dosage/dosagelib/helpers.py
2013-02-12 17:55:13 +01:00

46 lines
1.5 KiB
Python

# -*- coding: iso-8859-1 -*-
# Copyright (C) 2004-2005 Tristan Seligmann and Jonathan Jacobs
# Copyright (C) 2012-2013 Bastian Kleineidam
from .util import fetchUrl, getPageContent, getQueryParams
def queryNamer(paramName, usePageUrl=False):
"""Get name from URL query part."""
@classmethod
def _namer(cls, imageUrl, pageUrl):
"""Get URL query part."""
url = (imageUrl, pageUrl)[usePageUrl]
return getQueryParams(url)[paramName][0]
return _namer
def regexNamer(regex):
"""Get name from regular expression."""
@classmethod
def _namer(cls, imageUrl, pageUrl):
"""Get first regular expression group."""
mo = regex.search(imageUrl)
if mo:
return mo.group(1)
return _namer
def bounceStarter(url, nextSearch):
"""Get start URL by "bouncing" back and forth one time."""
@classmethod
def _starter(cls):
"""Get bounced start URL."""
data, baseUrl = getPageContent(url, cls.session)
url1 = fetchUrl(url, data, baseUrl, cls.prevSearch)
data, baseUrl = getPageContent(url1, cls.session)
return fetchUrl(url1, data, baseUrl, nextSearch)
return _starter
def indirectStarter(url, latestSearch):
"""Get start URL by indirection."""
@classmethod
def _starter(cls):
"""Get indirect start URL."""
data, baseUrl = getPageContent(url, cls.session)
return fetchUrl(url, data, baseUrl, latestSearch)
return _starter