mesonbuild/scripts/meson_install.py - meson - Git at Google

 #!/usr/bin/env python3

 # Copyright 2013-2014 The Meson development team

 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at

 #     http://www.apache.org/licenses/LICENSE-2.0

 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.

 import sys, pickle, os, shutil, subprocess, gzip, platform
 from glob import glob
 from mesonbuild.scripts import depfixer
 from mesonbuild.scripts import destdir_join

 install_log_file = None

 def append_to_log(line):
     install_log_file.write(line)
     if not line.endswith('\n'):
         install_log_file.write('\n')
     install_log_file.flush()

 def do_copy(from_file, to_file):
     try:
         # Python's copyfile fails if the target file already exists.
         os.unlink(to_file)
     except FileNotFoundError:
         pass
     shutil.copyfile(from_file, to_file)
     shutil.copystat(from_file, to_file)
     append_to_log(to_file)

 def get_destdir_path(d, path):
     if os.path.isabs(path):
         output = destdir_join(d.destdir, path)
     else:
         output = os.path.join(d.fullprefix, path)
     return output

 def do_install(datafilename):
     with open(datafilename, 'rb') as ifile:
         d = pickle.load(ifile)
     d.destdir = os.environ.get('DESTDIR', '')
     d.fullprefix = destdir_join(d.destdir, d.prefix)

     install_subdirs(d) # Must be first, because it needs to delete the old subtree.
     install_targets(d)
     install_headers(d)
     install_man(d)
     install_data(d)
     run_install_script(d)

 def install_subdirs(data):
     for (src_dir, inst_dir, dst_dir) in data.install_subdirs:
         if src_dir.endswith('/') or src_dir.endswith('\\'):
             src_dir = src_dir[:-1]
         src_prefix = os.path.join(src_dir, inst_dir)
         print('Installing subdir %s to %s.' % (src_prefix, dst_dir))
         dst_dir = get_destdir_path(data, dst_dir)
         if not os.path.exists(dst_dir):
             os.makedirs(dst_dir)
         for root, dirs, files in os.walk(src_prefix):
             for d in dirs:
                 abs_src = os.path.join(src_dir, root, d)
                 filepart = abs_src[len(src_dir)+1:]
                 abs_dst = os.path.join(dst_dir, filepart)
                 if os.path.isdir(abs_dst):
                     continue
                 if os.path.exists(abs_dst):
                     print('Tried to copy directory %s but a file of that name already exists.' % abs_dst)
                     sys.exit(1)
                 os.makedirs(abs_dst)
                 shutil.copystat(abs_src, abs_dst)
             for f in files:
                 abs_src = os.path.join(src_dir, root, f)
                 filepart = abs_src[len(src_dir)+1:]
                 abs_dst = os.path.join(dst_dir, filepart)
                 if os.path.isdir(abs_dst):
                     print('Tried to copy file %s but a directory of that name already exists.' % abs_dst)
                 if os.path.exists(abs_dst):
                     os.unlink(abs_dst)
                 parent_dir = os.path.split(abs_dst)[0]
                 if not os.path.isdir(parent_dir):
                     os.mkdir(parent_dir)
                     shutil.copystat(os.path.split(abs_src)[0], parent_dir)
                 shutil.copy2(abs_src, abs_dst, follow_symlinks=False)
                 append_to_log(abs_dst)

 def install_data(d):
     for i in d.data:
         fullfilename = i[0]
         outfilename = get_destdir_path(d, i[1])
         outdir = os.path.split(outfilename)[0]
         os.makedirs(outdir, exist_ok=True)
         print('Installing %s to %s.' % (fullfilename, outdir))
         do_copy(fullfilename, outfilename)

 def install_man(d):
     for m in d.man:
         full_source_filename = m[0]
         outfilename = get_destdir_path(d, m[1])
         outdir = os.path.split(outfilename)[0]
         os.makedirs(outdir, exist_ok=True)
         print('Installing %s to %s.' % (full_source_filename, outdir))
         if outfilename.endswith('.gz') and not full_source_filename.endswith('.gz'):
             with open(outfilename, 'wb') as of:
                 with open(full_source_filename, 'rb') as sf:
                     of.write(gzip.compress(sf.read()))
             shutil.copystat(full_source_filename, outfilename)
             append_to_log(outfilename)
         else:
             do_copy(full_source_filename, outfilename)

 def install_headers(d):
     for t in d.headers:
         fullfilename = t[0]
         fname = os.path.split(fullfilename)[1]
         outdir = get_destdir_path(d, t[1])
         outfilename = os.path.join(outdir, fname)
         print('Installing %s to %s' % (fname, outdir))
         os.makedirs(outdir, exist_ok=True)
         do_copy(fullfilename, outfilename)

