add/remove blank-line (extra-edit)

ruff 'E302,E303,E304,E305,W391'

manual/plugin_examples/interface_demo/__init__.py

@@ -76,5 +76,3 @@ class InterfacePluginDemo(InterfaceActionBase):
         ac = self.actual_plugin_
         if ac is not None:
             ac.apply_settings()
-
-

manual/template_ref_generate.py

@@ -89,5 +89,6 @@ def generate_template_language_help(language, log):
     a(POSTAMBLE)
     return ''.join(output)
 
+
 if __name__ == '__main__':
     generate_template_language_help()

recipes/1843.recipe

@@ -17,6 +17,7 @@ from calibre.web.feeds.news import BasicNewsRecipe
 
 use_archive = True
 
+
 def E(parent, name, text='', **attrs):
     ans = parent.makeelement(name, **attrs)
     ans.text = text
@@ -341,7 +342,6 @@ class Economist(BasicNewsRecipe):
 
         # }}}
 
-
     def preprocess_raw_html(self, raw, url):
         # open('/t/raw.html', 'wb').write(raw.encode('utf-8'))
         if use_archive:

recipes/afr.recipe

@@ -8,6 +8,7 @@ def absurl(url):
     if url.startswith('/'):
         return 'https://www.afr.com' + url
 
+
 class afr(BasicNewsRecipe):
     title = 'Australian Financial Review'
     __author__ = 'unkn0wn'

recipes/altomdata_dk.recipe

@@ -28,4 +28,3 @@ class WwwAltomdata_dk(BasicNewsRecipe):
         ('Kommentarer til Alt om DATA, Datatid TechLife', 'http://www.altomdata.dk/comments/feed'),
 
     ]
-

recipes/andhrajyothy_ap.recipe

@@ -18,6 +18,7 @@ today = today.replace('/', '%2F')
 
 index = 'https://epaper.andhrajyothy.com'
 
+
 class andhra(BasicNewsRecipe):
     title = 'ఆంధ్రజ్యోతి - ఆంధ్రప్రదేశ్'
     language = 'te'

recipes/andhrajyothy_tel.recipe

@@ -18,6 +18,7 @@ today = today.replace('/', '%2F')
 
 index = 'https://epaper.andhrajyothy.com'
 
+
 class andhra(BasicNewsRecipe):
     title = 'ఆంధ్రజ్యోతి - తెలంగాణ'
     language = 'te'

recipes/avisen_dk.recipe

@@ -24,4 +24,3 @@ class WwwAvisen_dk(BasicNewsRecipe):
     feeds = [
                 ('Nyheder fra Avisen.dk', 'http://www.avisen.dk/rss.aspx'),
     ]
-

recipes/boston_globe_print_edition.recipe

@@ -12,6 +12,7 @@ def class_as_string(x):
         x = ' '.join(x)
     return x
 
+
 def class_startswith(*prefixes):
 
     def q(x):
@@ -24,6 +25,7 @@ def class_startswith(*prefixes):
 
     return dict(attrs={'class': q})
 
+
 def absolutize_url(url):
     if url.startswith('//'):
         return 'https:' + url

recipes/caravan_magazine.recipe

@@ -15,6 +15,7 @@ def absurl(x):
         x = 'https://caravanmagazine.in' + x
     return x
 
+
 def safe_dict(data, *names):
     ans = data
     for x in names:
@@ -49,6 +50,7 @@ def parse_body(x):
                 yield from parse_body(p)
             yield '</p>'
 
+
 def parse_p(p):
     if p.get('type', '') == 'text':
         if 'marks' in p:

recipes/chicago_tribune.recipe

@@ -67,7 +67,6 @@ class ChicagoTribune(BasicNewsRecipe):
             feeds.append({'title': title, 'url': url})
         return [('Articles', feeds)]
 
-
     def preprocess_html(self, soup):
         for img in soup.findAll('img', attrs={'data-src': True}):
             img['src'] = img['data-src']

recipes/computerworld_dk.recipe

@@ -51,4 +51,3 @@ class WwwComputerworld_dk(BasicNewsRecipe):
         ('IDG Kurser', 'http://job.idgkurser.dk/rss/'),
 
     ]
-

recipes/deccan_herald.recipe

@@ -5,6 +5,7 @@ def absurl(url):
     if url.startswith('/'):
         return 'https://www.deccanherald.com' + url
 
+
 class herald(BasicNewsRecipe):
     title = 'Deccan Herald'
     __author__ = 'unkn0wn'

recipes/deutsche_welle_es.recipe

@@ -54,7 +54,6 @@ class DeutscheWelle_es(BasicNewsRecipe):
         ('Conozca Alemania', 'http://rss.dw-world.de/rdf/rss-sp-con')
     ]
 
