node/tools/wafadmin/Scripting.py at writev · codef0rmer/node · GitHub

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#!/usr/bin/env python

# encoding: utf-8

# Thomas Nagy, 2005 (ita)

"Module called for configuring, compiling and installing targets"

import os, sys, shutil, traceback, datetime, inspect, errno

import Utils, Configure, Build, Logs, Options, Environment, Task

from Logs import error, warn, info

from Constants import *

g_gz = 'bz2'

commands = []

def prepare_impl(t, cwd, ver, wafdir):

Options.tooldir = [t]

Options.launch_dir = cwd

# some command-line options can be processed immediately

if '--version' in sys.argv:

opt_obj = Options.Handler()

opt_obj.curdir = cwd

opt_obj.parse_args()

sys.exit(0)

# now find the wscript file

msg1 = 'Waf: Please run waf from a directory containing a file named "%s" or run distclean' % WSCRIPT_FILE

# in theory projects can be configured in an autotool-like manner:

# mkdir build && cd build && ../waf configure && ../waf

build_dir_override = None

candidate = None

lst = os.listdir(cwd)

search_for_candidate = True

if WSCRIPT_FILE in lst:

candidate = cwd

elif 'configure' in sys.argv and not WSCRIPT_BUILD_FILE in lst:

# autotool-like configuration

calldir = os.path.abspath(os.path.dirname(sys.argv[0]))

if WSCRIPT_FILE in os.listdir(calldir):

candidate = calldir

search_for_candidate = False

else:

error('arg[0] directory does not contain a wscript file')

sys.exit(1)

build_dir_override = cwd

# climb up to find a script if it is not found

while search_for_candidate:

if len(cwd) <= 3:

break # stop at / or c:

dirlst = os.listdir(cwd)

if WSCRIPT_FILE in dirlst:

candidate = cwd

if 'configure' in sys.argv and candidate:

break

if Options.lockfile in dirlst:

env = Environment.Environment()

try:

env.load(os.path.join(cwd, Options.lockfile))

except:

error('could not load %r' % Options.lockfile)

try:

os.stat(env['cwd'])

except:

candidate = cwd

else:

candidate = env['cwd']

break

cwd = os.path.dirname(cwd) # climb up

if not candidate:

# check if the user only wanted to display the help

if '-h' in sys.argv or '--help' in sys.argv:

warn('No wscript file found: the help message may be incomplete')

opt_obj = Options.Handler()

opt_obj.curdir = cwd

opt_obj.parse_args()

else:

error(msg1)

sys.exit(0)

# We have found wscript, but there is no guarantee that it is valid

try:

os.chdir(candidate)

except OSError:

raise Utils.WafError("the folder %r is unreadable" % candidate)

# define the main module containing the functions init, shutdown, ..

Utils.set_main_module(os.path.join(candidate, WSCRIPT_FILE))

if build_dir_override:

d = getattr(Utils.g_module, BLDDIR, None)

if d:

# test if user has set the blddir in wscript.

msg = ' Overriding build directory %s with %s' % (d, build_dir_override)

warn(msg)

Utils.g_module.blddir = build_dir_override

# bind a few methods and classes by default

def set_def(obj, name=''):

n = name or obj.__name__

if not n in Utils.g_module.__dict__:

setattr(Utils.g_module, n, obj)

for k in [dist, distclean, distcheck, clean, install, uninstall]:

set_def(k)

set_def(Configure.ConfigurationContext, 'configure_context')

for k in ['build', 'clean', 'install', 'uninstall']:

set_def(Build.BuildContext, k + '_context')

# now parse the options from the user wscript file

opt_obj = Options.Handler(Utils.g_module)

opt_obj.curdir = candidate

try:

f = Utils.g_module.set_options

except AttributeError:

pass

else:

opt_obj.sub_options([''])

opt_obj.parse_args()

if not 'init' in Utils.g_module.__dict__:

Utils.g_module.init = Utils.nada

if not 'shutdown' in Utils.g_module.__dict__:

Utils.g_module.shutdown = Utils.nada

main()

def prepare(t, cwd, ver, wafdir):

if WAFVERSION != ver:

msg = 'Version mismatch: waf %s <> wafadmin %s (wafdir %s)' % (ver, WAFVERSION, wafdir)

print('\033[91mError: %s\033[0m' % msg)

sys.exit(1)

