packager/pkg.py

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Python
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import os
import sys
import tarfile
def build_package(package_toml_path, output_path, directories_to_include):
data = read_package_toml(package_toml_path)
header = build_header(data)
pkg_path = output_path + ".pkg"
with open(pkg_path, mode='wb') as pkg:
pkg.write(header)
write_manifest(pkg, data)
build_tarball(pkg, directories_to_include)
return pkg_path
def read_package_toml(package_toml_path):
with open(package_toml_path, mode='r') as mani:
return mani.read()
def build_header(data):
header = bytes([0x01, (len(data) >> 8) & 0xFF, len(data) & 0xFF])
return header
def write_manifest(pkg, data):
pkg.write(data.encode("utf-8"))
def build_tarball(pkg, directories_to_include):
with tarfile.TarFile("/tmp/pkgtar", 'w') as pkgtar:
for directory in directories_to_include:
add_files_to_tar(pkgtar, directory, True)
append_tar_to_pkg(pkg)
cleanup_tmp_files()
def add_files_to_tar(pkgtar, directory, skip_target=False):
for root, dirs, files in os.walk(directory):
for file in files:
if skip_target and "target" in root:
continue
print(f"\33[2Kadd: {os.path.join(root, file)}", end="\r", flush=True)
pkgtar.add(os.path.join(root, file))
print("\33[2K", end="\r", flush=True)
def append_tar_to_pkg(pkg):
with open("/tmp/pkgtar", 'rb') as pkgtar:
pkg.write(pkgtar.read())
def cleanup_tmp_files():
print("deleting /tmp/pkgtar...")
os.unlink("/tmp/pkgtar")
if __name__ == '__main__':
if len(sys.argv) < 3:
print("Usage: pkg.py <package_toml_path> <output_path> [<directories_to_include> ...]")
sys.exit(1)
package_toml_path = sys.argv[1]
output_path = sys.argv[2]
directories_to_include = sys.argv[3:] if len(sys.argv) > 3 else None
try:
pkg_path = build_package(package_toml_path, output_path, directories_to_include)
print(f"Package created: {pkg_path}")
except FileNotFoundError:
print("Error: File not found.")
except Exception as e:
print(f"Error occurred: {e}")