-
     def preprocess_html(self, soup):
         for img in soup.findAll('img', srcset=True):
             img['src'] = img['srcset'].split()[6]

recipes/deutsche_welle_sr.recipe

@@ -59,4 +59,3 @@ class DeutscheWelle_sr(BasicNewsRecipe):
         (u'Nauka Tehnika Medicina', u'http://rss.dw-world.de/rdf/rss-ser-science'),
         (u'Kultura', u'feed:http://rss.dw-world.de/rdf/rss-ser-cul')
     ]
-

recipes/deutschland_funk.recipe

@@ -14,6 +14,7 @@ Fetch Deutschlandfunk & Deutschlandfunk Kultur
 ## Version:1.6
 ## New RSS source: https://www.deutschlandfunk.de/rss-angebot-102.html
 
+
 class AdvancedUserRecipe1432200863(BasicNewsRecipe):
 
     title            = 'Deutschlandfunk & Deutschlandfunk Kultur'
@@ -34,8 +35,6 @@ class AdvancedUserRecipe1432200863(BasicNewsRecipe):
                       .b-image-figure, .caption-figure.is-left, .b-image-credits {font-size: .75em; font-weight: normal;margin-bottom: .75em}
                       '''
 
-
-
     feeds = [
               ('DLF Nachrichten', 'https://www.deutschlandfunk.de/nachrichten-100.rss'),
               ('DLF Politikportal', 'https://www.deutschlandfunk.de/politikportal-100.rss'),

recipes/dr_dk.recipe

@@ -104,7 +104,6 @@ class DRNyheder(BasicNewsRecipe):
             cover_url = cover_item['src']
         return cover_url
 
-
     keep_only_tags = [
 
         dict(name='h1', attrs={'class': 'dre-article-title__heading'}), # Title

recipes/economist_espresso.recipe

@@ -242,7 +242,6 @@ class Espresso(BasicNewsRecipe):
         raw = etree.tostring(root, encoding='unicode')
         return raw
 
-
     def eco_find_image_tables(self, soup):
         for x in soup.findAll('table', align=['right', 'center']):
             if len(x.findAll('font')) in (1, 2) and len(x.findAll('img')) == 1:

recipes/economist_search.recipe

@@ -78,6 +78,7 @@ def load_article_from_json(raw):
         body += process_node(node)
     return '<html><body><article>' + body + '</article></body></html>'
 
+
 def cleanup_html_article(root):
     main = root.xpath('//main')[0]
     body = root.xpath('//body')[0]
@@ -91,17 +92,20 @@ def cleanup_html_article(root):
     for x in root.xpath('//button'):
         x.getparent().remove(x)
 
+
 def classes(classes):
     q = frozenset(classes.split(' '))
     return dict(attrs={
         'class': lambda x: x and frozenset(x.split()).intersection(q)})
 
+
 def new_tag(soup, name, attrs=()):
     impl = getattr(soup, 'new_tag', None)
     if impl is not None:
         return impl(name, attrs=dict(attrs))
     return Tag(soup, name, attrs=attrs or None)
 
+
 def process_url(url):
     if url.startswith('/'):
         url = 'https://www.economist.com' + url

recipes/esenja.recipe

@@ -33,7 +33,6 @@ class Esensja(BasicNewsRecipe):
                    dict(attrs={'class': ['tekst_koniec', 'ref', 'wykop']}),
                    dict(attrs={'itemprop': ['copyrightHolder', 'publisher']}),
                    dict(id='komentarze')
-
                    ]
 
     extra_css = '''

recipes/faz_net.recipe

@@ -18,7 +18,6 @@ def format_tickaroo_liveblog(soup):
     for div in soup.findAll('div', attrs={'class':'tik4-content-block tik4-content-block--rich-text tik4-content-block--position-2'}):
         div.insert_before(soup.new_tag('br'))
 
-
     #format liveblogs
     for tag in soup.findAll('time'):
         ntag = soup.new_tag('br')
@@ -33,6 +32,7 @@ def format_tickaroo_liveblog(soup):
         if ntag and temp:
             ntag.insert_after(temp)
 
+
     # process run of images
 def bilderstrecke(soup,tag):
     flag = False
@@ -76,10 +76,10 @@ def bilderstrecke(soup,tag):
                 collect.append(fig)
     soup.find(class_='header-teaser').insert_after(collect)
 
-
     for tag in soup.findAll(class_='header-teaser__image--default'):
         tag.extract()
 
+
 def story(soup,tag):
     first_image = soup.find('img',attrs={'loading':'lazy'})
     first_caption = soup.find('figcaption',attrs={'class':'caption'})
@@ -136,7 +136,6 @@ class FazNet(BasicNewsRecipe):
                       dict(name = 'script', attrs = {'id':'__NUXT_DATA__'}),
                       ]
 
-
     remove_tags = [
                    dict(name='div', attrs={'class':[
                        'related-articles','consent-placeholder',
@@ -153,7 +152,6 @@ class FazNet(BasicNewsRecipe):
 
     remove_attributes = ['onclick']
 
-
     test_article = False
     if not test_article:
         feeds = [

recipes/globaltimes.recipe

@@ -7,6 +7,7 @@ from calibre.web.feeds.news import BasicNewsRecipe, classes
 
 index = 'https://www.globaltimes.cn/'
 
