2011-09-10 11:13:51 +02:00
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#!/usr/bin/env python
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# encoding: utf-8
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# Thomas Nagy, 2005-2010 (ita)
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"""
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Classes related to the build phase (build, clean, install, step, etc)
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The inheritance tree is the following:
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"""
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2014-06-28 17:08:01 +02:00
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import os, sys, errno, re, shutil, stat
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2012-02-11 14:31:00 +01:00
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try:
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import cPickle
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except ImportError:
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import pickle as cPickle
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2011-09-10 11:13:51 +02:00
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from waflib import Runner, TaskGen, Utils, ConfigSet, Task, Logs, Options, Context, Errors
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import waflib.Node
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CACHE_DIR = 'c4che'
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"""Location of the cache files"""
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CACHE_SUFFIX = '_cache.py'
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"""Suffix for the cache files"""
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INSTALL = 1337
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"""Positive value '->' install, see :py:attr:`waflib.Build.BuildContext.is_install`"""
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UNINSTALL = -1337
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"""Negative value '<-' uninstall, see :py:attr:`waflib.Build.BuildContext.is_install`"""
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SAVED_ATTRS = 'root node_deps raw_deps task_sigs'.split()
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"""Build class members to save between the runs (root, node_deps, raw_deps, task_sigs)"""
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CFG_FILES = 'cfg_files'
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"""Files from the build directory to hash before starting the build (``config.h`` written during the configuration)"""
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POST_AT_ONCE = 0
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"""Post mode: all task generators are posted before the build really starts"""
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POST_LAZY = 1
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"""Post mode: post the task generators group after group"""
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POST_BOTH = 2
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"""Post mode: post the task generators at once, then re-check them for each group"""
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class BuildContext(Context.Context):
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'''executes the build'''
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cmd = 'build'
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variant = ''
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def __init__(self, **kw):
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super(BuildContext, self).__init__(**kw)
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self.is_install = 0
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"""Non-zero value when installing or uninstalling file"""
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self.top_dir = kw.get('top_dir', Context.top_dir)
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self.run_dir = kw.get('run_dir', Context.run_dir)
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self.post_mode = POST_AT_ONCE
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"""post the task generators at once, group-by-group, or both"""
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# output directory - may be set until the nodes are considered
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self.out_dir = kw.get('out_dir', Context.out_dir)
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self.cache_dir = kw.get('cache_dir', None)
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if not self.cache_dir:
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2014-08-30 13:05:46 +02:00
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self.cache_dir = os.path.join(self.out_dir, CACHE_DIR)
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2011-09-10 11:13:51 +02:00
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# map names to environments, the '' must be defined
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self.all_envs = {}
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# ======================================= #
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# cache variables
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self.task_sigs = {}
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"""Signatures of the tasks (persists between build executions)"""
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self.node_deps = {}
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"""Dict of node dependencies found by :py:meth:`waflib.Task.Task.scan` (persists between build executions)"""
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self.raw_deps = {}
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"""Dict of custom data returned by :py:meth:`waflib.Task.Task.scan` (persists between build executions)"""
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# list of folders that are already scanned
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# so that we do not need to stat them one more time
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self.cache_dir_contents = {}
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self.task_gen_cache_names = {}
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self.launch_dir = Context.launch_dir
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self.jobs = Options.options.jobs
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self.targets = Options.options.targets
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self.keep = Options.options.keep
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self.progress_bar = Options.options.progress_bar
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############ stuff below has not been reviewed
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# Manual dependencies.
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self.deps_man = Utils.defaultdict(list)
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"""Manual dependencies set by :py:meth:`waflib.Build.BuildContext.add_manual_dependency`"""
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# just the structure here
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self.current_group = 0
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"""
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Current build group
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"""
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self.groups = []
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"""
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List containing lists of task generators
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"""
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self.group_names = {}
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"""
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Map group names to the group lists. See :py:meth:`waflib.Build.BuildContext.add_group`
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"""
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def get_variant_dir(self):
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"""Getter for the variant_dir attribute"""
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if not self.variant:
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return self.out_dir
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return os.path.join(self.out_dir, self.variant)
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variant_dir = property(get_variant_dir, None)
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def __call__(self, *k, **kw):
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"""
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Create a task generator and add it to the current build group. The following forms are equivalent::
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def build(bld):
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tg = bld(a=1, b=2)
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def build(bld):
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tg = bld()
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tg.a = 1
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tg.b = 2
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def build(bld):
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tg = TaskGen.task_gen(a=1, b=2)
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bld.add_to_group(tg, None)
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:param group: group name to add the task generator to
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:type group: string
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"""
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kw['bld'] = self
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ret = TaskGen.task_gen(*k, **kw)
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self.task_gen_cache_names = {} # reset the cache, each time
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self.add_to_group(ret, group=kw.get('group', None))
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return ret
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2014-01-16 02:03:53 +01:00
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2012-09-15 12:16:53 +02:00
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def rule(self, *k, **kw):
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2012-09-13 16:01:58 +02:00
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"""
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2013-05-25 22:49:22 +02:00
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Wrapper for creating a task generator using the decorator notation. The following code::
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2012-09-13 16:01:58 +02:00
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2012-09-15 12:53:47 +02:00
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@bld.rule(
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2012-09-13 16:01:58 +02:00
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target = "foo"
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)
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def _(tsk):
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2012-09-15 12:16:53 +02:00
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print("bar")
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2012-09-13 16:01:58 +02:00
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2013-05-25 22:49:22 +02:00
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is equivalent to::
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2012-09-13 16:01:58 +02:00
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def bar(tsk):
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2012-09-15 12:16:53 +02:00
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print("bar")
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2012-09-13 16:01:58 +02:00
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bld(
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target = "foo",
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rule = bar,
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)
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"""
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2012-09-17 23:30:22 +02:00
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def f(rule):
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2012-10-02 03:43:58 +02:00
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ret = self(*k, **kw)
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ret.rule = rule
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return ret
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2012-09-17 23:30:22 +02:00
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return f
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2011-09-10 11:13:51 +02:00
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def __copy__(self):
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"""Implemented to prevents copies of build contexts (raises an exception)"""
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raise Errors.WafError('build contexts are not supposed to be copied')
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def install_files(self, *k, **kw):
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"""Actual implementation provided by :py:meth:`waflib.Build.InstallContext.install_files`"""
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pass
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def install_as(self, *k, **kw):
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"""Actual implementation provided by :py:meth:`waflib.Build.InstallContext.install_as`"""
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pass
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def symlink_as(self, *k, **kw):
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"""Actual implementation provided by :py:meth:`waflib.Build.InstallContext.symlink_as`"""
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pass
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def load_envs(self):
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"""
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The configuration command creates files of the form ``build/c4che/NAMEcache.py``. This method
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creates a :py:class:`waflib.ConfigSet.ConfigSet` instance for each ``NAME`` by reading those
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files. The config sets are then stored in the dict :py:attr:`waflib.Build.BuildContext.allenvs`.
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"""
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2011-10-16 08:41:21 +02:00
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node = self.root.find_node(self.cache_dir)
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if not node:
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raise Errors.WafError('The project was not configured: run "waf configure" first!')