 def run_install_script(d):
     env = {'MESON_SOURCE_ROOT' : d.source_dir,
            'MESON_BUILD_ROOT' : d.build_dir,
            'MESON_INSTALL_PREFIX' : d.prefix
           }
     child_env = os.environ.copy()
     child_env.update(env)

     for i in d.install_scripts:
         final_command = i.cmd_arr
         script = i.cmd_arr[0]
         print('Running custom install script %s' % script)
         suffix = os.path.splitext(script)[1].lower()
         if platform.system().lower() == 'windows' and suffix != '.bat':
             with open(script, encoding='latin_1', errors='ignore') as f:
                 first_line = f.readline().strip()
             if first_line.startswith('#!'):
                 if shutil.which(first_line[2:]):
                     commands = [first_line[2:]]
                 else:
                     commands = first_line[2:].split('#')[0].strip().split()
                     commands[0] = shutil.which(commands[0].split('/')[-1])
                     if commands[0] is None:
                         raise RuntimeError("Don't know how to run script %s." % script)
                 final_command = commands + [script] + i.cmd_arr[1:]
         try:
             rc = subprocess.call(final_command, env=child_env)
             if rc != 0:
                 sys.exit(rc)
         except:
             print('Failed to run install script:', *i.cmd_arr)
             sys.exit(1)

 def is_elf_platform():
     platname = platform.system().lower()
     if platname == 'darwin' or platname == 'windows':
         return False
     return True

 def check_for_stampfile(fname):
     '''Some languages e.g. Rust have output files
     whose names are not known at configure time.
     Check if this is the case and return the real
     file instead.'''
     if fname.endswith('.so') or fname.endswith('.dll'):
         if os.stat(fname).st_size == 0:
             (base, suffix) = os.path.splitext(fname)
             files = glob(base + '-*' + suffix)
             if len(files) > 1:
                 print("Stale dynamic library files in build dir. Can't install.")
                 sys.exit(1)
             if len(files) == 1:
                 return files[0]
     elif fname.endswith('.a') or fname.endswith('.lib'):
         if os.stat(fname).st_size == 0:
             (base, suffix) = os.path.splitext(fname)
             files = glob(base + '-*' + '.rlib')
             if len(files) > 1:
                 print("Stale static library files in build dir. Can't install.")
                 sys.exit(1)
             if len(files) == 1:
                 return files[0]
     return fname

 def install_targets(d):
     for t in d.targets:
         fname = check_for_stampfile(t[0])
         outdir = get_destdir_path(d, t[1])
         outname = os.path.join(outdir, os.path.split(fname)[-1])
         aliases = t[2]
         should_strip = t[3]
         install_rpath = t[4]
         print('Installing %s to %s' % (fname, outname))
         os.makedirs(outdir, exist_ok=True)
         do_copy(fname, outname)
         if should_strip:
             print('Stripping target')
             ps = subprocess.Popen(['strip', outname], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
             (stdo, stde) = ps.communicate()
             if ps.returncode != 0:
                 print('Could not strip file.\n')
                 print('Stdout:\n%s\n' % stdo.decode())
                 print('Stderr:\n%s\n' % stde.decode())
                 sys.exit(1)
         printed_symlink_error = False
         for alias in aliases:
             try:
                 symlinkfilename = os.path.join(outdir, alias)
                 try:
                     os.unlink(symlinkfilename)
                 except FileNotFoundError:
                     pass
                 os.symlink(os.path.split(fname)[-1], symlinkfilename)
                 append_to_log(symlinkfilename)
             except (NotImplementedError, OSError):
                 if not printed_symlink_error:
                     print("Symlink creation does not work on this platform.")
                     printed_symlink_error = True
         if is_elf_platform():
             try:
                 e = depfixer.Elf(outname, False)
                 e.fix_rpath(install_rpath)
             except SystemExit as e:
                 if isinstance(e.code, int) and e.code == 0:
                     pass
                 else:
                     raise

 def run(args):
     global install_log_file
     if len(args) != 1:
         print('Installer script for Meson. Do not run on your own, mmm\'kay?')
         print('meson_install.py [install info file]')
     datafilename = args[0]
     private_dir = os.path.split(datafilename)[0]
     log_dir = os.path.join(private_dir, '../meson-logs')
     with open(os.path.join(log_dir, 'install-log.txt'), 'w') as lf:
         install_log_file = lf
         append_to_log('# List of files installed by Meson')
         append_to_log('# Does not contain files installed by custom scripts.')
         do_install(datafilename)
     install_log_file = None
     return 0

 if __name__ == '__main__':
     sys.exit(run(sys.argv[1:]))
	#!/usr/bin/env python3

