418 lines
14 KiB
Python
Executable File
418 lines
14 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
import os
|
|
import sys
|
|
from collections import OrderedDict, namedtuple
|
|
|
|
# we do not use the nicer sys.version_info.major
|
|
# for compatibility with Python < 2.7
|
|
if sys.version_info[0] > 2:
|
|
from io import StringIO
|
|
from configparser import RawConfigParser
|
|
import urllib.request
|
|
|
|
class URLopener(urllib.request.FancyURLopener):
|
|
def http_error_default(self, url, fp, errcode, errmsg, headers):
|
|
sys.stderr.write("ERROR: could not fetch %s\n" % url)
|
|
sys.exit(-1)
|
|
else:
|
|
from StringIO import StringIO
|
|
from ConfigParser import RawConfigParser
|
|
import urllib
|
|
|
|
class URLopener(urllib.FancyURLopener):
|
|
def http_error_default(self, url, fp, errcode, errmsg, headers):
|
|
sys.stderr.write("ERROR: could not fetch %s\n" % url)
|
|
sys.exit(-1)
|
|
|
|
|
|
AUTOCMAKE_GITHUB_URL = 'https://github.com/scisoft/autocmake'
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def fetch_url(src, dst):
|
|
"""
|
|
Fetch file from URL src and save it to dst.
|
|
"""
|
|
dirname = os.path.dirname(dst)
|
|
if dirname != '':
|
|
if not os.path.isdir(dirname):
|
|
os.makedirs(dirname)
|
|
|
|
opener = URLopener()
|
|
opener.retrieve(src, dst)
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def print_progress_bar(text, done, total, width):
|
|
"""
|
|
Print progress bar.
|
|
"""
|
|
n = int(float(width) * float(done) / float(total))
|
|
sys.stdout.write("\r%s [%s%s] (%i/%i)" % (text, '#' * n,
|
|
' ' * (width - n), done, total))
|
|
sys.stdout.flush()
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def align_options(options):
|
|
"""
|
|
Indents flags and aligns help texts.
|
|
"""
|
|
l = 0
|
|
for opt in options:
|
|
if len(opt[0]) > l:
|
|
l = len(opt[0])
|
|
s = []
|
|
for opt in options:
|
|
s.append(' %s%s %s' % (opt[0], ' ' * (l - len(opt[0])), opt[1]))
|
|
return '\n'.join(s)
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
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 = []")
|
|
|
|
# take care of environment variables
|
|
for section in config.sections():
|
|
if config.has_option(section, 'export'):
|
|
for env in config.get(section, 'export').split('\n'):
|
|
s.append(' command.append(%s)' % env)
|
|
|
|
s.append(" command.append('cmake')")
|
|
|
|
# take care of cmake definitions
|
|
for section in config.sections():
|
|
if config.has_option(section, 'define'):
|
|
for definition in config.get(section, 'define').split('\n'):
|
|
s.append(' command.append(%s)' % definition)
|
|
|
|
s.append(" command.append('-DCMAKE_BUILD_TYPE=%s' % arguments['--type'])")
|
|
s.append(" command.append('-G \"%s\"' % arguments['--generator'])")
|
|
|
|
s.append("\n return ' '.join(command)")
|
|
|
|
return '\n'.join(s)
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def gen_setup(config, relative_path):
|
|
"""
|
|
Generate setup.py script.
|
|
"""
|
|
s = []
|
|
s.append('#!/usr/bin/env python')
|
|
s.append('\n# This script is autogenerated by Autocmake')
|
|
s.append('# Copyright (c) 2015 by Radovan Bast and Jonas Juselius')
|
|
s.append('# See https://github.com/scisoft/autocmake/blob/master/LICENSE')
|
|
s.append('\nimport os')
|
|
s.append('import sys')
|
|
|
|
s.append("\nsys.path.append('%s')" % os.path.join(relative_path, 'lib'))
|
|
s.append('from config import configure')
|
|
s.append('import docopt')
|
|
|
|
s.append('\n\noptions = """')
|
|
s.append('Usage:')
|
|
s.append(' ./setup.py [options] [<builddir>]')
|
|
s.append(' ./setup.py (-h | --help)')
|
|
s.append('\nOptions:')
|
|
|
|
options = []
|
|
for section in config.sections():
|
|
if config.has_option(section, 'docopt'):
|
|
for opt in config.get(section, 'docopt').split('\n'):
|
|
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(['<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\ntry:")
|
|
s.append(" arguments = docopt.docopt(options, argv=None)")
|
|
s.append("except docopt.DocoptExit:")
|
|
s.append(r" sys.stderr.write('ERROR: bad input to %s\n' % sys.argv[0])")
|
|
s.append(" sys.stderr.write(options)")
|
|
s.append(" sys.exit(-1)")
|
|
s.append("\nroot_directory = os.path.dirname(os.path.realpath(__file__))")
|
|
s.append("build_path = arguments['<builddir>']")
|
|
s.append("cmake_command = '%s %s' % (gen_cmake_command(options, arguments), root_directory)")
|
|
s.append("configure(root_directory, build_path, cmake_command, arguments['--show'])")
|
|
|
|
return s
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def gen_cmakelists(config, relative_path, modules):
|
|
"""
|
|
Generate CMakeLists.txt.
