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#!/usr/bin/env python3
import os
import tempfile
import shutil
import subprocess
import argparse
import re
def parse_version(version_string):
match = re.fullmatch(r'v(\d+)\.(\d+)\.(\d+)', version_string)
if not match:
raise ValueError("Invalid version string")
return match.group(1), match.group(2), match.group(3)
argument_parser = argparse.ArgumentParser(
description="Helper to import libcbor as external dependency.")
argument_parser.add_argument("--version",
required=True, help="Version string to import")
args = argument_parser.parse_args()
major_version, minor_version, patch_version = parse_version(args.version)
GENERATED_NOTES = """/**
* DO NOT DIRECTLY MODIFY THIS FILE:
*
* The code in this file is generated from scripts/import_libcbor.py
* and any modifications should be in there.
*/
"""
CBOR_EXPORT_H = """
#ifndef CBOR_EXPORT_H
#define CBOR_EXPORT_H
/* Don't export anything from libcbor */
#define CBOR_EXPORT
#endif /* CBOR_EXPORT_H */
"""
CONFIGURATION_H = f"""
#ifndef LIBCBOR_CONFIGURATION_H
#define LIBCBOR_CONFIGURATION_H
#define CBOR_MAJOR_VERSION {major_version}
#define CBOR_MINOR_VERSION {minor_version}
#define CBOR_PATCH_VERSION {patch_version}
#define CBOR_BUFFER_GROWTH 2
#define CBOR_MAX_STACK_SIZE 2048
#define CBOR_PRETTY_PRINTER 1
#if defined(_MSC_VER)
# define CBOR_RESTRICT_SPECIFIER
#else
# define CBOR_RESTRICT_SPECIFIER restrict
#endif
#define CBOR_INLINE_SPECIFIER
/* Ignore the compiler warnings for libcbor. */
#ifdef _MSC_VER
# pragma warning(disable : 4028)
# pragma warning(disable : 4189)
# pragma warning(disable : 4715)
# pragma warning(disable : 4232)
# pragma warning(disable : 4068)
# pragma warning(disable : 4244)
# pragma warning(disable : 4701)
# pragma warning(disable : 4703)
#endif
#ifdef __clang__
# pragma clang diagnostic ignored "-Wreturn-type"
#elif defined(__GNUC__)
# pragma GCC diagnostic ignored "-Wreturn-type"
# pragma GCC diagnostic ignored "-Wunknown-pragmas"
# pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
#endif
#endif // LIBCBOR_CONFIGURATION_H
"""
# Create a temporary directory for cloning the repository
temp_repo_dir = tempfile.mkdtemp()
try:
# Clone the repository into the temporary directory
repo_url = "https://github.com/PJK/libcbor.git"
clone_command = f"git clone {repo_url} {temp_repo_dir}"
subprocess.run(clone_command, shell=True, check=True)
subprocess.run(["git", "checkout", "tags/" + args.version],
cwd=temp_repo_dir, check=True)
version_number = args.version[1:] # Remove 'v' prefix
# Create a separate folder for the copied files
base_dir = os.path.join(os.path.dirname(
__file__), "..")
output_dir = os.path.join(
base_dir, "source", "external", "libcbor")
shutil.rmtree(output_dir, ignore_errors=True)
os.makedirs(output_dir, exist_ok=True)
# Copy files ending with .c and .h from the /src directory
src_dir = os.path.join(temp_repo_dir, "src")
for root, dirs, files in os.walk(src_dir):
dir_name = os.path.basename(root)
for file in files:
if file.endswith((".c", ".h")):
# copy the source code to ../source/external/libcbor
src_file = os.path.join(root, file)
rel_path = os.path.relpath(src_file, src_dir)
dest_file = os.path.join(output_dir, rel_path)
os.makedirs(os.path.dirname(dest_file), exist_ok=True)
shutil.copy(src_file, dest_file)
# Use our customized configurations
with open(os.path.join(output_dir, "cbor/cbor_export.h"), "w") as file:
file.write(GENERATED_NOTES)
file.write(CBOR_EXPORT_H)
with open(os.path.join(output_dir, "cbor/configuration.h"), "w") as file:
file.write(GENERATED_NOTES)
file.write(CONFIGURATION_H)
# Update the version number in THIRD-PARTY-LICENSES.txt
license_path = os.path.join(base_dir, "THIRD-PARTY-LICENSES.txt")
with open(license_path, 'r') as f:
content = f.read()
# Update the version number using regex for more accurate replacement
pattern = r'\*\* libcbor; version \d+\.\d+\.\d+ --'
replacement = f'** libcbor; version {version_number} --'
content = re.sub(pattern, replacement, content)
with open(license_path, 'w') as f:
f.write(content)
print(f"Updated libcbor to version {version_number}")
except Exception as e:
print(f"An error occurred: {e}")
finally:
# Remove the temporary directory
shutil.rmtree(temp_repo_dir, ignore_errors=True)
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