trezor-firmware/tools/res_collect

#!/usr/bin/env python3
import os
import io

resources = {}
resources_size = 0

os.chdir(os.path.dirname(__file__))
os.chdir("../src/")


def process_file(name):
    if name.endswith(".gitignore"):
        return
    if name.endswith(".py"):
        return
    if os.path.basename(name).startswith("."):
        return
    with open(name, "rb") as f:
        data = f.read()
        resources[name] = data
        print("processing file %s (%d bytes)" % (name, len(data)))
        global resources_size
        resources_size += len(data)


def process_dir_rec(dir):
    for name in os.listdir(dir):
        path = os.path.join(dir, name)
        if os.path.isfile(path):
            process_file(path)
        elif os.path.isdir(path):
            process_dir_rec(path)


process_dir_rec("trezor/res/")
for name in os.listdir("apps/"):
    path = os.path.join("apps/", name, "res/")
    if os.path.isdir(path):
        process_dir_rec(path)

resfile = "trezor/res/resources.py"

bio = io.StringIO()
bio.write("# fmt: off\n")
bio.write("resdata = {\n")
for k in sorted(resources.keys()):
    bio.write("    '%s': %s,\n" % (k, resources[k]))
bio.write("}\n")

try:
    with open(resfile, "r") as f:
        stale = f.read()
except FileNotFoundError:
    stale = None

fresh = bio.getvalue()

if stale != fresh:
    with open(resfile, "wt") as f:
        f.write(fresh)
    print(
        "written %s with %d entries (total %d bytes)"
        % (resfile, len(resources), resources_size)
    )
else:
    print("continuing with %s, no changes detected" % (resfile))