Download buoy-python/StandardizeAndClean.py from Qdrant/NOAA-Buoy: direct link, hf CLI and curl.
- Browser
- Download file 6.93 kB
-
https://huggingface.co/datasets/Qdrant/NOAA-Buoy/resolve/main/buoy-python/StandardizeAndClean.py
- Command line
-
hf download hf://datasets/Qdrant/NOAA-Buoy/buoy-python/StandardizeAndClean.py
-
curl -L -o StandardizeAndClean.py https://huggingface.co/datasets/Qdrant/NOAA-Buoy/resolve/main/buoy-python/StandardizeAndClean.py
6.93 kB
| import csv | |
| import time | |
| from time import strptime | |
| from datetime import datetime | |
| from pathlib import Path | |
| # UGLY - the non 2023 functions should be more generic given a certain start location - that way we don't have to repeat | |
| # logic | |
| # Function for Years | |
| YEARS_LOCATION = "../orig_downloads/csv" | |
| LOCATION_2023 = "../orig_downloads/2023/csv" | |
| YEARS_PATH = Path(YEARS_LOCATION) | |
| YEARS_PATH_2023 = Path(LOCATION_2023) | |
| FINAL_BIG_FILE = "../full_years_remove_flawed_rows.csv" | |
| FINAL_BIG_FILE_2023 = "../full_2023_remove_flawed_rows.csv" | |
| HEADER = "#YY,MM,DD,hh,mm,WDIR,WSPD,GST,WVHT,DPD,APD,MWD,PRES,ATMP,WTMP,DEWP,VIS,TIDE\n" | |
| FINAL_HEADER = ["TSTMP", "#YY","MM","DD", "hh","mm","WDIR","WSPD","GST","WVHT","DPD","APD","MWD","PRES","ATMP","WTMP"] | |
| # Deal with the difference between files and get them standardized | |
| def standardize(): | |
| for read_path in YEARS_PATH.rglob('*.csv'): | |
| out_file_name = "fixed_" + read_path.name | |
| write_path = str(read_path).replace(read_path.name, out_file_name) | |
| with open(read_path, newline='') as read_file, open(write_path, 'w', newline='\n') as write_file: | |
| year = read_path.name[6:10] | |
| year = int(year) | |
| if year <= 2006: | |
| # First write the new header line | |
| read_file.readline() | |
| write_file.write(HEADER) | |
| for line in read_file: | |
| line = line.strip() | |
| if line[len(line)-1] == ",": | |
| line_array = line[:-1].split(',') | |
| else: | |
| line_array = line.split(',') | |
| # pre 1999 we need to make the year 4 digits | |
| if year <= 1998: | |
| line_array[0] = "19" + (line_array[0]) | |
| # Add tide with a value of 99.00 for all years pre 2000 | |
| if year < 2000: | |
| line_array.append('99.0') | |
| # Add 0 in for mm pre 2005 (header and values) | |
| if year < 2005: | |
| line_array.insert(4, '0') | |
| # Changes are done, write the line | |
| write_file.write(','.join(line_array) + "\n") | |
| if year > 2006: | |
| # Remove second header line from 2007 onwards | |
| read_file.readline() | |
| read_file.readline() | |
| # Add the first line back and just write the rest of the lines | |
| write_file.write(HEADER) | |
| for line in read_file: | |
| line = line.strip() | |
| if line[len(line)-1] == ",": | |
| line = line[0:-1] | |
| write_file.write(line + "\n") | |
| # Now remove the columns we don't want and erase rows with a lot of missing values in columns we care about | |
| def winnow_down(big_file_name, read_location): | |
| # need to be become missing data | |
| nine9_0 = {"WVHT", "WSPD", "GST", "DPD", "APD"} | |
| nine99_0 = {"ATMP", "WTMP"} | |
| nine99 = {"WDIR", "MWD"} | |
| if_all_missing = {"DPD","APD"} | |
| remove_me = {"DEWP", "VIS", "TIDE"} | |
| # Set up the file to write to | |
| with open(big_file_name, 'w', newline='') as file: | |
| fieldnames = FINAL_HEADER | |
| output_csvfile = csv.DictWriter(file, fieldnames=fieldnames) | |
| output_csvfile.writeheader() | |
| for read_path in read_location.rglob('fixed_*.csv'): | |
| print(read_path) | |
| with open(read_path, newline='') as csv_file: | |
| csv_reader = csv.DictReader(csv_file) | |
| # row is not an ordered dict | |
| for row in csv_reader: | |
| # Check to see if we are missing key data - if so delete the row and move along | |
| delete_row = 0.0 | |
| if row["WSPD"] == "99.0": | |
| delete_row = delete_row + 1.0 | |
| if row["WVHT"] == "99.0" or row["WVHT"] == "99.00": | |
| delete_row = delete_row + 1.0 | |
| if row["WTMP"] == "999.0": | |
| delete_row = delete_row + 1.0 | |
| # if DPD and APD are missing along with any of the above then we remove | |
| for key in if_all_missing: | |
| if row[key] == "99.0" or row[key] == "99.00": | |
| delete_row = delete_row + 0.5 | |
| if delete_row >= 2.0: | |
| # Two strikes you are out and we go on to the next row | |
| continue | |
| # Remove observations at least 2 of these columns with null values in wspd (99.0) wvht (99.0) and wtmp (999.0) | |
| # WD MWD = 999, GST DPD APD = 99.0, PRES = 9999.0, ATMP WTMP = 999.0 | |
| # For those left we need to convert these to missing(just a blank) | |
| for key in nine99: | |
| if row[key] == '999': | |
| row[key] = '' | |
| for key in nine9_0: | |
| if row[key] == '99.0' or row[key] == '99.00': | |
| row[key] = '' | |
| for key in nine99_0: | |
| if row[key] == '999.0': | |
| row[key] = '' | |
| if row["PRES"] == '9999.0': | |
| row["PRES"] = '' | |
| # remove columns DEMP, VIS, TIDE | |
| for key in remove_me: | |
| del row[key] | |
| # Finally we need to convert Y, M, D, m into a timestamp and that will be the key | |
| # Buoy 42002 is in Lousiana, UTC -5 | |
| timestamp_string = row["#YY"] + "-" + row["MM"] + "-" + row["DD"] + " " + row["hh"] + ":" + row["mm"] + "-" + "-0500" | |
| row["TSTMP"] = datetime.strptime(timestamp_string, "%Y-%m-%d %H:%M-%z") | |
| # Ok we are ready to write a new row to our database | |
| output_csvfile.writerow(row) | |
| # Function for 2023 | |
| def standardize2023(): | |
| for read_path in YEARS_PATH_2023.rglob('*.csv'): | |
| out_file_name = "fixed_" + read_path.name | |
| write_path = str(read_path).replace(read_path.name, out_file_name) | |
| with open(read_path, newline='') as read_file, open(write_path, 'w', newline='\n') as write_file: | |
| # Remove second header line from 2007 onwards | |
| read_file.readline() | |
| read_file.readline() | |
| # Add the first line back and just write the rest of the lines | |
| write_file.write(HEADER) | |
| for line in read_file: | |
| line = line.strip() | |
| if line[len(line)-1] == ",": | |
| line = line[0:-1] | |
| write_file.write(line + "\n") | |
| if __name__ == '__main__': | |
| print("start") | |
| #standardize() | |
| winnow_down(FINAL_BIG_FILE, YEARS_PATH) | |
| #standardize2023() | |
| winnow_down(FINAL_BIG_FILE_2023, YEARS_PATH_2023) | |
| print("finished") |