#"""

try:

prepare_impl(t, cwd, ver, wafdir)

except Utils.WafError, e:

error(str(e))

sys.exit(1)

except KeyboardInterrupt:

Utils.pprint('RED', 'Interrupted')

sys.exit(68)

"""

import cProfile, pstats

cProfile.runctx("import Scripting; Scripting.prepare_impl(t, cwd, ver, wafdir)", {},

{'t': t, 'cwd':cwd, 'ver':ver, 'wafdir':wafdir},

'profi.txt')

p = pstats.Stats('profi.txt')

p.sort_stats('time').print_stats(45)

#"""

def main():

global commands

commands = Options.arg_line[:]

while commands:

x = commands.pop(0)

ini = datetime.datetime.now()

if x == 'configure':

fun = configure

elif x == 'build':

fun = build

else:

fun = getattr(Utils.g_module, x, None)

if not fun:

raise Utils.WscriptError('No such command %r' % x)

ctx = getattr(Utils.g_module, x + '_context', Utils.Context)()

if x in ['init', 'shutdown', 'dist', 'distclean', 'distcheck']:

# compatibility TODO remove in waf 1.6

try:

fun(ctx)

except TypeError:

fun()

else:

fun(ctx)

ela = ''

if not Options.options.progress_bar:

ela = ' (%s)' % Utils.get_elapsed_time(ini)

if x != 'init' and x != 'shutdown':

info('%r finished successfully%s' % (x, ela))

if not commands and x != 'shutdown':

commands.append('shutdown')

def configure(conf):

src = getattr(Options.options, SRCDIR, None)

if not src: src = getattr(Utils.g_module, SRCDIR, None)

if not src: src = getattr(Utils.g_module, 'top', None)

if not src:

src = '.'

incomplete_src = 1

src = os.path.abspath(src)

bld = getattr(Options.options, BLDDIR, None)

if not bld: bld = getattr(Utils.g_module, BLDDIR, None)

if not bld: bld = getattr(Utils.g_module, 'out', None)

if not bld:

bld = 'build'

incomplete_bld = 1

if bld == '.':

raise Utils.WafError('Setting blddir="." may cause distclean problems')

bld = os.path.abspath(bld)

try: os.makedirs(bld)

except OSError: pass

# It is not possible to compile specific targets in the configuration

# this may cause configuration errors if autoconfig is set

targets = Options.options.compile_targets

Options.options.compile_targets = None

Options.is_install = False

conf.srcdir = src

conf.blddir = bld

conf.post_init()

if 'incomplete_src' in vars():

conf.check_message_1('Setting srcdir to')

conf.check_message_2(src)

if 'incomplete_bld' in vars():

conf.check_message_1('Setting blddir to')

conf.check_message_2(bld)

# calling to main wscript's configure()

conf.sub_config([''])

conf.store()

# this will write a configure lock so that subsequent builds will

# consider the current path as the root directory (see prepare_impl).

# to remove: use 'waf distclean'

env = Environment.Environment()

env[BLDDIR] = bld

env[SRCDIR] = src

env['argv'] = sys.argv

env['commands'] = Options.commands

env['options'] = Options.options.__dict__

# conf.hash & conf.files hold wscript files paths and hash

# (used only by Configure.autoconfig)

env['hash'] = conf.hash

env['files'] = conf.files

env['environ'] = dict(conf.environ)

env['cwd'] = os.path.split(Utils.g_module.root_path)[0]

if Utils.g_module.root_path != src:

# in case the source dir is somewhere else

env.store(os.path.join(src, Options.lockfile))

env.store(Options.lockfile)

Options.options.compile_targets = targets

def clean(bld):

'''removes the build files'''

try:

proj = Environment.Environment(Options.lockfile)

except IOError:

raise Utils.WafError('Nothing to clean (project not configured)')

bld.load_dirs(proj[SRCDIR], proj[BLDDIR])

bld.load_envs()

bld.is_install = 0 # False

# read the scripts - and set the path to the wscript path (useful for srcdir='/foo/bar')

bld.add_subdirs([os.path.split(Utils.g_module.root_path)[0]])

try:

bld.clean()

finally:

bld.save()

def check_configured(bld):

if not Configure.autoconfig:

return bld

conf_cls = getattr(Utils.g_module, 'configure_context', Utils.Context)

bld_cls = getattr(Utils.g_module, 'build_context', Utils.Context)

def reconf(proj):

back = (Options.commands, Options.options.__dict__, Logs.zones, Logs.verbose)