+
 class GlobalTimes(BasicNewsRecipe):
     title = 'Global Times'
     __author__ = 'unkn0wn'

recipes/hamilton_spectator.recipe

@@ -5,10 +5,12 @@ from calibre.web.feeds.news import BasicNewsRecipe, classes
 Hamilton Spectator Calibre Recipe
 '''
 
+
 def absurl(url):
     if url.startswith('/'):
         return 'https://www.thespec.com' + url
 
+
 class HamiltonSpectator(BasicNewsRecipe):
     title = u'Hamilton Spectator'
     max_articles_per_feed = 50

recipes/himal_southasian.recipe

@@ -17,6 +17,7 @@ def get_story(story):
         for x in story['story-elements']:
             yield from get_story(x)
 
+
 def img(img):
     yield '<p>'
     if 'image-s3-key' in img:
@@ -25,6 +26,7 @@ def img(img):
         yield '<div class="cap">' + img['title'] + '</div>'
     yield '</p>'
 
+
 class himal(BasicNewsRecipe):
     title = 'Himal Southasian'
     __author__ = 'unkn0wn'

recipes/hindufeeds.recipe

@@ -74,7 +74,6 @@ class TheHindufeeds(BasicNewsRecipe):
             src.extract()
         return soup
 
-
     def get_cover_url(self):
         soup = self.index_to_soup('https://www.thehindu.com/todays-paper/')
         if cover := soup.find(attrs={'class':'hindu-ad'}):

recipes/hindustan_times_print.recipe

@@ -8,6 +8,7 @@ from calibre.web.feeds.news import BasicNewsRecipe
 
 index = 'https://epaper.hindustantimes.com'
 
+
 class ht(BasicNewsRecipe):
     title = 'Hindustan Times Print Edition'
     language = 'en_IN'
@@ -100,7 +101,6 @@ class ht(BasicNewsRecipe):
                 feeds_dict[section].append({'title': title, 'description': desc, 'url': url})
         return list(feeds_dict.items())
 
-
     def preprocess_raw_html(self, raw, *a):
         data = json.loads(raw)
         body = ''

recipes/hurriyet.recipe

@@ -64,4 +64,3 @@ class Hurriyet(BasicNewsRecipe):
         (u'Ankara', 'https://www.hurriyet.com.tr/rss/ankara'),
         (u'Ege', 'https://www.hurriyet.com.tr/rss/ege')
     ]
-

recipes/ifzm.recipe

@@ -8,6 +8,7 @@ def absurl(url):
     if url.startswith('/'):
         return 'https://www.infzm.com' + url
 
+
 def json_to_html(raw, link):
     data = json.loads(raw)
     data = data['data']['content']
@@ -51,7 +52,6 @@ class infzm(BasicNewsRecipe):
         .cm_pic_caption, .cm_pic_author { font-size:small; text-align:center; }
     '''
 
-
     def parse_index(self):
         index = 'https://www.infzm.com/'
         sections = [

recipes/inc42.recipe

@@ -47,7 +47,6 @@ class inc42(BasicNewsRecipe):
                 feeds.append((section, articles))
         return feeds
 
-
     def preprocess_html(self, soup):
         for img in soup.findAll('img', attrs={'data-src':True}):
             img['src'] = img['data-src']

recipes/india_speaks_reddit.recipe

@@ -20,4 +20,3 @@ class IndiaSpeaksReddit(BasicNewsRecipe):
     feeds          = [
         ('India Speaks Reddit main feed', 'https://www.reddit.com/r/IndiaSpeaks.rss'),
     ]
-

recipes/kosmonauta_pl.recipe

@@ -17,4 +17,3 @@ class Kosmonauta(BasicNewsRecipe):
     remove_attributes = ['style']
     max_articles_per_feed = 100
     feeds = [(u'Kosmonauta.net', u'http://www.kosmonauta.net/feed')]
-

recipes/liberation.recipe

@@ -21,12 +21,14 @@ def resize(x):
         if '_750' in k:
             return v
 
+
 m_fr = {
     1: 'Janvier', 2: 'Février', 3: 'Mars', 4: 'Avril',
     5: 'Mai', 6: 'Juin', 7: 'Juillet', 8: 'Août',
     9: 'Septembre', 10: 'Octobre', 11: 'Novembre', 12: 'Décembre'
 }
 
+
 def json_to_html(raw):
     data = json.loads(raw)
 

recipes/live_law.recipe

@@ -6,6 +6,7 @@ def absurl(url):
     if url.startswith('/'):
         return 'https://www.livelaw.in' + url
 
+
 class livelaw(BasicNewsRecipe):
     title = 'Live Law'
     __author__ = 'unkn0wn'

recipes/new_yorker.recipe

@@ -14,6 +14,7 @@ def absurl(x):
         x = 'https://www.newyorker.com' + x
     return x
 
+
 class NewYorker(BasicNewsRecipe):
 
     title = 'The New Yorker Magazine'
@@ -129,7 +130,6 @@ class NewYorker(BasicNewsRecipe):
                 feeds_dict[section].append({'title': title, 'url': url, 'description': desc})
         return feeds_dict.items()
 