|
|
"""
|
|
if not config.has_option('project', 'name'):
|
|
sys.stderr.write("ERROR: you have to specify the project name\n")
|
|
sys.stderr.write(" in autocmake.cfg under [project]\n")
|
|
sys.exit(-1)
|
|
project_name = config.get('project', 'name')
|
|
|
|
s = []
|
|
|
|
s.append('# set minimum cmake version')
|
|
s.append('cmake_minimum_required(VERSION 2.8 FATAL_ERROR)')
|
|
|
|
s.append('\n# project name')
|
|
s.append('project(%s)' % 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()')
|
|
|
|
s.append('\n# directories which hold enabled cmake modules')
|
|
for directory in set([module.path for module in modules]):
|
|
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}/%s)' % rel_cmake_module_path)
|
|
|
|
s.append('\n# included cmake modules')
|
|
for module in modules:
|
|
s.append('include(%s)' % os.path.splitext(module.name)[0])
|
|
|
|
return s
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def fetch_modules(config, relative_path):
|
|
"""
|
|
Assemble modules which will
|
|
be included in CMakeLists.txt.
|
|
"""
|
|
|
|
download_directory = 'downloaded'
|
|
if not os.path.exists(download_directory):
|
|
os.makedirs(download_directory)
|
|
|
|
l = list(filter(lambda x: config.has_option(x, 'source'),
|
|
config.sections()))
|
|
n = len(l)
|
|
|
|
modules = []
|
|
Module = namedtuple('Module', 'path name')
|
|
|
|
if n > 0: # otherwise division by zero in print_progress_bar
|
|
i = 0
|
|
print_progress_bar(text='- assembling modules:', done=0, total=n, width=30)
|
|
for section in config.sections():
|
|
if config.has_option(section, 'source'):
|
|
for src in config.get(section, 'source').split('\n'):
|
|
module_name = os.path.basename(src)
|
|
if 'http' in src:
|
|
path = download_directory
|
|
name = 'autocmake_%s' % module_name
|
|
dst = os.path.join(download_directory, 'autocmake_%s' % module_name)
|
|
fetch_url(src, dst)
|
|
file_name = dst
|
|
else:
|
|
if os.path.exists(src):
|
|
path = os.path.dirname(src)
|
|
name = module_name
|
|
file_name = src
|
|
else:
|
|
sys.stderr.write("ERROR: %s does not exist\n" % src)
|
|
sys.exit(-1)
|
|
# if auto is true we infer configuration
|
|
# from the module documentation
|
|
if config.has_option(section, 'auto'):
|
|
if config.get(section, 'auto') == 'true':
|
|
with open(file_name, 'r') as f:
|
|
config_docopt, config_define, config_export = parse_cmake_module(f.read())
|
|
if config_docopt:
|
|
config.set(section, 'docopt', config_docopt)
|
|
if config_define:
|
|
config.set(section, 'define', config_define)
|
|
if config_export:
|
|
config.set(section, 'export', config_export)
|
|
modules.append(Module(path=path, name=name))
|
|
i += 1
|
|
print_progress_bar(
|
|
text='- assembling modules:',
|
|
done=i,
|
|
total=n,
|
|
width=30
|
|
)
|
|
print('')
|
|
|
|
return modules
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def main(argv):
|
|
"""
|
|
Main function.
