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insert-usb-ids.py

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# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)

#

# SPDX-License-Identifier: MIT

# 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

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="")