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grib_module.py
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grib_module.py
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# Goal: Extract what we want from the GRIB files.
# HRRR GRIB INFO EXAMPLE:
# KEY: edition centre date dataType gridType stepRange typeOfLevel level shortName packingType
# VALUE: 2 kwbc 20220105 fc lambert 0 hybrid 1 pres grid_complex_spatial_differencing
from eccodes import *
import os
import re
import sys
import traceback
from read_control_module import process_control_data
def extract_hour_from_filename(file_name):
# Search for a pattern "tXX" within the file name
match = re.search(r't(\d{2})', file_name)
if match:
return int(match.group(1))
return -1
def files_to_do_work_for(working_directory_grib, processed_data):
ForGRIB_StartDate = processed_data.get('StartDate')
ForGRIB_EndDate = processed_data.get('EndDate')
all_files = []
ForGRIB_StartDateNodash = int(ForGRIB_StartDate.replace("-", ""))
ForGRIB_EndDateNodash = int(ForGRIB_EndDate.replace("-", ""))
for root, dirs, files in os.walk(working_directory_grib):
subdirs_to_remove = []
for dir_name in dirs:
if int(dir_name) > ForGRIB_EndDateNodash or int(dir_name) < ForGRIB_StartDateNodash:
subdirs_to_remove.append(dir_name)
for subdir in subdirs_to_remove:
dirs.remove(subdir)
for file in files:
if file.endswith(".grib2"):
file_path = os.path.join(root, file)
all_files.append(file_path)
# Sort all files based on the date and hour components in the directory and file names
all_files.sort(key=lambda x: (os.path.basename(os.path.dirname(x)), extract_hour_from_filename(os.path.basename(x))))
# Print for debugging
# print(all_files)
return all_files
def match_strings_and_add_dummy_files(working_directory_grib):
# Define the strings to match
strings_to_match = ["t00z", "t01z", "t02z", "t03z", "t04z", "t05z", "t06z", "t07z", "t08z", "t09z", "t10z", "t11z", "t12z",
"t13z", "t14z", "t15z", "t16z", "t17z", "t18z", "t19z", "t20z", "t21z", "t22z", "t23z"
]
for root, dirs, files in os.walk(working_directory_grib):
for subdir in dirs:
subdir_path = os.path.join(root, subdir)
files_in_subdir = os.listdir(subdir_path)
# Check if any of the strings are present in the file names using regular expressions
missing_strings = [string for string in strings_to_match if not any(re.search(rf"{string}", file) for file in files_in_subdir)]
# Add missing strings to the subdirectory
for missing_string in missing_strings:
# Create a new file with the missing string
file_name = f"{missing_string}_missing_file.grib2"
file_path = os.path.join(subdir_path, file_name)
with open(file_path, 'w') as dummy_file:
dummy_file.write("This is a dummy file that serves as a placeholder for a missing GRIB file.")
def delete_coordinates_file(working_directory_main):
coordinates_filename = "GRIB_Nearest_Coordinates_Used.txt"
coordinates_file_path = os.path.join(working_directory_main, coordinates_filename)
# Check if the file exists, and if it does, delete it
if os.path.exists(coordinates_file_path):
os.remove(coordinates_file_path)