|
|
"""
|
|
if len(argv) != 2:
|
|
sys.stderr.write("\nYou can update a project in two steps.\n\n")
|
|
sys.stderr.write("Step 1: Update or create infrastructure files\n")
|
|
sys.stderr.write(" which will be needed to configure and build the project:\n")
|
|
sys.stderr.write(" $ %s --self\n\n" % argv[0])
|
|
sys.stderr.write("Step 2: Create CMakeLists.txt and setup.py in PROJECT_ROOT:\n")
|
|
sys.stderr.write(" $ %s <PROJECT_ROOT>\n" % argv[0])
|
|
sys.stderr.write(" example:\n")
|
|
sys.stderr.write(" $ %s ..\n" % argv[0])
|
|
sys.exit(-1)
|
|
|
|
if argv[1] == '--self':
|
|
# update self
|
|
if not os.path.isfile('autocmake.cfg'):
|
|
print('- fetching example autocmake.cfg')
|
|
fetch_url(
|
|
src='%s/raw/master/example/autocmake.cfg' % AUTOCMAKE_GITHUB_URL,
|
|
dst='autocmake.cfg'
|
|
)
|
|
print('- fetching lib/config.py')
|
|
fetch_url(
|
|
src='%s/raw/master/lib/config.py' % AUTOCMAKE_GITHUB_URL,
|
|
dst='lib/config.py'
|
|
)
|
|
print('- fetching lib/docopt.py')
|
|
fetch_url(
|
|
src='https://github.com/docopt/docopt/raw/master/docopt.py',
|
|
dst='lib/docopt.py'
|
|
)
|
|
print('- fetching update.py')
|
|
fetch_url(
|
|
src='%s/raw/master/update.py' % AUTOCMAKE_GITHUB_URL,
|
|
dst='update.py'
|
|
)
|
|
sys.exit(0)
|
|
|
|
project_root = argv[1]
|
|
if not os.path.isdir(project_root):
|
|
sys.stderr.write("ERROR: %s is not a directory\n" % project_root)
|
|
sys.exit(-1)
|
|
|
|
# read config file
|
|
print('- parsing autocmake.cfg')
|
|
config = RawConfigParser(dict_type=OrderedDict)
|
|
config.read('autocmake.cfg')
|
|
|
|
# get relative path from setup.py script to this directory
|
|
relative_path = os.path.relpath(os.path.abspath('.'), project_root)
|
|
|
|
# fetch modules from the web or from relative paths
|
|
modules = fetch_modules(config, relative_path)
|
|
|
|
# create CMakeLists.txt
|
|
print('- generating CMakeLists.txt')
|
|
s = gen_cmakelists(config, relative_path, modules)
|
|
with open(os.path.join(project_root, 'CMakeLists.txt'), 'w') as f:
|
|
f.write('%s\n' % '\n'.join(s))
|
|
|
|
# create setup.py
|
|
print('- generating setup.py')
|
|
s = gen_setup(config, relative_path)
|
|
with open(os.path.join(project_root, 'setup.py'), 'w') as f:
|
|
f.write('%s\n' % '\n'.join(s))
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def parse_cmake_module(s_in):
|
|
|
|
s_out = []
|
|
is_rst_line = False
|
|
for line in s_in.split('\n'):
|
|
if is_rst_line:
|
|
if len(line) > 0:
|
|
if line[0] != '#':
|
|
is_rst_line = False
|
|
else:
|
|
is_rst_line = False
|
|
if is_rst_line:
|
|
s_out.append(line[2:])
|
|
if '#.rst:' in line:
|
|
is_rst_line = True
|
|
|
|
autocmake_entry = '\n'.join(s_out).split('Example autocmake.cfg entry::')[1]
|
|
autocmake_entry = autocmake_entry.replace('\n ', '\n')
|
|
|
|
buf = StringIO(autocmake_entry)
|
|
config = RawConfigParser(dict_type=OrderedDict)
|
|
config.readfp(buf)
|
|
|
|
config_docopt = None
|
|
config_define = None
|
|
config_export = None
|
|
for section in config.sections():
|
|
if config.has_option(section, 'docopt'):
|
|
config_docopt = config.get(section, 'docopt')
|
|
if config.has_option(section, 'define'):
|
|
config_define = config.get(section, 'define')
|
|
if config.has_option(section, 'export'):
|
|
config_export = config.get(section, 'export')
|
|
|
|
return config_docopt, config_define, config_export
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
def test_parse_cmake_module():
|
|
|
|
s = '''#.rst:
|
|
#
|
|
# Foo ...
|
|
#
|
|
# Example autocmake.cfg entry::
|
|
#
|
|
# [cxx]
|
|
# source: https://github.com/scisoft/autocmake/raw/master/modules/cxx.cmake
|
|
# docopt: --cxx=<CXX> C++ compiler [default: g++].
|
|
# --extra-cxx-flags=<EXTRA_CXXFLAGS> Extra C++ compiler flags [default: ''].
|
|
# export: 'CXX=%s' % arguments['--cxx']
|
|
# define: '-DEXTRA_CXXFLAGS="%s"' % arguments['--extra-cxx-flags']
|
|
|
|
enable_language(CXX)
|
|
|
|
if(NOT DEFINED CMAKE_C_COMPILER_ID)
|
|
message(FATAL_ERROR "CMAKE_C_COMPILER_ID variable is not defined!")
|
|
endif()'''
|
|
|
|
config_docopt, config_define, config_export = parse_cmake_module(s)
|
|
|
|
assert config_docopt == "--cxx=<CXX> C++ compiler [default: g++].\n--extra-cxx-flags=<EXTRA_CXXFLAGS> Extra C++ compiler flags [default: '']."
|
|
|
|
# ------------------------------------------------------------------------------
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv)
|