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2011-12-02 19:13:30 +01:00
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lst = node.ant_glob('**/*%s' % CACHE_SUFFIX, quiet=True)
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2011-09-10 11:13:51 +02:00
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if not lst:
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raise Errors.WafError('The cache directory is empty: reconfigure the project')
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2011-10-16 08:41:21 +02:00
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for x in lst:
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name = x.path_from(node).replace(CACHE_SUFFIX, '').replace('\\', '/')
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env = ConfigSet.ConfigSet(x.abspath())
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self.all_envs[name] = env
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for f in env[CFG_FILES]:
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newnode = self.root.find_resource(f)
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try:
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h = Utils.h_file(newnode.abspath())
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except (IOError, AttributeError):
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Logs.error('cannot find %r' % f)
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h = Utils.SIG_NIL
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newnode.sig = h
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2011-09-10 11:13:51 +02:00
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def init_dirs(self):
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"""
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Initialize the project directory and the build directory by creating the nodes
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:py:attr:`waflib.Build.BuildContext.srcnode` and :py:attr:`waflib.Build.BuildContext.bldnode`
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corresponding to ``top_dir`` and ``variant_dir`` respectively. The ``bldnode`` directory will be
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created if it does not exist.
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"""
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if not (os.path.isabs(self.top_dir) and os.path.isabs(self.out_dir)):
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raise Errors.WafError('The project was not configured: run "waf configure" first!')
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self.path = self.srcnode = self.root.find_dir(self.top_dir)
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self.bldnode = self.root.make_node(self.variant_dir)
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self.bldnode.mkdir()
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def execute(self):
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"""
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Restore the data from previous builds and call :py:meth:`waflib.Build.BuildContext.execute_build`. Overrides from :py:func:`waflib.Context.Context.execute`
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"""
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self.restore()
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if not self.all_envs:
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self.load_envs()
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self.execute_build()
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def execute_build(self):
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"""
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Execute the build by:
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* reading the scripts (see :py:meth:`waflib.Context.Context.recurse`)
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* calling :py:meth:`waflib.Build.BuildContext.pre_build` to call user build functions
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* calling :py:meth:`waflib.Build.BuildContext.compile` to process the tasks
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* calling :py:meth:`waflib.Build.BuildContext.post_build` to call user build functions
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"""
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Logs.info("Waf: Entering directory `%s'" % self.variant_dir)
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self.recurse([self.run_dir])
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self.pre_build()
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# display the time elapsed in the progress bar
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self.timer = Utils.Timer()
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try:
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self.compile()
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finally:
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2014-01-23 22:22:15 +01:00
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if self.progress_bar == 1 and sys.stderr.isatty():
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2011-09-10 11:13:51 +02:00
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c = len(self.returned_tasks) or 1
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2014-01-16 02:03:53 +01:00
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m = self.progress_line(c, c, Logs.colors.BLUE, Logs.colors.NORMAL)
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Logs.info(m, extra={'stream': sys.stderr, 'c1': Logs.colors.cursor_off, 'c2' : Logs.colors.cursor_on})
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2011-09-10 11:13:51 +02:00
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Logs.info("Waf: Leaving directory `%s'" % self.variant_dir)
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self.post_build()
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def restore(self):
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"""
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Load the data from a previous run, sets the attributes listed in :py:const:`waflib.Build.SAVED_ATTRS`
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"""
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try:
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env = ConfigSet.ConfigSet(os.path.join(self.cache_dir, 'build.config.py'))
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except (IOError, OSError):
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pass
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else:
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if env['version'] < Context.HEXVERSION:
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raise Errors.WafError('Version mismatch! reconfigure the project')
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for t in env['tools']:
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self.setup(**t)
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2013-03-14 13:45:10 +01:00
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dbfn = os.path.join(self.variant_dir, Context.DBFILE)
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2011-09-10 11:13:51 +02:00
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try:
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2013-03-14 13:45:10 +01:00
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data = Utils.readf(dbfn, 'rb')
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except (IOError, EOFError):
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# handle missing file/empty file
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Logs.debug('build: Could not load the build cache %s (missing)' % dbfn)
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else:
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2011-09-10 11:13:51 +02:00
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try:
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2013-03-14 13:45:10 +01:00
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waflib.Node.pickle_lock.acquire()
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waflib.Node.Nod3 = self.node_class
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2011-09-10 11:13:51 +02:00
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try:
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2013-03-14 13:45:10 +01:00
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data = cPickle.loads(data)
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except Exception as e:
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Logs.debug('build: Could not pickle the build cache %s: %r' % (dbfn, e))
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else:
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for x in SAVED_ATTRS:
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setattr(self, x, data[x])
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finally:
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waflib.Node.pickle_lock.release()
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2011-09-10 11:13:51 +02:00
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self.init_dirs()
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def store(self):
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"""
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Store the data for next runs, sets the attributes listed in :py:const:`waflib.Build.SAVED_ATTRS`. Uses a temporary
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file to avoid problems on ctrl+c.
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"""
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data = {}
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for x in SAVED_ATTRS:
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data[x] = getattr(self, x)
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db = os.path.join(self.variant_dir, Context.DBFILE)
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try:
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waflib.Node.pickle_lock.acquire()
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waflib.Node.Nod3 = self.node_class
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2013-03-14 13:45:10 +01:00
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x = cPickle.dumps(data, -1)
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2011-09-10 11:13:51 +02:00
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finally:
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waflib.Node.pickle_lock.release()
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2013-03-14 13:45:10 +01:00
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Utils.writef(db + '.tmp', x, m='wb')
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2011-09-10 11:13:51 +02:00
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try:
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st = os.stat(db)
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2013-05-18 19:51:45 +02:00
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os.remove(db)
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2011-09-10 11:13:51 +02:00
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if not Utils.is_win32: # win32 has no chown but we're paranoid
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os.chown(db + '.tmp', st.st_uid, st.st_gid)
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except (AttributeError, OSError):
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|
|
|
pass
|
|
|
|
|
|
|
|
# do not use shutil.move (copy is not thread-safe)
|
|
|
|
os.rename(db + '.tmp', db)
|
|
|
|
|
|
|
|
def compile(self):
|
|
|
|
"""
|
|
|
|
Run the build by creating an instance of :py:class:`waflib.Runner.Parallel`
|
|
|
|
The cache file is not written if the build is up to date (no task executed).