-
     # The New Yorker changes the content it delivers based on cookies, so the
     # following ensures that we send no cookies
     def get_browser(self, *args, **kwargs):

recipes/nhk_news.recipe

@@ -36,4 +36,3 @@ class ReutersJa(BasicNewsRecipe):
         for img in soup.findAll('img', attrs={'data-src':True}):
             img['src'] = img['data-src']
         return soup
-

recipes/nordjyske_dk.recipe

@@ -38,4 +38,3 @@ class Nordjyske_dk(BasicNewsRecipe):
         ('Aalborg', 'http://nordjyske.dk/rss/aalborg'),
 
     ]
-

recipes/nzz_ger.recipe

@@ -97,7 +97,6 @@ class Nzz(BasicNewsRecipe):
 
         return url
 
-
     def get_browser(self, *args, **kwargs):
         kwargs['user_agent'] = 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)'
         br = BasicNewsRecipe.get_browser(self, *args, **kwargs)

recipes/pajama.recipe

@@ -18,4 +18,3 @@ class PajamasMedia(BasicNewsRecipe):
          'http://feeds.feedburner.com/PajamasMedia'),
 
     ]
-

recipes/radio_canada.recipe

@@ -24,6 +24,7 @@ def classes(classes):
     return dict(attrs={
         'class': lambda x: x and frozenset(x.split()).intersection(q)})
 
+
 class RadioCanada(BasicNewsRecipe):
     title            = 'Radio Canada'
     __author__       = 'quatorze, pticrix'

recipes/rnd.recipe

@@ -79,7 +79,6 @@ class RND(BasicNewsRecipe):
  #('E-Mobility',  'https://www.rnd.de/arc/outboundfeeds/rss/category/e-mobility/')
  ]
 
-
     def parse_feeds(self):
       # Call parent's method.
       feeds = BasicNewsRecipe.parse_feeds(self)

recipes/saechsische.recipe

@@ -193,7 +193,6 @@ class Saechsische(BasicNewsRecipe):
          #('Beruf & Bildung',  'https://www.saechsische.de/arc/outboundfeeds/rss/category/beruf-und-bildung')
     ]
 
-
     def parse_feeds(self):
       # Call parent's method.
       feeds = BasicNewsRecipe.parse_feeds(self)

recipes/salon.recipe

@@ -10,6 +10,7 @@ def classes(classes):
     return dict(attrs={
         'class': lambda x: x and frozenset(x.split()).intersection(q)})
 
+
 class Salon_com(BasicNewsRecipe):
 
     title = 'Salon.com'

recipes/scmp.recipe

@@ -20,6 +20,7 @@ def E(parent, name, text='', **attrs):
     parent.append(ans)
     return ans
 
+
 def process_node(node, html_parent):
     ntype = node.get('type')
 
@@ -45,6 +46,7 @@ def ts_date(x):
     dt = datetime.fromtimestamp(x/1000 + time.timezone)
     return dt.strftime('%b %d, %Y at %I:%M %p')
 
+
 def load_article_from_json(raw, root):
     # open('/t/raw.json', 'w').write(raw)
     data = json.loads(raw)['props']['pageProps']['payload']['data']['article']

recipes/sputnik.recipe

@@ -25,5 +25,4 @@ class Ria_eng(BasicNewsRecipe):
         'comment': description, 'tags': category, 'language': language
     }
 
-
     feeds = [(u'News', u'https://sputnikglobe.com/export/rss2/archive/index.xml')]

recipes/tagesspiegel.recipe

@@ -70,4 +70,3 @@ class TagesspiegelRss(BasicNewsRecipe):
         (u'Medien', u'http://www.tagesspiegel.de/contentexport/feed/medien'),
         (u'Wissen', u'http://www.tagesspiegel.de/contentexport/feed/wissen')
     ]
-

recipes/tehelka.recipe

@@ -27,7 +27,6 @@ class Tehelka(BasicNewsRecipe):
     use_embedded_content = False
     ignore_duplicate_articles = {'title', 'url'}
 
-
     feeds          = [
         ('Tehelka', 'http://tehelka.com/rss'),
     ]

recipes/the_saturday_paper.recipe

@@ -35,7 +35,6 @@ class SaturdayPaper(BasicNewsRecipe):
         {'name': 'div', 'class': 'end-matter'},
     ]
 
-
     def get_cover_url(self):
         soup = self.index_to_soup('https://www.thesaturdaypaper.com.au/editions/')
         div = soup.find('div', attrs={'class':'article__image'})

recipes/theoldie.recipe

@@ -196,7 +196,6 @@ class PrivateEyeRecipe(BasicNewsRecipe):
 
         return soup
 
-
     # Remove features not wanted and tweak HTML
     preprocess_regexps = [
         # Remove big blank spaces

recipes/times_online.recipe

@@ -11,11 +11,13 @@ def resize(x):
     elif '?crop=' in x:
         return x + '&resize=600'
 
+
 def absurl(url):
     if url.startswith('/'):
         url = 'https://www.thetimes.com' + url
     return url
 
+
 class times(BasicNewsRecipe):
     title = 'The Times and Sunday Times'
     __author__ = 'unkn0wn'

recipes/tls_mag.recipe

@@ -14,6 +14,7 @@ def re_html(y):
         return soup.text
     return ''
 
