LukDeveloper · November 20, 2021 20:10
diff --git a/download-deter-data.py b/download-deter-data.py
 """
 Download WFS
 Download Shapefile DETER

 Copyright 2020 Andre Carvalho

 Usage:
  download-deter-data.py

 Options:
  no have

 Disclaimer.

 This is an example, therefore, we do not implement all error handling or cover all
 problems related to the download process.
 It is highly recommended that you improve and adapt this code to your specifics.

 If you run this script in the same directory on the same day, the output file will be replaced.

 Before start, read the tecnical posts into our Blog.
 http://terrabrasilis.dpi.inpe.br/categoria/conteudo-tecnico/
 """

 import requests, os
 from requests.auth import HTTPBasicAuth
 from datetime import datetime

 class DownloadWFS:
  """
    Define configurations on instantiate.

    First parameter: user, The user name used to authentication on the server.

    Second parameter: password, The password value used to authentication on the server.
    
    To change the predefined settings, inside the constructor, edit the
    parameter values in accordance with the respective notes.
    """

  def __init__(self,user="user",password="pass"):
    """
    Constructor with predefined settings.

    The start date is set by manually changing the value of the START_DATE parameter, below.

    The end date is automatically detected in the machine's calendar.

    The next filter on the states, uses the UF parameter and the
    values are the acronyms of the state names, like PA or AM.

    Important note: If the range used to filter is very wide, the number
    of resources returned may be greater than the maximum limit allowed by the server.
    """

    # warning: before change the time interval, pay attention into notes on constructor.
    self.START_DATE="2020-01-01"
    self.END_DATE=datetime.today().strftime('%Y-%m-%d')
    self.UF="PA"

    # To change the desired layer, change these two values below.
    self.WORKSPACE_NAME="deter-amz"
    self.LAYER_NAME="deter_daily_auth"

    # The output file name (layer_name_start_date_end_date_uf)
    self.OUTPUT_FILENAME="{0}_{1}_{2}_{3}".format(self.LAYER_NAME,self.START_DATE,self.END_DATE, self.UF)
    
    self.AUTH=HTTPBasicAuth(user, password)
    self.URL_BASE="terrabrasilis.dpi.inpe.br"

  def __buildQueryString(self):
    """
    Building the query string to call the WFS service.

    To change defined filters and discover more possibilities
    you should learn more about WFS standard and how to filter using CQL.
    https://www.ogc.org/standards/wfs
    """
    # Filters example (by date interval and uf)
    CQL_FILTER="date BETWEEN '{0}' AND '{1}' AND uf='{2}'".format(self.START_DATE,self.END_DATE,self.UF)
    # WFS parameters
    SERVICE="WFS"
    REQUEST="GetFeature"
    VERSION="2.0.0"
    # if OUTPUTFORMAT is changed, check the output file extension within the get method in this class.
    OUTPUTFORMAT="SHAPE-ZIP"
    exceptions="text/xml"
    # define the output projection. We use the layer default projection. (Geography/SIRGAS2000)
    srsName="EPSG:4674"
    # the layer definition
    TYPENAME="{0}:{1}".format(self.WORKSPACE_NAME,self.LAYER_NAME)
    
    allLocalParams=locals()
    allLocalParams.pop("self",None)
    PARAMS="&".join("{}={}".format(k,v) for k,v in allLocalParams.items())
    return PARAMS
  
  def get(self):
    url="http://{0}/geoserver/ows?{1}".format(self.URL_BASE, self.__buildQueryString())
    dir_name=os.path.realpath(os.path.dirname(__file__))
    # the extension of output file is ".zip" because the OUTPUTFORMAT is defined as "SHAPE-ZIP"
    output_file="{0}/{1}.zip".format(dir_name,self.OUTPUT_FILENAME)
    response=requests.get(url, auth=self.AUTH)
    if response.ok:
      with open(output_file, 'wb') as f:
        f.write(response.content)
    else:
      print("Download fail with HTTP Error: {0}".format(response.status_code))

 down=DownloadWFS("user_name","password")
 down.get()
	"""
	Download WFS
	Download Shapefile DETER

	Copyright 2020 Andre Carvalho

	Usage:
	download-deter-data.py

	Options:
	no have

	Disclaimer.

