From: Francisco Demartino Date: Thu, 24 Dec 2015 03:47:38 +0000 (-0300) Subject: buildorder.py: wrap main() X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/termux-packages/commitdiff_plain/15ea0fef9ed99f3a864a9d44b4a77c715961a802 buildorder.py: wrap main() --- diff --git a/buildorder.py b/buildorder.py index a8f3768e..ea5a87c8 100755 --- a/buildorder.py +++ b/buildorder.py @@ -30,84 +30,91 @@ packages_map = {} packages_dir = 'packages' -for subdir_name in sorted(os.listdir(packages_dir)): - subdir_path = packages_dir + '/' + subdir_name - - if os.path.exists(subdir_path + '/BROKEN.txt'): - continue - - build_sh_path = subdir_path + '/build.sh' - - this_package = DebianPackage(subdir_name) - all_packages.append(this_package) - packages_map[this_package.name] = this_package - - if not os.path.isfile(build_sh_path): - die('The directory ' + subdir_name + ' does not contain build.sh') - - with open(build_sh_path) as build_sh_file: - for line in build_sh_file: - if line.startswith('TERMUX_PKG_DEPENDS='): - deps_comma_separated = line[(line.index('=')+2):(len(line)-2)] - for dep in deps_comma_separated.split(','): - dep = dep.strip() - if not dep.endswith('libandroid-support-dev'): - this_package.remaining_dependencies.add(dep) - for file_in_subdir_name in sorted(os.listdir(subdir_path)): - if file_in_subdir_name.endswith('.subpackage.sh'): - subpackage_name = file_in_subdir_name[0:-len(".subpackage.sh"):] - this_package.sub_packages.add(subpackage_name) - packages_map[subpackage_name] = this_package - with open(subdir_path + '/' + file_in_subdir_name) as subpackage_sh_file: - for line in subpackage_sh_file: - if line.startswith('TERMUX_SUBPKG_DEPENDS='): - deps_comma_separated = line[(line.index('=')+2):(len(line)-2)] - for dep in deps_comma_separated.split(','): - dep = dep.strip() +def main(): + for subdir_name in sorted(os.listdir(packages_dir)): + subdir_path = packages_dir + '/' + subdir_name + + if os.path.exists(subdir_path + '/BROKEN.txt'): + continue + + build_sh_path = subdir_path + '/build.sh' + + this_package = DebianPackage(subdir_name) + all_packages.append(this_package) + packages_map[this_package.name] = this_package + + if not os.path.isfile(build_sh_path): + die('The directory ' + subdir_name + ' does not contain build.sh') + + with open(build_sh_path) as build_sh_file: + for line in build_sh_file: + if line.startswith('TERMUX_PKG_DEPENDS='): + deps_comma_separated = line[(line.index('=')+2):(len(line)-2)] + for dep in deps_comma_separated.split(','): + dep = dep.strip() + if not dep.endswith('libandroid-support-dev'): this_package.remaining_dependencies.add(dep) - # Do not depend on itself - this_package.remaining_dependencies.discard(this_package.name) - # Do not depend on any sub package - this_package.remaining_dependencies.difference_update(this_package.sub_packages) - -for package in all_packages: - for remaining in package.remaining_dependencies: - if remaining not in packages_map: - die('Package ' + package.name + ' depends on non-existing package "' + remaining + '"') - packages_map[remaining].prerequisite_for.add(package) - -# List of all DebianPackage:s without dependencies -packages_without_deps = [p for p in all_packages if not p.remaining_dependencies] -if not packages_without_deps: - die('No package without dependency - where to start?') - -# Sort alphabetically, but with libandroid-support first (since dependency on libandroid-support -# does not need to be declared explicitly, so anything might in theory depend on it to build): - -packages_without_deps.sort( - key=lambda p: '' if p.name == 'libandroid-support' else p.name, - reverse=True) - -# Topological sorting -build_order = [] -while packages_without_deps: - pkg = packages_without_deps.pop() - build_order.append(pkg) - for other_package in pkg.prerequisite_for: - # Remove this package - other_package.remaining_dependencies.discard(pkg.name) - # .. and all its subpackages - other_package.remaining_dependencies.difference_update(pkg.sub_packages) - if not other_package.remaining_dependencies: - # Check if the other package is ready to build now - packages_without_deps.append(other_package) - -if len(all_packages) != len(build_order): - print("ERROR: Cycle exists. Remaining: ") - for pkg in all_packages: - if pkg not in build_order: - print(pkg.name) - sys.exit(1) - -for pkg in build_order: - print(pkg.name) + + for file_in_subdir_name in sorted(os.listdir(subdir_path)): + if file_in_subdir_name.endswith('.subpackage.sh'): + subpackage_name = file_in_subdir_name[0:-len(".subpackage.sh"):] + this_package.sub_packages.add(subpackage_name) + packages_map[subpackage_name] = this_package + with open(subdir_path + '/' + file_in_subdir_name) as subpackage_sh_file: + for line in subpackage_sh_file: + if line.startswith('TERMUX_SUBPKG_DEPENDS='): + deps_comma_separated = line[(line.index('=')+2):(len(line)-2)] + for dep in deps_comma_separated.split(','): + dep = dep.strip() + this_package.remaining_dependencies.add(dep) + # Do not depend on itself + this_package.remaining_dependencies.discard(this_package.name) + # Do not depend on any sub package + this_package.remaining_dependencies.difference_update(this_package.sub_packages) + + for package in all_packages: + for remaining in package.remaining_dependencies: + if remaining not in packages_map: + die('Package %s depends on non-existing package "%s"' % ( + package.name, remaining + )) + packages_map[remaining].prerequisite_for.add(package) + + # List of all DebianPackage:s without dependencies + packages_without_deps = [p for p in all_packages if not p.remaining_dependencies] + if not packages_without_deps: + die('No package without dependency - where to start?') + + # Sort alphabetically, but with libandroid-support first (since dependency on libandroid-support + # does not need to be declared explicitly, so anything might in theory depend on it to build): + + packages_without_deps.sort( + key=lambda p: '' if p.name == 'libandroid-support' else p.name, + reverse=True) + + # Topological sorting + build_order = [] + while packages_without_deps: + pkg = packages_without_deps.pop() + build_order.append(pkg) + for other_package in pkg.prerequisite_for: + # Remove this package + other_package.remaining_dependencies.discard(pkg.name) + # .. and all its subpackages + other_package.remaining_dependencies.difference_update(pkg.sub_packages) + if not other_package.remaining_dependencies: + # Check if the other package is ready to build now + packages_without_deps.append(other_package) + + if len(all_packages) != len(build_order): + print("ERROR: Cycle exists. Remaining: ") + for pkg in all_packages: + if pkg not in build_order: + print(pkg.name) + sys.exit(1) + + for pkg in build_order: + print(pkg.name) + +if __name__ == '__main__': + main()