+
 def get_id(url):
     rq = browser().open(url)
     return re.search(r'\?p=(\S+)>', str(rq.info())).group(1)

recipes/toiprint.recipe

@@ -23,6 +23,7 @@ date_ = dt.strftime('%d_%m_%Y')
 index = 'https://asset.harnscloud.com/PublicationData/TOI/' + le + '/' + date0
 img_index = 'https://cmsimages.timesgroup.com/image-resizer?epaper_s3_path=PublicationData/TOI/' + le + '/' + date0
 
+
 def handle_images(x, soup):
     img = soup.find('img')
     if img:
@@ -36,6 +37,7 @@ def handle_images(x, soup):
     for lead in reversed(soup.findAll('div', attrs={'class':'lead'})):
         x.insert_after(lead)
 
+
 class toiprint(BasicNewsRecipe):
     title = 'TOI Print Edition'
     language = 'en_IN'

recipes/usatoday.recipe

@@ -14,10 +14,12 @@ def classes(classes):
     return dict(attrs={
         'class': lambda x: x and frozenset(x.split()).intersection(q)})
 
+
 def absurl(url):
     if url.startswith('/'):
         return 'https://www.usatoday.com' + url
 
+
 class USAToday(BasicNewsRecipe):
 
     title = 'USA Today'

recipes/wsj_free.recipe

@@ -28,6 +28,7 @@ except ImportError:
 
 needs_subscription = False
 
+
 class WSJ(BasicNewsRecipe):
 
     if needs_subscription:

ruff-strict-pep8.toml

@@ -36,6 +36,7 @@ select = [
     'RUF055',  # unnecessary regex
     'RUF039',  # always use raw-string for regex
     'RUF047',  # needless else
+    'E302', 'E303', 'E304', 'E305', 'W391',  # blank-line standard
 ]
 
 [lint.per-file-ignores]
@@ -49,7 +50,7 @@ select = [
 "src/calibre/gui2/tts/manager.py" = ['UP037']
 "src/calibre/utils/copy_files.py" = ['UP037']
 "src/calibre/utils/smartypants.py" = ['RUF039', 'RUF055']
-"src/qt/*.py" = ['I']
+"src/qt/*.py" = ['I', 'E302']
 "src/qt/*.pyi" = ['I']
 
 [lint.isort]

setup.py

@@ -29,7 +29,6 @@ def check_version_info():
         exit(f'calibre requires Python {minver}. Current Python version: {".".join(map(str, sys.version_info[:3]))}')
 
 
-
 check_version_info()
 
 sys.path.insert(0, src_base)

setup/build.py

@@ -23,6 +23,7 @@ isunix = islinux or ismacos or isbsd or ishaiku
 
 py_lib = os.path.join(sys.prefix, 'libs', 'python{}{}.lib'.format(*sys.version_info[:2]))
 
+
 class CompileCommand(NamedTuple):
     cmd: list[str]
     src: str
@@ -145,7 +146,6 @@ def parse_extension(ext, compiling_for='native'):
     if compiling_for == 'windows':
         get_key = 'windows_'
 
-
     def get(k, default=''):
         ans = ext.pop(k, default)
         ans = ext.pop(get_key + k, ans)
@@ -242,7 +242,6 @@ class Environment(NamedTuple):
         return list(map(map_name, libs))
 
 
-
 def init_env(debug=False, sanitize=False, compiling_for='native'):
     from setup.build_environment import NMAKE, win_cc, win_inc, win_ld, win_lib
     linker = None

setup/file-hosting-bw.py

@@ -10,6 +10,7 @@ import subprocess
 
 BASE = '/srv/download/bw'
 
+
 def main():
     if not os.path.exists(BASE):
         os.makedirs(BASE)
@@ -52,5 +53,6 @@ def main():
     with open('index.html', 'wb') as f:
         f.write(html.encode('utf-8'))
 
+
 if __name__ == '__main__':
     main()

setup/hosting.py

@@ -69,7 +69,6 @@ class ReadFileWithProgressReporting:  # {{{
             )
         sys.stdout.flush()
 
-
 # }}}
 
 
@@ -93,7 +92,6 @@ class Base:  # {{{
         print('_' * 50)
         sys.stdout.flush()
 
-
 # }}}
 
 
@@ -127,7 +125,6 @@ class SourceForge(Base):  # {{{
                     break
             print('Uploaded in', int(time.time() - start), 'seconds\n\n')
 
-
 # }}}
 
 
@@ -259,7 +256,6 @@ class GitHub(Base):  # {{{
             self.fail(r, f'Failed to create release for version: {self.version}')
         return r.json()
 
-
 # }}}
 
 
@@ -388,10 +384,9 @@ def generate_index():  # {{{
                     f.write(index.encode('utf-8'))
             finally:
                 os.chdir('..')
-
-
 # }}}
 
+
 SERVER_BASE = '/srv/download/'
 
