Add multiple raster layers to QGIS based on naming patterns, dates version

abrir_layers_qgis_baseado_datas.py

#
# add multiple raster layers to QGIS based on naming patterns, dates version
# 
# created by Luisa Lucchese
# in April 2021
# 
# run directly from QGIS
# 

# MIT License

#Copyright (c) 2021 Luisa V. Lucchese

#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:

#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.

#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
#SOFTWARE.

# load packages to work with dates in Python
from datetime import date 
from datetime import datetime 

# where are your files
caminho_base = "your path here"

# how many files are there to open
MAX_ARQ=10

# the starting date
startyear=1970 
startmonth=1 
startday=1 

date_start=date.toordinal(date(startyear,startmonth,startday)) 

for i in range(1,MAX_ARQ+1):

    # the number i in strings, with different leading zeros
    num_1dig=str(i); # 1 digit
    num_2dig=str(i).zfill(2); # 2 digit
    num_3dig=str(i).zfill(3); # 3 digit

    # dates in strings
    date_loop=date_start+i
    loop_datetime=date.fromordinal(date_loop)
    year = loop_datetime.strftime("%Y")
    month = loop_datetime.strftime("%m")
    day = loop_datetime.strftime("%d")

    # Suppose your files have a pattern in their names. 
    # Now is the time to implement it:
    caminho_arquivo = caminho_base + year+ '-' + month + '-' + day + '/' + 'raster.tif'
    # Other possibilities 
    # caminho_arquivo = caminho_base + year+ '_' + month + '_' + day + '/' + 'raster.tif'
    # Check luisalucchese.com/post/batch-process-load-raster-layers-QGIS/ for more information.
    # 
    # If your file path does not include dates, there is a gist for you
    # called "abrir_layers_qgis.py"

    # Your layers can also have unique names
    nome_layer= 'camada_' + num_1dig

    raster_camada = QgsRasterLayer(caminho_arquivo, nome_layer)
    
    QgsProject.instance().addMapLayers([raster_camada])