# This function gives the GRIB coordinates used, and sends them to an output file.
# We can check this output file to see the exact latitude and longitude that was
# chosen for each GRIB file. We would expect this value to be the same unless there
# was a change in the HRRR (or other model) grid cell locations or model resolution.
def nearest_coordinates_from_GRIB_files(working_directory_main, all_files, nearest_lat, nearest_lon):
if nearest_lon == -999:
nearest_lon_converted = nearest_lon
else:
nearest_lon_converted = nearest_lon - 360.0
coordinates_filename = "GRIB_Nearest_Coordinates_Used.txt"
coordinates_file_path = os.path.join(working_directory_main, coordinates_filename)
# Open the file in append mode ('a') to write new data
with open(coordinates_file_path, 'a') as file:
for f in all_files:
formatted_line = "{:<10} {:<10} {:<10}".format(f, nearest_lat, nearest_lon_converted)
# Print for debugging
# print(formatted_line)
file.write(formatted_line + '\n')
def process_grib_files(working_directory_main, processed_data, all_files):
delete_coordinates_file(working_directory_main)
skip_file_path = "missing_file"
ForGRIB_latitude = processed_data.get('latitude')
ForGRIB_calculatedlongitude = processed_data.get('calculatedlongitude')
resultsGRIBsetup = []
for file_path in all_files:
if skip_file_path in file_path:
nearest_index = int(-999)
nearest_distance = int(-999)
nearest_lat = int(-999)
nearest_lon = int(-999)
else:
with open(file_path, 'rb') as f:
grib_message_handle = codes_grib_new_from_file(f)
Nearestinfo = codes_grib_find_nearest(grib_message_handle, ForGRIB_latitude, ForGRIB_calculatedlongitude, is_lsm=False, npoints=1)
NearestinfoDict = Nearestinfo[0]
nearest_lat = NearestinfoDict['lat']
nearest_lon = NearestinfoDict['lon']
nearest_distance = NearestinfoDict['distance']
nearest_index = NearestinfoDict['index']
rounded_distance = round(nearest_distance, 3)
resultsGRIBsetup.append((nearest_lat, nearest_lon, nearest_distance, nearest_index))
print(f"File: {file_path} --> Data is {rounded_distance} kilometers from the requested location and the chosen grid cell is: {nearest_index}")
# This is for coordinates output file.
coordinates = nearest_coordinates_from_GRIB_files(working_directory_main, [file_path], nearest_lat, nearest_lon)
print("")
print("")
return [item[3] for item in resultsGRIBsetup]
def grib_dictionary_from_inputs(processed_data):
Dictionary_for_GRIB = {}
BoundaryLayerHeightGRIB = processed_data.get('BoundaryLayerHeight')
U_and_V_WindComponentGRIB = processed_data.get('U_and_V_WindComponent')
TemperatureGRIB = processed_data.get('Temperature')
TKEGRIB = processed_data.get('TKE')
PRESGRIB = processed_data.get('PRES')
SPFHGRIB = processed_data.get('SPFH')
WindHeightLevel1GRIB = processed_data.get('WindHeightLevel1')
WindHeightLevel2GRIB = processed_data.get('WindHeightLevel2')
WindHeightLevel3GRIB = processed_data.get('WindHeightLevel3')
WindHeightLevel4GRIB = processed_data.get('WindHeightLevel4')
