[Tutor] Program gets stuck after a creating a list from dictinary items!

[Ali Torkamani]

BTW I changed it to:
D=[prog[key1] for key1 in list(sCommonFeatures)]

because sCommonFeatures is actually a set, but it still has the smae problem

On Fri, Jul 6, 2012 at 12:27 PM, Ali Torkamani <torkamani at gmail.com> wrote:

> Thanks, I checked,  FD is not empty,
> Thanks for reminding about the flush and close, but I think some thing is
> wrong with:
>
> D=[prog[key1] for key1 in sCommonFeatures]
>
> In the debug mode it works fine from the command line, but in the for loop
> it gets stuck.
>
> Ali
>
>
> On Fri, Jul 6, 2012 at 12:22 PM, Prasad, Ramit <ramit.prasad at jpmorgan.com>wrote:
>
>> From: Ali Torkamani
>> > I'm trying to write a dictionary into a csv file, in the following code
>> > FlatData is the global dictionary whose keys are datetime objects, and
>> the
>> > values are list of dictionaries. sCommonFeatures are key's that exist
>> in all
>> > of such 'sub'-dictionaries, and sOtherFeatures are the key's that are
>> in some
>> > of sub-dictionaries.
>> >
>> > The problem is that in line : D=[prog[key1] for key1 in sCommonFeatures]
>> > (line 10 below), the program stucks!
>>
>> Gets stuck how? I see nothing in that line that looks invalid. It may just
>> take awhile depending on the amount of keys it has to go through. Maybe
>> you just need to wait longer?
>>
>> >
>> > I appreciate any help.
>> >
>> > def WriteOneDayToCSV(sCommonFeatures,sOtherFeatures,date):
>> >     FD=FlatData[date]
>> >
>> >
>> A=['UniqeDate','Year','Month','Day']+list(sCommonFeatures)+list(sOtherFeatures
>> > )
>> >     pdb.set_trace()
>> >     with
>> > open(str(date.year)+"_"+str(date.month)+"_"+str(date.day)+".csv",'wb')
>> as
>> > myfile:
>> >         fout = csv.writer(myfile, delimiter=',', quotechar="'")
>> >
>> >         fout.writerow(A)
>> >         for prog in FD:
>>
>> Try inserting a print here to make sure FD is not an empty list.
>>
>> >             D=[prog[key1] for key1 in sCommonFeatures]
>> >             print(prog)
>> >             pdb.set_trace()
>> >             diff=sOtherFeatures.difference(prog.keys())
>> >             prog.update({x:'NONE' for x in diff})
>> >
>> >             C=[prog[key2] for key2 in sOtherFeatures]
>> >             A=["%4d%02d%02d"
>> > %(date.year,date.month,date.day),date.year,date.month,date.day]
>> >             fout.writerow(A+D+C)
>> >             pdb.set_trace()
>> >         myfile.flush()
>> >         myfile.close()
>>
>> There is no need to flush/close a file that is opened using "with".
>>
>> Ramit
>>
>>
>> Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
>> 712 Main Street | Houston, TX 77002
>> work phone: 713 - 216 - 5423
>>
>> --
>>
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>
>
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