Módulo Python com classes para manipulação de relatórios produzidos no Eclipse BIRT

sigi/birtReport/birtReport.py

@@ -0,0 +1,108 @@
+'''
+Created on 11/05/2011
+
+@author: sesostris
+'''
+import os
+import xml.dom.minidom as minidom
+
+class BirtReport():
+    '''
+    Handles a birtReport report
+    '''
+    
+    rptFile = ''
+
+    def __init__(self, rptFile):
+        '''
+        rptFile param is the FQN of birt report file 
+        '''
+        self.rptFile = rptFile
+        
+    def rptExists(self):
+        return os.path.isfile(self.rptFile)
+    
+    def getReportParams(self):
+        if not self.rptExists():
+            return {}
+        
+        formFields    = {}
+        doc           = minidom.parse(self.rptFile)
+        parameterTags = doc.getElementsByTagName("parameters")
+
+        for parameterTag in parameterTags:
+            for parameter in parameterTag.childNodes:
+                if parameter.nodeType != minidom.Element.TEXT_NODE:
+                    formField = {}
+                    for property in parameter.childNodes:
+                        if property.nodeType != minidom.Element.TEXT_NODE and property.hasChildNodes():
+                            fieldName  = property.getAttribute('name').encode('ascii')
+                            fieldValue = property.childNodes[0].nodeValue
+                    
+                            if fieldName == 'selectionList':
+                                fieldValue = ()
+                                for structure in property.getElementsByTagName('structure'):
+                                    s = {}
+                                
+                                    for structProp in structure.getElementsByTagName('property'):
+                                        s[structProp.getAttribute('name').encode('ascii')] = structProp.childNodes[0].nodeValue
+                                    
+                                    fieldValue = fieldValue + (s,)
+                                    
+                            if fieldName == 'defaultValue':
+                                fieldValue = ()
+                                for value in property.getElementsByTagName('value'):
+                                    if value.getAttribute('type') == 'constant':
+                                        fieldValue = fieldValue + (value.childNodes[0].nodeValue, )
+                    
+                            formField[fieldName] = fieldValue 
+            
+                    if formField['valueType'] == 'dynamic':
+                        for dataSets in doc.getElementsByTagName("data-sets"):
+                            for dataSet in dataSets.getElementsByTagName("oda-data-set"):
+                                if dataSet.getAttribute('name') == formField['dataSetName']:
+                                    for xmlProp in dataSet.getElementsByTagName('xml-property'):
+                                        if xmlProp.getAttribute('name') == 'queryText':
+                                            formField['queryText'] = xmlProp.childNodes[0].data
+                        
+                        try:
+                            from django.db import connection
+                            cursor = connection.cursor()
+                            cursor.execute(formField['queryText'])
+                            resultSet = cursor.fetchall()
+                            formField['selectionList'] = ()
+                            for record in resultSet:
+                                formField['selectionList'] = formField['selectionList'] + ({'value': record[0],'label': record[1]},)
+                                
+#                            formField['selectionList'] = resultSet
+                        except:
+                            formField['selectionList'] = {}
+                    
+                    formFields[parameter.getAttribute('name').encode('ascii')] = formField
+
+        return formFields
+    
+    def getName(self):
+        doc  = minidom.parse(self.rptFile)
+        root = doc.documentElement
+
+        for element in root.childNodes:
+            if (element.localName == "text-property" and element.hasAttribute("name") and element.getAttribute("name") == 'displayName'):
+                return element.childNodes[0].data
+    
+    def getTitle(self):
+        doc  = minidom.parse(self.rptFile)
+        root = doc.documentElement
+
+        for element in root.childNodes:
+            if (element.localName == "text-property" and element.hasAttribute("name") and element.getAttribute("name") == 'title'):
+                return element.childNodes[0].data
+        
+        
+
+#r = birtReport('/home/sesostris/workspace/sigi/BIRT_Reports/teste_parametros.rptdesign')
+#p = r.getReportParams()
+#print p['prm_estado']
+
+#for q in p:
+#    print q

sigi/birtReport/birtReportTree.py

@@ -0,0 +1,57 @@
+# -*- encoding: utf-8 -*-
+'''
+Created on 11/05/2011
+
+@author: sesostris
+'''
+
+import os
+import xml.dom.minidom as minidom
+
+class BirtReportTree():
+    '''Gerencia uma árvore de relatórios birtReports, permitindo montar telas
+       de navegação (menus) para acessar os relatórios'''
+    birtReportRoot = '/'
+
+    def __init__(self, root = '/'):
+        self.birtReportRoot = root
+    
+    def getRootItems(self):
+        return self.getFolderItems('')
+    
+    def getFolderItems(self, folder):
+        folder  = self.birtReportRoot + folder
+        items   = {'folders': {}, 'reports': {}}
+        dirList = os.listdir(folder)
+        
+        for fname in dirList:
+            name  = fname
+            title = "- * -"
+            
+            if os.path.isdir(folder + fname) and fname[0] != '.':
+                # Tratar folders #
+                if os.path.isfile(folder + fname + '/.birtfolder'):
+                    fd = os.open(folder + fname + '/.birtfolder', os.O_RDONLY)
+                    try:
+                        data = eval(os.read(fd, 4096))
+                        name  = data['name']
+                        title = data['title']
+                    finally:
+                        os.close(fd)
+                items['folders'][fname] = {'name': name, 'title': title}
+            elif fname[-10:] == '.rptdesign' and fname[0] != '.':
+                doc  = minidom.parse(folder + fname)
+                root = doc.documentElement
+
+                for element in root.childNodes:
+                    if (element.localName == "text-property" and element.hasAttribute("name")):
+                        name  = element.getAttribute("name")
+                        value = element.childNodes[0].data
+                        if name == "title":
+                            title = value
+                        elif name == "displayName":
+                            name = value
+        
+                items['reports'][fname] = {'name': name, 'title': title}
+
+        return items