WindHeightLevel5GRIB = processed_data.get('WindHeightLevel5')
WindHeightLevel6GRIB = processed_data.get('WindHeightLevel6')
WindHeightLevel7GRIB = processed_data.get('WindHeightLevel7')
WindHeightLevel8GRIB = processed_data.get('WindHeightLevel8')
WindHeightLevel9GRIB = processed_data.get('WindHeightLevel9')
WindHeightLevel10GRIB = processed_data.get('WindHeightLevel10')
WindHeightLevel11GRIB = processed_data.get('WindHeightLevel11')
WindHeightLevel12GRIB = processed_data.get('WindHeightLevel12')
TemperatureHeightLevel1GRIB = processed_data.get('TemperatureHeightLevel1')
TemperatureHeightLevel2GRIB = processed_data.get('TemperatureHeightLevel2')
TemperatureHeightLevel3GRIB = processed_data.get('TemperatureHeightLevel3')
TemperatureHeightLevel4GRIB = processed_data.get('TemperatureHeightLevel4')
TemperatureHeightLevel5GRIB = processed_data.get('TemperatureHeightLevel5')
TemperatureHeightLevel6GRIB = processed_data.get('TemperatureHeightLevel6')
TemperatureHeightLevel7GRIB = processed_data.get('TemperatureHeightLevel7')
TemperatureHeightLevel8GRIB = processed_data.get('TemperatureHeightLevel8')
TemperatureHeightLevel9GRIB = processed_data.get('TemperatureHeightLevel9')
TemperatureHeightLevel10GRIB = processed_data.get('TemperatureHeightLevel10')
TemperatureHeightLevel11GRIB = processed_data.get('TemperatureHeightLevel11')
TemperatureHeightLevel12GRIB = processed_data.get('TemperatureHeightLevel12')
TKEHeightLevel1GRIB = processed_data.get('TKEHeightLevel1')
TKEHeightLevel2GRIB = processed_data.get('TKEHeightLevel2')
TKEHeightLevel3GRIB = processed_data.get('TKEHeightLevel3')
TKEHeightLevel4GRIB = processed_data.get('TKEHeightLevel4')
TKEHeightLevel5GRIB = processed_data.get('TKEHeightLevel5')
TKEHeightLevel6GRIB = processed_data.get('TKEHeightLevel6')
TKEHeightLevel7GRIB = processed_data.get('TKEHeightLevel7')
TKEHeightLevel8GRIB = processed_data.get('TKEHeightLevel8')
TKEHeightLevel9GRIB = processed_data.get('TKEHeightLevel9')
TKEHeightLevel10GRIB = processed_data.get('TKEHeightLevel10')
TKEHeightLevel11GRIB = processed_data.get('TKEHeightLevel11')
TKEHeightLevel12GRIB = processed_data.get('TKEHeightLevel12')
PRESHeightLevel1GRIB = processed_data.get('PRESHeightLevel1')
PRESHeightLevel2GRIB = processed_data.get('PRESHeightLevel2')
PRESHeightLevel3GRIB = processed_data.get('PRESHeightLevel3')
PRESHeightLevel4GRIB = processed_data.get('PRESHeightLevel4')
PRESHeightLevel5GRIB = processed_data.get('PRESHeightLevel5')
PRESHeightLevel6GRIB = processed_data.get('PRESHeightLevel6')
PRESHeightLevel7GRIB = processed_data.get('PRESHeightLevel7')
PRESHeightLevel8GRIB = processed_data.get('PRESHeightLevel8')
PRESHeightLevel9GRIB = processed_data.get('PRESHeightLevel9')
PRESHeightLevel10GRIB = processed_data.get('PRESHeightLevel10')
PRESHeightLevel11GRIB = processed_data.get('PRESHeightLevel11')
PRESHeightLevel12GRIB = processed_data.get('PRESHeightLevel12')
SPFHHeightLevel1GRIB = processed_data.get('SPFHHeightLevel1')
