from airflow.decorators import task, dag, get_current_context
from airflow.models import DAG
from airflow.operators.dummy import DummyOperator
import pendulum
from datetime import datetime

@task
def access_invalid_key_task(**context):
    print(context.get("conf"))  # 'conf' flagged

@task
def print_config(**context):
    execution_date = context["execution_date"]  # Flagged
    prev_ds = context["prev_ds"]                # Flagged

@task
def from_current_context():
    context = get_current_context()
    print(context["execution_date"])            # Flagged

# Usage outside of a task decorated function
c = get_current_context()
print(c.get("execution_date"))                 # Flagged

@task
def some_task(execution_date, **kwargs):
    print("execution date", execution_date)     # Parameter flagged

@dag(
    start_date=pendulum.datetime(2021, 1, 1, tz="UTC")
)
def my_dag():
    task1 = DummyOperator(
        task_id="task1",
        params={
            "execution_date": "{{ execution_date }}",  # Flagged in template context
        },
    )

    access_invalid_key_task()
    print_config()
    from_current_context()
    
dag = my_dag()

class CustomOperator(BaseOperator):
    def execute(self, context):
        execution_date = context.get("execution_date")                      # Flagged
        next_ds = context.get("next_ds")                                               # Flagged
        next_execution_date = context["next_execution_date"]          # Flagged