[Scons-users] How to tell if a node is an explicit command-line argument?
Vasily
just.one.man at yandex.ru
Mon Jul 27 03:22:09 EDT 2015
Hi,
Maybe you can give a try to BUILD_TARGETS variable? I think it should be
more or less the list of files user queried...
Thanks,
Vasily
27 июля 2015 г. 3:57 пользователь "William Blevins" <wblevins001 at gmail.com>
написал:
> I can make a full patch if I can find a smarter way to see if a node "was
> explicitly" called on the command-line. The rest of the patch is pretty
> straight-forward, but I think this would be a big help for packagers.
>
> -Will
>
> On Sun, Jul 26, 2015 at 9:46 PM, Gary Oberbrunner <garyo at oberbrunner.com>
> wrote:
>
>> Sure, this seems very helpful!
>>
>> On Sun, Jul 26, 2015 at 9:37 PM, William Blevins <wblevins001 at gmail.com>
>> wrote:
>>
>>> Does this interest anyone? I think it could be a very convenient debug
>>> mechanism because environment information queries currently require scripts
>>> modifications.
>>>
>>> V/R,
>>> William
>>>
>>> On Sat, Jul 25, 2015 at 4:23 PM, William Blevins <wblevins001 at gmail.com>
>>> wrote:
>>>
>>>> Bill,
>>>>
>>>> Long story short, I was investigating making a new debug option. The
>>>> option would perform print env.Dump() for a node's builder environment, but
>>>> I wanted to print on for explicit targets.
>>>>
>>>> Here is a working patch delta, but my check seems a bit sketchy.
>>>>
>>>> diff -r e6d4edfedcb4 src/engine/SCons/Node/__init__.py
>>>> --- a/src/engine/SCons/Node/__init__.py Mon Jun 29 07:04:53 2015
>>>> -0400
>>>> +++ b/src/engine/SCons/Node/__init__.py Mon Jun 29 10:54:02 2015
>>>> -0400
>>>> @@ -1141,6 +1141,12 @@
>>>> the command interpreter literally."""
>>>> return 1
>>>>
>>>> + def generate_dump(self):
>>>> + env = self.get_build_env()
>>>> + if env:
>>>> + return env.Dump()
>>>> + return None
>>>> +
>>>> def render_include_tree(self):
>>>> """
>>>> Return a text representation, suitable for displaying to the
>>>> diff -r e6d4edfedcb4 src/engine/SCons/Script/Main.py
>>>> --- a/src/engine/SCons/Script/Main.py Mon Jun 29 07:04:53 2015 -0400
>>>> +++ b/src/engine/SCons/Script/Main.py Mon Jun 29 10:54:02 2015 -0400
>>>> @@ -300,6 +300,13 @@
>>>> if tree:
>>>> print
>>>> print tree
>>>> +
>>>> + if self.options.debug_dump:
>>>> + t = self.targets[0]
>>>> + if t.get_path() in SCons.Script.COMMAND_LINE_TARGETS:
>>>> + print 'Environment dump for node: ' + str(t)
>>>> + print t.generate_dump()
>>>> +
>>>> SCons.Taskmaster.OutOfDateTask.postprocess(self)
>>>>
>>>> def make_ready(self):
>>>> @@ -653,6 +660,7 @@
>>>> if "findlibs" in debug_values:
>>>> SCons.Scanner.Prog.print_find_libs = "findlibs"
>>>> options.debug_includes = ("includes" in debug_values)
>>>> + options.debug_dump = ("dump" in debug_values)
>>>> print_memoizer = ("memoizer" in debug_values)
>>>> if "memory" in debug_values:
>>>> memory_stats.enable(sys.stdout)
>>>> diff -r e6d4edfedcb4 src/engine/SCons/Script/SConsOptions.py
>>>> --- a/src/engine/SCons/Script/SConsOptions.py Mon Jun 29 07:04:53
>>>> 2015 -0400
>>>> +++ b/src/engine/SCons/Script/SConsOptions.py Mon Jun 29 10:54:02
>>>> 2015 -0400
>>>> @@ -673,7 +673,7 @@
>>>> "tree" : '; please use --tree=all instead',
>>>> }
>>>>
>>>> - debug_options = ["count", "duplicate", "explain", "findlibs",
>>>> + debug_options = ["count", "duplicate", "dump", "explain",
>>>> "findlibs",
>>>> "includes", "memoizer", "memory", "objects",
>>>> "pdb", "prepare", "presub", "stacktrace",
>>>> "time"]
>>>>
>>>>
>>>> V/R,
>>>> William
>>>>
>>>> On Sat, Jul 25, 2015 at 4:00 PM, William Blevins <wblevins001 at gmail.com
>>>> > wrote:
>>>>
>>>>> SCons.Node has a function set_explicit, but after reading the function
>>>>> description, I don't think that is what this does?
>>>>>
>>>>> On Sat, Jul 25, 2015 at 3:56 PM, Bill Deegan <
>>>>> bill at baddogconsulting.com> wrote:
>>>>>
>>>>>> William,
>>>>>>
>>>>>>
>>>>>> On Sat, Jul 25, 2015 at 3:53 PM, William Blevins <
>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Sat, Jul 25, 2015 at 3:52 PM, William Blevins <
>>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>>
>>>>>>>> Yes, but here is an example in case:
>>>>>>>>
>>>>>>>> File "a.c" exists
>>>>>>>> File "b.c" exists
>>>>>>>>
>>>>>>>> FS node representing "a.c" is node_a and representing "b.c" is
>>>>>>>> node_b
>>>>>>>>
>>>>>>>> If I run "scons" or "scons a.o", then node_b.is_explicit_target (or
>>>>>>>> some other function name) returns False.
>>>>>>>> If I run "scons b.o" or "scons a.o b.o", then
>>>>>>>> node_b.is_explicit_target return True for both cases, but
>>>>>>>> node_b.is_explicit_target return True only for the second case.
>>>>>>>>
>>>>>>>>
>>>>>>> Copy-pasta error fixed below:
>>>>>>> If I run "scons b.o" or "scons a.o b.o", then
>>>>>>> node_b.is_explicit_target return True for both cases, but
>>>>>>> node_a.is_explicit_target return True only for the second case.
>>>>>>>
>>>>>>
>>>>>> Isn't this what you'd expect?
>>>>>> I guess I'm missing where this doesn't answer your original question?
>>>>>> Also you can get the list of command line arguments raw..
>>>>>>
>>>>>> -Bill
>>>>>>
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> V/R,
>>>>>>>> William
>>>>>>>>
>>>>>>>> On Sat, Jul 25, 2015 at 3:32 PM, Bill Deegan <
>>>>>>>> bill at baddogconsulting.com> wrote:
>>>>>>>>
>>>>>>>>> So you mean if scons was run as: scons a/b/c/d.exe ?
>>>>>>>>>
>>>>>>>>> On Sat, Jul 25, 2015 at 2:13 PM, William Blevins <
>>>>>>>>> wblevins001 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> Is there an easy way to determine if a Node was specified
>>>>>>>>>> explicitly as a command-line argument?
>>>>>>>>>>
>>>>>>>>>> V/R,
>>>>>>>>>> William
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Scons-users mailing list
>>>>>>>>>> Scons-users at scons.org
>>>>>>>>>> https://pairlist4.pair.net/mailman/listinfo/scons-users
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Scons-users mailing list
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
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>>>>>>>
>>>>>>
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>>>>>>
>>>>>
>>>>
>>>
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>>
>>
>> --
>> Gary
>>
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>>
>
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