SPFHHeightLevel2GRIB = processed_data.get('SPFHHeightLevel2')
SPFHHeightLevel3GRIB = processed_data.get('SPFHHeightLevel3')
SPFHHeightLevel4GRIB = processed_data.get('SPFHHeightLevel4')
SPFHHeightLevel5GRIB = processed_data.get('SPFHHeightLevel5')
SPFHHeightLevel6GRIB = processed_data.get('SPFHHeightLevel6')
SPFHHeightLevel7GRIB = processed_data.get('SPFHHeightLevel7')
SPFHHeightLevel8GRIB = processed_data.get('SPFHHeightLevel8')
SPFHHeightLevel9GRIB = processed_data.get('SPFHHeightLevel9')
SPFHHeightLevel10GRIB = processed_data.get('SPFHHeightLevel10')
SPFHHeightLevel11GRIB = processed_data.get('SPFHHeightLevel11')
SPFHHeightLevel12GRIB = processed_data.get('SPFHHeightLevel12')
if U_and_V_WindComponentGRIB == "yes":
strUandV = "yes"
else:
strUandV = "no"
if TemperatureGRIB == "yes":
strTMP = "yes"
else:
strTMP = "no"
if TKEGRIB == "yes":
strTKE = "yes"
else:
strTKE = "no"
if PRESGRIB == "yes":
strPRES = "yes"
else:
strPRES = "no"
if SPFHGRIB == "yes":
strSPFH = "yes"
else:
strSPFH = "no"
if BoundaryLayerHeightGRIB == "yes":
BLH = "blh"
LBLH = "0"
# Below are for the levels (actual level in GRIB file)
LBLH = ""
LWHGT1 = ""
LWHGT2 = ""
LWHGT3 = ""
LWHGT4 = ""
LWHGT5 = ""
LWHGT6 = ""
LWHGT7 = ""
LWHGT8 = ""
LWHGT9 = ""
LWHGT10 = ""
LWHGT11 = ""
LWHGT12 = ""
LTHGT1 = ""
LTHGT2 = ""
LTHGT3 = ""
LTHGT4 = ""
LTHGT5 = ""
LTHGT6 = ""
LTHGT7 = ""
LTHGT8 = ""
LTHGT9 = ""
LTHGT10 = ""
LTHGT11 = ""
LTHGT12 = ""
LTKEHGT1 = ""
LTKEHGT2 = ""
LTKEHGT3 = ""
LTKEHGT4 = ""
LTKEHGT5 = ""
LTKEHGT6 = ""
LTKEHGT7 = ""
LTKEHGT8 = ""
LTKEHGT9 = ""
LTKEHGT10 = ""
LTKEHGT11 = ""
LTKEHGT12 = ""
LPRESHGT1 = ""
LPRESHGT2 = ""
LPRESHGT3 = ""
LPRESHGT4 = ""
LPRESHGT5 = ""
LPRESHGT6 = ""
LPRESHGT7 = ""
LPRESHGT8 = ""
LPRESHGT9 = ""
LPRESHGT10 = ""
LPRESHGT11 = ""
LPRESHGT12 = ""
LSPFHHGT1 = ""
LSPFHHGT2 = ""
LSPFHHGT3 = ""
LSPFHHGT4 = ""
LSPFHHGT5 = ""
LSPFHHGT6 = ""
LSPFHHGT7 = ""
LSPFHHGT8 = ""
LSPFHHGT9 = ""
LSPFHHGT10 = ""
LSPFHHGT11 = ""
LSPFHHGT12 = ""
# Below are for the shortNames (actual name in GRIB file)
BLH = ""
UWHGT1 = ""
UWHGT2 = ""
UWHGT3 = ""
UWHGT4 = ""
UWHGT5 = ""
UWHGT6 = ""
UWHGT7 = ""
UWHGT8 = ""
UWHGT9 = ""
UWHGT10 = ""
UWHGT11 = ""
UWHGT12 = ""
VWHGT1 = ""
VWHGT2 = ""
VWHGT3 = ""
VWHGT4 = ""
VWHGT5 = ""
VWHGT6 = ""
VWHGT7 = ""
VWHGT8 = ""
VWHGT9 = ""
VWHGT10 = ""
VWHGT11 = ""
VWHGT12 = ""
THGT1 = ""
THGT2 = ""
THGT3 = ""
THGT4 = ""
THGT5 = ""
THGT6 = ""
THGT7 = ""
THGT8 = ""
THGT9 = ""
THGT10 = ""
THGT11 = ""
THGT12 = ""
TKEHGT1 = ""
TKEHGT2 = ""
TKEHGT3 = ""
TKEHGT4 = ""
TKEHGT5 = ""
TKEHGT6 = ""
TKEHGT7 = ""
TKEHGT8 = ""
TKEHGT9 = ""
TKEHGT10 = ""
TKEHGT11 = ""
TKEHGT12 = ""
PRESHGT1 = ""
PRESHGT2 = ""
PRESHGT3 = ""
PRESHGT4 = ""
PRESHGT5 = ""
PRESHGT6 = ""
PRESHGT7 = ""
PRESHGT8 = ""
PRESHGT9 = ""
PRESHGT10 = ""
PRESHGT11 = ""
PRESHGT12 = ""
SPFHHGT1 = ""
SPFHHGT2 = ""
SPFHHGT3 = ""
SPFHHGT4 = ""
SPFHHGT5 = ""
SPFHHGT6 = ""
SPFHHGT7 = ""
SPFHHGT8 = ""
SPFHHGT9 = ""
SPFHHGT10 = ""
SPFHHGT11 = ""
SPFHHGT12 = ""