|
|
|
|
"""
|
|
|
|
Logs.debug('build: compile()')
|
|
|
|
|
|
|
|
# use another object to perform the producer-consumer logic (reduce the complexity)
|
|
|
|
self.producer = Runner.Parallel(self, self.jobs)
|
|
|
|
self.producer.biter = self.get_build_iterator()
|
|
|
|
self.returned_tasks = [] # not part of the API yet
|
|
|
|
try:
|
|
|
|
self.producer.start()
|
|
|
|
except KeyboardInterrupt:
|
|
|
|
self.store()
|
|
|
|
raise
|
|
|
|
else:
|
|
|
|
if self.producer.dirty:
|
|
|
|
self.store()
|
|
|
|
|
|
|
|
if self.producer.error:
|
|
|
|
raise Errors.BuildError(self.producer.error)
|
|
|
|
|
|
|
|
def setup(self, tool, tooldir=None, funs=None):
|
|
|
|
"""
|
|
|
|
Import waf tools, used to import those accessed during the configuration::
|
|
|
|
|
|
|
|
def configure(conf):
|
|
|
|
conf.load('glib2')
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
pass # glib2 is imported implicitly
|
|
|
|
|
|
|
|
:param tool: tool list
|
|
|
|
:type tool: list
|
|
|
|
:param tooldir: optional tool directory (sys.path)
|
|
|
|
:type tooldir: list of string
|
|
|
|
:param funs: unused variable
|
|
|
|
"""
|
|
|
|
if isinstance(tool, list):
|
|
|
|
for i in tool: self.setup(i, tooldir)
|
|
|
|
return
|
|
|
|
|
|
|
|
module = Context.load_tool(tool, tooldir)
|
|
|
|
if hasattr(module, "setup"): module.setup(self)
|
|
|
|
|
|
|
|
def get_env(self):
|
|
|
|
"""Getter for the env property"""
|
|
|
|
try:
|
|
|
|
return self.all_envs[self.variant]
|
|
|
|
except KeyError:
|
|
|
|
return self.all_envs['']
|
|
|
|
def set_env(self, val):
|
|
|
|
"""Setter for the env property"""
|
|
|
|
self.all_envs[self.variant] = val
|
|
|
|
|
|
|
|
env = property(get_env, set_env)
|
|
|
|
|
|
|
|
def add_manual_dependency(self, path, value):
|
|
|
|
"""
|
|
|
|
Adds a dependency from a node object to a value::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.add_manual_dependency(
|
|
|
|
bld.path.find_resource('wscript'),
|
|
|
|
bld.root.find_resource('/etc/fstab'))
|
|
|
|
|
|
|
|
:param path: file path
|
|
|
|
:type path: string or :py:class:`waflib.Node.Node`
|
|
|
|
:param value: value to depend on
|
|
|
|
:type value: :py:class:`waflib.Node.Node`, string, or function returning a string
|
|
|
|
"""
|
2012-03-24 11:37:48 +01:00
|
|
|
if path is None:
|
|
|
|
raise ValueError('Invalid input')
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
if isinstance(path, waflib.Node.Node):
|
|
|
|
node = path
|
|
|
|
elif os.path.isabs(path):
|
|
|
|
node = self.root.find_resource(path)
|
|
|
|
else:
|
|
|
|
node = self.path.find_resource(path)
|
2012-03-24 11:37:48 +01:00
|
|
|
|
|
|
|
if isinstance(value, list):
|
|
|
|
self.deps_man[id(node)].extend(value)
|
|
|
|
else:
|
|
|
|
self.deps_man[id(node)].append(value)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
def launch_node(self):
|
|
|
|
"""Returns the launch directory as a :py:class:`waflib.Node.Node` object"""
|
|
|
|
try:
|
|
|
|
# private cache
|
|
|
|
return self.p_ln
|
|
|
|
except AttributeError:
|
|
|
|
self.p_ln = self.root.find_dir(self.launch_dir)
|
|
|
|
return self.p_ln
|
|
|
|
|
|
|
|
def hash_env_vars(self, env, vars_lst):
|
|
|
|
"""
|
|
|
|
Hash configuration set variables::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.hash_env_vars(bld.env, ['CXX', 'CC'])
|
|
|
|
|
|
|
|
:param env: Configuration Set
|
|
|
|
:type env: :py:class:`waflib.ConfigSet.ConfigSet`
|
|
|
|
:param vars_lst: list of variables
|
|
|
|
:type vars_list: list of string
|
|
|
|
"""
|
|
|
|
|
|
|
|
if not env.table:
|
|
|
|
env = env.parent
|
|
|
|
if not env:
|
|
|
|
return Utils.SIG_NIL
|
|
|
|
|
|
|
|
idx = str(id(env)) + str(vars_lst)
|
|
|
|
try:
|
|
|
|
cache = self.cache_env
|
|
|
|
except AttributeError:
|
|
|
|
cache = self.cache_env = {}
|
|
|
|
else:
|
|
|
|
try:
|
|
|
|
return self.cache_env[idx]
|
|
|
|
except KeyError:
|
|
|
|
pass
|
|
|
|
|
|
|
|
lst = [env[a] for a in vars_lst]
|
|
|
|
ret = Utils.h_list(lst)
|
|
|
|
Logs.debug('envhash: %s %r', Utils.to_hex(ret), lst)
|
|
|
|
|
|
|
|
cache[idx] = ret
|
|
|
|
|
|
|
|
return ret
|
|
|
|
|
|
|
|
def get_tgen_by_name(self, name):
|
|
|
|
"""
|
|
|
|
Retrieves a task generator from its name or its target name
|
|
|
|
the name must be unique::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
tg = bld(name='foo')
|
|
|
|
tg == bld.get_tgen_by_name('foo')
|
|
|
|
"""
|
|
|
|
cache = self.task_gen_cache_names
|
|
|
|
if not cache:
|
|
|
|
# create the index lazily
|
|
|
|
for g in self.groups:
|
|
|
|
for tg in g:
|
|
|
|
try:
|
|
|
|
cache[tg.name] = tg
|
|
|
|
except AttributeError:
|
|
|
|
# raised if not a task generator, which should be uncommon
|
|
|
|
pass
|
|
|
|
try:
|
|
|
|
return cache[name]
|
|
|
|
except KeyError:
|
|
|
|
raise Errors.WafError('Could not find a task generator for the name %r' % name)
|
|
|
|
|
|
|
|
def progress_line(self, state, total, col1, col2):
|
|
|
|
"""
|
|
|
|
Compute the progress bar used by ``waf -p``
|
|
|
|
"""
|
2014-01-14 02:31:08 +01:00
|
|
|
if not sys.stderr.isatty():
|
|
|
|
return ''
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
n = len(str(total))
|
|
|
|
|
|
|
|
Utils.rot_idx += 1
|
|
|
|
ind = Utils.rot_chr[Utils.rot_idx % 4]
|
|
|
|
|
|
|
|
pc = (100.*state)/total
|
|
|
|
eta = str(self.timer)
|
|
|
|
fs = "[%%%dd/%%%dd][%%s%%2d%%%%%%s][%s][" % (n, n, ind)
|
|
|
|
left = fs % (state, total, col1, pc, col2)
|
|
|
|
right = '][%s%s%s]' % (col1, eta, col2)
|
|
|
|
|
|
|
|
cols = Logs.get_term_cols() - len(left) - len(right) + 2*len(col1) + 2*len(col2)
|
|
|
|
if cols < 7: cols = 7
|
|
|
|
|
|
|
|
ratio = ((cols*state)//total) - 1
|
|
|
|
|
|
|
|
bar = ('='*ratio+'>').ljust(cols)
|
2014-01-16 02:03:53 +01:00
|
|
|
msg = Logs.indicator % (left, bar, right)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
return msg
|
|
|
|
|
|
|
|
def declare_chain(self, *k, **kw):
|
|
|
|
"""
|
|
|
|
Wrapper for :py:func:`waflib.TaskGen.declare_chain` provided for convenience
|
|
|
|
"""
|
|
|
|
return TaskGen.declare_chain(*k, **kw)
|
|
|
|
|
|
|
|
def pre_build(self):
|
|
|
|
"""Execute user-defined methods before the build starts, see :py:meth:`waflib.Build.BuildContext.add_pre_fun`"""
|
|
|
|
for m in getattr(self, 'pre_funs', []):
|
|
|
|
m(self)
|
|
|
|
|
|
|
|
def post_build(self):
|
|
|
|
"""Executes the user-defined methods after the build is successful, see :py:meth:`waflib.Build.BuildContext.add_post_fun`"""
|
|
|
|
for m in getattr(self, 'post_funs', []):
|
|
|
|
m(self)
|
|
|
|
|
|
|
|
def add_pre_fun(self, meth):
|
|
|
|
"""
|
|
|
|
Bind a method to execute after the scripts are read and before the build starts::
|
|
|
|
|
|
|
|
def mycallback(bld):
|
|
|
|
print("Hello, world!")