	This is an example, therefore, we do not implement all error handling or cover all
	problems related to the download process.
	It is highly recommended that you improve and adapt this code to your specifics.

	If you run this script in the same directory on the same day, the output file will be replaced.

	Before start, read the tecnical posts into our Blog.
	http://terrabrasilis.dpi.inpe.br/categoria/conteudo-tecnico/
	"""

	import requests, os
	from requests.auth import HTTPBasicAuth
	from datetime import datetime

	class DownloadWFS:
	"""
	Define configurations on instantiate.

	First parameter: user, The user name used to authentication on the server.

	Second parameter: password, The password value used to authentication on the server.

	To change the predefined settings, inside the constructor, edit the
	parameter values in accordance with the respective notes.
	"""

	def __init__(self,user="user",password="pass"):
	"""
	Constructor with predefined settings.

	The start date is set by manually changing the value of the START_DATE parameter, below.

	The end date is automatically detected in the machine's calendar.

	The next filter on the states, uses the UF parameter and the
	values are the acronyms of the state names, like PA or AM.

	Important note: If the range used to filter is very wide, the number
	of resources returned may be greater than the maximum limit allowed by the server.
	"""

	# warning: before change the time interval, pay attention into notes on constructor.
	self.START_DATE="2020-01-01"
	self.END_DATE=datetime.today().strftime('%Y-%m-%d')
	self.UF="PA"

	# To change the desired layer, change these two values below.
	self.WORKSPACE_NAME="deter-amz"
	self.LAYER_NAME="deter_daily_auth"

	# The output file name (layer_name_start_date_end_date_uf)
	self.OUTPUT_FILENAME="{0}_{1}_{2}_{3}".format(self.LAYER_NAME,self.START_DATE,self.END_DATE, self.UF)

	self.AUTH=HTTPBasicAuth(user, password)
	self.URL_BASE="terrabrasilis.dpi.inpe.br"

	def __buildQueryString(self):
	"""
	Building the query string to call the WFS service.

	To change defined filters and discover more possibilities
	you should learn more about WFS standard and how to filter using CQL.
	https://www.ogc.org/standards/wfs
	"""
	# Filters example (by date interval and uf)
	CQL_FILTER="date BETWEEN '{0}' AND '{1}' AND uf='{2}'".format(self.START_DATE,self.END_DATE,self.UF)
	# WFS parameters
	SERVICE="WFS"
	REQUEST="GetFeature"
	VERSION="2.0.0"
	# if OUTPUTFORMAT is changed, check the output file extension within the get method in this class.
	OUTPUTFORMAT="SHAPE-ZIP"
	exceptions="text/xml"
	# define the output projection. We use the layer default projection. (Geography/SIRGAS2000)
	srsName="EPSG:4674"
	# the layer definition
	TYPENAME="{0}:{1}".format(self.WORKSPACE_NAME,self.LAYER_NAME)

	allLocalParams=locals()
	allLocalParams.pop("self",None)
	PARAMS="&".join("{}={}".format(k,v) for k,v in allLocalParams.items())
	return PARAMS

	def get(self):
	url="http://{0}/geoserver/ows?{1}".format(self.URL_BASE, self.__buildQueryString())
	dir_name=os.path.realpath(os.path.dirname(__file__))
	# the extension of output file is ".zip" because the OUTPUTFORMAT is defined as "SHAPE-ZIP"
	output_file="{0}/{1}.zip".format(dir_name,self.OUTPUT_FILENAME)
	response=requests.get(url, auth=self.AUTH)
	if response.ok:
	with open(output_file, 'wb') as f:
	f.write(response.content)
	else:
	print("Download fail with HTTP Error: {0}".format(response.status_code))

	down=DownloadWFS("user_name","password")
	down.get()