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genSingleFile.py
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genSingleFile.py
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import os
print("Type the directory where all GCOS data is in.")
# gcosDataDir = input()
gcosDataDir = "gcos-data"
stationdata = []
stationsFound = 0
"""
Station Array Structure:
0: Station name
1: Latitude
2: Longitude
3: Temp avg
4: Jan temp avg
5: Feb temp avg
...
15: Dec temp avg
16: precipitation total (mm)
17: avg jan prec
18: avg feb prec
...
28: avg dec prec
"""
for (dir_path, dir_names, file_names) in os.walk(gcosDataDir):
for filename in file_names:
if (filename.split(".")[1] == "TXT"):
station = ["null"] * 29
finishedLine = ""
parsedInputs = 0
fullpath = os.path.join(dir_path, filename)
file = open(fullpath, 'r')
alllines = file.readlines()
file.close()
for i, whyDoesThisVarExist in enumerate(alllines):
stripline = alllines[i].strip()
headersplit = stripline.split(": ")
if (len(headersplit) == 2):
match (headersplit[0]):
case "Station Name":
station[0] = headersplit[1]
case "Latitude":
splitlat = headersplit[1].split()
latArray = [1] * 3
for j in splitlat:
if (j.endswith('d')):
num = float(j.split('d')[0])
latArray[1] = num
elif (j.endswith('m')):
num = float(j.split('m')[0])
latArray[2] = num / 60
elif (j == "S"):
latArray[0] = -1
latitude = latArray[0] * (latArray[1] + latArray[2])
latitude = str(latitude)
station[1] = latitude
case "Longitude":
splitlon = headersplit[1].split()
lonArray = [1] * 3
for j in splitlon:
if (j.endswith('d')):
num = float(j.split('d')[0])
lonArray[1] = num
elif (j.endswith('m')):
num = float(j.split('m')[0])
lonArray[2] = num / 60
elif (j == "W"):
lonArray[0] = -1
longitude = lonArray[0] * (lonArray[1] + lonArray[2])
longitude = str(longitude)
station[2] = longitude
case "Element 01":
tablelines = []
tablelinecount = 0
for j, whyDoesThisVarExist in enumerate(alllines):
if (j > i and tablelinecount < 3):
striptableline = alllines[j].strip()
if (striptableline.startswith("---")):
tablelinecount += 1
else:
splitvalues = striptableline.split()
if (len(splitvalues) >= 2):
match (splitvalues[0]):
case "Annual":
if (splitvalues[1] != "NA"):
station[3] = splitvalues[1]
case "Ann-NCDC":
if (splitvalues[1] != "NA"):
station[3] = splitvalues[1]
case "Jan":
station[4] = splitvalues[1]
case "Feb":
station[5] = splitvalues[1]
case "Mar":
station[6] = splitvalues[1]
case "Apr":
station[7] = splitvalues[1]
case "May":
station[8] = splitvalues[1]
case "Jun":
station[9] = splitvalues[1]
case "Jul":
station[10] = splitvalues[1]
case "Aug":
station[11] = splitvalues[1]
case "Sep":
station[12] = splitvalues[1]
case "Oct":
station[13] = splitvalues[1]
case "Nov":
station[14] = splitvalues[1]
case "Dec":
station[15] = splitvalues[1]
elif (tablelinecount >= 3):
break
case "Element 06":
tablelines = []
tablelinecount = 0
precipIndex = 1
for j, jValue in enumerate(alllines):
if (j > i and tablelinecount < 3):
striptableline = alllines[j].strip()
if (striptableline.startswith("---")):
tablelinecount += 1
else:
splitvalues = striptableline.split()
if (len(splitvalues) >= 2):
match (splitvalues[0]):
case "Statistic:":
for k, kValue in enumerate(splitvalues):
if (kValue == "MEANMLY"):
precipIndex = k
case "Annual":
if (splitvalues[1] != "NA"):
station[16] = splitvalues[precipIndex]
case "Ann-NCDC":
if (splitvalues[1] != "NA"):
station[16] = splitvalues[precipIndex]
case "Jan":
station[17] = splitvalues[precipIndex]
case "Feb":
station[18] = splitvalues[precipIndex]
case "Mar":
station[19] = splitvalues[precipIndex]
case "Apr":
station[20] = splitvalues[precipIndex]
case "May":
station[21] = splitvalues[precipIndex]
case "Jun":
station[22] = splitvalues[precipIndex]
case "Jul":
station[23] = splitvalues[precipIndex]
case "Aug":
station[24] = splitvalues[precipIndex]
case "Sep":
station[25] = splitvalues[precipIndex]
case "Oct":
station[26] = splitvalues[precipIndex]
case "Nov":
station[27] = splitvalues[precipIndex]
case "Dec":
station[28] = splitvalues[precipIndex]
elif (tablelinecount >= 3):
break
stationdata.append(station)
writefile = open("extracted-data.csv", "w")
for station in stationdata:
canWrite = True
for index, value in enumerate(station):
if (value == "null" or value == "NA"):
canWrite = False
break
elif (value == "Trace"):
station[index] = "0"
if (canWrite):
stationsFound += 1
for index, data in enumerate(station):
station[index] = data.strip()
writefile.write(station[index])
if (index != len(station) - 1):
writefile.write(",")
writefile.write("\n")
writefile.close()
print(f"Found {stationsFound} stations!")
os.system('python3 genSingleFileFromCSVs.py')