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.add_pre_fun(mycallback)
|
|
|
|
"""
|
|
|
|
try:
|
|
|
|
self.pre_funs.append(meth)
|
|
|
|
except AttributeError:
|
|
|
|
self.pre_funs = [meth]
|
|
|
|
|
|
|
|
def add_post_fun(self, meth):
|
|
|
|
"""
|
|
|
|
Bind a method to execute immediately after the build is successful::
|
|
|
|
|
|
|
|
def call_ldconfig(bld):
|
|
|
|
bld.exec_command('/sbin/ldconfig')
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
if bld.cmd == 'install':
|
|
|
|
bld.add_pre_fun(call_ldconfig)
|
|
|
|
"""
|
|
|
|
try:
|
|
|
|
self.post_funs.append(meth)
|
|
|
|
except AttributeError:
|
|
|
|
self.post_funs = [meth]
|
|
|
|
|
|
|
|
def get_group(self, x):
|
|
|
|
"""
|
|
|
|
Get the group x, or return the current group if x is None
|
|
|
|
|
|
|
|
:param x: name or number or None
|
|
|
|
:type x: string, int or None
|
|
|
|
"""
|
|
|
|
if not self.groups:
|
|
|
|
self.add_group()
|
|
|
|
if x is None:
|
|
|
|
return self.groups[self.current_group]
|
|
|
|
if x in self.group_names:
|
|
|
|
return self.group_names[x]
|
|
|
|
return self.groups[x]
|
|
|
|
|
|
|
|
def add_to_group(self, tgen, group=None):
|
|
|
|
"""add a task or a task generator for the build"""
|
|
|
|
# paranoid
|
|
|
|
assert(isinstance(tgen, TaskGen.task_gen) or isinstance(tgen, Task.TaskBase))
|
|
|
|
tgen.bld = self
|
|
|
|
self.get_group(group).append(tgen)
|
|
|
|
|
|
|
|
def get_group_name(self, g):
|
|
|
|
"""name for the group g (utility)"""
|
|
|
|
if not isinstance(g, list):
|
|
|
|
g = self.groups[g]
|
|
|
|
for x in self.group_names:
|
|
|
|
if id(self.group_names[x]) == id(g):
|
|
|
|
return x
|
|
|
|
return ''
|
|
|
|
|
|
|
|
def get_group_idx(self, tg):
|
|
|
|
"""
|
|
|
|
Index of the group containing the task generator given as argument::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
tg = bld(name='nada')
|
|
|
|
0 == bld.get_group_idx(tg)
|
|
|
|
|
|
|
|
:param tg: Task generator object
|
|
|
|
:type tg: :py:class:`waflib.TaskGen.task_gen`
|
|
|
|
"""
|
|
|
|
se = id(tg)
|
|
|
|
for i in range(len(self.groups)):
|
|
|
|
for t in self.groups[i]:
|
|
|
|
if id(t) == se:
|
|
|
|
return i
|
|
|
|
return None
|
|
|
|
|
|
|
|
def add_group(self, name=None, move=True):
|
|
|
|
"""
|
|
|
|
Add a new group of tasks/task generators. By default the new group becomes the default group for new task generators.
|
|
|
|
|
|
|
|
:param name: name for this group
|
|
|
|
:type name: string
|
|
|
|
:param move: set the group created as default group (True by default)
|
|
|
|
:type move: bool
|
|
|
|
"""
|
|
|
|
#if self.groups and not self.groups[0].tasks:
|
|
|
|
# error('add_group: an empty group is already present')
|
|
|
|
if name and name in self.group_names:
|
|
|
|
Logs.error('add_group: name %s already present' % name)
|
|
|
|
g = []
|
|
|
|
self.group_names[name] = g
|
|
|
|
self.groups.append(g)
|
|
|
|
if move:
|
|
|
|
self.current_group = len(self.groups) - 1
|
|
|
|
|
|
|
|
def set_group(self, idx):
|
|
|
|
"""
|
|
|
|
Set the current group to be idx: now new task generators will be added to this group by default::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld(rule='touch ${TGT}', target='foo.txt')
|
|
|
|
bld.add_group() # now the current group is 1
|
|
|
|
bld(rule='touch ${TGT}', target='bar.txt')
|
|
|
|
bld.set_group(0) # now the current group is 0
|
|
|
|
bld(rule='touch ${TGT}', target='truc.txt') # build truc.txt before bar.txt
|
|
|
|
|
|
|
|
:param idx: group name or group index
|
|
|
|
:type idx: string or int
|
|
|
|
"""
|
|
|
|
if isinstance(idx, str):
|
|
|
|
g = self.group_names[idx]
|
|
|
|
for i in range(len(self.groups)):
|
|
|
|
if id(g) == id(self.groups[i]):
|
|
|
|
self.current_group = i
|
|
|
|
else:
|
|
|
|
self.current_group = idx
|
|
|
|
|
|
|
|
def total(self):
|
|
|
|
"""
|
|
|
|
Approximate task count: this value may be inaccurate if task generators are posted lazily (see :py:attr:`waflib.Build.BuildContext.post_mode`).
|
|
|
|
The value :py:attr:`waflib.Runner.Parallel.total` is updated during the task execution.
|
|
|
|
"""
|
|
|
|
total = 0
|
|
|
|
for group in self.groups:
|
|
|
|
for tg in group:
|
|
|
|
try:
|
|
|
|
total += len(tg.tasks)
|
|
|
|
except AttributeError:
|
|
|
|
total += 1
|
|
|
|
return total
|
|
|
|
|
|
|
|
def get_targets(self):
|
|
|
|
"""
|
|
|
|
Return the task generator corresponding to the 'targets' list, used by :py:meth:`waflib.Build.BuildContext.get_build_iterator`::
|
|
|
|
|
|
|
|
$ waf --targets=myprogram,myshlib
|
|
|
|
"""
|
|
|
|
to_post = []
|
|
|
|
min_grp = 0
|
|
|
|
for name in self.targets.split(','):
|
|
|
|
tg = self.get_tgen_by_name(name)
|
|
|
|
if not tg:
|
|
|
|
raise Errors.WafError('target %r does not exist' % name)
|
|
|
|
|
|
|
|
m = self.get_group_idx(tg)
|
|
|
|
if m > min_grp:
|
|
|
|
min_grp = m
|
|
|
|
to_post = [tg]
|
|
|
|
elif m == min_grp:
|
|
|
|
to_post.append(tg)
|
|
|
|
return (min_grp, to_post)
|
|
|
|
|
2012-04-13 01:24:43 +02:00
|
|
|
def get_all_task_gen(self):
|
|
|
|
"""
|
|
|
|
Utility method, returns a list of all task generators - if you need something more complicated, implement your own
|
|
|
|
"""
|
|
|
|
lst = []
|
|
|
|
for g in self.groups:
|
|
|
|
lst.extend(g)
|
|
|
|
return lst
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
def post_group(self):
|
|
|
|
"""
|
|
|
|
Post the task generators from the group indexed by self.cur, used by :py:meth:`waflib.Build.BuildContext.get_build_iterator`
