37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
# Reads the USB VID and PID from the file specifed by sys.arg[1] and then
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# inserts those values into the template file specified by sys.argv[2],
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# printing the result to stdout
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from __future__ import print_function
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import sys
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import re
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import string
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def parse_usb_ids(filename):
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rv = dict()
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if filename == 'usbd_desc.c':
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for line in open(filename).readlines():
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line = line.rstrip('\r\n')
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match = re.match('^#define\s+(\w+)\s+0x([0-9A-Fa-f]+)$', line)
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if match:
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if match.group(1) == 'USBD_VID':
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rv['USB_VID'] = match.group(2)
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elif match.group(1) == 'USBD_PID':
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rv['USB_PID'] = match.group(2)
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if 'USB_VID' in rv and 'USB_PID' in rv:
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break
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else:
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raise Exception("Don't (yet) know how to parse USB IDs from %s" % filename)
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for k in ('USB_PID', 'USB_VID'):
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if k not in rv:
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raise Exception("Unable to parse %s from %s" % (k, filename))
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return rv
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if __name__ == "__main__":
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usb_ids_file = sys.argv[1]
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template_file = sys.argv[2]
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replacements = parse_usb_ids(usb_ids_file)
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for line in open(template_file, 'r').readlines():
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print(string.Template(line).safe_substitute(replacements), end='')
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