 
@@ -432,9 +427,6 @@ def upload_to_servers(files, version):  # {{{
     #             else:
     #                 break
     #         print('Uploaded in', int(time.time() - start), 'seconds\n\n')
-    #
-
-
 # }}}
 
 

setup/lc_data.py

@@ -25,6 +25,7 @@ def generate_data():
         ans.append((x, nl(getattr(locale, x.upper()))))
     return ans
 
+
 def main():
     if sys.version_info[0] < 3:  # noqa: UP036
         raise RuntimeError('Must be run using python 3.x')

setup/plugins_mirror.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 # License: GPLv3 Copyright: 2013, Kovid Goyal <kovid at kovidgoyal.net>
 
-
 # Imports {{{
 import argparse
 import ast
@@ -151,8 +150,8 @@ def load_plugins_index():
         raise
     return json.loads(bz2.decompress(raw))
 
-# Get metadata from plugin zip file {{{
 
+# Get metadata from plugin zip file {{{
 
 def convert_node(fields, x, names={}, import_data=None):
     name = x.__class__.__name__
@@ -357,9 +356,9 @@ def get_plugin_info(raw_zip):
                     return json.loads(res.stdout)
             raise
 
-
 # }}}
 
+
 def update_plugin_from_entry(plugin, entry):
     plugin['index_name'] = entry.name
     plugin['thread_url'] = entry.url
@@ -706,7 +705,6 @@ def test_parse():  # {{{
         if new_url != full_url:
             print(f'new url ({aname}): {new_url} != {full_url} for plugin at: {url}')
             raise SystemExit(1)
-
 # }}}
 
 
@@ -740,7 +738,6 @@ class HelloWorld(FileTypePlugin):
         zf.writestr('very/ver.py', b'MV = (0, 7, 53)')
         zf.writestr('__init__.py', b'from xxx import yyy\nfrom very.lovely import HelloWorld')
     assert get_plugin_info(buf.getvalue()) == vals
-
 # }}}
 
 

setup/test.py

@@ -65,7 +65,6 @@ class Test(BaseTest):
                 ffmpeg_dll_dir = os.path.join(SW, 'ffmpeg', 'bin')
                 os.add_dll_directory(ffmpeg_dll_dir)
 
-
         from calibre.utils.run_tests import filter_tests_by_name, find_tests, remove_tests_by_name, run_cli
         tests = find_tests(which_tests=frozenset(opts.test_module), exclude_tests=frozenset(opts.exclude_test_module))
         if opts.test_name:

setup/translations.py

@@ -607,7 +607,6 @@ class Translations(POT):  # {{{
         if os.path.exists(destbase):
             shutil.rmtree(destbase)
         shutil.rmtree(self.cache_dir)
-
 # }}}
 
 
@@ -756,7 +755,6 @@ class GetTranslations(Translations):  # {{{
         cc('git add */*.po'.split())
         cc('git commit -am'.split() + [msg or 'Updated translations'])
         cc('git push'.split())
-
 # }}}
 
 
@@ -817,7 +815,6 @@ class ISO639(Command):  # {{{
     def clean(self):
         if os.path.exists(self.DEST):
             os.remove(self.DEST)
-
 # }}}
 
 

setup/upload.py

@@ -98,7 +98,6 @@ class ReUpload(Command):  # {{{
             if os.path.exists(x):
                 os.remove(x)
 
-
 # }}}
 
 
@@ -159,7 +158,6 @@ def run_remote_upload(args):
         'python', 'hosting.py'
     ] + args)
 
-
 # }}}
 
 
@@ -313,7 +311,6 @@ class UploadInstallers(Command):  # {{{
     def upload_to_calibre(self):
         run_remote_upload(calibre_cmdline(__version__))
 
-
 # }}}
 
 
@@ -355,7 +352,6 @@ class UploadUserManual(Command):  # {{{
         )
         check_call('ssh main chown -R http:http /srv/manual'.split())
 
-
 # }}}
 
 
@@ -382,7 +378,6 @@ class UploadDemo(Command):  # {{{
 
         check_call(f'scp /tmp/html-demo.zip main:{DOWNLOADS}/', shell=True)
 
-
 # }}}
 
 
@@ -410,5 +405,4 @@ class UploadToServer(Command):  # {{{
             f'ssh main /usr/local/bin/update-calibre-version.py {__version__} && /usr/local/bin/update-calibre-code.py && /apps/static/generate.py'
         ).split())
 
-
 # }}}

setup/vcvars.py

@@ -128,7 +128,6 @@ def query_vcvarsall(is64bit=True):
             comn_tools[k] = int(m.group(1))
     comntools = sorted(comn_tools, key=comn_tools.__getitem__)[-1]
 
-
     def g(k):
         try:
             return env[k]

setup/wincross.py

@@ -176,6 +176,7 @@ def download_item(dest_dir: str, file: File):
         raise SystemExit(f'The hash for {file.filename} does not match.'
                          f' {m.hexdigest()} != {file.sha256}')
 
+
 def cabinets_in_msi(path):
     raw = subprocess.check_output(['msiinfo', 'export', path, 'Media']).decode('utf-8')
     return re.findall(r'\S+\.cab', raw)

src/calibre/__init__.py

@@ -450,6 +450,7 @@ def my_unichr(num):
     except (ValueError, OverflowError):
         return '?'
 