|
|
|
|
"""
|
|
|
|
if self.targets == '*':
|
|
|
|
for tg in self.groups[self.cur]:
|
|
|
|
try:
|
|
|
|
f = tg.post
|
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
f()
|
|
|
|
elif self.targets:
|
|
|
|
if self.cur < self._min_grp:
|
|
|
|
for tg in self.groups[self.cur]:
|
|
|
|
try:
|
|
|
|
f = tg.post
|
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
f()
|
|
|
|
else:
|
|
|
|
for tg in self._exact_tg:
|
|
|
|
tg.post()
|
|
|
|
else:
|
|
|
|
ln = self.launch_node()
|
2012-04-07 09:59:05 +02:00
|
|
|
if ln.is_child_of(self.bldnode):
|
|
|
|
Logs.warn('Building from the build directory, forcing --targets=*')
|
2012-04-12 08:30:45 +02:00
|
|
|
ln = self.srcnode
|
2012-04-07 09:59:05 +02:00
|
|
|
elif not ln.is_child_of(self.srcnode):
|
|
|
|
Logs.warn('CWD %s is not under %s, forcing --targets=* (run distclean?)' % (ln.abspath(), self.srcnode.abspath()))
|
|
|
|
ln = self.srcnode
|
2011-09-10 11:13:51 +02:00
|
|
|
for tg in self.groups[self.cur]:
|
|
|
|
try:
|
|
|
|
f = tg.post
|
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
if tg.path.is_child_of(ln):
|
|
|
|
f()
|
|
|
|
|
|
|
|
def get_tasks_group(self, idx):
|
|
|
|
"""
|
|
|
|
Return all the tasks for the group of num idx, used by :py:meth:`waflib.Build.BuildContext.get_build_iterator`
|
|
|
|
"""
|
|
|
|
tasks = []
|
|
|
|
for tg in self.groups[idx]:
|
2012-04-07 10:54:40 +02:00
|
|
|
try:
|
2011-09-10 11:13:51 +02:00
|
|
|
tasks.extend(tg.tasks)
|
2012-04-07 10:54:40 +02:00
|
|
|
except AttributeError: # not a task generator, can be the case for installation tasks
|
|
|
|
tasks.append(tg)
|
2011-09-10 11:13:51 +02:00
|
|
|
return tasks
|
|
|
|
|
|
|
|
def get_build_iterator(self):
|
|
|
|
"""
|
|
|
|
Creates a generator object that returns lists of tasks executable in parallel (yield)
|
|
|
|
|
|
|
|
:return: tasks which can be executed immediatly
|
|
|
|
:rtype: list of :py:class:`waflib.Task.TaskBase`
|
|
|
|
"""
|
|
|
|
self.cur = 0
|
|
|
|
|
|
|
|
if self.targets and self.targets != '*':
|
|
|
|
(self._min_grp, self._exact_tg) = self.get_targets()
|
|
|
|
|
|
|
|
global lazy_post
|
|
|
|
if self.post_mode != POST_LAZY:
|
|
|
|
while self.cur < len(self.groups):
|
|
|
|
self.post_group()
|
|
|
|
self.cur += 1
|
|
|
|
self.cur = 0
|
|
|
|
|
|
|
|
while self.cur < len(self.groups):
|
|
|
|
# first post the task generators for the group
|
|
|
|
if self.post_mode != POST_AT_ONCE:
|
|
|
|
self.post_group()
|
|
|
|
|
|
|
|
# then extract the tasks
|
|
|
|
tasks = self.get_tasks_group(self.cur)
|
|
|
|
# if the constraints are set properly (ext_in/ext_out, before/after)
|
|
|
|
# the call to set_file_constraints may be removed (can be a 15% penalty on no-op rebuilds)
|
|
|
|
# (but leave set_file_constraints for the installation step)
|
|
|
|
#
|
|
|
|
# if the tasks have only files, set_file_constraints is required but set_precedence_constraints is not necessary
|
|
|
|
#
|
|
|
|
Task.set_file_constraints(tasks)
|
|
|
|
Task.set_precedence_constraints(tasks)
|
|
|
|
|
|
|
|
self.cur_tasks = tasks
|
|
|
|
self.cur += 1
|
|
|
|
if not tasks: # return something else the build will stop
|
|
|
|
continue
|
|
|
|
yield tasks
|
|
|
|
while 1:
|
|
|
|
yield []
|
|
|
|
|
|
|
|
class inst(Task.Task):
|
|
|
|
"""
|
2012-09-15 12:16:53 +02:00
|
|
|
Special task used for installing files and symlinks, it behaves both like a task
|
2011-09-10 11:13:51 +02:00
|
|
|
and like a task generator
|
|
|
|
"""
|
|
|
|
color = 'CYAN'
|
|
|
|
|
2012-02-25 16:47:30 +01:00
|
|
|
def uid(self):
|
|
|
|
lst = [self.dest, self.path] + self.source
|
|
|
|
return Utils.h_list(repr(lst))
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
def post(self):
|
|
|
|
"""
|
|
|
|
Same interface as in :py:meth:`waflib.TaskGen.task_gen.post`
|
|
|
|
"""
|
|
|
|
buf = []
|
|
|
|
for x in self.source:
|
|
|
|
if isinstance(x, waflib.Node.Node):
|
|
|
|
y = x
|
|
|
|
else:
|
|
|
|
y = self.path.find_resource(x)
|
|
|
|
if not y:
|
2011-11-18 00:33:25 +01:00
|
|
|
if Logs.verbose:
|
|
|
|
Logs.warn('Could not find %s immediately (may cause broken builds)' % x)
|
2011-09-10 11:13:51 +02:00
|
|
|
idx = self.generator.bld.get_group_idx(self)
|
|
|
|
for tg in self.generator.bld.groups[idx]:
|
|
|
|
if not isinstance(tg, inst) and id(tg) != id(self):
|
|
|
|
tg.post()
|
|
|
|
y = self.path.find_resource(x)
|
|
|
|
if y:
|
|
|
|
break
|
|
|
|
else:
|
2012-09-15 12:53:47 +02:00
|
|
|
raise Errors.WafError('Could not find %r in %r' % (x, self.path))
|
2011-09-10 11:13:51 +02:00
|
|
|
buf.append(y)
|
|
|
|
self.inputs = buf
|
|
|
|
|
|
|
|
def runnable_status(self):
|
|
|
|
"""
|
|
|
|
Installation tasks are always executed, so this method returns either :py:const:`waflib.Task.ASK_LATER` or :py:const:`waflib.Task.RUN_ME`.
|
|
|
|
"""
|
|
|
|
ret = super(inst, self).runnable_status()
|
|
|
|
if ret == Task.SKIP_ME:
|
|
|
|
return Task.RUN_ME
|
|
|
|
return ret
|
|
|
|
|
|
|
|
def __str__(self):
|
|
|
|
"""Return an empty string to disable the display"""
|
|
|
|
return ''
|
|
|
|
|
|
|
|
def run(self):
|
|
|
|
"""The attribute 'exec_task' holds the method to execute"""
|
|
|
|
return self.generator.exec_task()
|
|
|
|
|
|
|
|
def get_install_path(self, destdir=True):
|
|
|
|
"""
|
|
|
|
Installation path obtained from ``self.dest`` and prefixed by the destdir.
|
|
|
|
The variables such as '${PREFIX}/bin' are substituted.
