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json | JSON | JSON Processing library

 by   nlohmann C++ Version: v3.11.2 License: MIT

 by   nlohmann C++ Version: v3.11.2 License: MIT

kandi X-RAY | json Summary

json is a C++ library typically used in Utilities, JSON Processing applications. json has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.
There are myriads of JSON libraries out there, and each may even have its reason to exist. Our class had these design goals:.
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • json has a medium active ecosystem.
  • It has 33534 star(s) with 5783 fork(s). There are 752 watchers for this library.
  • There were 1 major release(s) in the last 6 months.
  • There are 47 open issues and 2043 have been closed. On average issues are closed in 20 days. There are 33 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of json is v3.11.2
json Support
Best in #JSON Processing
Average in #JSON Processing
json Support
Best in #JSON Processing
Average in #JSON Processing

quality kandi Quality

  • json has 0 bugs and 0 code smells.
json Quality
Best in #JSON Processing
Average in #JSON Processing
json Quality
Best in #JSON Processing
Average in #JSON Processing

securitySecurity

  • json has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • json code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
json Security
Best in #JSON Processing
Average in #JSON Processing
json Security
Best in #JSON Processing
Average in #JSON Processing

license License

  • json is licensed under the MIT License. This license is Permissive.
  • Permissive licenses have the least restrictions, and you can use them in most projects.
json License
Best in #JSON Processing
Average in #JSON Processing
json License
Best in #JSON Processing
Average in #JSON Processing

buildReuse

  • json releases are available to install and integrate.
  • Installation instructions are not available. Examples and code snippets are available.
  • It has 4044 lines of code, 200 functions and 7 files.
  • It has high code complexity. Code complexity directly impacts maintainability of the code.
json Reuse
Best in #JSON Processing
Average in #JSON Processing
json Reuse
Best in #JSON Processing
Average in #JSON Processing
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json Key Features

Intuitive syntax. In languages such as Python, JSON feels like a first class data type. We used all the operator magic of modern C++ to achieve the same feeling in your code. Check out the examples below and you'll know what I mean.

Trivial integration. Our whole code consists of a single header file json.hpp. That's it. No library, no subproject, no dependencies, no complex build system. The class is written in vanilla C++11. All in all, everything should require no adjustment of your compiler flags or project settings.

Serious testing. Our class is heavily unit-tested and covers 100% of the code, including all exceptional behavior. Furthermore, we checked with Valgrind and the Clang Sanitizers that there are no memory leaks. Google OSS-Fuzz additionally runs fuzz tests against all parsers 24/7, effectively executing billions of tests so far. To maintain high quality, the project is following the Core Infrastructure Initiative (CII) best practices.

Memory efficiency. Each JSON object has an overhead of one pointer (the maximal size of a union) and one enumeration element (1 byte). The default generalization uses the following C++ data types: std::string for strings, int64_t, uint64_t or double for numbers, std::map for objects, std::vector for arrays, and bool for Booleans. However, you can template the generalized class basic_json to your needs.

Speed. There are certainly faster JSON libraries out there. However, if your goal is to speed up your development by adding JSON support with a single header, then this library is the way to go. If you know how to use a std::vector or std::map, you are already set.

json Examples and Code Snippets

Community Discussions

Trending Discussions on json
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Trending Discussions on json

QUESTION

Python/Docker ImportError: cannot import name 'json' from itsdangerous

Asked 2022-Mar-31 at 12:49

I am trying to get a Flask and Docker application to work but when I try and run it using my docker-compose up command in my Visual Studio terminal, it gives me an ImportError called ImportError: cannot import name 'json' from itsdangerous. I have tried to look for possible solutions to this problem but as of right now there are not many on here or anywhere else. The only two solutions I could find are to change the current installation of MarkupSafe and itsdangerous to a higher version: https://serverfault.com/questions/1094062/from-itsdangerous-import-json-as-json-importerror-cannot-import-name-json-fr and another one on GitHub that tells me to essentially change the MarkUpSafe and itsdangerous installation again https://github.com/aws/aws-sam-cli/issues/3661, I have also tried to make a virtual environment named veganetworkscriptenv to install the packages but that has also failed as well. I am currently using Flask 2.0.0 and Docker 5.0.0 and the error occurs on line eight in vegamain.py.

