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-rw-r--r--engine/SCons/Script/Main.py91
1 files changed, 53 insertions, 38 deletions
diff --git a/engine/SCons/Script/Main.py b/engine/SCons/Script/Main.py
index 19f8763..076c30b 100644
--- a/engine/SCons/Script/Main.py
+++ b/engine/SCons/Script/Main.py
@@ -10,10 +10,14 @@ some other module. If it's specific to the "scons" script invocation,
it goes here.
"""
+from __future__ import print_function
+
+
unsupported_python_version = (2, 6, 0)
deprecated_python_version = (2, 7, 0)
-# Copyright (c) 2001 - 2016 The SCons Foundation
+
+# Copyright (c) 2001 - 2017 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -34,7 +38,8 @@ deprecated_python_version = (2, 7, 0)
# 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/Main.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"
+__revision__ = "src/engine/SCons/Script/Main.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
+
import SCons.compat
@@ -42,6 +47,7 @@ import os
import sys
import time
import traceback
+import sysconfig
import SCons.CacheDir
import SCons.Debug
@@ -60,6 +66,7 @@ import SCons.Warnings
import SCons.Script.Interactive
+
def fetch_win32_parallel_msg():
# A subsidiary function that exists solely to isolate this import
# so we don't have to pull it in on all platforms, and so that an
@@ -70,6 +77,7 @@ def fetch_win32_parallel_msg():
import SCons.Platform.win32
return SCons.Platform.win32.parallel_msg
+
def revert_io():
# This call is added to revert stderr and stdout to the original
# ones just in case some build rule or something else in the system
@@ -86,6 +94,7 @@ progress_display = SCons.Util.DisplayEngine()
first_command_start = None
last_command_end = None
+
class Progressor(object):
prev = ''
count = 0
@@ -149,9 +158,11 @@ def Progress(*args, **kw):
_BuildFailures = []
+
def GetBuildFailures():
return _BuildFailures
+
class BuildTask(SCons.Taskmaster.OutOfDateTask):
"""An SCons build task."""
progress = ProgressObject
@@ -220,7 +231,7 @@ class BuildTask(SCons.Taskmaster.OutOfDateTask):
self.exception_set()
self.do_failed()
else:
- print "scons: Nothing to be done for `%s'." % t
+ print("scons: Nothing to be done for `%s'." % t)
SCons.Taskmaster.OutOfDateTask.executed(self)
else:
SCons.Taskmaster.OutOfDateTask.executed(self)
@@ -289,8 +300,8 @@ class BuildTask(SCons.Taskmaster.OutOfDateTask):
if self.options.debug_includes:
tree = t.render_include_tree()
if tree:
- print
- print tree
+ print()
+ print(tree)
SCons.Taskmaster.OutOfDateTask.postprocess(self)
def make_ready(self):
@@ -301,6 +312,7 @@ class BuildTask(SCons.Taskmaster.OutOfDateTask):
if explanation:
sys.stdout.write("scons: " + explanation)
+
class CleanTask(SCons.Taskmaster.AlwaysTask):
"""An SCons clean task."""
def fs_delete(self, path, pathstr, remove=True):
@@ -325,10 +337,10 @@ class CleanTask(SCons.Taskmaster.AlwaysTask):
else:
errstr = "Path '%s' exists but isn't a file or directory."
raise SCons.Errors.UserError(errstr % (pathstr))
- except SCons.Errors.UserError, e:
- print e
- except (IOError, OSError), e:
- print "scons: Could not remove '%s':" % pathstr, e.strerror
+ except SCons.Errors.UserError as e:
+ print(e)
+ except (IOError, OSError) as e:
+ print("scons: Could not remove '%s':" % pathstr, e.strerror)
def _get_files_to_clean(self):
result = []
@@ -354,13 +366,13 @@ class CleanTask(SCons.Taskmaster.AlwaysTask):
for t in self._get_files_to_clean():
try:
removed = t.remove()
- except OSError, e:
+ except OSError as e:
# An OSError may indicate something like a permissions
# issue, an IOError would indicate something like
# the file not existing. In either case, print a
# message and keep going to try to remove as many
# targets as possible.
- print "scons: Could not remove '%s':" % str(t), e.strerror
+ print("scons: Could not remove '{0}'".format(str(t)), e.strerror)
else:
if removed:
display("Removed " + str(t))
@@ -600,7 +612,7 @@ def _scons_internal_error():
"""Handle all errors but user errors. Print out a message telling
the user what to do in this case and print a normal trace.
"""
- print 'internal error'
+ print('internal error')
traceback.print_exc()
sys.exit(2)
@@ -714,7 +726,7 @@ def _load_site_scons_dir(topdir, site_dir_name=None):
# the error checking makes it longer.
try:
m = sys.modules['SCons.Script']
- except Exception, e:
+ except Exception as e:
fmt = 'cannot import site_init.py: missing SCons.Script module %s'
raise SCons.Errors.InternalError(fmt % repr(e))
try:
@@ -722,15 +734,15 @@ def _load_site_scons_dir(topdir, site_dir_name=None):
modname = os.path.basename(pathname)[:-len(sfx)]
site_m = {"__file__": pathname, "__name__": modname, "__doc__": None}
re_special = re.compile("__[^_]+__")
- for k in m.__dict__.keys():
+ for k in list(m.__dict__.keys()):
if not re_special.match(k):
site_m[k] = m.__dict__[k]
# This is the magic.
- exec fp in site_m
+ exec(compile(fp.read(), fp.name, 'exec'), site_m)
except KeyboardInterrupt:
raise
- except Exception, e:
+ except Exception as e:
fmt = '*** Error loading site_init file %s:\n'
sys.stderr.write(fmt % repr(site_init_file))
raise
@@ -740,7 +752,7 @@ def _load_site_scons_dir(topdir, site_dir_name=None):
m.__dict__[k] = site_m[k]
except KeyboardInterrupt:
raise
- except ImportError, e:
+ except ImportError as e:
fmt = '*** cannot import site init file %s:\n'
sys.stderr.write(fmt % repr(site_init_file))
raise
@@ -792,7 +804,7 @@ def _load_all_site_scons_dirs(topdir, verbose=None):
dirs=sysdirs + [topdir]
for d in dirs:
if verbose: # this is used by unit tests.
