/usr/lib/python2.7/dist-packages/Gnuplot/gp_mac.py is in python-gnuplot 1.8-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 1999-2003 Michael Haggerty <mhagger@alum.mit.edu>
# Thanks to Tony Ingraldi and Noboru Yamamoto for their contributions.
#
# This file is licensed under the GNU Lesser General Public License
# (LGPL). See LICENSE.txt for details.
"""gp_mac -- an interface to gnuplot for the Macintosh.
"""
import os, string
import Errors
# ############ Configuration variables: ################################
class GnuplotOpts:
"""The configuration options for gnuplot on the Macintosh.
See gp.py for details about the meaning of these options. Please
let me know if you know better choices for these settings."""
# The '-persist' option is not supported on the Mac:
recognizes_persist = 0
# Apparently the Mac can use binary data:
recognizes_binary_splot = 1
# Apparently the Mac can not use inline data:
prefer_inline_data = 0
# os.mkfifo is not supported on the Mac.
support_fifo = 0
prefer_fifo_data = 0
# The default choice for the 'set term' command (to display on screen).
# Terminal types are different in Gnuplot 3.7.1c.
# For earlier versions, this was default_term = 'macintosh'
default_term = 'pict'
# I don't know how to print directly to a printer on the Mac:
default_lpr = '| lpr'
# Used the 'enhanced' option of postscript by default? Set to
# None (*not* 0!) if your version of gnuplot doesn't support
# enhanced postscript.
prefer_enhanced_postscript = 1
# ############ End of configuration options ############################
# The Macintosh doesn't support pipes so communication is via
# AppleEvents.
import gnuplot_Suites
import Required_Suite
import aetools
# Mac doesn't recognize persist.
def test_persist():
return 0
class _GNUPLOT(aetools.TalkTo,
Required_Suite.Required_Suite,
gnuplot_Suites.gnuplot_Suite,
gnuplot_Suites.odds_and_ends,
gnuplot_Suites.Standard_Suite,
gnuplot_Suites.Miscellaneous_Events):
"""Start a gnuplot program and emulate a pipe to it."""
def __init__(self):
aetools.TalkTo.__init__(self, '{GP}', start=1)
class GnuplotProcess:
"""Unsophisticated interface to a running gnuplot program.
See gp_unix.GnuplotProcess for usage information.
"""
def __init__(self, persist=0):
"""Start a gnuplot process.
Create a 'GnuplotProcess' object. This starts a gnuplot
program and prepares to write commands to it.
Keyword arguments:
'persist' -- the '-persist' option is not supported on the
Macintosh so this argument must be zero.
"""
if persist:
raise Errors.OptionError(
'-persist is not supported on the Macintosh!')
self.gnuplot = _GNUPLOT()
def close(self):
if self.gnuplot is not None:
self.gnuplot.quit()
self.gnuplot = None
def __del__(self):
self.close()
def write(self, s):
"""Mac gnuplot apparently requires '\r' to end statements."""
self.gnuplot.gnuexec(string.replace(s, '\n', os.linesep))
def flush(self):
pass
def __call__(self, s):
"""Send a command string to gnuplot, for immediate execution."""
# Apple Script doesn't seem to need the trailing '\n'.
self.write(s)
self.flush()
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