|
|
|
|
"""
|
|
|
|
dest = Utils.subst_vars(self.dest, self.env)
|
|
|
|
dest = dest.replace('/', os.sep)
|
|
|
|
if destdir and Options.options.destdir:
|
|
|
|
dest = os.path.join(Options.options.destdir, os.path.splitdrive(dest)[1].lstrip(os.sep))
|
|
|
|
return dest
|
|
|
|
|
|
|
|
def exec_install_files(self):
|
|
|
|
"""
|
|
|
|
Predefined method for installing files
|
|
|
|
"""
|
|
|
|
destpath = self.get_install_path()
|
|
|
|
if not destpath:
|
|
|
|
raise Errors.WafError('unknown installation path %r' % self.generator)
|
|
|
|
for x, y in zip(self.source, self.inputs):
|
|
|
|
if self.relative_trick:
|
|
|
|
destfile = os.path.join(destpath, y.path_from(self.path))
|
|
|
|
else:
|
|
|
|
destfile = os.path.join(destpath, y.name)
|
2014-02-17 00:26:58 +01:00
|
|
|
self.generator.bld.do_install(y.abspath(), destfile, chmod=self.chmod, tsk=self)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
def exec_install_as(self):
|
|
|
|
"""
|
|
|
|
Predefined method for installing one file with a given name
|
|
|
|
"""
|
|
|
|
destfile = self.get_install_path()
|
2014-02-17 00:26:58 +01:00
|
|
|
self.generator.bld.do_install(self.inputs[0].abspath(), destfile, chmod=self.chmod, tsk=self)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
def exec_symlink_as(self):
|
|
|
|
"""
|
|
|
|
Predefined method for installing a symlink
|
|
|
|
"""
|
|
|
|
destfile = self.get_install_path()
|
2012-12-15 00:32:20 +01:00
|
|
|
src = self.link
|
|
|
|
if self.relative_trick:
|
|
|
|
src = os.path.relpath(src, os.path.dirname(destfile))
|
2014-02-17 00:26:58 +01:00
|
|
|
self.generator.bld.do_link(src, destfile, tsk=self)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
class InstallContext(BuildContext):
|
|
|
|
'''installs the targets on the system'''
|
|
|
|
cmd = 'install'
|
|
|
|
|
|
|
|
def __init__(self, **kw):
|
|
|
|
super(InstallContext, self).__init__(**kw)
|
|
|
|
|
|
|
|
# list of targets to uninstall for removing the empty folders after uninstalling
|
|
|
|
self.uninstall = []
|
|
|
|
self.is_install = INSTALL
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def copy_fun(self, src, tgt, **kw):
|
|
|
|
# override this if you want to strip executables
|
|
|
|
# kw['tsk'].source is the task that created the files in the build
|
2014-08-04 15:17:28 +02:00
|
|
|
if Utils.is_win32 and len(tgt) > 259 and not tgt.startswith('\\\\?\\'):
|
|
|
|
tgt = '\\\\?\\' + tgt
|
2014-02-17 00:26:58 +01:00
|
|
|
shutil.copy2(src, tgt)
|
|
|
|
os.chmod(tgt, kw.get('chmod', Utils.O644))
|
|
|
|
|
|
|
|
def do_install(self, src, tgt, **kw):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
Copy a file from src to tgt with given file permissions. The actual copy is not performed
|
|
|
|
if the source and target file have the same size and the same timestamps. When the copy occurs,
|
|
|
|
the file is first removed and then copied (prevent stale inodes).
|
|
|
|
|
|
|
|
This method is overridden in :py:meth:`waflib.Build.UninstallContext.do_install` to remove the file.
|
|
|
|
|
|
|
|
:param src: file name as absolute path
|
|
|
|
:type src: string
|
|
|
|
:param tgt: file destination, as absolute path
|
|
|
|
:type tgt: string
|
|
|
|
:param chmod: installation mode
|
|
|
|
:type chmod: int
|
|
|
|
"""
|
|
|
|
d, _ = os.path.split(tgt)
|
|
|
|
if not d:
|
|
|
|
raise Errors.WafError('Invalid installation given %r->%r' % (src, tgt))
|
|
|
|
Utils.check_dir(d)
|
|
|
|
|
|
|
|
srclbl = src.replace(self.srcnode.abspath() + os.sep, '')
|
|
|
|
if not Options.options.force:
|
|
|
|
# check if the file is already there to avoid a copy
|
|
|
|
try:
|
|
|
|
st1 = os.stat(tgt)
|
|
|
|
st2 = os.stat(src)
|
|
|
|
except OSError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
# same size and identical timestamps -> make no copy
|
|
|
|
if st1.st_mtime + 2 >= st2.st_mtime and st1.st_size == st2.st_size:
|
|
|
|
if not self.progress_bar:
|
|
|
|
Logs.info('- install %s (from %s)' % (tgt, srclbl))
|
|
|
|
return False
|
|
|
|
|
|
|
|
if not self.progress_bar:
|
|
|
|
Logs.info('+ install %s (from %s)' % (tgt, srclbl))
|
|
|
|
|
2014-06-28 17:08:01 +02:00
|
|
|
# Give best attempt at making destination overwritable,
|
|
|
|
# like the 'install' utility used by 'make install' does.
|
|
|
|
try:
|
2014-07-06 17:41:54 +02:00
|
|
|
os.chmod(tgt, Utils.O644 | stat.S_IMODE(os.stat(tgt).st_mode))
|
2014-06-28 17:08:01 +02:00
|
|
|
except (OSError, IOError):
|
|
|
|
pass
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
# following is for shared libs and stale inodes (-_-)
|
|
|
|
try:
|
|
|
|
os.remove(tgt)
|
|
|
|
except OSError:
|
|
|
|
pass
|
|
|
|
|
|
|
|
try:
|
2014-02-17 00:26:58 +01:00
|
|
|
self.copy_fun(src, tgt, **kw)
|
2011-09-10 11:13:51 +02:00
|
|
|
except IOError:
|
|
|
|
try:
|
|
|
|
os.stat(src)
|
|
|
|
except (OSError, IOError):
|
|
|
|
Logs.error('File %r does not exist' % src)
|
|
|
|
raise Errors.WafError('Could not install the file %r' % tgt)
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def do_link(self, src, tgt, **kw):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
Create a symlink from tgt to src.
|
|
|
|
|
|
|
|
This method is overridden in :py:meth:`waflib.Build.UninstallContext.do_link` to remove the symlink.
|
|
|
|
|
|
|
|
:param src: file name as absolute path
|
|
|
|
:type src: string
|
|
|
|
:param tgt: file destination, as absolute path
|
|
|
|
:type tgt: string
|
|
|
|
"""
|
|
|
|
d, _ = os.path.split(tgt)
|
|
|
|
Utils.check_dir(d)
|
|
|
|
|
|
|
|
link = False
|
|
|
|
if not os.path.islink(tgt):
|
|
|
|
link = True
|
|
|
|
elif os.readlink(tgt) != src:
|
|
|
|
link = True
|
|
|
|
|
|
|
|
if link:
|
|
|
|
try: os.remove(tgt)
|
|
|
|
except OSError: pass
|
|
|
|
if not self.progress_bar:
|
|
|
|
Logs.info('+ symlink %s (to %s)' % (tgt, src))
|
|
|
|
os.symlink(src, tgt)
|
|
|
|
else:
|
|
|
|
if not self.progress_bar:
|
|
|
|
Logs.info('- symlink %s (to %s)' % (tgt, src))
|
|
|
|
|
|
|
|
def run_task_now(self, tsk, postpone):
|
|
|
|
"""
|
|
|
|
This method is called by :py:meth:`waflib.Build.InstallContext.install_files`,
|
|
|
|
:py:meth:`waflib.Build.InstallContext.install_as` and :py:meth:`waflib.Build.InstallContext.symlink_as` immediately
|
|
|
|
after the installation task is created. Its role is to force the immediate execution if necessary, that is when
|
|
|
|
``postpone=False`` was given.