	# Copyright 2013-2014 The Meson development team

	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at

	# http://www.apache.org/licenses/LICENSE-2.0

	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	import sys, pickle, os, shutil, subprocess, gzip, platform
	from glob import glob
	from mesonbuild.scripts import depfixer
	from mesonbuild.scripts import destdir_join

	install_log_file = None

	def append_to_log(line):
	install_log_file.write(line)
	if not line.endswith('\n'):
	install_log_file.write('\n')
	install_log_file.flush()

	def do_copy(from_file, to_file):
	try:
	# Python's copyfile fails if the target file already exists.
	os.unlink(to_file)
	except FileNotFoundError:
	pass
	shutil.copyfile(from_file, to_file)
	shutil.copystat(from_file, to_file)
	append_to_log(to_file)

	def get_destdir_path(d, path):
	if os.path.isabs(path):
	output = destdir_join(d.destdir, path)
	else:
	output = os.path.join(d.fullprefix, path)
	return output

	def do_install(datafilename):
	with open(datafilename, 'rb') as ifile:
	d = pickle.load(ifile)
	d.destdir = os.environ.get('DESTDIR', '')
	d.fullprefix = destdir_join(d.destdir, d.prefix)

	install_subdirs(d) # Must be first, because it needs to delete the old subtree.
	install_targets(d)
	install_headers(d)
	install_man(d)
	install_data(d)
	run_install_script(d)

	def install_subdirs(data):
	for (src_dir, inst_dir, dst_dir) in data.install_subdirs:
	if src_dir.endswith('/') or src_dir.endswith('\\'):
	src_dir = src_dir[:-1]
	src_prefix = os.path.join(src_dir, inst_dir)
	print('Installing subdir %s to %s.' % (src_prefix, dst_dir))
	dst_dir = get_destdir_path(data, dst_dir)
	if not os.path.exists(dst_dir):
	os.makedirs(dst_dir)
	for root, dirs, files in os.walk(src_prefix):
	for d in dirs:
	abs_src = os.path.join(src_dir, root, d)
	filepart = abs_src[len(src_dir)+1:]
	abs_dst = os.path.join(dst_dir, filepart)
	if os.path.isdir(abs_dst):
	continue
	if os.path.exists(abs_dst):
	print('Tried to copy directory %s but a file of that name already exists.' % abs_dst)
	sys.exit(1)
	os.makedirs(abs_dst)
	shutil.copystat(abs_src, abs_dst)
	for f in files:
	abs_src = os.path.join(src_dir, root, f)
	filepart = abs_src[len(src_dir)+1:]
	abs_dst = os.path.join(dst_dir, filepart)
	if os.path.isdir(abs_dst):
	print('Tried to copy file %s but a directory of that name already exists.' % abs_dst)
	if os.path.exists(abs_dst):
	os.unlink(abs_dst)
	parent_dir = os.path.split(abs_dst)[0]
	if not os.path.isdir(parent_dir):
	os.mkdir(parent_dir)
	shutil.copystat(os.path.split(abs_src)[0], parent_dir)
	shutil.copy2(abs_src, abs_dst, follow_symlinks=False)
	append_to_log(abs_dst)

	def install_data(d):
	for i in d.data:
	fullfilename = i[0]
	outfilename = get_destdir_path(d, i[1])
	outdir = os.path.split(outfilename)[0]
	os.makedirs(outdir, exist_ok=True)
	print('Installing %s to %s.' % (fullfilename, outdir))
	do_copy(fullfilename, outfilename)

	def install_man(d):
	for m in d.man:
	full_source_filename = m[0]
	outfilename = get_destdir_path(d, m[1])
	outdir = os.path.split(outfilename)[0]
	os.makedirs(outdir, exist_ok=True)
	print('Installing %s to %s.' % (full_source_filename, outdir))
	if outfilename.endswith('.gz') and not full_source_filename.endswith('.gz'):
	with open(outfilename, 'wb') as of:
	with open(full_source_filename, 'rb') as sf:
	of.write(gzip.compress(sf.read()))
	shutil.copystat(full_source_filename, outfilename)
	append_to_log(outfilename)
	else:
	do_copy(full_source_filename, outfilename)

	def install_headers(d):
	for t in d.headers:
	fullfilename = t[0]
	fname = os.path.split(fullfilename)[1]
	outdir = get_destdir_path(d, t[1])
	outfilename = os.path.join(outdir, fname)
	print('Installing %s to %s' % (fname, outdir))
	os.makedirs(outdir, exist_ok=True)
	do_copy(fullfilename, outfilename)