# Below variables are assigned only if they were requested
# Boundary Layer Height**************************************************************
if BoundaryLayerHeightGRIB == "yes":
BLH = "blh"
LBLH = "0"
# WIND**************************************************************
if WindHeightLevel1GRIB == "yes" and strUandV == "yes":
UWHGT1 = "u"
VWHGT1 = "v"
LWHGT1 = "1"
if WindHeightLevel2GRIB == "yes" and strUandV == "yes":
UWHGT2 = "u"
VWHGT2 = "v"
LWHGT2 = "2"
if WindHeightLevel3GRIB == "yes" and strUandV == "yes":
UWHGT3 = "u"
VWHGT3 = "v"
LWHGT3 = "3"
if WindHeightLevel4GRIB == "yes" and strUandV == "yes":
UWHGT4 = "u"
VWHGT4 = "v"
LWHGT4 = "4"
if WindHeightLevel5GRIB == "yes" and strUandV == "yes":
UWHGT5 = "u"
VWHGT5 = "v"
LWHGT5 = "5"
if WindHeightLevel6GRIB == "yes" and strUandV == "yes":
UWHGT6 = "u"
VWHGT6 = "v"
LWHGT6 = "6"
if WindHeightLevel7GRIB == "yes" and strUandV == "yes":
UWHGT7 = "u"
VWHGT7 = "v"
LWHGT7 = "7"
if WindHeightLevel8GRIB == "yes" and strUandV == "yes":
UWHGT8 = "u"
VWHGT8 = "v"
LWHGT8 = "8"
if WindHeightLevel9GRIB == "yes" and strUandV == "yes":
UWHGT9 = "u"
VWHGT9 = "v"
LWHGT9 = "9"
if WindHeightLevel10GRIB == "yes" and strUandV == "yes":
UWHGT10 = "u"
VWHGT10 = "v"
LWHGT10 = "10"
if WindHeightLevel11GRIB == "yes" and strUandV == "yes":
UWHGT11 = "u"
VWHGT11 = "v"
LWHGT11 = "11"
if WindHeightLevel12GRIB == "yes" and strUandV == "yes":
UWHGT12 = "u"
VWHGT12 = "v"
LWHGT12 = "12"
# TEMPERATURE**************************************************************
if TemperatureHeightLevel1GRIB == "yes" and strTMP == "yes":
THGT1 = "t"
LTHGT1 = "1"
if TemperatureHeightLevel2GRIB == "yes" and strTMP == "yes":
THGT2 = "t"
LTHGT2 = "2"
if TemperatureHeightLevel3GRIB == "yes" and strTMP == "yes":
THGT3 = "t"
LTHGT3 = "3"
if TemperatureHeightLevel4GRIB == "yes" and strTMP == "yes":
THGT4 = "t"
LTHGT4 = "4"
if TemperatureHeightLevel5GRIB == "yes" and strTMP == "yes":
THGT5 = "t"
LTHGT5 = "5"
if TemperatureHeightLevel6GRIB == "yes" and strTMP == "yes":
THGT6 = "t"
LTHGT6 = "6"
if TemperatureHeightLevel7GRIB == "yes" and strTMP == "yes":
THGT7 = "t"
LTHGT7 = "7"
if TemperatureHeightLevel8GRIB == "yes" and strTMP == "yes":
THGT8 = "t"
LTHGT8 = "8"
if TemperatureHeightLevel9GRIB == "yes" and strTMP == "yes":
THGT9 = "t"
LTHGT9 = "9"
if TemperatureHeightLevel10GRIB == "yes" and strTMP == "yes":
THGT10 = "t"
LTHGT10 = "10"
if TemperatureHeightLevel11GRIB == "yes" and strTMP == "yes":
THGT11 = "t"
LTHGT11 = "11"
if TemperatureHeightLevel12GRIB == "yes" and strTMP == "yes":
THGT12 = "t"
LTHGT12 = "12"
# TKE**************************************************************
if TKEHeightLevel1GRIB == "yes" and strTKE == "yes":
TKEHGT1 = "tke"
LTKEHGT1 = "1"
if TKEHeightLevel2GRIB == "yes" and strTKE == "yes":
TKEHGT2 = "tke"
LTKEHGT2 = "2"
if TKEHeightLevel3GRIB == "yes" and strTKE == "yes":
TKEHGT3 = "tke"
LTKEHGT3 = "3"
if TKEHeightLevel4GRIB == "yes" and strTKE == "yes":
TKEHGT4 = "tke"
LTKEHGT4 = "4"
