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bfe_webjournal_MainArticleOverview.py
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bfe_webjournal_MainArticleOverview.py
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# -*- coding: utf-8 -*-
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 CERN.
##
## CDS Invenio is free software; you can redistribute it and/or
## modify it under the terms of the GNU General Public License as
## published by the Free Software Foundation; either version 2 of the
## License, or (at your option) any later version.
##
## CDS Invenio is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
import re
from invenio.bibformat_engine import BibFormatObject
from invenio.search_engine import search_pattern
from invenio.htmlutils import HTMLWasher
from invenio.config import weburl
from invenio.webjournal_utils import get_order_dict_from_recid_list_CERNBulletin, \
pop_newest_article_CERNBulletin, \
cache_index_page, \
get_index_page_from_cache, \
parse_url_string
cfg_messages = {}
cfg_messages["more"] = {"en": "more",
"fr": "plus"}
# limit the detail view (header, image) to n entries
Detail_Limit = 3
from invenio.webjournal_utils import image_pattern, header_pattern, para_pattern
def _get_feature_image(record):
"""
Looks for an image that can be featured on the article overview page.
"""
#look if there is an icon
icon = record.fields('8564_q')
if len(icon) > 0:
src = icon[0]
else:
article = record.fields('520__b')
image = re.search(image_pattern, article[0])
try:
src = image.group("image")
except:
# no image there, do nothing
src = ""
return src
def _get_first_sentence_or_part(header_text):
"""
Tries to cut the text at the end of the first sentence or an empty space
between char 200 and 300. Else return 250 first chars.
"""
header_text = header_text.lstrip()
first_sentence = header_text[100:].find(".")
if first_sentence != -1 and first_sentence < 250:
bla = header_text[:(100+first_sentence)]
return "%s." % header_text[:(100+first_sentence)]
else:
an_empty_space = header_text[200:].find(" ")
if an_empty_space != -1 and an_empty_space < 300:
return "%s..." % header_text[:(200+an_empty_space)]
else:
return "%s..." % header_text[:250]
def _get_feature_text(record, language):
"""
Looks for a text (header) that can be featured on the article overview
page.
"""
washer = HTMLWasher()
header_text = ""
#look if there is a header
if language == "fr":
header = record.field('590__a')
else:
header = record.field('520__a')
header = washer.wash(html_buffer=header,
allowed_tag_whitelist=[],
allowed_attribute_whitelist=[])
if header != "":
header_text = header
else:
try:
if language == "fr":
article = record.fields('590__b')[0]
else:
article = record.fields('520__b')[0]
except:
return ""
header = re.search(header_pattern, article)
try:
header_text = header.group("header")
header_text = washer.wash(html_buffer=header_text,
allowed_tag_whitelist=[],
allowed_attribute_whitelist=[])
if header_text == "":
raise Exception
except:
article = article.replace(header_text, '')
article = article.replace('<p/>', '')
header = re.search(para_pattern, article)
try:
# get the first paragraph
header_text = header.group("paragraph")
header_text = washer.wash(html_buffer=header_text,
allowed_tag_whitelist=[],
allowed_attribute_whitelist=[])
if header_text == "":
raise Exception
else:
if len(header_text) > 250:
header_text = _get_first_sentence_or_part(header_text)
except:
# in a last instance get the first empty space
article = washer.wash(article,
allowed_tag_whitelist=[],
allowed_attribute_whitelist=[])
header_text = _get_first_sentence_or_part(article)
#header_text = (len(article) > 150) and article[:150] or article
header_text = washer.wash(html_buffer=header_text,
allowed_tag_whitelist=[],
allowed_attribute_whitelist=[])
return header_text
def format(bfo, number_of_featured_articles="10"):
"""
Creates an overview of all the articles of a certain category in one
specific issue.
There are certain categories:
- New additions -> all stored in order 1, contain a special "new"
icon and are featured by title only
- Lead article -> original order 1, featured with big title, image and
header
- Detail range -> can be set by var Detail_Limit. Features an article
with title, image and header text
- Rest -> All Articles after Detail_Limit. Featured with title and
header text.
"""
try:
journal_name = bfo.req.journal_defaults["name"]
this_issue_number = bfo.req.journal_defaults["issue"]
category_name = bfo.req.journal_defaults["category"]
#raise '%s %s %s' % (journal_name, this_issue_number, category_name)
# try to get the page from cache
cached_html = get_index_page_from_cache(journal_name, category_name,
this_issue_number, bfo.lang)
if cached_html:
return cached_html
out = u''
# get the id list
if this_issue_number[0] == '0':
# search for 09/ and 9/
alternative_issue_number = this_issue_number[1:]
all_records = list(search_pattern(p='65017a:"%s" and 773__n:%s' %
(category_name, this_issue_number),
f="&action_search=Search"))
alternative_all_records = list(search_pattern(p='65017a:"%s" and 773__n:%s' %
(category_name, alternative_issue_number),
f="&action_search=Search"))
if len(all_records) > 0:
ordered_articles = get_order_dict_from_recid_list_CERNBulletin(all_records,
this_issue_number)
elif len(alternative_all_records) > 0:
ordered_articles = get_order_dict_from_recid_list_CERNBulletin(alternative_all_records,
alternative_issue_number)
#ordered_articles = get_order_dict_from_recid_list_CERNBulletin(all_records,
# this_issue_number)
#alternative_ordered_articles = get_order_dict_from_recid_list_CERNBulletin(all_records,
# alternative_issue_number)
#ordered_articles.update(alternative_ordered_articles)
else:
all_records = list(search_pattern(p='65017a:"%s" and 773__n:%s' %
(category_name, this_issue_number),
f="&action_search=Search"))
ordered_articles = get_order_dict_from_recid_list_CERNBulletin(all_records,
this_issue_number)
# The CERN Bulletin is special, the first number can have multiple entries
if len(ordered_articles.keys()) > 0:
number_of_articles = len(ordered_articles.keys()) + len(
ordered_articles[1].keys()) -1
ordered_articles_indexes = ordered_articles.keys()
ordered_articles_indexes.sort()
else:
number_of_articles = 0
ordered_articles_indexes = []
condition = int(number_of_featured_articles) < number_of_articles
number_of_featured_articles = (condition
and
[int(number_of_featured_articles)]
or
[len(ordered_articles.keys())])[0]
i = 0
while i < number_of_articles:
flag = False
number = str(ordered_articles_indexes[i])
try:
temp_recid_dict = ordered_articles[ordered_articles_indexes[i]]
if len(temp_recid_dict.keys()) > 1:
i = -1 # cycle through 2nd level in 1
number_of_articles = number_of_articles -1
number = 2-len(temp_recid_dict.keys())