Options.commands = proj['commands']

Options.options.__dict__ = proj['options']

conf = conf_cls()

conf.environ = proj['environ']

configure(conf)

(Options.commands, Options.options.__dict__, Logs.zones, Logs.verbose) = back

try:

proj = Environment.Environment(Options.lockfile)

except IOError:

conf = conf_cls()

configure(conf)

else:

try:

bld = bld_cls()

bld.load_dirs(proj[SRCDIR], proj[BLDDIR])

bld.load_envs()

except Utils.WafError:

reconf(proj)

return bld_cls()

try:

proj = Environment.Environment(Options.lockfile)

except IOError:

raise Utils.WafError('Auto-config: project does not configure (bug)')

h = 0

try:

for file in proj['files']:

if file.endswith('configure'):

h = hash((h, Utils.readf(file)))

else:

mod = Utils.load_module(file)

h = hash((h, mod.waf_hash_val))

except (OSError, IOError):

warn('Reconfiguring the project: a file is unavailable')

reconf(proj)

else:

if (h != proj['hash']):

warn('Reconfiguring the project: the configuration has changed')

reconf(proj)

return bld_cls()

def install(bld):

'''installs the build files'''

bld = check_configured(bld)

Options.commands['install'] = True

Options.commands['uninstall'] = False

Options.is_install = True

bld.is_install = INSTALL

build_impl(bld)

bld.install()

def uninstall(bld):

'''removes the installed files'''

Options.commands['install'] = False

Options.commands['uninstall'] = True

Options.is_install = True

bld.is_install = UNINSTALL

try:

def runnable_status(self):

return SKIP_ME

setattr(Task.Task, 'runnable_status_back', Task.Task.runnable_status)

setattr(Task.Task, 'runnable_status', runnable_status)

build_impl(bld)

bld.install()

finally:

setattr(Task.Task, 'runnable_status', Task.Task.runnable_status_back)

def build(bld):

bld = check_configured(bld)

Options.commands['install'] = False

Options.commands['uninstall'] = False

Options.is_install = False

bld.is_install = 0 # False

return build_impl(bld)

def build_impl(bld):

# compile the project and/or install the files

try:

proj = Environment.Environment(Options.lockfile)

except IOError:

raise Utils.WafError("Project not configured (run 'waf configure' first)")

bld.load_dirs(proj[SRCDIR], proj[BLDDIR])

bld.load_envs()

info("Waf: Entering directory `%s'" % bld.bldnode.abspath())

bld.add_subdirs([os.path.split(Utils.g_module.root_path)[0]])

# execute something immediately before the build starts

bld.pre_build()

try:

bld.compile()

finally:

if Options.options.progress_bar: print('')

info("Waf: Leaving directory `%s'" % bld.bldnode.abspath())

# execute something immediately after a successful build

bld.post_build()

bld.install()

excludes = '.bzr .bzrignore .git .gitignore .svn CVS .cvsignore .arch-ids {arch} SCCS BitKeeper .hg _MTN _darcs Makefile Makefile.in config.log .gitattributes .hgignore .hgtags'.split()

dist_exts = '~ .rej .orig .pyc .pyo .bak .tar.bz2 tar.gz .zip .swp'.split()

def dont_dist(name, src, build_dir):

global excludes, dist_exts

if (name.startswith(',,')

or name.startswith('++')

or name.startswith('.waf')

or (src == '.' and name == Options.lockfile)

or name in excludes

or name == build_dir

return True

for ext in dist_exts:

if name.endswith(ext):

return True

return False

# like shutil.copytree

# exclude files and to raise exceptions immediately

def copytree(src, dst, build_dir):

names = os.listdir(src)

os.makedirs(dst)

for name in names:

srcname = os.path.join(src, name)

dstname = os.path.join(dst, name)

if dont_dist(name, src, build_dir):

continue

if os.path.isdir(srcname):

copytree(srcname, dstname, build_dir)

else:

shutil.copy2(srcname, dstname)