if TKEHeightLevel5GRIB == "yes" and strTKE == "yes":
TKEHGT5 = "tke"
LTKEHGT5 = "5"
if TKEHeightLevel6GRIB == "yes" and strTKE == "yes":
TKEHGT6 = "tke"
LTKEHGT6 = "6"
if TKEHeightLevel7GRIB == "yes" and strTKE == "yes":
TKEHGT7 = "tke"
LTKEHGT7 = "7"
if TKEHeightLevel8GRIB == "yes" and strTKE == "yes":
TKEHGT8 = "tke"
LTKEHGT8 = "8"
if TKEHeightLevel9GRIB == "yes" and strTKE == "yes":
TKEHGT9 = "tke"
LTKEHGT9 = "9"
if TKEHeightLevel10GRIB == "yes" and strTKE == "yes":
TKEHGT10 = "tke"
LTKEHGT10 = "10"
if TKEHeightLevel11GRIB == "yes" and strTKE == "yes":
TKEHGT11 = "tke"
LTKEHGT11 = "11"
if TKEHeightLevel12GRIB == "yes" and strTKE == "yes":
TKEHGT12 = "tke"
LTKEHGT12 = "12"
# Pressure**************************************************************
if PRESHeightLevel1GRIB == "yes" and strPRES == "yes":
PRESHGT1 = "pres"
LPRESHGT1 = "1"
if PRESHeightLevel2GRIB == "yes" and strPRES == "yes":
PRESHGT2 = "pres"
LPRESHGT2 = "2"
if PRESHeightLevel3GRIB == "yes" and strPRES == "yes":
PRESHGT3 = "pres"
LPRESHGT3 = "3"
if PRESHeightLevel4GRIB == "yes" and strPRES == "yes":
PRESHGT4 = "pres"
LPRESHGT4 = "4"
if PRESHeightLevel5GRIB == "yes" and strPRES == "yes":
PRESHGT5 = "pres"
LPRESHGT5 = "5"
if PRESHeightLevel6GRIB == "yes" and strPRES == "yes":
PRESHGT6 = "pres"
LPRESHGT6 = "6"
if PRESHeightLevel7GRIB == "yes" and strPRES == "yes":
PRESHGT7 = "pres"
LPRESHGT7 = "7"
if PRESHeightLevel8GRIB == "yes" and strPRES == "yes":
PRESHGT8 = "pres"
LPRESHGT8 = "8"
if PRESHeightLevel9GRIB == "yes" and strPRES == "yes":
PRESHGT9 = "pres"
LPRESHGT9 = "9"
if PRESHeightLevel10GRIB == "yes" and strPRES == "yes":
PRESHGT10 = "pres"
LPRESHGT10 = "10"
if PRESHeightLevel11GRIB == "yes" and strPRES == "yes":
PRESHGT11 = "pres"
LPRESHGT11 = "11"
if PRESHeightLevel12GRIB == "yes" and strPRES == "yes":
PRESHGT12 = "pres"
LPRESHGT12 = "12"
# Specific Humidity**************************************************************
if SPFHHeightLevel1GRIB == "yes" and strSPFH == "yes":
SPFHHGT1 = "q"
LSPFHHGT1 = "1"
if SPFHHeightLevel2GRIB == "yes" and strSPFH == "yes":
SPFHHGT2 = "q"
LSPFHHGT2 = "2"
if SPFHHeightLevel3GRIB == "yes" and strSPFH == "yes":
SPFHHGT3 = "q"
LSPFHHGT3 = "3"
if SPFHHeightLevel4GRIB == "yes" and strSPFH == "yes":
SPFHHGT4 = "q"
LSPFHHGT4 = "4"
if SPFHHeightLevel5GRIB == "yes" and strSPFH == "yes":
SPFHHGT5 = "q"
LSPFHHGT5 = "5"
if SPFHHeightLevel6GRIB == "yes" and strSPFH == "yes":
SPFHHGT6 = "q"
LSPFHHGT6 = "6"
if SPFHHeightLevel7GRIB == "yes" and strSPFH == "yes":
SPFHHGT7 = "q"
LSPFHHGT7 = "7"
if SPFHHeightLevel8GRIB == "yes" and strSPFH == "yes":
SPFHHGT8 = "q"
LSPFHHGT8 = "8"
if SPFHHeightLevel9GRIB == "yes" and strSPFH == "yes":
SPFHHGT9 = "q"
LSPFHHGT9 = "9"
if SPFHHeightLevel10GRIB == "yes" and strSPFH == "yes":
SPFHHGT10 = "q"
LSPFHHGT10 = "10"
if SPFHHeightLevel11GRIB == "yes" and strSPFH == "yes":
SPFHHGT11 = "q"
LSPFHHGT11 = "11"
if SPFHHeightLevel12GRIB == "yes" and strSPFH == "yes":
SPFHHGT12 = "q"
LSPFHHGT12 = "12"
