cco/cybertools
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

put all R handling to pyscript; add view for showing graphics (plots) from tmp files created by R

Browse source 
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2038 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2007-09-15 09:06:32 +00:00
parent d698ecd9e9
commit 3f55fe3161
4 changed files with 119 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
pyscript/plot.py Normal file
View file

@ -0,0 +1,60 @@
#
# Copyright (c) 2005 Helmut Merz helmutm@cy55.de
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
View class(es) for images (plots).
$Id$
"""
import os
from zope.interface import Interface, implements
from zope.cachedescriptors.property import Lazy
class PlotView(object):
""" Abstract basic view class for Flash movies .
The assessment attribute has to be set by the subclass.
"""
def __init__(self, context, request):
self.context = context
self.request = request
self.traverse_subpath = []
def publishTraverse(self, request, name):
self.traverse_subpath.append(name)
return self
def __call__(self):
path = str('/' + os.path.join(*self.traverse_subpath))
# TODO: keep path in temporary dictionary with hashed keys.
self.setHeaders(path)
f = open(path, 'rb')
data = f.read()
f.close()
return data
def setHeaders(self, name=None):
response = self.request.response
# TODO: get content type from name (extension)
response.setHeader('Content-Type', 'image/jpeg')
response.setHeader('Expires', 'Sat, 1 Jan 2000 00:00:00 GMT');
response.setHeader('Pragma', 'no-cache');

11
pyscript/rstat.py
View file

@ -22,6 +22,7 @@ Working transparently with the R statistics package.
$Id$
"""
import os
import rpy
from rpy import r
from zope.proxy import removeAllProxies
@ -34,18 +35,22 @@ class RWrapper(object):
def __getattr__(self, attr):
value = getattr(self.context, attr)
# TODO (Zope 2): return aq_base(value)
return removeAllProxies(value)
def __call__(self, *args, **kw):
value = self.context.__call__(*args, **kw)
value = removeAllProxies(value)
return RWrapper(value)
# TODO (subclass for Zope 2): return aq_base(value)
r = RWrapper(r)
with_mode = RWrapper(rpy.with_mode)
as_py = RWrapper(rpy.as_py)
#as_py = RWrapper(rpy.as_py)
def graphics(*args, **kw):
filename = os.tempnam()
rc = r.GDD(filename, *args, **kw)
return filename + '.jpg', rc

71
pyscript/script.py
View file

@ -1,45 +1,50 @@
##############################################################################
#
# Copyright (c) 2004 Zope Corporation and Contributors.
# All Rights Reserved.
# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
# This program 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 2 of the License, or
# (at your option) any later version.
#
##############################################################################
"""Python Page
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
""" Simple implementation of Python scripts.
$Id$
"""
__docformat__ = 'restructuredtext'
import new
import re
import compiler.pycodegen
from cStringIO import StringIO
from persistent import Persistent
from zope.proxy import removeAllProxies
from zope.security.untrustedpython.builtins import SafeBuiltins
#from zope.security.untrustedpython.rcompile import compile
from zope.traversing.api import getParent, getPath
from zope.app.container.contained import Contained
from zope.interface import implements
from zope.app.i18n import ZopeMessageFactory as _
from cybertools.pyscript.interfaces import IPythonScript, IScriptContainer
import compiler.pycodegen
import RestrictedPython.RCompile
from RestrictedPython.SelectCompiler import ast
from zope.app.container.btree import BTreeContainer
from zope.app.container.contained import Contained
from zope.interface import implements
from zope.proxy import removeAllProxies
from zope.security.untrustedpython.builtins import SafeBuiltins
from zope.security.untrustedpython.rcompile import RestrictionMutator as BaseRM
from zope.traversing.api import getParent, getPath
from cybertools.pyscript.interfaces import IPythonScript, IScriptContainer
try:
from cybertools.pyscript.rstat import r, rpy
HAS_R = True
except ImportError:
HAS_R = False
unrestricted_objects = ('rpy', 'r', 'as_py')
unrestricted_objects = ('rpy', 'r', 'as_py', 'rstat')
def compile(text, filename, mode):
@ -60,6 +65,7 @@ class RExpression(RestrictedPython.RCompile.RestrictedCompileMode):
self, source, filename)
self.rm = RestrictionMutator()
class RestrictionMutator(BaseRM):
unrestricted_objects = unrestricted_objects
@ -173,3 +179,16 @@ def _print_usrc(match):
if raw:
return match.group(1)+'print '+`string`
return match.group(1)+'print '+match.group(3).encode('unicode-escape')
class ScriptContainer(BTreeContainer):
implements(IScriptContainer)
unrestricted_objects = ('rstat') # not used (yet)
def updateGlobals(self, globs):
if HAS_R:
from cybertools.pyscript import rstat
globs['rstat'] = rstat

14
pyscript/tests.py
View file

@ -17,7 +17,7 @@ $Id$
"""
import unittest, doctest
import zope.component
from zope import component
from zope.interface import implements
from zope.location.traversing import LocationPhysicallyLocatable
from zope.testing.doctestunit import DocFileSuite
@ -25,10 +25,11 @@ from zope.traversing.interfaces import IContainmentRoot
from zope.traversing.interfaces import IPhysicallyLocatable
from zope.traversing.adapters import RootPhysicallyLocatable
from zope.app.container.contained import Contained
from zope.app.testing import placelesssetup, ztapi
from zope.app.testing import placelesssetup
from cybertools.pyscript.script import ScriptContainer
class Root(Contained):
class Root(ScriptContainer, Contained):
implements(IContainmentRoot)
__parent__ = None
@ -37,11 +38,8 @@ class Root(Contained):
def setUp(test):
placelesssetup.setUp()
ztapi.provideAdapter(None, IPhysicallyLocatable,
LocationPhysicallyLocatable)
ztapi.provideAdapter(IContainmentRoot, IPhysicallyLocatable,
RootPhysicallyLocatable)
component.provideAdapter(LocationPhysicallyLocatable)
component.provideAdapter(RootPhysicallyLocatable)
def test_suite():