oursource more functions

autocmake/generate.py

@@ -0,0 +1,152 @@
+def gen_cmake_command(config):
+    """
+    Generate CMake command.
+    """
+    s = []
+
+    s.append("\n\ndef gen_cmake_command(options, arguments):")
+    s.append('    """')
+    s.append("    Generate CMake command based on options and arguments.")
+    s.append('    """')
+    s.append("    command = []")
+
+    for env in extract_list(config, 'export'):
+        s.append('    command.append({0})'.format(env))
+
+    s.append("    command.append(arguments['--cmake-executable'])")
+
+    for definition in extract_list(config, 'define'):
+        s.append('    command.append({0})'.format(definition))
+
+    s.append("    command.append('-DCMAKE_BUILD_TYPE={0}'.format(arguments['--type']))")
+    s.append("    command.append('-G \"{0}\"'.format(arguments['--generator']))")
+    s.append("    if arguments['--cmake-options'] != \"''\":")
+    s.append("        command.append(arguments['--cmake-options'])")
+    s.append("    if arguments['--prefix']:")
+    s.append("        command.append('-DCMAKE_INSTALL_PREFIX=\"{0}\"'.format(arguments['--prefix']))")
+
+    s.append("\n    return ' '.join(command)")
+
+    return '\n'.join(s)
+
+
+def autogenerated_notice():
+    current_year = datetime.date.today().year
+    year_range = '2015-{0}'.format(current_year)
+    s = []
+    s.append('# This file is autogenerated by Autocmake v{0} http://autocmake.org'.format(__version__))
+    s.append('# Copyright (c) {0} by Radovan Bast, Jonas Juselius, and contributors.'.format(year_range))
+    return '\n'.join(s)
+
+
+def gen_setup(config, relative_path, setup_script_name):
+    """
+    Generate setup script.
+    """
+    s = []
+    s.append('#!/usr/bin/env python')
+    s.append('\n{0}'.format(autogenerated_notice()))
+    s.append('\nimport os')
+    s.append('import sys')
+
+    s.append("\nsys.path.insert(0, '{0}')".format(relative_path))
+
+    s.append('from autocmake import configure')
+    s.append('from autocmake.external import docopt')
+
+    s.append('\n\noptions = """')
+    s.append('Usage:')
+    s.append('  ./{0} [options] [<builddir>]'.format(setup_script_name))
+    s.append('  ./{0} (-h | --help)'.format(setup_script_name))
+    s.append('\nOptions:')
+
+    options = []
+
+    for opt in extract_list(config, 'docopt'):
+        first = opt.split()[0].strip()
+        rest = ' '.join(opt.split()[1:]).strip()
+        options.append([first, rest])
+
+    options.append(['--type=<TYPE>', 'Set the CMake build type (debug, release, or relwithdeb) [default: release].'])
+    options.append(['--generator=<STRING>', 'Set the CMake build system generator [default: Unix Makefiles].'])
+    options.append(['--show', 'Show CMake command and exit.'])
+    options.append(['--cmake-executable=<CMAKE_EXECUTABLE>', 'Set the CMake executable [default: cmake].'])
+    options.append(['--cmake-options=<STRING>', "Define options to CMake [default: '']."])
+    options.append(['--prefix=<PATH>', 'Set the install path for make install.'])
+    options.append(['<builddir>', 'Build directory.'])
+    options.append(['-h --help', 'Show this screen.'])
+
+    s.append(align_options(options))
+
+    s.append('"""')
+
+    s.append(gen_cmake_command(config))
+
+    s.append("\n")
+    s.append("# parse command line args")
+    s.append("try:")
+    s.append("    arguments = docopt.docopt(options, argv=None)")
+    s.append("except docopt.DocoptExit:")
+    s.append(r"    sys.stderr.write('ERROR: bad input to {0}\n'.format(sys.argv[0]))")
+    s.append("    sys.stderr.write(options)")
+    s.append("    sys.exit(-1)")
+    s.append("\n")
+    s.append("# use extensions to validate/post-process args")
+    s.append("if configure.module_exists('extensions'):")
+    s.append("    import extensions")
+    s.append("    arguments = extensions.postprocess_args(sys.argv, arguments)")
+    s.append("\n")
+    s.append("root_directory = os.path.dirname(os.path.realpath(__file__))")
+    s.append("\n")
+    s.append("build_path = arguments['<builddir>']")
+    s.append("\n")
+    s.append("# create cmake command")
+    s.append("cmake_command = '{0} {1}'.format(gen_cmake_command(options, arguments), root_directory)")
+    s.append("\n")
+    s.append("# run cmake")
+    s.append("configure.configure(root_directory, build_path, cmake_command, arguments['--show'])")
+
+    return s
+
+
+def gen_cmakelists(project_name, min_cmake_version, relative_path, modules):
+    """
+    Generate CMakeLists.txt.
+    """
+    s = []
+
+    s.append(autogenerated_notice())
+
+    s.append('\n# set minimum cmake version')
+    s.append('cmake_minimum_required(VERSION {0} FATAL_ERROR)'.format(min_cmake_version))
+
+    s.append('\n# project name')
+    s.append('project({0})'.format(project_name))
+
+    s.append('\n# do not rebuild if rules (compiler flags) change')
+    s.append('set(CMAKE_SKIP_RULE_DEPENDENCY TRUE)')
+
+    s.append('\n# if CMAKE_BUILD_TYPE undefined, we set it to Debug')
+    s.append('if(NOT CMAKE_BUILD_TYPE)')
+    s.append('    set(CMAKE_BUILD_TYPE "Debug")')
+    s.append('endif()')
+
+    if len(modules) > 0:
+        s.append('\n# directories which hold included cmake modules')
+
+    module_paths = [module.path for module in modules]
+    module_paths.append('downloaded')  # this is done to be able to find fetched modules when testing
+    module_paths = list(set(module_paths))
+    module_paths.sort()  # we do this to always get the same order and to minimize diffs
+    for directory in module_paths:
+        rel_cmake_module_path = os.path.join(relative_path, directory)
+        # on windows cmake corrects this so we have to make it wrong again
+        rel_cmake_module_path = rel_cmake_module_path.replace('\\', '/')
+        s.append('set(CMAKE_MODULE_PATH ${{CMAKE_MODULE_PATH}} ${{PROJECT_SOURCE_DIR}}/{0})'.format(rel_cmake_module_path))
+
+    if len(modules) > 0:
+        s.append('\n# included cmake modules')
+    for module in modules:
+        s.append('include({0})'.format(os.path.splitext(module.name)[0]))
+
+    return s