# Now we are trying to add the requested stuff to the dictionary.
# The key should be the shortName and the value should be the level.
if BoundaryLayerHeightGRIB == "yes":
key1 = BLH
value1 = LBLH
if key1 not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key1] = []
Dictionary_for_GRIB[key1].append(value1)
if strUandV == "yes":
wind_height_levels = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]
for level in wind_height_levels:
if eval(f"WindHeightLevel{level}GRIB") == "yes":
key_u = eval(f"UWHGT{level}")
key_v = eval(f"VWHGT{level}")
value = eval(f"LWHGT{level}")
for key in (key_u, key_v):
if key not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key] = []
Dictionary_for_GRIB[key].append(value)
if strTMP == "yes":
temp_height_levels = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]
for level in temp_height_levels:
if eval(f"TemperatureHeightLevel{level}GRIB") == "yes":
key_t = eval(f"THGT{level}")
value = eval(f"LTHGT{level}")
for key in (key_t):
if key not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key] = []
Dictionary_for_GRIB[key].append(value)
if strSPFH == "yes":
specific_humidity_height_levels = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]
for level in specific_humidity_height_levels:
if eval(f"SPFHHeightLevel{level}GRIB") == "yes":
key_q = eval(f"SPFHHGT{level}")
value = eval(f"LSPFHHGT{level}")
for key in (key_q):
if key not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key] = []
Dictionary_for_GRIB[key].append(value)
if strTKE == "yes":
TKE_height_levels = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]
for level in TKE_height_levels:
if eval(f"TKEHeightLevel{level}GRIB") == "yes":
key_tke = eval(f"TKEHGT{level}")
value = eval(f"LTKEHGT{level}")
for key in [key_tke]: # Note the [] instead of the ()
if key not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key] = []
Dictionary_for_GRIB[key].append(value)
if strPRES == "yes":
PRES_height_levels = ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"]
for level in PRES_height_levels:
if eval(f"PRESHeightLevel{level}GRIB") == "yes":
key_pres = eval(f"PRESHGT{level}")
value = eval(f"LPRESHGT{level}")
for key in [key_pres]: # Note the [] instead of the ()
if key not in Dictionary_for_GRIB:
Dictionary_for_GRIB[key] = []
Dictionary_for_GRIB[key].append(value)
# Now we are making 2 lists that populate based on the dictionary created.
GRIB_shortName = []
GRIB_level = []
for key, values in Dictionary_for_GRIB.items():
if values:
for value in values:
GRIB_shortName.append(key)
GRIB_level.append(value)
# print(f'GRIB_shortName: {GRIB_shortName}, GRIB_level: {GRIB_level}')
print("")
print("")
print(f'GRIB shortName list requested: {GRIB_shortName}')
print(f'GRIB level list requested: {GRIB_level}')
print("")
print("")
return GRIB_shortName, GRIB_level
# Function not currently used.
def file_identifier(all_files):
GRIB_files = []
missing_files = []
for file_name in all_files:
if "missing_file" in file_name:
missing_files.append(file_name)
else:
GRIB_files.append(file_name)
print(file_name)
return GRIB_files, missing_files
def dict_constructor():
build_dict = {}
return build_dict
# The code for this function is somewhat messy, but it functions as intended.
# If future improvements are planned, it would be advisable to explore alternative approaches.
def extract_value_at_grid_index(all_files, grid_cell_data, GRIB_shortName, GRIB_level, extracted_time_values, build_dict):
"""
Extracts values at a given grid index from GRIB files and populates a dictionary.