	def run_install_script(d):
	env = {'MESON_SOURCE_ROOT' : d.source_dir,
	'MESON_BUILD_ROOT' : d.build_dir,
	'MESON_INSTALL_PREFIX' : d.prefix
	}
	child_env = os.environ.copy()
	child_env.update(env)

	for i in d.install_scripts:
	final_command = i.cmd_arr
	script = i.cmd_arr[0]
	print('Running custom install script %s' % script)
	suffix = os.path.splitext(script)[1].lower()
	if platform.system().lower() == 'windows' and suffix != '.bat':
	with open(script, encoding='latin_1', errors='ignore') as f:
	first_line = f.readline().strip()
	if first_line.startswith('#!'):
	if shutil.which(first_line[2:]):
	commands = [first_line[2:]]
	else:
	commands = first_line[2:].split('#')[0].strip().split()
	commands[0] = shutil.which(commands[0].split('/')[-1])
	if commands[0] is None:
	raise RuntimeError("Don't know how to run script %s." % script)
	final_command = commands + [script] + i.cmd_arr[1:]
	try:
	rc = subprocess.call(final_command, env=child_env)
	if rc != 0:
	sys.exit(rc)
	except:
	print('Failed to run install script:', *i.cmd_arr)
	sys.exit(1)

	def is_elf_platform():
	platname = platform.system().lower()
	if platname == 'darwin' or platname == 'windows':
	return False
	return True

	def check_for_stampfile(fname):
	'''Some languages e.g. Rust have output files
	whose names are not known at configure time.
	Check if this is the case and return the real
	file instead.'''
	if fname.endswith('.so') or fname.endswith('.dll'):
	if os.stat(fname).st_size == 0:
	(base, suffix) = os.path.splitext(fname)
	files = glob(base + '-*' + suffix)
	if len(files) > 1:
	print("Stale dynamic library files in build dir. Can't install.")
	sys.exit(1)
	if len(files) == 1:
	return files[0]
	elif fname.endswith('.a') or fname.endswith('.lib'):
	if os.stat(fname).st_size == 0:
	(base, suffix) = os.path.splitext(fname)
	files = glob(base + '-*' + '.rlib')
	if len(files) > 1:
	print("Stale static library files in build dir. Can't install.")
	sys.exit(1)
	if len(files) == 1:
	return files[0]
	return fname

	def install_targets(d):
	for t in d.targets:
	fname = check_for_stampfile(t[0])
	outdir = get_destdir_path(d, t[1])
	outname = os.path.join(outdir, os.path.split(fname)[-1])
	aliases = t[2]
	should_strip = t[3]
	install_rpath = t[4]
	print('Installing %s to %s' % (fname, outname))
	os.makedirs(outdir, exist_ok=True)
	do_copy(fname, outname)
	if should_strip:
	print('Stripping target')
	ps = subprocess.Popen(['strip', outname], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
	(stdo, stde) = ps.communicate()
	if ps.returncode != 0:
	print('Could not strip file.\n')
	print('Stdout:\n%s\n' % stdo.decode())
	print('Stderr:\n%s\n' % stde.decode())
	sys.exit(1)
	printed_symlink_error = False
	for alias in aliases:
	try:
	symlinkfilename = os.path.join(outdir, alias)
	try:
	os.unlink(symlinkfilename)
	except FileNotFoundError:
	pass
	os.symlink(os.path.split(fname)[-1], symlinkfilename)
	append_to_log(symlinkfilename)
	except (NotImplementedError, OSError):
	if not printed_symlink_error:
	print("Symlink creation does not work on this platform.")
	printed_symlink_error = True
	if is_elf_platform():
	try:
	e = depfixer.Elf(outname, False)
	e.fix_rpath(install_rpath)
	except SystemExit as e:
	if isinstance(e.code, int) and e.code == 0:
	pass
	else:
	raise

	def run(args):
	global install_log_file
	if len(args) != 1:
	print('Installer script for Meson. Do not run on your own, mmm\'kay?')
	print('meson_install.py [install info file]')
	datafilename = args[0]
	private_dir = os.path.split(datafilename)[0]
	log_dir = os.path.join(private_dir, '../meson-logs')
	with open(os.path.join(log_dir, 'install-log.txt'), 'w') as lf:
	install_log_file = lf
	append_to_log('# List of files installed by Meson')
	append_to_log('# Does not contain files installed by custom scripts.')
	do_install(datafilename)
	install_log_file = None
	return 0

	if __name__ == '__main__':
	sys.exit(run(sys.argv[1:]))