Here is the full ImportError that I get when I try and run the program:

veganetworkscript-backend-1  | Traceback (most recent call last):
veganetworkscript-backend-1  |   File "/app/vegamain.py", line 8, in <module>
veganetworkscript-backend-1  |     from flask import Flask
veganetworkscript-backend-1  |   File "/usr/local/lib/python3.9/site-packages/flask/__init__.py", line 19, in <module>
veganetworkscript-backend-1  |     from . import json
veganetworkscript-backend-1  |   File "/usr/local/lib/python3.9/site-packages/flask/json/__init__.py", line 15, in <module>
veganetworkscript-backend-1  |     from itsdangerous import json as _json
veganetworkscript-backend-1  | ImportError: cannot import name 'json' from 'itsdangerous' (/usr/local/lib/python3.9/site-packages/itsdangerous/__init__.py)
veganetworkscript-backend-1 exited with code 1

Here are my requirements.txt, vegamain.py, Dockerfile, and docker-compose.yml files:

requirements.txt:

Flask==2.0.0
Flask-SQLAlchemy==2.4.4
SQLAlchemy==1.3.20
Flask-Migrate==2.5.3
Flask-Script==2.0.6
Flask-Cors==3.0.9
requests==2.25.0
mysqlclient==2.0.1
pika==1.1.0
wolframalpha==4.3.0

vegamain.py:

# Veganetwork (C) TetraSystemSolutions 2022
# all rights are reserved.  
# 
# Author: Trevor R. Blanchard Feb-19-2022-Jul-30-2022
#

# get our imports in order first
from flask import Flask # <-- error occurs here!!!

# start the application through flask.
app = Flask(__name__)

# if set to true will return only a "Hello World" string.
Debug = True

# start a route to the index part of the app in flask.
@app.route('/')
def index():
    if (Debug == True):
        return 'Hello World!'
    else:
        pass

# start the flask app here --->
if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0') 

Dockerfile:

FROM python:3.9
ENV PYTHONUNBUFFERED 1
WORKDIR /app
COPY requirements.txt /app/requirements.txt
RUN pip install -r requirements.txt
COPY . /app

docker-compose.yml:

version: '3.8'
services:
  backend:
    build:
      context: .
      dockerfile: Dockerfile
    command: 'python vegamain.py'
    ports:
      - 8004:5000
    volumes:
      - .:/app
    depends_on:
      - db

#  queue:
#    build:
#      context: .
#      dockerfile: Dockerfile
#    command: 'python -u consumer.py'
#    depends_on:
#      - db

  db:
    image: mysql:5.7.22
    restart: always
    environment:
      MYSQL_DATABASE: admin
      MYSQL_USER: root
      MYSQL_PASSWORD: root
      MYSQL_ROOT_PASSWORD: root
    volumes:
      - .dbdata:/var/lib/mysql
    ports:
      - 33069:3306

How exactly can I fix this code? thank you!

ANSWER

Answered 2022-Feb-20 at 12:31

I was facing the same issue while running docker containers with flask.

I downgraded Flask to 1.1.4 and markupsafe to 2.0.1 which solved my issue.

Check this for reference.

Source https://stackoverflow.com/questions/71189819

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install json

You can download it from GitHub.

Support

:question: If you have a question, please check if it is already answered in the FAQ or the Q&A section. If not, please ask a new question there. :books: If you want to learn more about how to use the library, check out the rest of the README, have a look at code examples, or browse through the help pages. :construction: If you want to understand the API better, check out the API Reference. :bug: If you found a bug, please check the FAQ if it is a known issue or the result of a design decision. Please also have a look at the issue list before you create a new issue. Please provide as much information as possible to help us understand and reproduce your issue. There is also a docset for the documentation browsers Dash, Velocity, and Zeal that contains the full documentation as offline resource.

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  • https://github.com/nlohmann/json.git

  • gh repo clone nlohmann/json

  • git@github.com:nlohmann/json.git

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