# go in the other direction of 1 -> 0, -1, -2, etc.
key = pop_newest_article_CERNBulletin(temp_recid_dict)
temp_news_tuple = temp_recid_dict.pop(int(key))
temp_recid = temp_news_tuple[0]
flag = temp_news_tuple[1]
if category_name == "News Articles":
# we don't want new news articles
raise KeyError
else:
temp_recid = temp_recid_dict.popitem()[1][0]
except:
i+=1
continue
temp_rec = BibFormatObject(temp_recid)
if bfo.lang == "fr":
try:
title = temp_rec.fields('246_1a')[0]
except:
i+=1
continue
# if the french version of this article does not exist, skip to next
else:
try:
title = temp_rec.fields('245__a')[0]
except:
title = "error in title"
# OPEN DAY CODE
try:
internal_notes = temp_rec.fields('595__a')
if 'Open Day' in internal_notes:
open_day = True
else:
open_day = False
except:
open_day = False
#if open_day == True:
# return "THIS IS AN OPEN DAY"
article_link = (weburl + '/journal/article?issue=' + this_issue_number +
'&name=CERNBulletin' + '&category=' + category_name +
'&number=' + str(number) + '&ln=' + bfo.lang)
more_link = '''<span class="more">
<a title="link to the article" href="%s"> >> </a>
</span>''' % (article_link)
if i < Detail_Limit:
img = _get_feature_image(temp_rec)
text = _get_feature_text(temp_rec, bfo.lang)
out += '<div class="homesubtext">'
# add a special "new" icon
if i < 0:
out += '''<h3 class="new %s">
<a title="link to the article" href="%s">%s</a>&nbsp;&nbsp;%s
</h3>''' % ((open_day == True) and "openday" or "",
article_link, title.decode('utf-8'), more_link)
# first article is especially featured
elif i == 0:
if text == "":
out += '''<h2 class="%s">
<a title="link to the article" href="%s">%s</a>
&nbsp;&nbsp;%s</h2>''' % ((open_day == True) and "openday" or "",
article_link,
title.decode('utf-8'), more_link)
else:
out += '''<h2 class="%s">
<a title="link to the article" href="%s">%s</a>
</h2>''' % ((open_day == True) and "openday" or "",
article_link, title.decode('utf-8'))
if img != "":
out += '''<h4><div class="phl">
<div class="featureImageScale">
<img class="featureImageScaleHolder" src="%s" />
</div></div>%s %s</h4>''' % (img,
text.decode('utf-8'), more_link)
elif text != "":
out += '<h4>%s %s</h4>' % (text.decode('utf-8'), more_link)
else:
if text == "":
out += '''<h3 class="%s" style="clear:both;">
<a title="link to the article" href="%s">%s</a>
&nbsp;&nbsp;%s</h3>''' % ((open_day == True) and "openday" or "",
article_link,
title.decode('utf-8'), more_link)
else:
out += '''<h3 class="%s" style="clear:both;">
<a title="link to the article" href="%s">%s</a>
</h3>''' % ((open_day == True) and "openday" or "",
article_link, title.decode('utf-8'))
if img != "":
out += '''<h4><div class="phl">
<div class="featureImageScaleSmall">
<img class="featureImageScaleHolder" src="%s" />
</div></div>%s %s</h4>''' % (img,
text.decode('utf-8'), more_link)
elif text != "":
out += '<h4>%s %s</h4>' % (text.decode('utf-8'), more_link)
out += '</div>'
else:
text = _get_feature_text(temp_rec, bfo.lang)
out += '<div class="homesubtext">'
if text == "":
out += '''<h3 class="%s" style="clear:both;">
<a title="link to the article" href="%s">%s</a>
&nbsp;&nbsp;%s</h3>''' % ((open_day == True) and "openday" or "",
article_link,
title.decode('utf-8'), more_link)
else:
out += '''<h3 class="%s" style="clear:both;">
<a title="link to the article" href="%s">%s</a>
</h3>''' % ((open_day == True) and "openday" or "",
article_link, title.decode('utf-8'))
out += '<h4>%s %s</h4>' % (text.decode('utf-8'), more_link)
out += '</div>'
i+=1
cache_index_page(out.encode('utf-8'), journal_name, category_name,
this_issue_number, bfo.lang)
return out.encode('utf-8')
except Exception, e:
return "Error: %s" % e
def escape_values(bfo):
"""
"""
return 0
if __name__ == "__main__":
myrec = BibFormatObject(87)
format(myrec)

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