- print "Loading site dir ", d
+ print("Loading site dir ", d)
_load_site_scons_dir(d)
def test_load_all_site_scons_dirs(d):
@@ -992,7 +1004,7 @@ def _main(parser):
try:
for script in scripts:
SCons.Script._SConscript._SConscript(fs, script)
- except SCons.Errors.StopError, e:
+ except SCons.Errors.StopError as e:
# We had problems reading an SConscript file, such as it
# couldn't be copied in to the VariantDir. Since we're just
# reading SConscript files and haven't started building
@@ -1053,8 +1065,8 @@ def _main(parser):
# SConscript files. Give them the options usage.
raise SConsPrintHelpException
else:
- print help_text
- print "Use scons -H for help about command-line options."
+ print(help_text)
+ print("Use scons -H for help about command-line options.")
exit_status = 0
return
@@ -1091,7 +1103,7 @@ def _main(parser):
nodes = _build_targets(fs, options, targets, target_top)
if not nodes:
revert_io()
- print 'Found nothing to build'
+ print('Found nothing to build')
exit_status = 2
def _build_targets(fs, options, targets, target_top):
@@ -1157,7 +1169,7 @@ def _build_targets(fs, options, targets, target_top):
# or not a file, so go ahead and keep it as a default
# target and let the engine sort it out:
return 1
- d = list(filter(check_dir, SCons.Script.DEFAULT_TARGETS))
+ d = [tgt for tgt in SCons.Script.DEFAULT_TARGETS if check_dir(tgt)]
SCons.Script.DEFAULT_TARGETS[:] = d
target_top = None
lookup_top = None
@@ -1231,7 +1243,7 @@ def _build_targets(fs, options, targets, target_top):
if options.taskmastertrace_file == '-':
tmtrace = sys.stdout
elif options.taskmastertrace_file:
- tmtrace = open(options.taskmastertrace_file, 'wb')
+ tmtrace = open(options.taskmastertrace_file, 'w')
else:
tmtrace = None
taskmaster = SCons.Taskmaster.Taskmaster(nodes, task_class, order, tmtrace)
@@ -1240,16 +1252,19 @@ def _build_targets(fs, options, targets, target_top):
# various print_* settings, tree_printer list, etc.
BuildTask.options = options
+
+ python_has_threads = sysconfig.get_config_var('WITH_THREAD')
+ # to check if python configured with threads.
global num_jobs
num_jobs = options.num_jobs
jobs = SCons.Job.Jobs(num_jobs, taskmaster)
if num_jobs > 1:
msg = None
- if jobs.num_jobs == 1:
+ if sys.platform == 'win32':
+ msg = fetch_win32_parallel_msg()
+ elif jobs.num_jobs == 1 or not python_has_threads:
msg = "parallel builds are unsupported by this version of Python;\n" + \
"\tignoring -j or num_jobs option.\n"
- elif sys.platform == 'win32':
- msg = fetch_win32_parallel_msg()
if msg:
SCons.Warnings.warn(SCons.Warnings.NoParallelSupportWarning, msg)
@@ -1332,10 +1347,10 @@ def main():
pass
parts.append(version_string("engine", SCons))
parts.append(path_string("engine", SCons))
- parts.append("Copyright (c) 2001 - 2016 The SCons Foundation")
+ parts.append("Copyright (c) 2001 - 2017 The SCons Foundation")
version = ''.join(parts)
- import SConsOptions
+ from . import SConsOptions
parser = SConsOptions.Parser(version)
values = SConsOptions.SConsValues(parser.get_default_values())
@@ -1346,23 +1361,23 @@ def main():
_exec_main(parser, values)
finally:
revert_io()
- except SystemExit, s:
+ except SystemExit as s:
if s:
exit_status = s
except KeyboardInterrupt:
print("scons: Build interrupted.")
sys.exit(2)
- except SyntaxError, e:
+ except SyntaxError as e:
_scons_syntax_error(e)
except SCons.Errors.InternalError:
_scons_internal_error()
- except SCons.Errors.UserError, e:
+ except SCons.Errors.UserError as e:
_scons_user_error(e)
except SConsPrintHelpException:
parser.print_help()
exit_status = 0
- except SCons.Errors.BuildError, e:
- print e
+ except SCons.Errors.BuildError as e:
+ print(e)
exit_status = e.exitstatus
except:
# An exception here is likely a builtin Python exception Python
@@ -1398,10 +1413,10 @@ def main():
else:
ct = last_command_end - first_command_start
scons_time = total_time - sconscript_time - ct
- print "Total build time: %f seconds"%total_time
- print "Total SConscript file execution time: %f seconds"%sconscript_time
- print "Total SCons execution time: %f seconds"%scons_time
- print "Total command execution time: %f seconds"%ct
+ print("Total build time: %f seconds"%total_time)
+ print("Total SConscript file execution time: %f seconds"%sconscript_time)
+ print("Total SCons execution time: %f seconds"%scons_time)
+ print("Total command execution time: %f seconds"%ct)
sys.exit(exit_status)