Hello
I encounter an interesting problem or bug
I have a app that runs some *.exe program that returns a file (*.out) to be
processed every couple of second.
If I want to stop this exe from working I delete *.lls file.
So if a user hits play button I create lls file put it in a directory, sets
status in db to 11 and then after some calculation is done user clicks on
stop button and lls file is deleted, status in db is set back to 10, and
some more actions are done with out file (doesn't really matter)
NOW HERE IS THE CATCH
If I run web2py from eclipse it works fine
if I run web2py as standalone so doble click on web2py.py file in my
windows explorer the lls file is not deleted, BUT there is a catch. If I
refresh the page, click the stop button in my webapp lls file is deleted
ANY suggestions?
BTW there are no errors
here is my code
id = (request.vars.id)
try:
path = os.path.join(request.folder, 'engine')
llsPath = os.path.join(request.folder, 'engine', 'e1',
request.vars.id + '.lls')
data =
db(getDbScript(db(getDbScript(request.vars.id)).select(db.scripts.id,
db.scripts.sc_lls, db.scripts.sc_engine_output, db.scripts.sc_status,
db.scripts.sc_menu_data).first())).select(db.scripts.id, db.scripts.sc_lls,
db.scripts.sc_engine_output, db.scripts.sc_status,
db.scripts.sc_menu_data).first()
script = db(getDbScript(request.vars.id)).select(db.scripts.id,
db.scripts.sc_lls, db.scripts.sc_engine_output, db.scripts.sc_status,
db.scripts.sc_menu_data,db.scripts.sc_organization,
db.scripts.sc_cal_start).first()
org = script["sc_organization"]
shifts = db(db.shifts.sh_organisation ==
org).select(db.shifts.sh_code,
db.shifts.sh_start1,db.shifts.sh_start2,db.shifts.sh_end1,db.shifts.sh_end2,db.shifts.sh_color,db.shifts.sh_length1,db.shifts.sh_length2).as_list()
outPath = os.path.join(request.folder, 'engine', 'e1',
request.vars.id + '.out')
if not script:
return dict(status = -1)
###Status = 11 - Script is being calculated
if script.sc_status == 11:
# Change status - status = 10 --> user lahko da skripo računat
- nima napak oz pomanjklivih podatkov
#, sc_engine_output = readOutFile(request.vars.id))s
# Add when user stopped calculation (ce bojo problemi se bo
zraven posiljalo tudi id od script activitya)
#Odstranim lls datoteko --> engine preneha delovat
if os.path.isfile(llsPath):
os.remove(llsPath)
activity = db(db.script_activity.sa_id_script ==
request.vars.id).select(db.script_activity.id, db.script_activity.sa_stop,
orderby = ~db.script_activity.id, limitby = (0, 1)).first()
activity.update_record(sa_stop = 'now')
script.update_record(sc_status = 10)
##če obstaja out datotkea
if os.path.isfile(outPath):
#preberemo fajl
out = readOutFile(request.vars.id).split('\n')
#Vnesemo podatke v tabelo script
script.update_record(sc_engine_output =
readOutFile(request.vars.id))
#odstranim out. datoteko
os.remove(outPath)
workersDb = db(db.workers.w_organisation ==
org).select(db.workers.id, db.workers.w_nick_name).as_list()
#sparsamo out datoteko da jo lahko damo v tabelo result
dateStart = script["sc_cal_start"]
resultData = parseOut(out, dateStart, shifts, workersDb,
org)
#Pišemo rezultate v tabelo results
resultsDbInsert(resultData["resultsDbData"], org, id)
return dict(status = 1)
else:
##prevedemo skripto v id.lls, prav tako zapišemo še v sc_lls
#
db.script_activity.insert(sa_id_script = request.vars.id,
sa_start = 'now');
##validiramo json če ima kakršne koli napake idt.
valJson = validateJson(script.sc_menu_data)
if 1!=1 :#not valJson:
#validacija ni uspela vrnemo error 300
return dict(status = 300)
#$#nov json - z vsemi errorji zapiđšemo v sc_menu_data
script.update_record(sc_menu_data = valJson["formJson"])
#če obstajjo errorji pol konc
if 1!=1:#valJson["errors"]:
#skripta gre v status 91, kar pomen da je user ne more dat
računat
script.update_record(sc_status = 91)
#print valJson["errors"]
return dict(status = 200)
else:
script.update_record(sc_status = 11)
if os.path.isfile(outPath):
os.remove(outPath)
TranslateData(script.sc_menu_data, path, id, org)
# Run woshi engine
path_1 = os.path.join(path, 'e1')
os.chdir(path_1)
#p = subprocess.Popen(['w_parameter.bat', id], shell=True,
stdout = subprocess.PIPE)
p = subprocess.Popen(['woshi_engine.exe', id], shell=True,
stdout = subprocess.PIPE)
return dict(status = 1)
except Exception as e:
script.update_record(sc_status = 10)
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
print e.__doc__
print e.message
return dict(status = 666)
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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