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station_server: provide history handlers #936

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station_server: provide history handlers #936

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48 changes: 40 additions & 8 deletions openhtf/output/servers/station_server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,8 @@

import openhtf
from openhtf.output.callbacks import mfg_inspector
from openhtf.output.proto import mfg_event_converter
from openhtf.output.proto import mfg_event_pb2
from openhtf.output.servers import pub_sub
from openhtf.output.servers import web_gui_server
from openhtf.util import conf
Expand Down Expand Up @@ -461,10 +463,25 @@ class HistoryItemHandler(BaseHistoryHandler):
"""GET endpoint for a test record from the history."""

def get(self, file_name):
# TODO(Kenadia): Implement the history item handler. The implementation
# depends on the format used to store test records on disk.
self.write('Not implemented.')
self.set_status(500)
# The "Out of the box" disk format is fixed, subclasses/alternative
# implementations need to be sure their implementation matches their
# recorder

fn = os.path.join(self.history_path, file_name)
if not os.path.isfile(fn):
self.write('Not found')
self.set_status(404)
return

with open(fn, mode='rb') as f:
me = mfg_event_pb2.MfgEvent()
me.ParseFromString(f.read())
tr = mfg_event_converter.test_record_from_mfg_event(me)
test_record_dict = data.convert_to_base_types(tr)
test_state_dict = _test_state_from_record(test_record_dict,
StationPubSub._last_execution_uid)
self.set_status(200)
self.write(test_state_dict)


class HistoryAttachmentsHandler(BaseHistoryHandler):
Expand All @@ -477,10 +494,25 @@ class HistoryAttachmentsHandler(BaseHistoryHandler):
"""

def get(self, file_name, attachment_name):
# TODO(Kenadia): Implement the history item handler. The implementation
# depends on the format used to store test records on disk.
self.write('Not implemented.')
self.set_status(500)
# The implementation depends on the format used to store
# test records on disk.
fn = os.path.join(self.history_path, file_name)
if not os.path.isfile(fn):
self.write('Not found')
self.set_status(404)
return

with open(fn, mode='rb') as f:
me = mfg_event_pb2.MfgEvent()
me.ParseFromString(f.read())
# TODO: could use sha1 here to check?
desired_real = [a for a in me.attachment if a.name == attachment_name]
if len(desired_real) > 0:
self.write(desired_real[0].value_binary)
self.set_status(200)
else:
self.write('Attachment not found in test')
self.set_status(404)


class StationMulticast(multicast.MulticastListener):
Expand Down