diff options
Diffstat (limited to 'src/engine/SCons/Script/SConscript.py')
| -rw-r--r-- | src/engine/SCons/Script/SConscript.py | 83 |
1 files changed, 72 insertions, 11 deletions
diff --git a/src/engine/SCons/Script/SConscript.py b/src/engine/SCons/Script/SConscript.py index 350772e..ea239e0 100644 --- a/src/engine/SCons/Script/SConscript.py +++ b/src/engine/SCons/Script/SConscript.py @@ -5,10 +5,8 @@ files. """ -from __future__ import print_function - # -# Copyright (c) 2001 - 2017 The SCons Foundation +# Copyright (c) 2001 - 2019 The SCons Foundation # # Permission is hereby granted, free of charge, to any person obtaining # a copy of this software and associated documentation files (the @@ -29,7 +27,7 @@ from __future__ import print_function # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -__revision__ = "src/engine/SCons/Script/SConscript.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog" +__revision__ = "src/engine/SCons/Script/SConscript.py 103260fce95bf5db1c35fb2371983087d85dd611 2019-07-13 18:25:30 bdbaddog" import SCons import SCons.Action @@ -46,12 +44,15 @@ import SCons.Script.Main import SCons.Tool import SCons.Util +from . import Main + import collections import os import os.path import re import sys import traceback +import time class SConscriptReturn(Exception): pass @@ -152,6 +153,35 @@ def Return(*vars, **kw): stack_bottom = '% Stack boTTom %' # hard to define a variable w/this name :) +def handle_missing_SConscript(f, must_exist=None): + """Take appropriate action on missing file in SConscript() call. + + Print a warning or raise an exception on missing file. + On first warning, print a deprecation message. + + Args: + f (str): path of missing configuration file + must_exist (bool): raise exception if file does not exist + + Raises: + UserError if 'must_exist' is True or if global + SCons.Script._no_missing_sconscript is True. + """ + + if must_exist or (SCons.Script._no_missing_sconscript and must_exist is not False): + msg = "Fatal: missing SConscript '%s'" % f.get_internal_path() + raise SCons.Errors.UserError(msg) + + if SCons.Script._warn_missing_sconscript_deprecated: + msg = "Calling missing SConscript without error is deprecated.\n" + \ + "Transition by adding must_exist=0 to SConscript calls.\n" + \ + "Missing SConscript '%s'" % f.get_internal_path() + SCons.Warnings.warn(SCons.Warnings.MissingSConscriptWarning, msg) + SCons.Script._warn_missing_sconscript_deprecated = False + else: + msg = "Ignoring missing SConscript '%s'" % f.get_internal_path() + SCons.Warnings.warn(SCons.Warnings.MissingSConscriptWarning, msg) + def _SConscript(fs, *files, **kw): top = fs.Top sd = fs.SConstruct_dir.rdir() @@ -248,17 +278,23 @@ def _SConscript(fs, *files, **kw): pass try: try: -# _file_ = SCons.Util.to_str(_file_) - exec(compile(_file_.read(), _file_.name, 'exec'), - call_stack[-1].globals) + if Main.print_time: + time1 = time.time() + scriptdata = _file_.read() + scriptname = _file_.name + _file_.close() + exec(compile(scriptdata, scriptname, 'exec'), call_stack[-1].globals) except SConscriptReturn: pass finally: + if Main.print_time: + time2 = time.time() + print('SConscript:%s took %0.3f ms' % (f.get_abspath(), (time2 - time1) * 1000.0)) + if old_file is not None: call_stack[-1].globals.update({__file__:old_file}) else: - SCons.Warnings.warn(SCons.Warnings.MissingSConscriptWarning, - "Ignoring missing SConscript '%s'" % f.get_internal_path()) + handle_missing_SConscript(f, kw.get('must_exist', None)) finally: SCons.Script.sconscript_reading = SCons.Script.sconscript_reading - 1 @@ -362,9 +398,9 @@ class SConsEnvironment(SCons.Environment.Base): something like 3.2b1.""" version = version_string.split(' ')[0].split('.') v_major = int(version[0]) - v_minor = int(re.match('\d+', version[1]).group()) + v_minor = int(re.match(r'\d+', version[1]).group()) if len(version) >= 3: - v_revision = int(re.match('\d+', version[2]).group()) + v_revision = int(re.match(r'\d+', version[2]).group()) else: v_revision = 0 return v_major, v_minor, v_revision @@ -516,6 +552,31 @@ class SConsEnvironment(SCons.Environment.Base): raise SCons.Errors.UserError("Import of non-existent variable '%s'"%x) def SConscript(self, *ls, **kw): + """Execute SCons configuration files. + + Parameters: + *ls (str or list): configuration file(s) to execute. + + Keyword arguments: + dirs (list): execute SConscript in each listed directory. + name (str): execute script 'name' (used only with 'dirs'). + exports (list or dict): locally export variables the + called script(s) can import. + variant_dir (str): mirror sources needed for the build in + a variant directory to allow building in it. + duplicate (bool): physically duplicate sources instead of just + adjusting paths of derived files (used only with 'variant_dir') + (default is True). + must_exist (bool): fail if a requested script is missing + (default is False, default is deprecated). + + Returns: + list of variables returned by the called script + + Raises: + UserError: a script is not found and such exceptions are enabled. + """ + if 'build_dir' in kw: msg = """The build_dir keyword has been deprecated; use the variant_dir keyword instead.""" SCons.Warnings.warn(SCons.Warnings.DeprecatedBuildDirWarning, msg) |