Created
July 13, 2022 16:16
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Generate a .bat file to use for invoking a Python script
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@echo off | |
cls | |
if %1. == . goto error | |
if not %2. == . goto error | |
python "%~dp0/create_bat_wrapper.py" %1 | |
goto exit | |
:error | |
echo Drop exactly one file onto my icon. | |
:exit | |
echo; | |
pause > nul | set /p =Press any key to exit... |
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import sys | |
import os | |
# A batch file can have at most nine arguments. | |
numwords = [ | |
'zero', 'one', 'two', 'three', 'four', | |
'five', 'six', 'seven', 'eight', 'nine'] | |
py_name = sys.argv[1] | |
root, ext = os.path.splitext(py_name) | |
if ext not in {'.py', '.pyw'}: | |
sys.exit("Input file doesn't look a Python script; aborting.") | |
bat_name = root + '.bat' | |
while True: | |
try: | |
args = int(input('How many arguments? ')) | |
if args in range(10): | |
break | |
except ValueError: | |
pass | |
print('> Must be an integer between 0 and 9.') | |
path_spec = None | |
while path_spec not in {'a', 'abs', 'absolute', 'r', 'rel', 'relative'}: | |
path_spec = input('Absolute or relative script directory? ').lower() | |
script_name = { | |
'a': py_name, | |
'r': os.path.join('%~dp0', os.path.basename(py_name)) | |
}[path_spec[0]] | |
print(f'> Script will be specified as: "{script_name}"') | |
with open(bat_name, 'w') as f: | |
f.write('@echo off\ncls\n') | |
for i in range(args): | |
f.write(f"if %{i + 1}. == . goto error\n") # argument cannot be empty | |
f.write(f"if not %{args + 1}. == . goto error\n") # cannot pass extra arguments | |
f.write(f'\npython "{script_name}"') | |
for i in range(args): | |
f.write(f" %{i + 1}") | |
f.write('\ngoto exit\n') | |
f.write(f"\n:error\necho Drop exactly {numwords[args]} ") | |
f.write(('file' if args == 1 else 'files') + ' onto my icon.\n') | |
f.write('\n:exit\necho;\npause > nul | set /p =Press any key to exit...\n') | |
print('Done.') |
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