|
|
|
|
"""
|
|
|
|
tsk.post()
|
|
|
|
if not postpone:
|
|
|
|
if tsk.runnable_status() == Task.ASK_LATER:
|
|
|
|
raise self.WafError('cannot post the task %r' % tsk)
|
|
|
|
tsk.run()
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def install_files(self, dest, files, env=None, chmod=Utils.O644, relative_trick=False, cwd=None, add=True, postpone=True, task=None):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
Create a task to install files on the system::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.install_files('${DATADIR}', self.path.find_resource('wscript'))
|
|
|
|
|
|
|
|
:param dest: absolute path of the destination directory
|
|
|
|
:type dest: string
|
|
|
|
:param files: input files
|
|
|
|
:type files: list of strings or list of nodes
|
|
|
|
:param env: configuration set for performing substitutions in dest
|
|
|
|
:type env: Configuration set
|
|
|
|
:param relative_trick: preserve the folder hierarchy when installing whole folders
|
|
|
|
:type relative_trick: bool
|
|
|
|
:param cwd: parent node for searching srcfile, when srcfile is not a :py:class:`waflib.Node.Node`
|
|
|
|
:type cwd: :py:class:`waflib.Node.Node`
|
|
|
|
:param add: add the task created to a build group - set ``False`` only if the installation task is created after the build has started
|
|
|
|
:type add: bool
|
|
|
|
:param postpone: execute the task immediately to perform the installation
|
|
|
|
:type postpone: bool
|
|
|
|
"""
|
|
|
|
tsk = inst(env=env or self.env)
|
|
|
|
tsk.bld = self
|
|
|
|
tsk.path = cwd or self.path
|
|
|
|
tsk.chmod = chmod
|
2014-02-17 00:26:58 +01:00
|
|
|
tsk.task = task
|
2011-09-10 11:13:51 +02:00
|
|
|
if isinstance(files, waflib.Node.Node):
|
|
|
|
tsk.source = [files]
|
|
|
|
else:
|
|
|
|
tsk.source = Utils.to_list(files)
|
|
|
|
tsk.dest = dest
|
|
|
|
tsk.exec_task = tsk.exec_install_files
|
|
|
|
tsk.relative_trick = relative_trick
|
|
|
|
if add: self.add_to_group(tsk)
|
|
|
|
self.run_task_now(tsk, postpone)
|
|
|
|
return tsk
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def install_as(self, dest, srcfile, env=None, chmod=Utils.O644, cwd=None, add=True, postpone=True, task=None):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
Create a task to install a file on the system with a different name::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.install_as('${PREFIX}/bin', 'myapp', chmod=Utils.O755)
|
|
|
|
|
|
|
|
:param dest: absolute path of the destination file
|
|
|
|
:type dest: string
|
|
|
|
:param srcfile: input file
|
|
|
|
:type srcfile: string or node
|
|
|
|
:param cwd: parent node for searching srcfile, when srcfile is not a :py:class:`waflib.Node.Node`
|
|
|
|
:type cwd: :py:class:`waflib.Node.Node`
|
|
|
|
:param env: configuration set for performing substitutions in dest
|
|
|
|
:type env: Configuration set
|
|
|
|
:param add: add the task created to a build group - set ``False`` only if the installation task is created after the build has started
|
|
|
|
:type add: bool
|
|
|
|
:param postpone: execute the task immediately to perform the installation
|
|
|
|
:type postpone: bool
|
|
|
|
"""
|
|
|
|
tsk = inst(env=env or self.env)
|
|
|
|
tsk.bld = self
|
|
|
|
tsk.path = cwd or self.path
|
|
|
|
tsk.chmod = chmod
|
|
|
|
tsk.source = [srcfile]
|
2014-02-17 00:26:58 +01:00
|
|
|
tsk.task = task
|
2011-09-10 11:13:51 +02:00
|
|
|
tsk.dest = dest
|
|
|
|
tsk.exec_task = tsk.exec_install_as
|
|
|
|
if add: self.add_to_group(tsk)
|
|
|
|
self.run_task_now(tsk, postpone)
|
|
|
|
return tsk
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def symlink_as(self, dest, src, env=None, cwd=None, add=True, postpone=True, relative_trick=False, task=None):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
Create a task to install a symlink::
|
|
|
|
|
|
|
|
def build(bld):
|
|
|
|
bld.symlink_as('${PREFIX}/lib/libfoo.so', 'libfoo.so.1.2.3')
|
|
|
|
|
|
|
|
:param dest: absolute path of the symlink
|
|
|
|
:type dest: string
|
|
|
|
:param src: absolute or relative path of the link
|
|
|
|
:type src: string
|
|
|
|
:param env: configuration set for performing substitutions in dest
|
|
|
|
:type env: Configuration set
|
|
|
|
:param add: add the task created to a build group - set ``False`` only if the installation task is created after the build has started
|
|
|
|
:type add: bool
|
|
|
|
:param postpone: execute the task immediately to perform the installation
|
|
|
|
:type postpone: bool
|
2012-12-15 00:32:20 +01:00
|
|
|
:param relative_trick: make the symlink relative (default: ``False``)
|
|
|
|
:type relative_trick: bool
|
2011-09-10 11:13:51 +02:00
|
|
|
"""
|
|
|
|
|
|
|
|
if Utils.is_win32:
|
|
|
|
# symlinks *cannot* work on that platform
|
|
|
|
return
|
|
|
|
|
|
|
|
tsk = inst(env=env or self.env)
|
|
|
|
tsk.bld = self
|
|
|
|
tsk.dest = dest
|
|
|
|
tsk.path = cwd or self.path
|
|
|
|
tsk.source = []
|
2014-02-17 00:26:58 +01:00
|
|
|
tsk.task = task
|
2011-09-10 11:13:51 +02:00
|
|
|
tsk.link = src
|
2012-12-15 00:32:20 +01:00
|
|
|
tsk.relative_trick = relative_trick
|
2011-09-10 11:13:51 +02:00
|
|
|
tsk.exec_task = tsk.exec_symlink_as
|
|
|
|
if add: self.add_to_group(tsk)
|
|
|
|
self.run_task_now(tsk, postpone)
|
|
|
|
return tsk
|
|
|
|
|
|
|
|
class UninstallContext(InstallContext):
|
|
|
|
'''removes the targets installed'''
|
|
|
|
cmd = 'uninstall'
|
|
|
|
|
|
|
|
def __init__(self, **kw):
|
|
|
|
super(UninstallContext, self).__init__(**kw)
|
|
|
|
self.is_install = UNINSTALL
|
|
|
|
|
2013-09-29 23:45:36 +02:00
|
|
|
def rm_empty_dirs(self, tgt):
|
|
|
|
while tgt:
|
|
|
|
tgt = os.path.dirname(tgt)
|
|
|
|
try:
|
|
|
|
os.rmdir(tgt)
|
|
|
|
except OSError:
|
|
|
|
break
|
|
|
|
|
2014-02-17 00:26:58 +01:00
|
|
|
def do_install(self, src, tgt, **kw):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""See :py:meth:`waflib.Build.InstallContext.do_install`"""
|
|
|
|
if not self.progress_bar:
|
|
|
|
Logs.info('- remove %s' % tgt)
|
|
|
|
|
|
|
|
self.uninstall.append(tgt)
|
|
|
|
try:
|
|
|
|
os.remove(tgt)
|
|
|
|
except OSError as e:
|
|
|
|
if e.errno != errno.ENOENT:
|
|
|
|
if not getattr(self, 'uninstall_error', None):
|
|
|
|
self.uninstall_error = True
|
|
|
|