# TODO in waf 1.6, change this method if "srcdir == blddir" is allowed

def distclean(ctx=None):

'''removes the build directory'''

global commands

lst = os.listdir('.')

for f in lst:

if f == Options.lockfile:

try:

proj = Environment.Environment(f)

except:

Logs.warn('could not read %r' % f)

continue

try:

shutil.rmtree(proj[BLDDIR])

except IOError:

pass

except OSError, e:

if e.errno != errno.ENOENT:

Logs.warn('project %r cannot be removed' % proj[BLDDIR])

try:

os.remove(f)

except OSError, e:

if e.errno != errno.ENOENT:

Logs.warn('file %r cannot be removed' % f)

# remove the local waf cache

if not commands and f.startswith('.waf'):

shutil.rmtree(f, ignore_errors=True)

# FIXME waf 1.6 a unique ctx parameter, and remove the optional appname and version

def dist(appname='', version=''):

'''makes a tarball for redistributing the sources'''

# return return (distdirname, tarballname)

import tarfile

if not appname: appname = Utils.g_module.APPNAME

if not version: version = Utils.g_module.VERSION

tmp_folder = appname + '-' + version

if g_gz in ['gz', 'bz2']:

arch_name = tmp_folder + '.tar.' + g_gz

else:

arch_name = tmp_folder + '.' + 'zip'

# remove the previous dir

try:

shutil.rmtree(tmp_folder)

except (OSError, IOError):

pass

# remove the previous archive

try:

os.remove(arch_name)

except (OSError, IOError):

pass

# copy the files into the temporary folder

blddir = getattr(Utils.g_module, BLDDIR, None)

if not blddir:

blddir = getattr(Utils.g_module, 'out', None)

copytree('.', tmp_folder, blddir)

# undocumented hook for additional cleanup

dist_hook = getattr(Utils.g_module, 'dist_hook', None)

if dist_hook:

back = os.getcwd()

os.chdir(tmp_folder)

try:

dist_hook()

finally:

# go back to the root directory

os.chdir(back)

if g_gz in ['gz', 'bz2']:

tar = tarfile.open(arch_name, 'w:' + g_gz)

tar.add(tmp_folder)

tar.close()

else:

Utils.zip_folder(tmp_folder, arch_name, tmp_folder)

try: from hashlib import sha1 as sha

except ImportError: from sha import sha

try:

digest = " (sha=%r)" % sha(Utils.readf(arch_name)).hexdigest()

except:

digest = ''

info('New archive created: %s%s' % (arch_name, digest))

if os.path.exists(tmp_folder): shutil.rmtree(tmp_folder)

return arch_name

# FIXME waf 1.6 a unique ctx parameter, and remove the optional appname and version

def distcheck(appname='', version='', subdir=''):

'''checks if the sources compile (tarball from 'dist')'''

import tempfile, tarfile

if not appname: appname = Utils.g_module.APPNAME

if not version: version = Utils.g_module.VERSION

waf = os.path.abspath(sys.argv[0])

tarball = dist(appname, version)

path = appname + '-' + version

# remove any previous instance

if os.path.exists(path):

shutil.rmtree(path)

t = tarfile.open(tarball)

for x in t: t.extract(x)

t.close()

# build_path is the directory for the waf invocation

if subdir:

build_path = os.path.join(path, subdir)

else:

build_path = path

instdir = tempfile.mkdtemp('.inst', '%s-%s' % (appname, version))

ret = Utils.pproc.Popen([waf, 'configure', 'build', 'install', 'uninstall', '--destdir=' + instdir], cwd=build_path).wait()

if ret:

raise Utils.WafError('distcheck failed with code %i' % ret)

if os.path.exists(instdir):

raise Utils.WafError('distcheck succeeded, but files were left in %s' % instdir)

shutil.rmtree(path)

# FIXME remove in Waf 1.6 (kept for compatibility)

def add_subdir(dir, bld):

bld.recurse(dir, 'build')

node/tools/wafadmin/Scripting.py at writev · codef0rmer/node · GitHub

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