- Can perform survey from command line interface too

- Module to send survey directly
- Can check the latest version from the svn repository



git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@311 014f5005-505e-4b48-8d0a-63407b615a7c

CHANGELOG

@@ -3,6 +3,7 @@
 - Forces relations to have correct names for attributes
 - Colored output in readline mode
 - Can send email in survery
+- Can check for new version online
 
 1.0
 - Adds history in the GUI

relational/maintenance.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# Relational
+# Copyright (C) 2008  Salvo "LtWorf" Tomaselli
+# 
+# Relation 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.
+# 
+# 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, see <http://www.gnu.org/licenses/>.
+# 
+# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
+#
+# Stuff non-related to relational algebra, but used for maintenance.
+
+import httplib
+import urllib
+
+def send_survey(data):
+    '''Sends the survey. Data must be a dictionary.
+    returns the http response'''
+    
+    post=''
+    for i in data.keys():
+        post+='%s: %s\n' %(i,data[i])
+    
+    #sends the string
+    params = urllib.urlencode({'survey':post})
+    headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"}
+    connection = httplib.HTTPConnection('galileo.dmi.unict.it')
+    connection.request("POST","/~ltworf/survey.php",params,headers)
+    return connection.getresponse()
+
+
+def check_latest_version():
+    '''Returns the latest version available.
+    Heavely dependent on server and server configurations
+    not granted to work forever.'''
+    connection = httplib.HTTPConnection('galileo.dmi.unict.it')
+    connection.request("GET","/svn/relational/tags/")
+    r=connection.getresponse()
+    
+    #html
+    s=r.read()
+    
+    l= s[s.find('<ul>')+4:s.find('</ul>')].split('\n')
+    l.sort()
+    a=l[len(l)-1]
+    
+    s=a.find('"')+1
+    return a[s:a.find('"',s)-1]

relational_gui.py

@@ -91,6 +91,7 @@ if __name__ == "__main__":
             
         about.version=version
         surveyForm.version=version
+        guihandler.version=version
 
         app = QtGui.QApplication(sys.argv)
         
@@ -122,5 +123,6 @@ if __name__ == "__main__":
         except:
             print >> sys.stderr, "Module relational_readline is missing.\nPlease install relational-cli package."
             sys.exit(3)
+        relational_readline.linegui.version=version
         relational_readline.linegui.main(files)
 

relational_gui/guihandler.py

@@ -37,6 +37,19 @@ class relForm(QtGui.QMainWindow):
         self.selectedRelation=None
         self.ui=ui
         self.qcounter=1 #Query counter
+    def checkVersion(self):
+        from relational import maintenance
+        online=maintenance.check_latest_version()
+        
+        if online>version:
+            r=QtGui.QApplication.translate("Form", "New version available online: %s." % online)
+        elif online==version:
+            r=QtGui.QApplication.translate("Form", "Latest version installed.")
+        else:
+            r=QtGui.QApplication.translate("Form", "You are using an unstable version.")
+        
+        QtGui.QMessageBox.information(self,QtGui.QApplication.translate("Form", "Version"),r)
+        
         
     def load_query(self,*index):
         self.ui.txtQuery.setText(self.savedQ.itemData(index[0]).toString())

