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"""
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Export table or query data.
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Description:
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This script exports a KexiDB table or query to different fileformats.
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Author:
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Sebastian Sauer <mail@dipe.org>
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Copyright:
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Dual-licensed under LGPL v2+higher and the BSD license.
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"""
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class Datasource:
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def __init__(self):
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import kexiapp
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keximainwindow = kexiapp.get("KexiAppMainWindow")
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try:
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self.connection = keximainwindow.getConnection()
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except:
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raise "No connection established. Please open a project before."
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self.schema = None
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def getSources(self):
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sources = []
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for table in self.connection.tableNames():
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sources.append("Tables/%s" % table)
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for query in self.connection.queryNames():
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sources.append("Queries/%s" % query)
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sources.sort()
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return sources
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def setSource(self, source):
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s = source.split("/",1)
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if s[0] == "Tables":
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self.schema = self.connection.tableSchema( s[1] )
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self.queryschema = self.schema.query()
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elif s[0] == "Queries":
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self.schema = self.connection.querySchema( s[1] )
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self.queryschema = self.schema
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self.cursor = None
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return self.schema != None
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def name(self):
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return self.schema.name()
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def caption(self):
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return self.schema.caption()
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def description(self):
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return self.schema.description()
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def header(self):
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h = []
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for field in self.schema.fieldlist().fields():
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s = field.caption()
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if s == None or s == "":
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s = field.name()
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h.append(s)
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return h
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def getNext(self):
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if not self.cursor:
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self.cursor = self.connection.executeQuerySchema( self.queryschema )
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if not self.cursor:
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raise "Failed to execute queryschema."
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if not self.cursor.moveFirst():
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raise "Failed to move cursor to first record."
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if self.cursor.eof():
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self.cursor = None
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return None
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items = []
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for i in range( self.cursor.fieldCount() ):
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items.append( self.cursor.value(i) )
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self.cursor.moveNext()
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return items
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class HtmlExporter:
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def __init__(self, datasource):
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self.datasource = datasource
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def htmlescape(self, text):
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import string
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return string.replace(string.replace(string.replace(str(text),'&','&'),'<','<'),'>','>')
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def write(self, output, style):
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name = self.datasource.name()
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output.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n")
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output.write("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n")
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output.write("<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">\n")
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output.write("<head><title>%s</title>\n" % name)
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output.write("<style type=\"text/css\">\n<!--\n")
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if style == "Paper":
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output.write("html { background-color:#efefef; }")
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output.write("body { background-color:#fafafa; color:#303030; margin:1em; padding:1em; border:#606060 1px solid; }")
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elif style == "Blues":
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output.write("html { background-color:#0000aa; }")
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output.write("body { background-color:#000066; color:#efefff; margin:1em; padding:1em; border:#00f 1px solid; }")
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output.write("h1 { color:#0000ff; }")
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output.write("th { color:#0000aa; }")
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else:
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output.write("html { background-color:#ffffff; color:#000; }")
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output.write("body { margin:1em; }")
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output.write("\n//-->\n</style>\n")
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output.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n")
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output.write("</head><body><h1>%s</h1>\n" % name)
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caption = self.datasource.caption()
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if caption and caption != name:
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output.write("caption: %s<br />\n" % caption)
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description = self.datasource.description()
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if description:
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output.write("description: %s<br />\n" % description)
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#import datetime
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#output.write("date: %s<br />" % datetime.datetime.now())
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output.write("<table border='1'>\n")
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output.write("<tr>")
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for h in self.datasource.header():
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output.write("<th>%s</th>" % h)
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output.write("</tr>")
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while 1 == 1:
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items = self.datasource.getNext()
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if items == None: break
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output.write("<tr>")
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for item in items:
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u = unicode(str(self.htmlescape(item)),"latin-1")
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output.write("<td>%s</td>" % u.encode("utf-8"))
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output.write("</tr>\n")
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output.write("</table>\n")
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output.write("</body></html>\n")
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class GuiApp:
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def __init__(self, datasource):
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self.datasource = datasource
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try:
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import gui
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except:
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raise "Import of the Kross GUI module failed."
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self.dialog = gui.Dialog("Export XHTML")
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self.dialog.addLabel(self.dialog, "Export a table- or query-datasource to a XHTML-file.")
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datasourceitems = self.datasource.getSources()
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self.datasourcelist = self.dialog.addList(self.dialog, "Datasource:", datasourceitems)
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styleitems = ["Plain", "Paper", "Blues"]
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self.stylelist = self.dialog.addList(self.dialog, "Style:", styleitems)
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#queryframe = Tkinter.Frame(frame)
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#queryframe.pack()
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#Tkinter.Label(queryframe, text="Table or query to export:").pack(side=Tkinter.LEFT)
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#self.querycontent = Tkinter.StringVar()
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#self.query = apply(Tkinter.OptionMenu, (queryframe, self.querycontent) + tuple( self.datasource.getSources() ))
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#self.query.pack(side=Tkinter.LEFT)
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self.file = self.dialog.addFileChooser(self.dialog,
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"File:",
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gui.getHome() + "/kexidata.xhtml",
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(('XHTML files', '*.xhtml'),('All files', '*')))
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btnframe = self.dialog.addFrame(self.dialog)
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self.dialog.addButton(btnframe, "Export", self.doExport)
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self.dialog.addButton(btnframe, "Cancel", self.dialog.close)
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self.dialog.show()
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def doExport(self):
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file = str( self.file.get() )
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query = str( self.datasourcelist.get() )
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print "Exporting '%s' to file '%s' ..." % (query,file)
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if not self.datasource.setSource(query):
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raise "Invalid datasource selected."
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#return
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style = str( self.stylelist.get() )
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f = open(file, "w")
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global HtmlExporter
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exporter = HtmlExporter(self.datasource)
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exporter.write(f, style)
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f.close()
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print "Successfully exported '%s' to file %s" % (query,file)
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self.dialog.close()
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GuiApp( Datasource() )
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