+
 XML_ENTITIES = {
     '"' : '"',
     "'" : ''',
@@ -458,6 +459,7 @@ XML_ENTITIES = {
     '&' : '&'
 }
 
+
 def entity_to_unicode(match, exceptions=(), encoding=None, result_exceptions={}):
     '''
     :param match: A match object such that '&'+match.group(1)';' is the entity.

src/calibre/constants.py

@@ -410,7 +410,6 @@ else:
         atexit.register(cleanup_cdir)
 # }}}
 
-
 is_running_from_develop = False
 if getattr(sys, 'frozen', False):
     try:

src/calibre/customize/__init__.py

@@ -475,6 +475,7 @@ class MetadataReaderPlugin(Plugin):  # {{{
         :return: A :class:`calibre.ebooks.metadata.book.Metadata` object
         '''
         return None
+
 # }}}
 
 

src/calibre/customize/builtins.py

@@ -11,8 +11,8 @@ from calibre.ebooks.metadata.archive import ArchiveExtract, KPFExtract, get_comi
 
 plugins = []
 
-# To archive plugins {{{
 
+# To archive plugins {{{
 
 class PML2PMLZ(FileTypePlugin):
     name = 'PML to PMLZ'
@@ -96,8 +96,8 @@ class TXT2TXTZ(FileTypePlugin):
 plugins += [HTML2ZIP, PML2PMLZ, TXT2TXTZ, ArchiveExtract, KPFExtract]
 # }}}
 
-# Metadata reader plugins {{{
 
+# Metadata reader plugins {{{
 
 class ComicMetadataReader(MetadataReaderPlugin):
 
@@ -434,8 +434,8 @@ plugins += [x for x in list(locals().values()) if isinstance(x, type) and
 
 # }}}
 
-# Metadata writer plugins {{{
 
+# Metadata writer plugins {{{
 
 class EPUBMetadataWriter(MetadataWriterPlugin):
 
@@ -835,7 +835,6 @@ plugins += [
     USER_DEFINED,
 ]
 
-
 # }}}
 
 # New metadata download plugins {{{
@@ -850,8 +849,8 @@ plugins += [GoogleBooks, GoogleImages, Amazon, Edelweiss, OpenLibrary, BigBookSe
 
 # }}}
 
-# Interface Actions {{{
 
+# Interface Actions {{{
 
 class ActionAdd(InterfaceActionBase):
     name = 'Add Books'
@@ -1137,6 +1136,7 @@ class ActionAllActions(InterfaceActionBase):
     actual_plugin = 'calibre.gui2.actions.all_actions:AllGUIActions'
     description = _('Open a menu showing all installed GUI actions')
 
+
 class ActionVirtualLibrary(InterfaceActionBase):
     name = 'Virtual Library'
     actual_plugin = 'calibre.gui2.actions.virtual_library:VirtualLibraryAction'
@@ -1183,8 +1183,8 @@ plugins += [ActionAdd, ActionAllActions, ActionFetchAnnotations, ActionGenerateC
 
 # }}}
 
-# Preferences Plugins {{{
 
+# Preferences Plugins {{{
 
 class LookAndFeel(PreferencesPlugin):
     name = 'Look & Feel'
@@ -1460,8 +1460,8 @@ plugins += [LookAndFeel, Behavior, Columns, Toolbar, Search, InputOptions,
 
 # }}}
 
-# Store plugins {{{
 
+# Store plugins {{{
 
 class StoreAmazonKindleStore(StoreBase):
     name = 'Amazon Kindle'

src/calibre/customize/conversion.py

@@ -11,7 +11,6 @@ from calibre.customize import Plugin
 
 
 class ConversionOption:
-
     '''
     Class representing conversion options
     '''
@@ -127,7 +126,6 @@ def gui_configuration_widget(name, parent, get_option_by_name,
 
 
 class InputFormatPlugin(Plugin):
-
     '''
     InputFormatPlugins are responsible for converting a document into
     HTML+OPF+CSS+etc.
@@ -275,7 +273,6 @@ class InputFormatPlugin(Plugin):
 
 
 class OutputFormatPlugin(Plugin):
-
     '''
     OutputFormatPlugins are responsible for converting an OEB document
     (OPF+HTML) into an output e-book.

src/calibre/customize/profiles.py

@@ -34,8 +34,8 @@ class Plugin(_Plugin):
         self.width_pts = self.width * 72./self.dpi
         self.height_pts = self.height * 72./self.dpi
 
-# Input profiles {{{
 
+# Input profiles {{{
 
 class InputProfile(Plugin):
 

src/calibre/customize/ui.py

@@ -74,11 +74,10 @@ def load_plugin(path_to_zip_file):  # {{{
     :return: A :class:`Plugin` instance.
     '''
     return loader.load(path_to_zip_file)
-
 # }}}
 