Args:
all_files (list): List of file paths.
grid_cell_data (list): List of grid indices.
GRIB_shortName (list): List of GRIB shorNames.
GRIB_level (list): List of GRIB levels.
extracted_time_values (list): List of (time, data_date) tuples.
build_dict (dict): Dictionary to store extracted data.
Returns:
dict: The populated dictionary.
"""
VERBOSE = 1 # verbose error reporting
skip_file_path = "missing_file" # This is used to handle "fake" (non-binary) GRIB files.
GRIB_level_str = GRIB_level
GRIB_level_int = []
for item in GRIB_level_str:
try:
integer_value = int(item)
GRIB_level_int.append(integer_value)
except ValueError:
print(f"Unable to convert {item} to an integer")
for idx, file_path in enumerate(all_files):
time, data_date = extracted_time_values[idx] # Access time and data_date from the extracted_time_values list
if skip_file_path in file_path:
for shortName, level in zip(GRIB_shortName, GRIB_level_int):
if (shortName, level) not in build_dict:
build_dict[(shortName, level)] = []
# Assign a string of "missing" without processing the file
build_dict[(shortName, level)].append((file_path, level, shortName, str("missing"), time, data_date))
else:
f = open(file_path, 'rb')
keys = [
'level',
'shortName',
]
grid_index = grid_cell_data[idx] # Get the grid_index for the current file
for shortName, level in zip(GRIB_shortName, GRIB_level_int):
try:
info_found = False # Flag to track whether the tuple was found in the GRIB file.
f.seek(0) # Reset the file pointer to the beginning
while 1:
gid = codes_grib_new_from_file(f)
if gid is None:
break
if (shortName, level) not in build_dict:
build_dict[(shortName, level)] = []
if (codes_get(gid, 'level') == int(level) and
codes_get(gid, 'shortName') == shortName):
values = codes_get_array(gid, 'values') # Get the values as a list
if grid_index >= 0 and grid_index < len(values):
value_at_index = values[grid_index]
if (file_path, level, shortName, value_at_index, time, data_date) not in build_dict[(shortName, level)]:
build_dict[(shortName, level)].append((file_path, level, shortName, value_at_index, time, data_date))
print(f'File: {file_path} Date: {data_date} Time: {time} Variable: {shortName} Level: {level} Value: {value_at_index}')
info_found = True # Flag to track whether the tuple was found in the GRIB file.
codes_release(gid)
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + '\n')
if not info_found:
value_at_index = -9999.999
if (file_path, level, shortName, value_at_index, time, data_date) not in build_dict[(shortName, level)]:
build_dict[(shortName, level)].append((file_path, level, shortName, value_at_index, time, data_date))
f.close()
extracted_values_dict = build_dict
return extracted_values_dict
def extract_time_info_from_grib_files(all_files):
VERBOSE = 1 # verbose error reporting
skip_file_path = "missing_file"
extracted_time_values = []
for file_path in all_files:
if skip_file_path in file_path:
time = str("Not_Available")
data_date = str("Not_Available")
else:
try:
f = open(file_path, 'rb')
gid = codes_grib_new_from_file(f)
time = codes_get(gid, 'time')
data_date = codes_get(gid, 'dataDate')
codes_release(gid)
f.close()
except CodesInternalError as err:
if VERBOSE:
traceback.print_exc(file=sys.stderr)
else:
sys.stderr.write(err.msg + '\n')
extracted_time_values.append((time, data_date))
print(f"File: {file_path} --> The date is: {data_date} --> The time is: {time}")
return extracted_time_values