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Explicit exception handling

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bzr-revno: 974
This commit is contained in:
Jon Tibble 2010-07-27 16:01:06 +01:00
commit dfcd2f6293
1 changed files with 42 additions and 19 deletions
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61
openlp/plugins/bibles/lib/http.py
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@ -30,6 +30,7 @@ import re
import sqlite3
import urllib
import urllib2
from HTMLParser import HTMLParseError
from BeautifulSoup import BeautifulSoup, NavigableString
@ -201,12 +202,26 @@ class BGExtract(BibleCommon):
url_params = urllib.urlencode(
{u'search': u'%s %s' % (bookname, chapter),
u'version': u'%s' % version})
page = urllib2.urlopen(
u'http://www.biblegateway.com/passage/?%s' % url_params)
log.debug(u'BibleGateway url = %s' % page.geturl())
Receiver.send_message(u'openlp_process_events')
page = None
try:
page = urllib2.urlopen(
u'http://www.biblegateway.com/passage/?%s' % url_params)
log.debug(u'BibleGateway url = %s' % page.geturl())
Receiver.send_message(u'openlp_process_events')
except urllib2.URLError:
log.exception(u'The web bible page could not be downloaded.')
finally:
if not page:
return None
cleaner = [(re.compile('&nbsp;|<br />'), lambda match: '')]
soup = BeautifulSoup(page, markupMassage=cleaner)
soup = None
try:
soup = BeautifulSoup(page, markupMassage=cleaner)
except HTMLParseError:
log.exception(u'BeautifulSoup could not parse the bible page.')
finally:
if not soup:
return None
Receiver.send_message(u'openlp_process_events')
footnotes = soup.findAll(u'sup', u'footnote')
[footnote.extract() for footnote in footnotes]
@ -250,11 +265,23 @@ class CWExtract(BibleCommon):
chapter_url = u'http://www.biblestudytools.com/%s/%s/%s.html' % \
(version, urlbookname.lower(), chapter)
log.debug(u'URL: %s', chapter_url)
page = urllib2.urlopen(chapter_url)
Receiver.send_message(u'openlp_process_events')
if not page:
return None
soup = BeautifulSoup(page)
page = None
try:
page = urllib2.urlopen(chapter_url)
Receiver.send_message(u'openlp_process_events')
except urllib2.URLError:
log.exception(u'The web bible page could not be downloaded.')
finally:
if not page:
return None
soup = None
try:
soup = BeautifulSoup(page)
except HTMLParseError:
log.exception(u'BeautifulSoup could not parse the bible page.')
finally:
if not soup:
return None
Receiver.send_message(u'openlp_process_events')
htmlverses = soup.findAll(u'span', u'versetext')
verses = {}
@ -404,15 +431,11 @@ class HTTPBible(BibleDB):
"""
log.debug(u'get_chapter %s, %s', book, chapter)
log.debug(u'source = %s', self.download_source)
try:
if self.download_source.lower() == u'crosswalk':
ev = CWExtract(self.proxy_server)
else:
ev = BGExtract(self.proxy_server)
return ev.get_bible_chapter(self.download_name, book, chapter)
except:
log.exception("Failed to get bible chapter")
return None
if self.download_source.lower() == u'crosswalk':
ev = CWExtract(self.proxy_server)
else:
ev = BGExtract(self.proxy_server)
return ev.get_bible_chapter(self.download_name, book, chapter)
def get_books(self):
"""