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When trying the non-authoritative Python script to generate the measurements file at src/main/python/create_measurements.py.
PS C:\hiram_msft\1brc> & C:/Users/hiramfleitas/AppData/Local/Microsoft/WindowsApps/python3.11.exe c:/hiram_msft/1brc/src/main/python/create_measurements.py 1_000_000_000
Traceback (most recent call last):
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 160, in <module>
main()
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 153, in main
weather_station_names = build_weather_station_name_list()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 45, in build_weather_station_name_list
with open('../../../data/weather_stations.csv', 'r') as file:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '../../../data/weather_stations.csv'
I copied the data folder & its contents to the root of the C:\ drive to retry but yet fails due to charmap error.
PS C:\hiram_msft\1brc> & C:/Users/hiramfleitas/AppData/Local/Microsoft/WindowsApps/python3.11.exe c:/hiram_msft/1brc/src/main/python/create_measurements.py 1_000_000_000
Traceback (most recent call last):
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 160, in <module>
main()
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 153, in main
weather_station_names = build_weather_station_name_list()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "c:\hiram_msft\1brc\src\main\python\create_measurements.py", line 46, in build_weather_station_name_list
file_contents = file.read()
^^^^^^^^^^^
File "C:\Program Files\WindowsApps\PythonSoftwareFoundation.Python.3.11_3.11.1776.0_x64__qbz5n2kfra8p0\Lib\encodings\cp1252.py", line 23, in decode
return codecs.charmap_decode(input,self.errors,decoding_table)[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 398: character maps to <undefined>
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