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

91 lines
2.9 KiB
Python
Vendored

"""SCons.Tool.gs
Tool-specific initialization for Ghostscript.
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__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
import SCons.Action
import SCons.Builder
import SCons.Platform
import SCons.Util
# Ghostscript goes by different names on different platforms...
platform = SCons.Platform.platform_default()
if platform == 'os2':
gs = 'gsos2'
elif platform == 'win32':
gs = 'gswin32c'
else:
gs = 'gs'
GhostscriptAction = None
def generate(env) -> None:
"""Add Builders and construction variables for Ghostscript to an
Environment."""
global GhostscriptAction
# The following try-except block enables us to use the Tool
# in standalone mode (without the accompanying pdf.py),
# whenever we need an explicit call of gs via the Gs()
# Builder ...
try:
if GhostscriptAction is None:
GhostscriptAction = SCons.Action.Action('$GSCOM', '$GSCOMSTR')
from SCons.Tool import pdf
pdf.generate(env)
bld = env['BUILDERS']['PDF']
bld.add_action('.ps', GhostscriptAction)
except ImportError as e:
pass
gsbuilder = SCons.Builder.Builder(action = SCons.Action.Action('$GSCOM', '$GSCOMSTR'))
env['BUILDERS']['Gs'] = gsbuilder
env['GS'] = gs
env['GSFLAGS'] = SCons.Util.CLVar('-dNOPAUSE -dBATCH -sDEVICE=pdfwrite')
env['GSCOM'] = '$GS $GSFLAGS -sOutputFile=$TARGET $SOURCES'
def exists(env):
if 'PS2PDF' in env:
return env.Detect(env['PS2PDF'])
else:
return env.Detect(gs) or SCons.Util.WhereIs(gs)
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4: