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#! /usr/bin/env python
# based on playground/evil in the waf svn tree
import os, datetime
import Scripting, Utils, Options, Logs, Environment, fnmatch
from Constants import *
def run_task(t, k):
'''run a single build task'''
ret = t.run()
if ret:
raise Utils.WafError("Failed to build %s: %u" % (k, ret))
def run_named_build_task(cmd):
'''run a named build task, matching the cmd name using fnmatch
wildcards against inputs and outputs of all build tasks'''
bld = fake_build_environment()
found = False
cwd_node = bld.root.find_dir(os.getcwd())
cmd = os.path.normpath(cmd)
for g in bld.task_manager.groups:
for attr in ['outputs', 'inputs']:
for t in g.tasks:
s = getattr(t, attr, [])
for k in s:
relpath = k.relpath_gen(cwd_node)
if fnmatch.fnmatch(relpath, cmd):
t.position= [0,0]
print(t.display())
run_task(t, k)
return
if not found:
raise Utils.WafError("Unable to find build target matching %s" % cmd)
def wildcard_main(missing_cmd_fn):
'''this replaces main from Scripting, allowing us to override the
behaviour for unknown commands
If a unknown command is found, then missing_cmd_fn() is called with
the name of the requested command
'''
Scripting.commands = Options.arg_line[:]
while Scripting.commands:
x = Scripting.commands.pop(0)
ini = datetime.datetime.now()
if x == 'configure':
fun = Scripting.configure
elif x == 'build':
fun = Scripting.build
else:
fun = getattr(Utils.g_module, x, None)
# this is the new addition on top of main from Scripting.py
if not fun:
missing_cmd_fn(x)
break
ctx = getattr(Utils.g_module, x + '_context', Utils.Context)()
if x in ['init', 'shutdown', 'dist', 'distclean', 'distcheck']:
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':
Logs.info('%r finished successfully%s' % (x, ela))
if not Scripting.commands and x != 'shutdown':
Scripting.commands.append('shutdown')
def fake_build_environment():
"""create all the tasks for the project, but do not run the build
return the build context in use"""
bld = getattr(Utils.g_module, 'build_context', Utils.Context)()
bld = Scripting.check_configured(bld)
Options.commands['install'] = False
Options.commands['uninstall'] = False
Options.is_install = False
bld.is_install = 0 # False
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()
Logs.info("Waf: Entering directory `%s'" % bld.bldnode.abspath())
bld.add_subdirs([os.path.split(Utils.g_module.root_path)[0]])
bld.pre_build()
bld.flush()
return bld
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