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-rw-r--r--src/engine/SCons/Script/Main.py108
1 files changed, 44 insertions, 64 deletions
diff --git a/src/engine/SCons/Script/Main.py b/src/engine/SCons/Script/Main.py
index 323fba9..c0b22a7 100644
--- a/src/engine/SCons/Script/Main.py
+++ b/src/engine/SCons/Script/Main.py
@@ -10,9 +10,13 @@ some other module. If it's specific to the "scons" script invocation,
it goes here.
"""
-unsupported_python_version = (2, 3, 0)
+from __future__ import print_function
+
+
+unsupported_python_version = (2, 6, 0)
deprecated_python_version = (2, 7, 0)
+
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
@@ -36,6 +40,7 @@ deprecated_python_version = (2, 7, 0)
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
import SCons.compat
import os
@@ -43,15 +48,6 @@ import sys
import time
import traceback
-# Strip the script directory from sys.path() so on case-insensitive
-# (Windows) systems Python doesn't think that the "scons" script is the
-# "SCons" package. Replace it with our own version directory so, if
-# if they're there, we pick up the right version of the build engine
-# modules.
-#sys.path = [os.path.join(sys.prefix,
-# 'lib',
-# 'scons-%d' % SCons.__version__)] + sys.path[1:]
-
import SCons.CacheDir
import SCons.Debug
import SCons.Defaults
@@ -74,7 +70,7 @@ def fetch_win32_parallel_msg():
# so we don't have to pull it in on all platforms, and so that an
# in-line "import" statement in the _main() function below doesn't
# cause warnings about local names shadowing use of the 'SCons'
- # globl in nest scopes and UnboundLocalErrors and the like in some
+ # global in nest scopes and UnboundLocalErrors and the like in some
# versions (2.1) of Python.
import SCons.Platform.win32
return SCons.Platform.win32.parallel_msg
@@ -229,7 +225,7 @@ 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)
@@ -298,8 +294,8 @@ 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):
@@ -334,10 +330,10 @@ 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 = []
@@ -363,13 +359,13 @@ 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 aa possible.
- print "scons: Could not remove '%s':" % str(t), e.strerror
+ # targets as possible.
+ print("scons: Could not remove '{0}'".format(str(t)), e.strerror)
else:
if removed:
display("Removed " + str(t))
@@ -383,7 +379,7 @@ class CleanTask(SCons.Taskmaster.AlwaysTask):
# we don't want, like store .sconsign information.
executed = SCons.Taskmaster.Task.executed_without_callbacks
- # Have the taskmaster arrange to "execute" all of the targets, because
+ # Have the Taskmaster arrange to "execute" all of the targets, because
# we'll figure out ourselves (in remove() or show() above) whether
# anything really needs to be done.
make_ready = SCons.Taskmaster.Task.make_ready_all
@@ -484,7 +480,9 @@ def GetOption(name):
def SetOption(name, value):
return OptionsParser.values.set_option(name, value)
-#
+def PrintHelp(file=None):
+ OptionsParser.print_help(file=file)
+
class Stats(object):
def __init__(self):
self.stats = []
@@ -607,7 +605,7 @@ 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)
@@ -708,7 +706,6 @@ def _load_site_scons_dir(topdir, site_dir_name=None):
site_tools_dir = os.path.join(site_dir, site_tools_dirname)
if os.path.exists(site_init_file):
import imp, re
- # TODO(2.4): turn this into try:-except:-finally:
try:
try:
fp, pathname, description = imp.find_module(site_init_modname,
@@ -722,7 +719,7 @@ 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:
@@ -735,10 +732,10 @@ def _load_site_scons_dir(topdir, site_dir_name=None):
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
@@ -748,7 +745,7 @@ 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
@@ -800,7 +797,7 @@ 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):
@@ -1000,7 +997,7 @@ 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
@@ -1021,7 +1018,7 @@ def _main(parser):
# the SConscript file.
#
# We delay enabling the PythonVersionWarning class until here so that,
- # if they explicity disabled it in either in the command line or in
+ # if they explicitly disabled it in either in the command line or in
# $SCONSFLAGS, or in the SConscript file, then the search through
# the list of deprecated warning classes will find that disabling
# first and not issue the warning.
@@ -1061,8 +1058,8 @@ 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
@@ -1099,7 +1096,7 @@ 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):
@@ -1229,13 +1226,8 @@ def _build_targets(fs, options, targets, target_top):
def order(dependencies):
"""Randomize the dependencies."""
import random
- # This is cribbed from the implementation of
- # random.shuffle() in Python 2.X.
- d = dependencies
- for i in range(len(d)-1, 0, -1):
- j = int(random.random() * (i+1))
- d[i], d[j] = d[j], d[i]
- return d
+ random.shuffle(dependencies)
+ return dependencies
else:
def order(dependencies):
"""Leave the order of dependencies alone."""
@@ -1313,18 +1305,6 @@ def _exec_main(parser, values):
# compat layer imports "cProfile" for us if it's available.
from profile import Profile
- # Some versions of Python 2.4 shipped a profiler that had the
- # wrong 'c_exception' entry in its dispatch table. Make sure
- # we have the right one. (This may put an unnecessary entry
- # in the table in earlier versions of Python, but its presence
- # shouldn't hurt anything).
- try:
- dispatch = Profile.dispatch
- except AttributeError:
- pass
- else:
- dispatch['c_exception'] = Profile.trace_dispatch_return
-
prof = Profile()
try:
prof.runcall(_main, parser)
@@ -1360,7 +1340,7 @@ def main():
parts.append("__COPYRIGHT__")
version = ''.join(parts)
- import SConsOptions
+ from . import SConsOptions
parser = SConsOptions.Parser(version)
values = SConsOptions.SConsValues(parser.get_default_values())
@@ -1371,23 +1351,23 @@ 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
@@ -1423,10 +1403,10 @@ 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)