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Json load from URL, recursive display, Python 3.4

Reading a json object from a remote URL (or it that's not available from a local file), displaying the contents of the object, modifying it, and printing it out. A Python 3.4 example from today's Python course. See [here] for full source code.

Note that in Python 2, you would have used urllib2 which replaced the earlier urllib - but the name urllib has come back in Python 3 as the new "all singing, all dancing" URL accessor.

(written 2015-10-14)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
Y202 - Python on the Web
  [4404] Which (virtual) host was visited? Tuning Apache log files, and Python analysis - (2015-01-23)
  [4089] Quick and easy - showing Python data hander output via a browser - (2013-05-15)
  [2365] Counting Words in Python via the web - (2009-08-18)
  [2238] Handling nasty characters - Perl, PHP, Python, Tcl, Lua - (2009-06-14)
  [1745] Moodle, Drupal, Django (and Rails) - (2008-08-08)
  [903] Pieces of Python - (2006-10-23)
  [433] FTP - how to make the right transfers - (2005-09-01)
  [426] Robust checking of data entered by users - (2005-08-27)
  [237] Crossfertilisation, PHP to Python - (2005-03-06)

Y115 - Additional Python Facilities
  [4709] Some gems from Intermediate Python - (2016-10-30)
  [4593] Command line parameter handling in Python via the argparse module - (2015-12-08)
  [4451] Running an operating system command from your Python program - the new way with the subprocess module - (2015-03-06)
  [4439] Json is the new marshall, pickle and cPickle / Python - (2015-02-22)
  [4298] Python - an interesting application - (2014-09-18)
  [4211] Handling JSON in Python (and a csv, marshall and pickle comparison) - (2013-11-16)
  [4085] JSON from Python - first principles, easy example - (2013-05-13)
  [3469] Teaching dilemma - old tricks and techniques, or recent enhancements? - (2011-10-08)
  [3442] A demonstration of how many Python facilities work together - (2011-09-16)
  [3089] Python regular expressions - repeating, splitting, lookahead and lookbehind - (2010-12-17)
  [2790] Joining a MySQL table from within a Python program - (2010-06-02)
  [2786] Factory methods and SqLite in use in a Python teaching example - (2010-05-29)
  [2765] Running operating system commands from your Python program - (2010-05-14)
  [2764] Python decorators - your own, staticmethod and classmethod - (2010-05-14)
  [2746] Model - View - Controller demo, Sqlite - Python 3 - Qt4 - (2010-04-29)
  [2745] Connecting Python to sqlite and MySQL databases - (2010-04-28)
  [2721] Regular Expressions in Python - (2010-04-14)
  [2655] Python - what is going on around me? - (2010-02-28)
  [2462] Python - how it saves on compile time - (2009-10-20)
  [2435] Serialization - storing and reloading objects - (2009-10-04)
  [2407] Testing code in Python - doctest, unittest and others - (2009-09-16)
  [1876] Python Regular Expressions - (2008-11-08)
  [1337] A series of tyre damages - (2007-09-08)
  [1336] Ignore case in Regular Expression - (2007-09-08)
  [1305] Regular expressions made easy - building from components - (2007-08-16)
  [1149] Turning objects into something you can store - Pickling (Python) - (2007-04-15)
  [1136] Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06)
  [1043] Sending an email from Python - (2007-01-18)
  [901] Python - listing out the contents of all variables - (2006-10-21)
  [753] Python 3000 - the next generation - (2006-06-09)
  [672] Keeping your regular expressions simple - (2006-04-05)
  [663] Python to MySQL - (2006-03-31)
  [463] Splitting the difference - (2005-10-13)
  [239] What and why for the epoch - (2005-03-08)
  [208] Examples - Gadfly, NI Number, and Tcl to C interface - (2005-02-10)
  [183] The elegance of Python - (2005-01-19)


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Some other Articles
Unittest of a Flask application including forms
TransWilts public transport corridor
Flask and unittest - hello web app test world
example of SQLite using a local database file through SQLalchemy
Json load from URL, recursive display, Python 3.4
SQLAlchemy - first examples with a Python Object Relationship Mapping system
Flask - complete MVC site to navigate around a data set
Sessions in flask
Flask - first forms and responses with wtforms
Jinja2 - Flask templating
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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