mapnik/scons/scons-local-4.8.1/SCons/Tool/dvipdf.py
2024-09-09 10:56:17 +01:00

122 lines
3.9 KiB
Python
Vendored

"""SCons.Tool.dvipdf
Tool-specific initialization for dvipdf.
There normally shouldn't be any need to import this module directly.
It will usually be imported through the generic SCons.Tool.Tool()
selection method.
"""
#
# __COPYRIGHT__
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# without limitation the rights to use, copy, modify, merge, publish,
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# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
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# The above copyright notice and this permission notice shall be included
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import SCons.Action
import SCons.Defaults
import SCons.Tool.pdf
import SCons.Tool.tex
import SCons.Util
_null = SCons.Scanner.LaTeX._null
def DviPdfPsFunction(XXXDviAction, target = None, source= None, env=None):
"""A builder for DVI files that sets the TEXPICTS environment
variable before running dvi2ps or dvipdf."""
try:
abspath = source[0].attributes.path
except AttributeError :
abspath = ''
saved_env = SCons.Scanner.LaTeX.modify_env_var(env, 'TEXPICTS', abspath)
result = XXXDviAction(target, source, env)
if saved_env is _null:
try:
del env['ENV']['TEXPICTS']
except KeyError:
pass # was never set
else:
env['ENV']['TEXPICTS'] = saved_env
return result
def DviPdfFunction(target = None, source= None, env=None):
result = DviPdfPsFunction(PDFAction,target,source,env)
return result
def DviPdfStrFunction(target = None, source= None, env=None):
"""A strfunction for dvipdf that returns the appropriate
command string for the no_exec options."""
if env.GetOption("no_exec"):
result = env.subst('$DVIPDFCOM',0,target,source)
else:
result = ''
return result
PDFAction = None
DVIPDFAction = None
def PDFEmitter(target, source, env):
"""Strips any .aux or .log files from the input source list.
These are created by the TeX Builder that in all likelihood was
used to generate the .dvi file we're using as input, and we only
care about the .dvi file.
"""
def strip_suffixes(n) -> bool:
return not SCons.Util.splitext(str(n))[1] in ['.aux', '.log']
source = [src for src in source if strip_suffixes(src)]
return (target, source)
def generate(env) -> None:
"""Add Builders and construction variables for dvipdf to an Environment."""
global PDFAction
if PDFAction is None:
PDFAction = SCons.Action.Action('$DVIPDFCOM', '$DVIPDFCOMSTR')
global DVIPDFAction
if DVIPDFAction is None:
DVIPDFAction = SCons.Action.Action(DviPdfFunction, strfunction = DviPdfStrFunction)
from . import pdf
pdf.generate(env)
bld = env['BUILDERS']['PDF']
bld.add_action('.dvi', DVIPDFAction)
bld.add_emitter('.dvi', PDFEmitter)
env['DVIPDF'] = 'dvipdf'
env['DVIPDFFLAGS'] = SCons.Util.CLVar('')
env['DVIPDFCOM'] = 'cd ${TARGET.dir} && $DVIPDF $DVIPDFFLAGS ${SOURCE.file} ${TARGET.file}'
def exists(env):
SCons.Tool.tex.generate_darwin(env)
return env.Detect('dvipdf')
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# indent-tabs-mode:nil
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