jeff/starlink-grpc-tools
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Switch reflect usage to yagrc's new lazy importer

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This makes the normal imports a bit more readable.

Lazy import requires yagrc v1.1.0, so bumped requirements.txt entry for that.
This commit is contained in:
sparky8512 2021-02-14 17:22:52 -08:00
parent 30e4b27516
commit 1659133168
2 changed files with 25 additions and 32 deletions
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2
requirements.txt
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@ -1,6 +1,6 @@
grpcio>=1.12.0
grpcio-tools>=1.20.0
protobuf>=3.6.0
yagrc>=1.0.1
yagrc>=1.1.0
paho-mqtt>=1.5.1
influxdb>=5.3.1

51
starlink_grpc.py
View file

@ -308,28 +308,21 @@ import statistics
import grpc
try:
from spacex.api.device import device_pb2
from spacex.api.device import device_pb2_grpc
from spacex.api.device import dish_pb2
import_ok = True
except ImportError:
from yagrc import importer
import_ok = False
importer.add_lazy_packages(["spacex.api.device"])
imports_pending = True
except (ImportError, AttributeError):
imports_pending = False
def import_protocols(channel):
grpc_importer = importer.GrpcImporter()
grpc_importer.configure(
channel, filenames=["spacex/api/device/device.proto", "spacex/api/device/dish.proto"])
global device_pb2
global device_pb2_grpc
global dish_pb2
from spacex.api.device import device_pb2
from spacex.api.device import device_pb2_grpc
from spacex.api.device import dish_pb2
global import_ok
import_ok = True
def resolve_imports(channel):
importer.resolve_lazy_imports(channel)
global imports_pending
imports_pending = False
class GrpcError(Exception):
@ -379,9 +372,9 @@ def status_field_names():
A tuple with 3 lists, with status data field names, alert detail field
names, and obstruction detail field names, in that order.
"""
if not import_ok:
if imports_pending:
with grpc.insecure_channel("192.168.100.1:9200") as channel:
import_protocols(channel)
resolve_imports(channel)
alert_names = []
for field in dish_pb2.DishAlerts.DESCRIPTOR.fields:
alert_names.append("alert_" + field.name)
@ -419,9 +412,9 @@ def status_field_types():
A tuple with 3 lists, with status data field types, alert detail field
types, and obstruction detail field types, in that order.
"""
if not import_ok:
if imports_pending:
with grpc.insecure_channel("192.168.100.1:9200") as channel:
import_protocols(channel)
resolve_imports(channel)
return [
str, # id
str, # hardware_version
@ -459,8 +452,8 @@ def get_status(context=None):
"""
if context is None:
with grpc.insecure_channel("192.168.100.1:9200") as channel:
if not import_ok:
import_protocols(channel)
if imports_pending:
resolve_imports(channel)
stub = device_pb2_grpc.DeviceStub(channel)
response = stub.Handle(device_pb2.Request(get_status={}))
return response.dish_get_status
@ -468,8 +461,8 @@ def get_status(context=None):
while True:
channel, reused = context.get_channel()
try:
if not import_ok:
import_protocols(channel)
if imports_pending:
resolve_imports(channel)
stub = device_pb2_grpc.DeviceStub(channel)
response = stub.Handle(device_pb2.Request(get_status={}))
return response.dish_get_status
@ -721,8 +714,8 @@ def get_history(context=None):
"""
if context is None:
with grpc.insecure_channel("192.168.100.1:9200") as channel:
if not import_ok:
import_protocols(channel)
if imports_pending:
resolve_imports(channel)
stub = device_pb2_grpc.DeviceStub(channel)
response = stub.Handle(device_pb2.Request(get_history={}))
return response.dish_get_history
@ -730,8 +723,8 @@ def get_history(context=None):
while True:
channel, reused = context.get_channel()
try:
if not import_ok:
import_protocols(channel)
if imports_pending:
resolve_imports(channel)
stub = device_pb2_grpc.DeviceStub(channel)
response = stub.Handle(device_pb2.Request(get_history={}))
return response.dish_get_history