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 parse-bytecode

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make-frozen.py

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#!/usr/bin/env python

#

# Create frozen modules structure for MicroPython.

#

# Usage:

#

# Have a directory with modules to be frozen (only modules, not packages

# supported so far):

#

# frozen/foo.py

# frozen/bar.py

#

# Run script, passing path to the directory above:

#

# ./make-frozen.py frozen > frozen.c

#

# Include frozen.c in your build, having defined MICROPY_MODULE_FROZEN in

# config.

#

from __future__ import print_function

import sys

import os

def module_name(f):

return f[:-len(".py")]

modules = []

root = sys.argv[1].rstrip("/")

root_len = len(root)

for dirpath, dirnames, filenames in os.walk(root):

for f in filenames:

fullpath = dirpath + "/" + f

st = os.stat(fullpath)

modules.append((fullpath[root_len + 1:], st))

print("#include <stdint.h>")

print("const char mp_frozen_names[] = {")

for f, st in modules:

m = module_name(f)

print('"%s\\0"' % m)

print('"\\0"};')

print("const uint32_t mp_frozen_sizes[] = {")

for f, st in modules:

print("%d," % st.st_size)

print("};")

print("const char mp_frozen_content[] = {")

for f, st in modules:

data = open(sys.argv[1] + "/" + f, "rb").read()

# Python2 vs Python3 tricks

data = repr(data)

if data[0] == "b":

data = data[1:]

data = data[1:-1]

data = data.replace('"', '\\"')

print('"%s\\0"' % data)

print("};")