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micropython/tools/insert-usb-ids.py
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# Reads the USB VID and PID from the file specified by sys.argv[1] and then | |
# inserts those values into the template file specified by sys.argv[2], | |
# printing the result to stdout | |
from __future__ import print_function | |
import sys | |
import re | |
import string | |
config_prefix = "MICROPY_HW_USB_" | |
needed_keys = ("USB_PID_CDC_MSC", "USB_PID_CDC_HID", "USB_PID_CDC", "USB_VID") | |
def parse_usb_ids(filename): | |
rv = dict() | |
for line in open(filename).readlines(): | |
line = line.rstrip("\r\n") | |
match = re.match(r"^#define\s+(\w+)\s+\(0x([0-9A-Fa-f]+)\)$", line) | |
if match and match.group(1).startswith(config_prefix): | |
key = match.group(1).replace(config_prefix, "USB_") | |
val = match.group(2) | |
# print("key =", key, "val =", val) | |
if key in needed_keys: | |
rv[key] = val | |
for k in needed_keys: | |
if k not in rv: | |
raise Exception("Unable to parse %s from %s" % (k, filename)) | |
return rv | |
if __name__ == "__main__": | |
usb_ids_file = sys.argv[1] | |
template_file = sys.argv[2] | |
replacements = parse_usb_ids(usb_ids_file) | |
for line in open(template_file, "r").readlines(): | |
print(string.Template(line).safe_substitute(replacements), end="") |