Personal Computer World 2008 February/PCWFEB08.iso/Software/Freeware/Miro 1.0/Miro_Installer.exe/Miro_Downloader.exe/searchengines.pyc

Python Compiled Bytecode | 2007-11-12 | 5.7 KB | 201 lines

# Source Generated with Decompyle++
# File: in.pyc (Python 2.5)

import views
import indexes
import re
import template
from util import getSingletonDDBObject, checkU, returnsUnicode
from database import DDBObject
from xhtmltools import urlencode
from templatehelper import quoteattr, escape
from xml.dom.minidom import parse
import resources
import os
import config
import prefs
import logging

class SearchEngine(DDBObject):

    def __init__(self, name, title, url, sortOrder = 0):
        checkU(name)
        checkU(title)
        checkU(url)
        self.name = name
        self.title = title
        self.url = url
        self.sortOrder = sortOrder
        DDBObject.__init__(self)


    def getRequestURL(self, query, filterAdultContents, limit):
        requestURL = self.url.replace(u'%s', urlencode(query))
        requestURL = requestURL.replace(u'%a', unicode(int(not filterAdultContents)))
        requestURL = requestURL.replace(u'%l', unicode(int(limit)))
        return requestURL



def deleteEngines():
    for engine in views.searchEngines:
        engine.remove()



def searchForSearchEngines(dir):
    engines = { }

    try:
        for f in os.listdir(dir):
            if f.endswith('.xml'):
                engines[os.path.normcase(f)] = os.path.normcase(os.path.join(dir, f))
                continue
    except OSError:
        pass

    return engines


def warn(file, message):
    logging.warn('Error parsing searchengine: %s: %s', file, message)


def loadSearchEngine(file):

    try:
        dom = parse(file)
        id = None
        displayname = None
        url = None
        sort = None
        root = dom.documentElement
        for child in root.childNodes:
            if child.nodeType == child.ELEMENT_NODE:
                tag = child.tagName
                text = child.childNodes[0].data
                if tag == 'id':
                    if id != None:
                        warn(file, 'Duplicated id tag')
                        return None

                    id = text
                elif tag == 'displayname':
                    if displayname != None:
                        warn(file, 'Duplicated displayname tag')
                        return None

                    displayname = text
                elif tag == 'url':
                    if url != None:
                        warn(file, 'Duplicated url tag')
                        return None

                    url = text
                elif tag == 'sort':
                    if sort != None:
                        warn(file, 'Duplicated sort tag')
                        return None

                    sort = float(text)
                else:
                    warn(file, 'Unrecognized tag %s' % (tag,))
                    return None
            tag == 'id'

        dom.unlink()
        if id == None:
            warn(file, 'Missing id tag')
            return None

        if displayname == None:
            warn(file, 'Missing displayname tag')
            return None

        if url == None:
            warn(file, 'Missing url tag')
            return None

        if sort == None:
            sort = 0

        SearchEngine(id, displayname, url, sort)
    except:
        warn(file, 'Exception parsing file')



def createEngines():
    deleteEngines()
    searchEngines = searchForSearchEngines(resources.path('searchengines'))
    searchEngines.update(searchForSearchEngines(os.path.join(config.get(prefs.SUPPORT_DIRECTORY), 'searchengines')))
    for file in searchEngines.itervalues():
        loadSearchEngine(file)



def getRequestURL(engineName, query, filterAdultContents = True, limit = 50):
    if query == "LET'S TEST DTV'S CRASH REPORTER TODAY":
        someVariable = intentionallyUndefinedVariableToTestCrashReporter

    if query == "LET'S DEBUG DTV: DUMP DATABASE":
        import database
        database.defaultDatabase.liveStorage.dumpDatabase(database.defaultDatabase)
        return u''

    for engine in views.searchEngines:
        if engine.name == engineName:
            return engine.getRequestURL(query, filterAdultContents, limit)
            continue

    return u''

getRequestURL = returnsUnicode(getRequestURL)

def getSearchEnginesHTML():
    searchFeed = getSingletonDDBObject(views.feeds.filterWithIndex(indexes.feedsByURL, 'dtv:search'))
    enginesHTML = u'<select name="engines" onChange="updateLastSearchEngine()">\n'
    for engine in views.searchEngines:
        enginesHTML += u'<option value="%s"' % (quoteattr(engine.name),)
        if engine.name == searchFeed.lastEngine:
            enginesHTML += u' selected="selected"'

        enginesHTML += u'>'
        enginesHTML += escape(engine.title)
        enginesHTML += u'</option>'

    enginesHTML += u'</select>'
    return enginesHTML

getSearchEnginesHTML = returnsUnicode(getSearchEnginesHTML)

def getLastEngineTitle():
    last = getLastEngine()
    for engine in views.searchEngines:
        if engine.name == last:
            return engine.title
            continue

    return u''


def getLastEngine():
    searchFeed = _getSearchFeed()
    if not hasattr(searchFeed, 'lastEngine'):
        return u'youtube'

    return searchFeed.lastEngine


def getLastQuery():
    searchFeed = _getSearchFeed()
    if not hasattr(searchFeed, 'lastQuery'):
        return ''

    return searchFeed.lastQuery


def _getSearchFeed():
    return getSingletonDDBObject(views.feeds.filterWithIndex(indexes.feedsByURL, 'dtv:search'))