relational_gui/maingui.py

@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'maingui.ui'
 #
-# Created: Mon Mar 21 00:21:36 2011
+# Created: Tue Jun 14 18:13:03 2011
 #      by: PyQt4 UI code generator 4.8.3
 #
 # WARNING! All changes made in this file will be lost!
@@ -227,11 +227,14 @@ class Ui_MainWindow(object):
         self.action_Quit = QtGui.QAction(MainWindow)
         self.action_Quit.setMenuRole(QtGui.QAction.QuitRole)
         self.action_Quit.setObjectName(_fromUtf8("action_Quit"))
+        self.actionCheck_for_new_versions = QtGui.QAction(MainWindow)
+        self.actionCheck_for_new_versions.setObjectName(_fromUtf8("actionCheck_for_new_versions"))
         self.menuFile.addAction(self.action_Load_relation)
         self.menuFile.addAction(self.action_Save_relation)
         self.menuFile.addSeparator()
         self.menuFile.addAction(self.action_Quit)
         self.menuAbout.addAction(self.actionAbout)
+        self.menuAbout.addAction(self.actionCheck_for_new_versions)
         self.menubar.addAction(self.menuFile.menuAction())
         self.menubar.addAction(self.menuAbout.menuAction())
         self.label.setBuddy(self.txtQuery)
@@ -272,6 +275,7 @@ class Ui_MainWindow(object):
         QtCore.QObject.connect(self.action_Load_relation, QtCore.SIGNAL(_fromUtf8("triggered()")), MainWindow.loadRelation)
         QtCore.QObject.connect(self.action_Save_relation, QtCore.SIGNAL(_fromUtf8("triggered()")), MainWindow.saveRelation)
         QtCore.QObject.connect(self.action_Quit, QtCore.SIGNAL(_fromUtf8("triggered()")), MainWindow.close)
+        QtCore.QObject.connect(self.actionCheck_for_new_versions, QtCore.SIGNAL(_fromUtf8("triggered()")), MainWindow.checkVersion)
         QtCore.QMetaObject.connectSlotsByName(MainWindow)
         MainWindow.setTabOrder(self.cmdAbout, self.cmdSurvey)
         MainWindow.setTabOrder(self.cmdSurvey, self.cmdProduct)
@@ -347,4 +351,5 @@ class Ui_MainWindow(object):
         self.action_Save_relation.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+S", None, QtGui.QApplication.UnicodeUTF8))
         self.action_Quit.setText(QtGui.QApplication.translate("MainWindow", "&Quit", None, QtGui.QApplication.UnicodeUTF8))
         self.action_Quit.setShortcut(QtGui.QApplication.translate("MainWindow", "Ctrl+Q", None, QtGui.QApplication.UnicodeUTF8))
+        self.actionCheck_for_new_versions.setText(QtGui.QApplication.translate("MainWindow", "Check for new versions", None, QtGui.QApplication.UnicodeUTF8))
 

relational_gui/maingui.ui

@@ -444,6 +444,7 @@
     </property>
     <action name=""/>
     <addaction name="actionAbout"/>
+    <addaction name="actionCheck_for_new_versions"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menuAbout"/>
@@ -483,6 +484,11 @@
     <enum>QAction::QuitRole</enum>
    </property>
   </action>
+  <action name="actionCheck_for_new_versions">
+   <property name="text">
+    <string>Check for new versions</string>
+   </property>
+  </action>
  </widget>
  <tabstops>
   <tabstop>cmdAbout</tabstop>
@@ -1079,9 +1085,26 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>actionCheck_for_new_versions</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>checkVersion()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>399</x>
+     <y>305</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>execute()</slot>
+  <slot>checkVersion()</slot>
   <slot>showAbout()</slot>
   <slot>showSurvey()</slot>
   <slot>addProduct()</slot>

relational_gui/surveyForm.py

@@ -18,8 +18,7 @@
 # author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
 from PyQt4 import QtCore, QtGui
 
-import httplib
+from relational import maintenance
-import urllib
 import platform
 import locale
 
