def fetch():
global stock
config.logger.info("stock:fetch()")
try:
stock_semaphore.acquire(1)
# fetch from server
d = connection.getData(config.stock_url)
config.logger.debug("stock: -> %s", d.status_code)
j = d.json()
if "success" in j and j["success"] and "result" in j and j["result"]:
stock = j["result"]
stock["retrieved"] = time.time()
config.logger.debug("stock: -> retrieved")
config.logger.debug("stock = %s" % stock)
controller.reconnected()
return True
else:
return False
except Exception as e:
import sys
_, _, exc_tb = sys.exc_info()
config.logger.error("stock: -> failure line %s: %s", exc_tb.tb_lineno,
e)
# import traceback
# tr=traceback.format_exc()
# aw = config.app_window
# aw.qmc.adderror(str(tr))
#controller.disconnect(False) # don't disconnect on failure
return False
finally:
if stock_semaphore.available() < 1:
stock_semaphore.release(1)
def fetch():
global stock
config.logger.info("stock:fetch()")
try:
stock_semaphore.acquire(1)
# fetch from server
d = connection.getData(config.stock_url)
config.logger.debug("stock: -> %s", d.status_code)
j = d.json()
if "success" in j and j["success"] and "result" in j and j["result"]:
stock = j["result"]
stock["retrieved"] = time.time()
config.logger.debug("stock: -> retrieved")
config.logger.debug("stock = %s" % stock)
controller.reconnected()
return True
else:
return False
except Exception as e:
config.logger.error("stock: -> failure: %s", e)
#controller.disconnect(False) # don't disconnect on failure
return False
finally:
if stock_semaphore.available() < 1:
stock_semaphore.release(1)
def fetchServerUpdate(uuid, file=None):
aw = config.app_window
try:
config.logger.debug(
"sync:fetchServerUpdate() -> requesting update from server (file: %s)",
file)
last_modified = ""
if file is not None:
file_last_modified = util.getModificationDate(file)
# if file modification data is newer than what we have in our sync cache (as the file was externally modified),
# we update our sync cache
# addSync(uuid,file_last_modified)
# don't update the sync cache timestamp here as the changes might not have been submitted to the server yet
else:
file_last_modified = None
if file_last_modified is not None:
last_modified = "?modified_at=" + str(
int(round(file_last_modified * 1000)))
res = connection.getData(config.roast_url + "/" + uuid + last_modified)
status = res.status_code
if status == 204: # NO CONTENT: data on server is older then ours
config.logger.debug(
"sync:fetchServerUpdate() -> 204 data on server is older")
#no newer data found on server, do nothing; controller.is_synced() might report an unsynced status
# if file modification date is newer than what is known on the version from the server via the sync cache
if file is not None and getSync(uuid) is None:
config.logger.debug(
"sync: -> file not in sync cache yet, we recuires to fetch the servers modification date and add the profile to the sync cache"
)
# we recurse to get a 200 with the last_modification date from the server for this record to add it to the sync cache automatically
fetchServerUpdate(uuid)
pass
elif status == 404:
try:
data = res.json()
if "success" in data and not data["success"]:
config.logger.debug(
"sync:fetchServerUpdate() -> 404 roast record deleted on server"
)
# data not found on server, remove UUID from sync cache
delSync(uuid)
# else there must be another cause of the 404
else:
config.logger.debug(
"sync:fetchServerUpdate() -> 404 server error")
except:
pass
elif status == 200: # data on server is newer than ours => update with data from server
config.logger.debug(
"sync:fetchServerUpdate() -> 200 data on server is newer")
data = res.json()
if "result" in data:
r = data["result"]
config.logger.debug("sync: -> fetch: %s", r)
if getSync(uuid) is None and "modified_at" in r:
addSync(uuid, util.ISO86012epoch(r["modified_at"]))
config.logger.debug(
"sync: -> added profile automatically to sync cache")
if file_last_modified is not None:
config.logger.debug("sync: -> file last_modified date: %s",
util.epoch2ISO8601(file_last_modified))
if "modified_at" in r and file_last_modified is not None and util.ISO86012epoch(
r["modified_at"]) > file_last_modified:
applyServerUpdates(r)
else:
config.logger.debug(
"sync: -> data received from server was older!?")
