mapnik/scons/scons-local-4.8.0/SCons/Tool/pdf.py

# MIT License
#
# Copyright The SCons Foundation
#
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"""Common PDF Builder definition.

This is for various other Tool modules that use it.
Add an explicit action to run epstopdf to convert .eps files to .pdf
"""

import SCons.Builder
import SCons.Tool

PDFBuilder = None

EpsPdfAction = SCons.Action.Action('$EPSTOPDFCOM', '$EPSTOPDFCOMSTR')

def generate(env) -> None:
    try:
        env['BUILDERS']['PDF']
    except KeyError:
        global PDFBuilder
        if PDFBuilder is None:
            PDFBuilder = SCons.Builder.Builder(action = {},
                                               source_scanner = SCons.Tool.PDFLaTeXScanner,
                                               prefix = '$PDFPREFIX',
                                               suffix = '$PDFSUFFIX',
                                               emitter = {},
                                               source_ext_match = None,
                                               single_source=True)
        env['BUILDERS']['PDF'] = PDFBuilder

    env['PDFPREFIX'] = ''
    env['PDFSUFFIX'] = '.pdf'

# put the epstopdf builder in this routine so we can add it after
# the pdftex builder so that one is the default for no source suffix
def generate2(env) -> None:
    bld = env['BUILDERS']['PDF']
    #bld.add_action('.ps',  EpsPdfAction) # this is covered by direct Ghostcript action in gs.py
    bld.add_action('.eps', EpsPdfAction)

    env['EPSTOPDF']      = 'epstopdf'
    env['EPSTOPDFFLAGS'] = SCons.Util.CLVar('')
    env['EPSTOPDFCOM']   = '$EPSTOPDF $EPSTOPDFFLAGS ${SOURCE} --outfile=${TARGET}'

def exists(env) -> bool:
    # This only puts a skeleton Builder in place, so if someone
    # references this Tool directly, it's always "available."
    return True

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