@@ -53,16 +52,17 @@ class surveyForm (QtGui.QWidget):
             pass
     def send(self):
         '''Sends the data inserted in the form'''
-        #Creates the string
+        
-        post="Relational algebra\n"
+        post={}
-        post+="version: " + version + "\n"
+        post['software']="Relational algebra"
-        post+="system:" + str(self.ui.txtSystem.text().toUtf8())+ "\n"
+        post["version"]= version
-        post+="country:" + str(self.ui.txtCountry.text().toUtf8())+ "\n"
+        post["system"]= str(self.ui.txtSystem.text().toUtf8())
-        post+="school:" + str(self.ui.txtSchool.text().toUtf8())+ "\n"
+        post["country"]= str(self.ui.txtCountry.text().toUtf8())
-        post+="age:" + str(self.ui.txtAge.text().toUtf8())+ "\n"
+        post["school"]= str(self.ui.txtSchool.text().toUtf8())
-        post+="find:" + str(self.ui.txtFind.text().toUtf8())+ "\n"
+        post["age"] = str(self.ui.txtAge.text().toUtf8())
-        post+="email:" + str(self.ui.txtEmail.text().toUtf8())+"\n"
+        post["find"] = str(self.ui.txtFind.text().toUtf8())
-        post+="comments:" + str(self.ui.txtComments.toPlainText().toUtf8())
+        post["email"] =str(self.ui.txtEmail.text().toUtf8())
+        post["comments"] = str(self.ui.txtComments.toPlainText().toUtf8())
     
         #Clears the form
         self.ui.txtSystem.clear()
@@ -73,12 +73,8 @@ class surveyForm (QtGui.QWidget):
         self.ui.txtEmail.clear()
         self.ui.txtComments.clear()
         
-        #sends the string
+        response=maintenance.send_survey(post)
-        params = urllib.urlencode({'survey':post})
+    
-        headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"}
-        connection = httplib.HTTPConnection('galileo.dmi.unict.it')
-        connection.request("POST","/~ltworf/survey.php",params,headers)
-        response=connection.getresponse()
         if response.status!=200:
             QtGui.QMessageBox.information(None,QtGui.QApplication.translate("Form", "Error"),QtGui.QApplication.translate("Form", "Unable to send the data!")  )
         else:

relational_readline/linegui.py

@@ -93,7 +93,7 @@ class SimpleCompleter(object):
 
 
 relations={}
-completer=SimpleCompleter(['LIST','LOAD ','UNLOAD ','HELP ','QUIT','SAVE ','_PRODUCT ','_UNION ','_INTERSECTION ','_DIFFERENCE ','_JOIN ','_LJOIN ','_RJOIN ','_FJOIN ','_PROJECTION ','_RENAME_TO ','_SELECTION ','_RENAME ','_DIVISION '])
+completer=SimpleCompleter(['SURVEY','LIST','LOAD ','UNLOAD ','HELP ','QUIT','SAVE ','_PRODUCT ','_UNION ','_INTERSECTION ','_DIFFERENCE ','_JOIN ','_LJOIN ','_RJOIN ','_FJOIN ','_PROJECTION ','_RENAME_TO ','_SELECTION ','_RENAME ','_DIVISION '])
 
 def load_relation(filename,defname=None):
     if not os.path.isfile(filename):
@@ -119,6 +119,18 @@ def load_relation(filename,defname=None):
         print >>sys.stderr,colored(e,'red')
         return None
 
+def survey():
+    '''performs a survey'''
+    from relational import maintenance
+    
+    post= {'software':'Relational algebra (cli)','version':version}
+
+    fields=('System','Country','School','Age','How did you find','email (only if you want a reply)','Comments')
+    for i in fields:
+        a=raw_input('%s: '%i)
+        post[i]=a
+    maintenance.send_survey(post)
+
 def help(command):
     '''Prints help on the various functions'''
     p=command.split(' ',1)
@@ -146,6 +158,8 @@ def help(command):
         print "Saves a relation in a file"
     elif cmd=='HELP':
         print "Prints the help on a command"
+    elif cmd=='SURVEY':
+        print "Fill and send a survey"
     else:
         print "Unknown command: %s" %cmd
         
@@ -163,6 +177,8 @@ def exec_line(command):
         for i in relations:
             if not i.startswith('_'):
                 print i
+    elif command=='SURVEY':
+        survey()
     elif command.startswith('LOAD '):      #Loads a relation
         pars=command.split(' ')
         if len(pars)==1: