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+#!/usr/bin/env python
+##
+## Title: Microwave and RF
+##
+## License: GNU General Public License v3 - http://www.gnu.org/copyleft/gpl.html
+
+# Feb 2012: Initial release
+
+__license__ = 'GNU General Public License v3 - http://www.gnu.org/copyleft/gpl.html'
+'''
+mwrf.com
+'''
+
+import re
+from calibre.web.feeds.news import BasicNewsRecipe
+from calibre.utils.magick import Image
+
+class Microwave_and_RF(BasicNewsRecipe):
+
+ Convert_Grayscale = False # Convert images to gray scale or not
+
+ # Add sections that want to be excluded from the magazine
+ exclude_sections = []
+
+ # Add sections that want to be included from the magazine
+ include_sections = []
+
+ title = u'Microwave and RF'
+ __author__ = 'kiavash'
+ description = u'Microwave and RF Montly Magazine'
+ publisher = 'Penton Media, Inc.'
+ publication_type = 'magazine'
+ site = 'http://mwrf.com'
+
+ language = 'en'
+ asciiize = True
+ timeout = 120
+ simultaneous_downloads = 1 # very peaky site!
+
+ # Main article is inside this tag
+ keep_only_tags = [dict(name='table', attrs={'id':'prtContent'})]
+
+ no_stylesheets = True
+ remove_javascript = True
+
+ # Flattens all the tables to make it compatible with Nook
+ conversion_options = {'linearize_tables' : True}
+
+ remove_tags = [
+ dict(name='span', attrs={'class':'body12'}),
+ ]
+
+ remove_attributes = [ 'border', 'cellspacing', 'align', 'cellpadding', 'colspan',
+ 'valign', 'vspace', 'hspace', 'alt', 'width', 'height' ]
+
+ # Specify extra CSS - overrides ALL other CSS (IE. Added last).
+ extra_css = 'body { font-family: verdana, helvetica, sans-serif; } \
+ .introduction, .first { font-weight: bold; } \
+ .cross-head { font-weight: bold; font-size: 125%; } \
+ .cap, .caption { display: block; font-size: 80%; font-style: italic; } \
+ .cap, .caption, .caption img, .caption span { display: block; margin: 5px auto; } \
+ .byl, .byd, .byline img, .byline-name, .byline-title, .author-name, .author-position, \
+ .correspondent-portrait img, .byline-lead-in, .name, .bbc-role { display: block; \
+ font-size: 80%; font-style: italic; margin: 1px auto; } \
+ .story-date, .published { font-size: 80%; } \
+ table { width: 100%; } \
+ td img { display: block; margin: 5px auto; } \
+ ul { padding-top: 10px; } \
+ ol { padding-top: 10px; } \
+ li { padding-top: 5px; padding-bottom: 5px; } \
+ h1 { font-size: 175%; font-weight: bold; } \
+ h2 { font-size: 150%; font-weight: bold; } \
+ h3 { font-size: 125%; font-weight: bold; } \
+ h4, h5, h6 { font-size: 100%; font-weight: bold; }'
+
+ # Remove the line breaks and float left/right and picture width/height.
+ preprocess_regexps = [(re.compile(r'', re.IGNORECASE), lambda m: ''),
+ (re.compile(r'', re.IGNORECASE), lambda m: ''),
+ (re.compile(r'float:.*?'), lambda m: ''),
+ (re.compile(r'width:.*?px'), lambda m: ''),
+ (re.compile(r'height:.*?px'), lambda m: '')
+ ]
+
+
+ def print_version(self, url):
+ url = re.sub(r'.html', '', url)
+ url = re.sub('/ArticleID/.*?/', '/Print.cfm?ArticleID=', url)
+ return url
+
+ # Need to change the user agent to avoid potential download errors
+ def get_browser(self, *args, **kwargs):
+ from calibre import browser
+ kwargs['user_agent'] = 'Mozilla/5.0 (Windows NT 5.1; rv:10.0) Gecko/20100101 Firefox/10.0'
+ return browser(*args, **kwargs)
+
+
+ def parse_index(self):
+
+ # Fetches the main page of Microwave and RF
+ soup = self.index_to_soup(self.site)
+
+ # Searches the site for Issue ID link then returns the href address
+ # pointing to the latest issue
+ latest_issue = soup.find('a', attrs={'href':lambda x: x and 'IssueID' in x}).get('href')
+
+ # Fetches the index page for of the latest issue
+ soup = self.index_to_soup(latest_issue)
+
+ # Finds the main section of the page containing cover, issue date and
+ # TOC
+ ts = soup.find('div', attrs={'id':'columnContainer'})
+
+ # Finds the issue date
+ ds = ' '.join(self.tag_to_string(ts.find('span', attrs={'class':'CurrentIssueSectionHead'})).strip().split()[-2:]).capitalize()
+ self.log('Found Current Issue:', ds)
+ self.timefmt = ' [%s]'%ds
+
+ # Finds the cover image
+ cover = ts.find('img', src = lambda x: x and 'Cover' in x)
+ if cover is not None:
+ self.cover_url = self.site + cover['src']
+ self.log('Found Cover image:', self.cover_url)
+
+ feeds = []
+ article_info = []
+
+ # Finds all the articles (tiles and links)
+ articles = ts.findAll('a', attrs={'class':'commonArticleTitle'})
+
+ # Finds all the descriptions
+ descriptions = ts.findAll('span', attrs={'class':'commonCopy'})
+
+ # Find all the sections
+ sections = ts.findAll('span', attrs={'class':'kicker'})
+
+ title_number = 0
+
+ # Goes thru all the articles one by one and sort them out
+ for section in sections:
+ title_number = title_number + 1
+
+ # Removes the unwanted sections
+ if self.tag_to_string(section) in self.exclude_sections:
+ continue
+
+ # Only includes the wanted sections
+ if self.include_sections:
+ if self.tag_to_string(section) not in self.include_sections:
+ continue
+
+
+ title = self.tag_to_string(articles[title_number])
+ url = articles[title_number].get('href')
+ if url.startswith('/'):
+ url = self.site + url
+
+ self.log('\tFound article:', title, 'at', url)
+ desc = self.tag_to_string(descriptions[title_number])
+ self.log('\t\t', desc)
+
+ article_info.append({'title':title, 'url':url, 'description':desc,
+ 'date':self.timefmt})
+
+ if article_info:
+ feeds.append((self.title, article_info))
+
+ #self.log(feeds)
+ return feeds
+
+ def postprocess_html(self, soup, first):
+ if self.Convert_Grayscale:
+ #process all the images
+ for tag in soup.findAll(lambda tag: tag.name.lower()=='img' and tag.has_key('src')):
+ iurl = tag['src']
+ img = Image()
+ img.open(iurl)
+ if img < 0:
+ raise RuntimeError('Out of memory')
+ img.type = "GrayscaleType"
+ img.save(iurl)
+ return soup
+
+ def preprocess_html(self, soup):
+
+ # Includes all the figures inside the final ebook
+ # Finds all the jpg links
+ for figure in soup.findAll('a', attrs = {'href' : lambda x: x and 'jpg' in x}):
+
+ # makes sure that the link points to the absolute web address
+ if figure['href'].startswith('/'):
+ figure['href'] = self.site + figure['href']
+
+ figure.name = 'img' # converts the links to img
+ figure['src'] = figure['href'] # with the same address as href
+ figure['style'] = 'display:block' # adds /n before and after the image
+ del figure['href']
+ del figure['target']
+
+ # Makes the title standing out
+ for title in soup.findAll('a', attrs = {'class': 'commonSectionTitle'}):
+ title.name = 'h1'
+ del title['href']
+ del title['target']
+
+ # Makes the section name more visible
+ for section_name in soup.findAll('a', attrs = {'class': 'kicker2'}):
+ section_name.name = 'h5'
+ del section_name['href']
+ del section_name['target']
+
+ # Removes all unrelated links
+ for link in soup.findAll('a', attrs = {'href': True}):
+ link.name = 'font'
+ del link['href']
+ del link['target']
+
+ return soup