config.logger.debug(
"sync: -> file last_modified epoch: %s",
file_last_modified)
config.logger.debug(
"sync: -> server last_modified epoch: %s",
util.ISO86012epoch(r["modified_at"]))
config.logger.debug(
"sync: -> server last_modified date: %s",
r["modified_at"])
except requests.exceptions.ConnectionError as e: # more general: requests.exceptions.RequestException
config.logger.debug(
"sync: -> connection error in fetchServerUpdate(), disconnecting: %s",
e)
# we disconnect, but keep the queue running to let it automatically reconnect if possible
controller.disconnect(remove_credentials=False, stop_queue=False)
except Exception as e:
import sys
_, _, exc_tb = sys.exc_info()
config.logger.error(
"sync: Exception in fetchServerUpdate() in line %s: %s",
exc_tb.tb_lineno, e)
finally:
aw.editgraphdialog = None # stop block opening the Roast Properties dialog while syncing from the server
config.app_window.updatePlusStatusSignal.emit() # @UndefinedVariable
def fetchServerUpdate(uuid, file=None):
aw = config.app_window
try:
config.logger.debug(
"sync:fetchServerUpdate() -> requesting update from server (file: %s)",
file)
last_modified = ""
if file is not None:
file_last_modified = util.getModificationDate(file)
# if file modification data is newer than what we have in our sync cache (as the file was externally modified),
# we update our sync cache
# addSync(uuid,file_last_modified)
# don't update the sync cache timestamp here as the changes might not have been submitted to the server yet
else:
file_last_modified = None
if file_last_modified is not None:
last_modified = "?modified_at=" + str(
int(round(file_last_modified * 1000)))
res = connection.getData(config.roast_url + "/" + uuid + last_modified)
status = res.status_code
if status == 204: # NO CONTENT: data on server is older then ours
config.logger.debug(
"sync:fetchServerUpdate() -> 204 data on server is older")
pass # we do nothing
elif status == 404:
try:
data = res.json()
if "success" in data and not data["success"]:
config.logger.debug(
"sync:fetchServerUpdate() -> 404 roast record deleted on server"
)
# data not found on server, remove UUID from sync cache
delSync(uuid)
# else there must be another cause of the 404
else:
config.logger.debug(
"sync:fetchServerUpdate() -> 404 server error")
except:
pass
elif status == 200: # data on server is newer than ours => update with data from server
config.logger.debug(
"sync:fetchServerUpdate() -> 200 data on server is newer")
data = res.json()
if "result" in data:
r = data["result"]
config.logger.debug("sync: -> fetch: %s", r)
if file_last_modified is not None:
config.logger.debug("sync: -> file last_modified date: %s",
util.epoch2ISO8601(file_last_modified))
if "modified_at" in r and file_last_modified is not None and util.ISO86012epoch(
r["modified_at"]) > file_last_modified:
applyServerUpdates(r)
else:
config.logger.debug(
"sync: -> data received from server was older!?")
config.logger.debug(
"sync: -> file last_modified epoch: %s",
file_last_modified)
config.logger.debug(
"sync: -> server last_modified epoch: %s",
util.ISO86012epoch(r["modified_at"]))
config.logger.debug(
"sync: -> server last_modified date: %s",
r["modified_at"])
except Exception as e:
import sys
_, _, exc_tb = sys.exc_info()
config.logger.error(
"sync: Exception in fetchServerUpdate() in line %s: %s",
exc_tb.tb_lineno, e)
finally:
aw.editgraphdialog = None # stop block opening the Roast Properties dialog while syncing from the server
config.app_window.updatePlusStatusSignal.emit() # @UndefinedVariable