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