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63860617b3
This change adds explicit copyright information too python files files. The copyright year used in each case is the date of the first git commit of each file. The goal is to allow jsoncpp to be integrated into the chromium source tree which requires license information in each source file. fixes #234
86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
# Copyright 2010 Baptiste Lepilleur
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# Distributed under MIT license, or public domain if desired and
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# recognized in your jurisdiction.
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# See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
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import re
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from SCons.Script import * # the usual scons stuff you get in a SConscript
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import collections
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def generate(env):
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"""
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Add builders and construction variables for the
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SubstInFile tool.
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Adds SubstInFile builder, which substitutes the keys->values of SUBST_DICT
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from the source to the target.
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The values of SUBST_DICT first have any construction variables expanded
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(its keys are not expanded).
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If a value of SUBST_DICT is a python callable function, it is called and
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the result is expanded as the value.
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If there's more than one source and more than one target, each target gets
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substituted from the corresponding source.
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"""
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def do_subst_in_file(targetfile, sourcefile, dict):
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"""Replace all instances of the keys of dict with their values.
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For example, if dict is {'%VERSION%': '1.2345', '%BASE%': 'MyProg'},
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then all instances of %VERSION% in the file will be replaced with 1.2345 etc.
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"""
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try:
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f = open(sourcefile, 'rb')
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contents = f.read()
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f.close()
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except:
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raise SCons.Errors.UserError("Can't read source file %s"%sourcefile)
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for (k,v) in list(dict.items()):
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contents = re.sub(k, v, contents)
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try:
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f = open(targetfile, 'wb')
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f.write(contents)
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f.close()
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except:
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raise SCons.Errors.UserError("Can't write target file %s"%targetfile)
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return 0 # success
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def subst_in_file(target, source, env):
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if 'SUBST_DICT' not in env:
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raise SCons.Errors.UserError("SubstInFile requires SUBST_DICT to be set.")
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d = dict(env['SUBST_DICT']) # copy it
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for (k,v) in list(d.items()):
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if isinstance(v, collections.Callable):
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d[k] = env.subst(v()).replace('\\','\\\\')
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elif SCons.Util.is_String(v):
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d[k] = env.subst(v).replace('\\','\\\\')
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else:
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raise SCons.Errors.UserError("SubstInFile: key %s: %s must be a string or callable"%(k, repr(v)))
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for (t,s) in zip(target, source):
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return do_subst_in_file(str(t), str(s), d)
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def subst_in_file_string(target, source, env):
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"""This is what gets printed on the console."""
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return '\n'.join(['Substituting vars from %s into %s'%(str(s), str(t))
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for (t,s) in zip(target, source)])
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def subst_emitter(target, source, env):
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"""Add dependency from substituted SUBST_DICT to target.
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Returns original target, source tuple unchanged.
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"""
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d = env['SUBST_DICT'].copy() # copy it
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for (k,v) in list(d.items()):
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if isinstance(v, collections.Callable):
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d[k] = env.subst(v())
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elif SCons.Util.is_String(v):
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d[k]=env.subst(v)
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Depends(target, SCons.Node.Python.Value(d))
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return target, source
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## env.Append(TOOLS = 'substinfile') # this should be automaticaly done by Scons ?!?
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subst_action = SCons.Action.Action(subst_in_file, subst_in_file_string)
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env['BUILDERS']['SubstInFile'] = Builder(action=subst_action, emitter=subst_emitter)
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def exists(env):
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"""
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Make sure tool exists.
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"""
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return True
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