On Apr 23, 1:17 pm, Terry Reedy <tjre...@udel.edu> wrote: > On 4/23/2010 10:20 AM, Red wrote: > > > My apologies for what is probably a simple question to most on this > > group. However, I am new to python and very new to json. > > > I am trying to read in a json file from a twitter download. There are, > > generally, two types of lines: those lines with "text" and the other > > lines. I am only interested in the lines with "text". I am also only > > interested in lines with "lang":"en", but I haven't gotten far enough > > to implement that condition in the code snippets below. > > > I have gotten Option 2 below to sort of work. It works fine for > > 'text', but doesn't work for 'lang'. > > You do not define 'work', 'sort of work', and "doesn't work". > > > > > FWIW I am using Python 2.6.4 > > > Can someone tell me what I'm doing wrong with the following code > > snippets and/or point me toward an example of an implementation? > > > Many thanks for your patience. > > > --------------------------------- > > > import sys > > import json > > > f = open(sys.argv[1]) > > > #option 1 > > > for line in f: > > j = json.loads(line) > > try: > > 'text' in j > > This does not raise an exception when false > > > print "TEXT: ", j > > so this should always print. > Forget this option. > > > except: > > print "EXCEPTION: ", j > > continue > > else: > > text=j['text'] > > ----snip -------- > > > #option 2 does basically the same thing as option 1 , > > Not at all when 'text' in not in j. > > but also looks > > > for 'lang' > > > for line in f: > > j = json.loads(line) > > if 'text' in j: > > if 'lang' in j: > > lang = j['lang'] > > print "language", lang > > text = j['text'] > > ----snip -------- > > tjr
I need to think about the logic here again and see what I'm missing beyond my original question. Thanks for taking the time to explain. -- http://mail.python.org/mailman/listinfo/python-list
