My response back from MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it. Error: Print: But When i try to return: It is RESTfull call: db is well connected and collection is there too and I got back valid expected result but when i try
Tag: json
‘dict’ object has no attribute ‘loads’
Im trying to create a simple key/value store client that accepts input from a text file like this This is the error I am getting I currently have the whole thing in a for loop to call the url for each new command but I’m having issues with any input file larger than 1 line. Here is my source, i’m
is not JSON serializable
I have the following ListView But I get following error: Any ideas ? Answer It’s worth noting that the QuerySet.values_list() method doesn’t actually return a list, but an object of type django.db.models.query.ValuesListQuerySet, in order to maintain Django’s goal of lazy evaluation, i.e. the DB query required to generate the ‘list’ isn’t actually performed until the object is evaluated. Somewhat irritatingly,
dump json into yaml
I got a .json file (named it meta.json) like this: I would like to convert it to a .yaml file (named it meta.yaml) like : What I have done was : But sadly, what I got is following: Why? Answer pyyaml.dump() has an allow_unicode option that defaults to None (all non-ASCII characters in the output are escaped). If allow_unicode=True, then
Parsing JSON array into class instance objects?
I’m trying to parse some data in Python I have some JSON: If I wanted to parse the “metros” array into and array of Python class Metro objects, how would I setup the class? I was thinking: So I want to go through each metro and put the data into a corresponding Metro object and place that object into a
Return JSON response from Flask view
I have a function that analyzes a CSV file with Pandas and produces a dict with summary information. I want to return the results as a response from a Flask view. How do I return a JSON response? Answer A view can directly return a Python dict or list and Flask will call jsonify automatically. For older Flask versions, or
Flask POST request is causing server to crash
I am trying to make a simple api in Flask, the first step being getting the POST json data. (I just want to print it for now) This is my code and when I request /api with json data, it returns a 500 error. Any thoughts on why this is happening? The curl command: body.json: Answer First what you want
How to JSON serialize sets?
I have a Python set that contains objects with __hash__ and __eq__ methods in order to make certain no duplicates are included in the collection. I need to json encode this result set, but passing even an empty set to the json.dumps method raises a TypeError. I know I can create an extension to the json.JSONEncoder class that has a
HTTP requests and JSON parsing in Python [duplicate]
This question already has answers here: How can I parse (read) and use JSON? (5 answers) What are the differences between the urllib, urllib2, urllib3 and requests module? (11 answers) Closed last month. I want to dynamically query Google Maps through the Google Directions API. As an example, this request calculates the route from Chicago, IL to Los Angeles, CA
How to convert an XML string to a dictionary?
I have a program that reads an XML document from a socket. I have the XML document stored in a string which I would like to convert directly to a Python dictionary, the same way it is done in Django’s simplejson library. Take as an example: Then dic_xml would look like {‘person’ : { ‘name’ : ‘john’, ‘age’ : 20