Logs.warn('build: some files could not be uninstalled (retry with -vv to list them)')
|
|
|
|
if Logs.verbose > 1:
|
2012-09-15 12:53:47 +02:00
|
|
|
Logs.warn('Could not remove %s (error code %r)' % (e.filename, e.errno))
|
2011-09-10 11:13:51 +02:00
|
|
|
|
2013-09-29 23:45:36 +02:00
|
|
|
self.rm_empty_dirs(tgt)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
2014-07-14 19:59:01 +02:00
|
|
|
def do_link(self, src, tgt, **kw):
|
2011-09-10 11:13:51 +02:00
|
|
|
"""See :py:meth:`waflib.Build.InstallContext.do_link`"""
|
|
|
|
try:
|
|
|
|
if not self.progress_bar:
|
2013-05-18 19:51:45 +02:00
|
|
|
Logs.info('- remove %s' % tgt)
|
2011-09-10 11:13:51 +02:00
|
|
|
os.remove(tgt)
|
|
|
|
except OSError:
|
|
|
|
pass
|
|
|
|
|
2013-09-29 23:45:36 +02:00
|
|
|
self.rm_empty_dirs(tgt)
|
2011-09-10 11:13:51 +02:00
|
|
|
|
|
|
|
def execute(self):
|
|
|
|
"""
|
|
|
|
See :py:func:`waflib.Context.Context.execute`
|
|
|
|
"""
|
|
|
|
try:
|
|
|
|
# do not execute any tasks
|
|
|
|
def runnable_status(self):
|
|
|
|
return Task.SKIP_ME
|
|
|
|
setattr(Task.Task, 'runnable_status_back', Task.Task.runnable_status)
|
|
|
|
setattr(Task.Task, 'runnable_status', runnable_status)
|
|
|
|
|
|
|
|
super(UninstallContext, self).execute()
|
|
|
|
finally:
|
|
|
|
setattr(Task.Task, 'runnable_status', Task.Task.runnable_status_back)
|
|
|
|
|
|
|
|
class CleanContext(BuildContext):
|
|
|
|
'''cleans the project'''
|
|
|
|
cmd = 'clean'
|
|
|
|
def execute(self):
|
|
|
|
"""
|
|
|
|
See :py:func:`waflib.Context.Context.execute`
|
|
|
|
"""
|
|
|
|
self.restore()
|
|
|
|
if not self.all_envs:
|
|
|
|
self.load_envs()
|
|
|
|
|
|
|
|
self.recurse([self.run_dir])
|
|
|
|
try:
|
|
|
|
self.clean()
|
|
|
|
finally:
|
|
|
|
self.store()
|
|
|
|
|
|
|
|
def clean(self):
|
2012-04-07 10:54:40 +02:00
|
|
|
"""Remove files from the build directory if possible, and reset the caches"""
|
2011-09-10 11:13:51 +02:00
|
|
|
Logs.debug('build: clean called')
|
|
|
|
|
|
|
|
if self.bldnode != self.srcnode:
|
|
|
|
# would lead to a disaster if top == out
|
2012-10-03 01:47:46 +02:00
|
|
|
lst=[]
|
|
|
|
for e in self.all_envs.values():
|
|
|
|
lst.extend(self.root.find_or_declare(f) for f in e[CFG_FILES])
|
2012-04-12 08:30:45 +02:00
|
|
|
for n in self.bldnode.ant_glob('**/*', excl='.lock* *conf_check_*/** config.log c4che/*', quiet=True):
|
2011-09-10 11:13:51 +02:00
|
|
|
if n in lst:
|
|
|
|
continue
|
|
|
|
n.delete()
|
|
|
|
self.root.children = {}
|
|
|
|
|
|
|
|
for v in 'node_deps task_sigs raw_deps'.split():
|
|
|
|
setattr(self, v, {})
|
|
|
|
|
|
|
|
class ListContext(BuildContext):
|
|
|
|
'''lists the targets to execute'''
|
|
|
|
|
|
|
|
cmd = 'list'
|
|
|
|
def execute(self):
|
|
|
|
"""
|
|
|
|
See :py:func:`waflib.Context.Context.execute`.
|
|
|
|
"""
|
|
|
|
self.restore()
|
|
|
|
if not self.all_envs:
|
|
|
|
self.load_envs()
|
|
|
|
|
|
|
|
self.recurse([self.run_dir])
|
|
|
|
self.pre_build()
|
|
|
|
|
|
|
|
# display the time elapsed in the progress bar
|
|
|
|
self.timer = Utils.Timer()
|
|
|
|
|
|
|
|
for g in self.groups:
|
|
|
|
for tg in g:
|
|
|
|
try:
|
|
|
|
f = tg.post
|
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
f()
|
|
|
|
|
|
|
|
try:
|
|
|
|
# force the cache initialization
|
|
|
|
self.get_tgen_by_name('')
|
2012-02-11 14:31:00 +01:00
|
|
|
except Exception:
|
2011-09-10 11:13:51 +02:00
|
|
|
pass
|
|
|
|
lst = list(self.task_gen_cache_names.keys())
|
|
|
|
lst.sort()
|
|
|
|
for k in lst:
|
|
|
|
Logs.pprint('GREEN', k)
|
|
|
|
|
|
|
|
class StepContext(BuildContext):
|
|
|
|
'''executes tasks in a step-by-step fashion, for debugging'''
|
|
|
|
cmd = 'step'
|
|
|
|
|
|
|
|
def __init__(self, **kw):
|
|
|
|
super(StepContext, self).__init__(**kw)
|
|
|
|
self.files = Options.options.files
|
|
|
|
|
|
|
|
def compile(self):
|
|
|
|
"""
|
|
|
|
Compile the tasks matching the input/output files given (regular expression matching). Derived from :py:meth:`waflib.Build.BuildContext.compile`::
|
|
|
|
|
|
|
|
$ waf step --files=foo.c,bar.c,in:truc.c,out:bar.o
|
|
|
|
$ waf step --files=in:foo.cpp.1.o # link task only
|
|
|
|
|
|
|
|
"""
|
|
|
|
if not self.files:
|
|
|
|
Logs.warn('Add a pattern for the debug build, for example "waf step --files=main.c,app"')
|
|
|
|
BuildContext.compile(self)
|
|
|
|
return
|
|
|
|
|
2012-03-25 10:33:57 +02:00
|
|
|
targets = None
|
|
|
|
if self.targets and self.targets != '*':
|
|
|
|
targets = self.targets.split(',')
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
for g in self.groups:
|
|
|
|
for tg in g:
|
2012-03-25 10:33:57 +02:00
|
|
|
if targets and tg.name not in targets:
|
|
|
|
continue
|
|
|
|
|
2011-09-10 11:13:51 +02:00
|
|
|
try:
|
|
|
|
f = tg.post
|
|
|
|
except AttributeError:
|
|
|
|
pass
|
|
|
|
else:
|
|
|
|
f()
|
|
|
|
|
|
|
|
for pat in self.files.split(','):
|
|
|
|
matcher = self.get_matcher(pat)
|
|
|
|
for tg in g:
|
|
|
|
if isinstance(tg, Task.TaskBase):
|
|
|
|
lst = [tg]
|
|
|
|
else:
|
|
|
|
lst = tg.tasks
|
|
|
|
for tsk in lst:
|
|
|
|
do_exec = False
|
|
|
|
for node in getattr(tsk, 'inputs', []):
|
|
|
|
if matcher(node, output=False):
|
|
|
|
do_exec = True
|
|
|
|
break
|
|
|
|
for node in getattr(tsk, 'outputs', []):
|
|
|
|
if matcher(node, output=True):
|
|
|
|
do_exec = True
|
|
|
|
break
|
|
|
|
if do_exec:
|
|
|
|
ret = tsk.run()
|
|
|
|
Logs.info('%s -> exit %r' % (str(tsk), ret))
|
|
|
|
|
|
|
|
def get_matcher(self, pat):
|
|
|
|
# this returns a function
|
|
|
|
inn = True
|
|
|
|
out = True
|
|
|
|
if pat.startswith('in:'):
|
|
|
|
out = False
|
|
|
|
pat = pat.replace('in:', '')
|
|
|
|
elif pat.startswith('out:'):
|
|
|
|
inn = False
|
|
|
|
pat = pat.replace('out:', '')
|
|
|
|
|
|
|
|
anode = self.root.find_node(pat)
|
|
|
|
pattern = None
|
|
|
|
if not anode:
|
|
|
|
if not pat.startswith('^'):
|
|
|
|
pat = '^.+?%s' % pat
|
|
|
|
if not pat.endswith('$'):
|
|
|
|
pat = '%s$' % pat
|
|
|
|
pattern = re.compile(pat)
|
|
|
|
|
|
|
|
def match(node, output):
|
|
|
|
if output == True and not out:
|
|
|
|
return False
|
|
|
|
if output == False and not inn:
|
|
|
|
return False
|
|
|
|
|
|
|
|
if anode:
|
|
|
|
return anode == node
|
|
|
|
else:
|
|
|
|
return pattern.match(node.abspath())
|
|
|
|
return match
|
|
|
|
|