codeflexDian 1.0.0

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CODEFLEX CLOUD S.A.S | DIAN

Codificación y Almacenamiento Simplificados | IDE
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About The Project

Installation

pip install codeflexDian

Usage

• Example 1 | Lambda Function | GetNumberingRange

  import lxml.etree as ET
  from codeflexDian.SOAPSing import SOAPSing
  from codeflexDian.Signing import Signing
  import boto3
  import os
  from string import Template
  
  def lambda_handler(event, context):
  
      ProviderSub = event['ProviderSub']
      accountCode = event['accountCode']
      accountCodeT = event['accountCodeT']
      softwareCode = event['softwareCode']
  
      s3subir = boto3.client('s3')
      s3 = boto3.resource('s3')
  
      pathCert = "/tmp/" + ProviderSub + "/certificado.pfx"
      pathClave = "/tmp/" + ProviderSub + "/clave.txt"
  
      metodo = "GetNumberingRange"
  
      # CREA DIRECTORIO DE TRABAJO SI NO EXISTE
      directory = "/tmp/" + ProviderSub
      if not os.path.exists(directory):
          os.makedirs(directory)
  
      # Descarga el certificado
      s3.Bucket(ProviderSub).download_file("certificado.pfx", pathCert)
      
      # Descarga la clave
      s3.Bucket(ProviderSub).download_file("clave.txt", pathClave)
  
      # Lee la clave
      with open(pathClave) as f:
          passwordCert = f.readline().strip()
  
      # Si la clave es NA entonces la clave será un blanco
      if (passwordCert == "NA"):
          passwordCert = ""
  
      signing = Signing(pathCert, passwordCert)
      signer = SOAPSing(signing, metodo)
      template = Template('''<wcf:GetNumberingRange xmlns:wcf="http://wcf.dian.colombia"><wcf:accountCode>${accountCode}</wcf:accountCode><wcf:accountCodeT>${accountCodeT}</wcf:accountCodeT><wcf:softwareCode>${softwareCode}</wcf:softwareCode></wcf:GetNumberingRange>''')       
      value = {
          'accountCode': accountCode,
          'accountCodeT': accountCodeT,
          'softwareCode': softwareCode
      }
      templateOk = template.substitute(value)
      element = ET.fromstring(templateOk.encode('utf-8'))
      soapSigned = signer.sing(element)
      soapSignedString = ET.tostring(soapSigned, pretty_print=True)
  
      # Escribe Request firmado en /tmp
      signed_file_path = '/tmp/' + ProviderSub + '/' + 'RANGOS-SIGN.xml'
      with open(signed_file_path, 'wb') as f:
          f.write(soapSignedString)
      
      # Sube Request firmado de /tmp a s3
      s3subir.upload_file(signed_file_path, ProviderSub, 'RANGOS-SIGN.xml')
      
      # Retorno de información de destino
      return {
          'ProviderSub': event['ProviderSub'],
          'ProviderEmail': event['ProviderEmail']
      }
  

For more examples, please refer to the Documentation

CODEFLEX CLOUD S.A.S.

License

Distributed under the MIT License. See LICENSE for more information.

Contact

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