_for_status()
next_uri = response.headers.get(DUNE_CSV_NEXT_URI_HEADER)
next_offset = response.headers.get(DUNE_CSV_NEXT_OFFSET_HEADER)
return self._fetch_entire_result_csv(
ExecutionResultCSV(
data=BytesIO(response.content),
next_uri=next_uri,
next_offset=next_offset,
),
)
############################
# Plus Subscription Features
############################
def upload_csv(
self,
table_name: str,
data: str,
description: str = "",
is_private: bool = False,
) -> bool:
"""
https://docs.dune.com/api-reference/tables/endpoint/upload
The write API allows you to upload any .csv file into Dune. The only limitations are:
- File has to be < 200 MB
- Column names in the table can't start with a special character or digits.
- Private uploads require a Plus subscription.
Below are the specifics of how to work with the API.
"""
response_json = self._post(
route="/table/upload/csv",
params={
"table_name": table_name,
"description": description,
"data": data,
"is_private": is_private,
},
)
try:
return bool(response_json["success"])
except KeyError as err:
raise DuneError(response_json, "UploadCsvResponse", err) from err
##############################################################################################
# Plus Features: these features use APIs that are only available on paid subscription plans
##############################################################################################
def run_sql(
self,
query_sql: str,
params: Optional[list[QueryParameter]] = None,
is_private: bool = True,
archive_after: bool = True,
performance: Optional[str] = None,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
name: str = "API Query",
) -> ResultsResponse:
"""
Allows user to provide execute raw_sql via the CRUD interface
- create, run, get results with optional archive/delete.
- Query is by default made private and archived after execution.
Requires Plus subscription!
"""
query = self.create_query(name, query_sql, params, is_private)
try:
results = self.run_query(
query=query.base, performance=performance, ping_frequency=ping_frequency
)
finally:
if archive_after:
self.archive_query(query.base.query_id)
return results
######################
# Deprecated Functions
######################
@deprecated(version="1.2.1", reason="Please use run_query")
def refresh(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
) -> ResultsResponse:
"""
Executes a Dune `query`, waits until execution completes,
fetches and returns the results.
Sleeps `ping_frequency` seconds between each status request.
"""
return self.run_query(query, ping_frequency, performance)
@deprecated(version="1.2.1", reason="Please use run_query_csv")
def refresh_csv(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
) -> ExecutionResultCSV:
"""
Executes a Dune query, waits till execution completes,
fetches and the results in CSV format
(use it load the data directly in pandas.from_csv() or similar frameworks)
"""
return self.run_query_csv(query, ping_frequency, performance)
@deprecated(version="1.2.1", reason="Please use run_query_dataframe")
def refresh_into_dataframe(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
) -> Any:
"""
Execute a Dune Query, waits till execution completes,
fetched and returns the result as a Pandas DataFrame
This is a convenience method that uses refresh_csv underneath
"""
return self.run_query_dataframe(query, ping_frequency, performance)
#################
# Private Methods
#################
def _refresh(
self,
query: QueryBase,
ping_frequency: int = POLL_FREQUENCY_SECONDS,
performance: Optional[str] = None,
) -> str:
"""
Executes a Dune `query`, waits until execution completes,
fetches and returns the results.
Sleeps `ping_frequency` seconds between each status request.
"""
job_id = self.execute_query(query=query, performance=performance).execution_id
status = self.get_execution_status(job_id)
while status.state not in ExecutionState.terminal_states():
self.logger.info(
f"waiting for query execution {job_id} to complete: {status}"
)
time.sleep(ping_frequency)
status = self.get_execution_status(job_id)
if status.state == ExecutionState.FAILED:
self.logger.error(status)
raise QueryFailed(f"Error data: {status.error}")
return job_id
def _fetch_entire_result(
self,
results: ResultsResponse,
) -> ResultsResponse:
"""
Retrieve the entire results using the paginated API
"""
next_uri = results.next_uri
while next_uri is not None:
batch = self._get_execution_results_by_url(url=next_uri)
results += batch
next_uri = batch.next_uri
return results
def _fetch_entire_result_csv(
self,
results: ExecutionResultCSV,
) -> ExecutionResultCSV:
"""
Retrieve the entire results in CSV format using the paginated API
"""
next_uri = results.next_uri
while next_uri is not None:
batch = self._get_execution_results_csv_by_url(url=next_uri)
results += batch
next_uri = batch.next_uri
return results