How do i convert this json to yml-CodePudding

I have this list of dictionaries and want to convert it into .yml file

input = [
    {
        'id': 1, 
        'coordinates': [
            [34, 31], 
            [235, 31], 
            [34, 97], 
            [235, 97]
        ]
    }, 
    {
        'id': 2, 
        'coordinates': [
            [1028, 31], 
            [1248, 31], 
            [1028, 104], 
            [1248, 104]
        ]
    }
]

This is my code:

import json
import yaml
coord = [{'id': 1, 'coordinates': [[34, 31], [235, 31], [34, 97], [235, 97]]}, {'id': 2, 'coordinates': [[1028, 31], [1248, 31], [1028, 104], [1248, 104]]}]
print(coord)
ff = open('data.yml', 'w')
yaml.dump(coord, ff, default_flow_style=False)

ydump = yaml.dump(coord, default_flow_style=False)
print ('ydump=',ydump)
f.close()

But im getting this output :-

ydump= - coordinates:
  - - 34
    - 31
  - - 235
    - 31
  - - 34
    - 97
  - - 235
    - 97
  id: 1
- coordinates:
  - - 1028
    - 31
  - - 1248
    - 31
  - - 1028
    - 104
  - - 1248
    - 104
  id: 2

Whereas required output is :-

===================UPDATE==================

I tried this code which might work

with open("test.yml", "w ") as output:
        output.write("-\n          id: "   str(id)   "\n          coordinates: [" 
                           "["   str([xywh[0])   ","   str(xywh[1])   "],"   "]]\n")
                          "["   str(xywh[0] xywh[2])   ","   str(xywh[1])   "],"  
                          "["   str(xywh[0])   ","   str(xywh[1] xywh[3])   "],"  
                          "["   str(xywh[0] xywh[2])   ","   str(xywh[1] xywh[3])   "]]\n")

But getting this error :-

   "["   str([xywh[0])   ","   str(xywh[1])   "],"   "]]\n")
                        ^
SyntaxError: invalid syntax

CodePudding user response：

Thanks a lot everyone. This snippet solved my problem :-

with open("test.yml", "w ") as output:
        output.write("-\n          id: "   str(ctr)   "\n          coordinates: [" 
                           "["   str(xywh[0])   ","   str(xywh[1])   "],"   
                          "["   str(xywh[0] xywh[2])   ","   str(xywh[1])   "],"  
                          "["   str(xywh[0])   ","   str(xywh[1] xywh[3])   "],"  
                          "["   str(xywh[0] xywh[2])   ","   str(xywh[1] xywh[3])   "]]\n")

CodePudding user response：

I tried to copy-paste your JSON string into

This probably means that the standard .yml file doesn't format Python lists that way.

CodePudding user response：

Try this: add sort_keys=False

ydump = yaml.dump(coord, default_flow_style=False, sort_keys=False)