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#!/usr/bin/env python
# -*- coding: utf-8 -*- -*- mode: python -*-
"""
opens the demo console or directly an example defined by its number:
./demo.py 25
./demo.py -N 40b
usage: %prog [opts] ex_number
-N, --no-gtk-debug: gtk debug
-g, --gtk: gtk debug in window
-i, --interactive: set interactive so that ipython can interact
-t, --test: run all snippets and run t.reload() for each of them
-o, --offset=n: skip the first 'n' snippets
-n, --number=l: stop after 'n' snippets
-r, --reload: reload all snippets (some will stop for confirmation)
-e, --exit: exit on exception
-x, --existent-db: don't delete the demo db if it exists
"""
from __future__ import with_statement
import sys
import os
import sqlite3
import weakref
from contextlib import closing
pdir = os.path.dirname(os.getcwd())
ppdir = os.path.dirname(pdir)
sys.path.insert(0,pdir)
sys.path.insert(0,ppdir)
import sqlkit
from sqlkit.misc import optionparse
opts, args = optionparse.parse(__doc__)
import gtk
if opts.gtk:
from sqlkit import debug as dbg
dbg.debug(True)
dbg.debug(True, gtk=True)
dbg.trace_class(ok='SqlTable|SqlWidget|SqlMask|Completion')
but = 'set_fkey_descr|(lookup|get)_value' + \
'|lookup_value|is_fkey'
dbg.trace_function(exclude=but)
from demo_tour import Demo
from sqlkit.widgets import SqlMask, SqlTable
from sqlkit.db import proxy, defaults, utils
import model
class MissingExampleError(Exception): pass
def init_db():
if not os.access( model.DB_FILE, os.O_WRONLY ):
# No write access - work in a temporary directory
curdir = os.path.realpath( os.curdir )
tempdir = model.DB_DIR
os.chdir( tempdir )
dirs = ['model', 'images']
for a_dir in ['model', 'images']:
os.mkdir( a_dir )
for something in os.listdir( os.path.join( curdir, a_dir ) ):
real_path = os.path.join (curdir, a_dir, something )
os.symlink( real_path, os.path.join( a_dir, something ) )
for something in os.listdir( curdir ):
if something in dirs:
continue
real_path = os.path.join( curdir, something )
os.symlink( real_path, something )
with closing(sqlite3.connect(model.DB_FILE)) as db:
with open('model/schema.sql', 'r') as schema:
db.cursor().executescript(schema.read())
db.commit()
class DemoSql(Demo):
def load_module(self, demo):
### fill text: src, notes, and xml
self.insert_source(demo.body, self.src)
self.note.set_text(demo.doc)
### exec the example
GLOB = {
'sqlkit': sqlkit,
'SqlMask': SqlMask,
'SqlTable': SqlTable,
'gtk': gtk,
'db': model.db,
'model': model,
}
execfile(demo.filename, GLOB)
self.last_lo = GLOB['t'].lay_obj
self.last_w = GLOB['t'].widgets
self._t = weakref.ref(GLOB['t'])
try:
self.t1 = GLOB['t1']
except:
pass
#self.xml.set_text(GLOB['l'].xml())
self.create_widget_tree(toplevel=GLOB['t'].widgets['Window'])
self.prepare_treestore_for_elements(GLOB['t'].lay_obj.elements)
GLOB['t'].widgets['Window'].set_title(demo.filename)
self.w['Window'].set_title("Example: %s" % (demo.filename))
while gtk.events_pending():
gtk.main_iteration()
return GLOB['t']
@property
def t(self):
try:
return self._t()
except AttributeError:
raise MissingExampleError("The example was not found")
if not opts.existent_db and os.path.exists(model.DB_FILE):
try:
os.remove(model.DB_FILE)
except OSError:
print "No way to remove file", model.DB_FILE
# No write permission - no problem, a temporary db will be created
pass
if not os.path.exists(model.DB_FILE):
init_db()
d = DemoSql(xml=False, debug=True)
d.tv.collapse_all()
if not os.access('images', os.W_OK):
print "WARNING: \n Missing write permission on 'images' directory"
print " Image upload is not possible\n"
if args:
d.iconify()
d.load_module_by_idx(args[0])
def quit(widget):
gtk.main_quit()
try:
hid = d.t.connect('delete-event', quit)
d.t._ids['delete_event'] = (d.t, hid)
except MissingExampleError:
print "No such example ", args[0]
sys.exit(1)
except AttributeError, e:
pass
if opts.test:
start = opts.offset and int(opts.offset) or 0
stop = opts.number and start + int(opts.number) or None
print start, ':', stop
for demo in d.demos[start:stop]:
print "------------------ %s %s --------------" % (d.demos.index(demo), demo)
try:
t = d.load_module(demo)
if opts.reload:
t.reload()
except Exception, e:
print e
if opts.exit:
sys.exit(1)
if opts.gtk:
d.execute_clicked_cb
if __name__ == '__main__':
if opts.interactive:
try:
gtk.set_interactive(True)
except AttributeError:
print "This version of gtk doesn't have 'set_interactive', sorry."
sys.exit(1)
try:
import IPython
from IPython.Shell import IPShellEmbed
ipshell = IPShellEmbed([])
print "The last opened table is hold in variable 'd.t' (i.e.: demo.table)"
ipshell()
except ImportError, e:
print "Interactive demo needs ipython. Quitting."
else:
print "Try option -i to try sqlkit interactively"
gtk.main()
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