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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2011 Martin Manns
# Distributed under the terms of the GNU General Public License
# --------------------------------------------------------------------
# pyspread is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pyspread is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pyspread. If not, see <http://www.gnu.org/licenses/>.
# --------------------------------------------------------------------
"""
========
pyspread
========
Python spreadsheet application
Run this script to start the application.
Provides
--------
* Commandlineparser: Gets command line options and parameters
* MainApplication: Initial command line operations and application launch
"""
# Patch for using with PyScripter thanks to Colin J. Williams
# If wx exists in sys,modules, we dont need to import wx version.
# wx is already imported if the PyScripter wx engine is used.
import sys
import os
sys.path.insert(0, '/usr/share/pyspread/')
sys.path.insert(0, '/usr/share/pyspread/src/')
import i18n
import optparse
#use ugettext instead of getttext to avoid unicode errors
_ = i18n.language.ugettext
try:
sys.modules['wx']
except KeyError:
# Select wx version 2.8 if possible
try:
import wxversion
wxversion.select(['2.8', '2.9'])
except ImportError:
pass
from wx import App
from wx import InitAllImageHandlers
from src.gui._events import post_command_event, GridActionEventMixin
DEBUG = False
class Commandlineparser(object):
"""
Command line handling
Methods:
--------
parse: Returns command line options and arguments as 2-tuple
"""
def __init__(self):
from src.config import config
usage = _("usage: %prog [options] [filename]")
version = _("%prog {}").format(config["version"])
self.parser = optparse.OptionParser(usage=usage, version=version)
grid_shape = ( \
config["grid_rows"],
config["grid_columns"],
config["grid_tables"],
)
self.parser.add_option("-d", "--dimensions", type="int", nargs=3,
dest="dimensions", default=grid_shape, \
help=_("Dimensions of empty grid (works only without filename) "
"rows, cols, tables [default: %default]"))
def parse(self):
"""
Returns a a tuple (options, filename)
options: The command line options
filename: String (defaults to None)
\tThe name of the file that is loaded on start-up
"""
options, args = self.parser.parse_args()
# If one dimension is 0 then the grid has no cells
if min(options.dimensions) < 1:
print _("Cell dimension must be > 0.")
sys.exit()
# No MDI yet, pyspread can be started several times though
if len(args) > 1:
print _("Only one file may be opened at a time.")
sys.exit()
filename = None
if len(args) == 1:
# A filename is provided and hence opened
filename = args[0]
return options, filename
# end of class Commandlineparser
class MainApplication(App, GridActionEventMixin):
"""Main application class for pyspread."""
dimensions = (1, 1, 1) # Will be overridden anyways
options = {}
filename = None
def OnInit(self):
"""Init class that is automatically run on __init__"""
# Get command line options and arguments
self.get_cmd_args()
# Initialize the prerequisitions to construct the main window
InitAllImageHandlers()
# Main window creation
from src.gui._main_window import MainWindow
self.main_window = MainWindow(None, title="pyspread")
## Set dimensions
## Initialize file loading via event
# Create GPG key if not present
from src.lib.gpg import genkey
genkey()
# Show application window
self.SetTopWindow(self.main_window)
self.main_window.Show()
# Load filename if provided
if self.filepath is not None:
post_command_event(self.main_window, self.GridActionOpenMsg,
attr={"filepath": self.filepath})
self.main_window.filepath = self.filepath
return True
def get_cmd_args(self):
"""Returns command line arguments
Created attributes
------------------
options: dict
\tCommand line options
dimensions: Three tuple of Int
\tGrid dimensions, default value (1,1,1).
filename: String
\tFile name that is loaded on start
"""
cmdp = Commandlineparser()
self.options, self.filepath = cmdp.parse()
if self.filename is None:
self.dimensions = self.options.dimensions
def __main__():
"""Compatibility hack"""
pass
def main():
"""Parses command line and starts pyspread"""
# Initialize main application
app = MainApplication(0)
app.MainLoop()
if __name__ == "__main__":
if DEBUG:
import cProfile
cProfile.run('main()')
else:
main()
|
