pyx/__init__.py

   1 # -*- encoding: utf-8 -*-
   2 #
   3 #
   4 # Copyright (C) 2002-2005 Jörg Lehmann <joergl@users.sourceforge.net>
   5 # Copyright (C) 2002-2006 André Wobst <wobsta@users.sourceforge.net>
   6 # Copyright (C) 2006 Michael Schindler <m-schindler@users.sourceforge.net>
   7 #
   8 # This file is part of PyX (http://pyx.sourceforge.net/).
   9 #
  10 # PyX is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2 of the License, or
  13 # (at your option) any later version.
  14 #
  15 # PyX is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with PyX; if not, write to the Free Software
  22 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  23
  24 """Python graphics package
  25
  26 PyX is a Python package for the creation of PostScript and PDF files. It
  27 combines an abstraction of the PostScript drawing model with a TeX/LaTeX
  28 interface. Complex tasks like 2d and 3d plots in publication-ready quality are
  29 built out of these primitives.
  30 """
  31
  32 from . import version
  33 __version__ = version.version
  34
  35 import sys
  36 if sys.hexversion < 0x03020000:
  37     sys.stderr.write("PyX {} requires Python 3.2 or higher.\n".format(__version__))
  38     sys.exit()
  39 del sys
  40
  41 __all__ = ["attr", "box", "bitmap", "canvas", "color", "connector", "deco", "deformer", "document",
  42            "epsfile", "svgfile", "graph", "mesh", "metapost", "path", "pattern", "pdfextra", "style", "trafo", "text", "unit"]
  43
  44 import importlib
  45
  46 # automatically import main modules into pyx namespace
  47 for module in __all__:
  48     importlib.import_module('.' + module, package='pyx')
  49
  50 def pyxinfo():
  51     """Make PyX a little verbose (for information or debugging)
  52
  53     This function enables info level on the ``"pyx"`` logger. It also adds some
  54     general information about the Python interpreter, the PyX installation, and
  55     the PyX configuration to the logger.
  56
  57     """
  58     import logging, os, sys
  59     from . import config
  60     logging.lastResort.setLevel(logging.INFO)
  61     logger = logging.getLogger("pyx")
  62     logger.setLevel(logging.INFO)
  63     logger.info("Platform name is: {}".format(os.name))
  64     logger.info("Python executable: {}".format(sys.executable))
  65     logger.info("Python version: %s", sys.version)
  66     logger.info("PyX comes from: %s", __file__)
  67     logger.info("PyX version: %s", __version__)
  68     logger.info("pyxrc %s %s %s", "is" if os.path.isfile(config.user_pyxrc) else "would be" ,"loaded from:", config.user_pyxrc)
  69     logger.info("pykpathsea: %s", "available" if config.has_pykpathsea else "not available")
  70     logger.info("file locators in use: %s", ", ".join(method.__class__.__name__ for method in config.methods))
  71
  72 __all__.append("__version__")
  73 __all__.append("pyxinfo")