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Catch songselect connections error. Fixes bug 1464421.

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Fixes: https://launchpad.net/bugs/1464421
This commit is contained in:
Tomas Groth 2015-06-17 18:46:45 +01:00
parent 3b0b75e5b6
commit 03b5ec6d16
1 changed files with 30 additions and 13 deletions
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43
openlp/plugins/songs/lib/songselect.py
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@ -25,8 +25,10 @@ The :mod:`~openlp.plugins.songs.lib.songselect` module contains the SongSelect i
import logging
from http.cookiejar import CookieJar
from urllib.parse import urlencode
from urllib.request import HTTPCookieProcessor, HTTPError, build_opener
from urllib.request import HTTPCookieProcessor, URLError, build_opener
from html.parser import HTMLParser
from html import unescape
from bs4 import BeautifulSoup, NavigableString
@ -72,7 +74,11 @@ class SongSelectImport(object):
"""
if callback:
callback()
login_page = BeautifulSoup(self.opener.open(LOGIN_URL).read(), 'lxml')
try:
login_page = BeautifulSoup(self.opener.open(LOGIN_URL).read(), 'lxml')
except (TypeError, URLError) as e:
log.exception('Could not login to SongSelect, %s', e)
return False
if callback:
callback()
token_input = login_page.find('input', attrs={'name': '__RequestVerificationToken'})
@ -82,7 +88,11 @@ class SongSelectImport(object):
'Password': password,
'RememberMe': 'false'
})
posted_page = BeautifulSoup(self.opener.open(LOGIN_URL, data.encode('utf-8')).read(), 'lxml')
try:
posted_page = BeautifulSoup(self.opener.open(LOGIN_URL, data.encode('utf-8')).read(), 'lxml')
except (TypeError, URLError) as e:
log.exception('Could not login to SongSelect, %s', e)
return False
if callback:
callback()
return not posted_page.find('input', attrs={'name': '__RequestVerificationToken'})
@ -91,7 +101,10 @@ class SongSelectImport(object):
"""
Log the user out of SongSelect
"""
self.opener.open(LOGOUT_URL)
try:
self.opener.open(LOGOUT_URL)
except (TypeError, URLError) as e:
log.exception('Could not log of SongSelect, %s', e)
def search(self, search_text, max_results, callback=None):
"""
@ -108,14 +121,18 @@ class SongSelectImport(object):
while True:
if current_page > 1:
params['page'] = current_page
results_page = BeautifulSoup(self.opener.open(SEARCH_URL + '?' + urlencode(params)).read(), 'lxml')
search_results = results_page.find_all('li', 'result pane')
try:
results_page = BeautifulSoup(self.opener.open(SEARCH_URL + '?' + urlencode(params)).read(), 'lxml')
search_results = results_page.find_all('li', 'result pane')
except (TypeError, URLError) as e:
log.exception('Could not search SongSelect, %s', e)
search_results = None
if not search_results:
break
for result in search_results:
song = {
'title': self.html_parser.unescape(result.find('h3').string),
'authors': [self.html_parser.unescape(author.string) for author in result.find_all('li')],
'title': unescape(result.find('h3').string),
'authors': [unescape(author.string) for author in result.find_all('li')],
'link': BASE_URL + result.find('a')['href']
}
if callback:
@ -138,20 +155,20 @@ class SongSelectImport(object):
callback()
try:
song_page = BeautifulSoup(self.opener.open(song['link']).read(), 'lxml')
except (TypeError, HTTPError) as e:
except (TypeError, URLError) as e:
log.exception('Could not get song from SongSelect, %s', e)
return None
if callback:
callback()
try:
lyrics_page = BeautifulSoup(self.opener.open(song['link'] + '/lyrics').read(), 'lxml')
except (TypeError, HTTPError):
except (TypeError, URLError):
log.exception('Could not get lyrics from SongSelect')
return None
if callback:
callback()
song['copyright'] = '/'.join([li.string for li in song_page.find('ul', 'copyright').find_all('li')])
song['copyright'] = self.html_parser.unescape(song['copyright'])
song['copyright'] = unescape(song['copyright'])
song['ccli_number'] = song_page.find('ul', 'info').find('li').string.split(':')[1].strip()
song['verses'] = []
verses = lyrics_page.find('section', 'lyrics').find_all('p')
@ -164,9 +181,9 @@ class SongSelectImport(object):
else:
verse['lyrics'] += '\n'
verse['lyrics'] = verse['lyrics'].strip(' \n\r\t')
song['verses'].append(self.html_parser.unescape(verse))
song['verses'].append(unescape(verse))
for counter, author in enumerate(song['authors']):
song['authors'][counter] = self.html_parser.unescape(author)
song['authors'][counter] = unescape(author)
return song
def save_song(self, song):