-# Enable/disable plugins {{{
 
+# Enable/disable plugins {{{
 
 def disable_plugin(plugin_or_name):
     x = getattr(plugin_or_name, 'name', plugin_or_name)
@@ -131,8 +130,8 @@ def is_disabled(plugin):
             plugin.name in default_disabled_plugins
 # }}}
 
-# File type plugins {{{
 
+# File type plugins {{{
 
 _on_import           = {}
 _on_postimport       = {}
@@ -270,8 +269,8 @@ def run_plugins_on_postadd(db, book_id, fmt_map):
 
 # }}}
 
-# Plugin customization {{{
 
+# Plugin customization {{{
 
 def customize_plugin(plugin, custom):
     d = config['plugin_customization']
@@ -284,8 +283,8 @@ def plugin_customization(plugin):
 
 # }}}
 
-# Input/Output profiles {{{
 
+# Input/Output profiles {{{
 
 def input_profiles():
     for plugin in _initialized_plugins:
@@ -299,8 +298,8 @@ def output_profiles():
             yield plugin
 # }}}
 
-# Interface Actions # {{{
 
+# Interface Actions # {{{
 
 def interface_actions():
     customization = config['plugin_customization']
@@ -311,8 +310,8 @@ def interface_actions():
                 yield plugin
 # }}}
 
-# Preferences Plugins # {{{
 
+# Preferences Plugins # {{{
 
 def preferences_plugins():
     customization = config['plugin_customization']
@@ -323,8 +322,8 @@ def preferences_plugins():
                 yield plugin
 # }}}
 
-# Library Closed Plugins # {{{
 
+# Library Closed Plugins # {{{
 
 def available_library_closed_plugins():
     customization = config['plugin_customization']
@@ -343,8 +342,8 @@ def has_library_closed_plugins():
     return False
 # }}}
 
-# Store Plugins # {{{
 
+# Store Plugins # {{{
 
 def store_plugins():
     customization = config['plugin_customization']
@@ -375,8 +374,8 @@ def available_stores():
 
 # }}}
 
-# Metadata read/write {{{
 
+# Metadata read/write {{{
 
 _metadata_readers = {}
 _metadata_writers = {}
@@ -519,8 +518,8 @@ def can_set_metadata(ftype):
 
 # }}}
 
-# Add/remove plugins {{{
 
+# Add/remove plugins {{{
 
 def add_plugin(path_to_zip_file):
     make_config_dir()
@@ -565,8 +564,8 @@ def remove_plugin(plugin_or_name):
 
 # }}}
 
-# Input/Output format plugins {{{
 
+# Input/Output format plugins {{{
 
 def input_format_plugins():
     for plugin in _initialized_plugins:
@@ -623,8 +622,8 @@ def available_output_formats():
 
 # }}}
 
-# Catalog plugins {{{
 
+# Catalog plugins {{{
 
 def catalog_plugins():
     for plugin in _initialized_plugins:
@@ -648,8 +647,8 @@ def plugin_for_catalog_format(fmt):
 
 # }}}
 
-# Device plugins {{{
 
+# Device plugins {{{
 
 def device_plugins(include_disabled=False):
     for plugin in _initialized_plugins:
@@ -670,8 +669,8 @@ def disabled_device_plugins():
                     yield plugin
 # }}}
 
-# Metadata sources2 {{{
 
+# Metadata sources2 {{{
 
 def metadata_plugins(capabilities):
     capabilities = frozenset(capabilities)
@@ -702,8 +701,8 @@ def patch_metadata_plugins(possibly_updated_plugins):
         _initialized_plugins[i] = pup
 # }}}
 
-# Editor plugins {{{
 
+# Editor plugins {{{
 
 def all_edit_book_tool_plugins():
     for plugin in _initialized_plugins:
@@ -711,8 +710,8 @@ def all_edit_book_tool_plugins():
             yield plugin
 # }}}
 
-# Initialize plugins {{{
 
+# Initialize plugins {{{
 
 _initialized_plugins = []
 
@@ -823,8 +822,8 @@ def initialized_plugins():
 
 # }}}
 
-# CLI {{{
 
+# CLI {{{
 
 def build_plugin(path):
     from calibre import prints

src/calibre/db/backend.py

@@ -197,8 +197,8 @@ class DBPrefs(dict):  # {{{
             return json.load(f, object_hook=from_json)
 # }}}
 
-# Extra collators {{{
 
+# Extra collators {{{
 
 def pynocase(one, two, encoding='utf-8'):
     if isbytestring(one):
@@ -226,8 +226,8 @@ def icu_collator(s1, s2):
 
 # }}}
 
-# Unused aggregators {{{
 
+# Unused aggregators {{{
 
 def Concatenate(sep=','):
     '''String concatenation aggregator for sqlite'''

src/calibre/db/cache.py

@@ -135,7 +135,6 @@ dynamic_category_preferences = frozenset({'grouped_search_make_user_categories',
 
 
 class Cache:
-
     '''
     An in-memory cache of the metadata.db file from a calibre library.
     This class also serves as a threadsafe API for accessing the database.

src/calibre/db/categories.py

@@ -189,6 +189,7 @@ def sort_key_for_name_and_first_letter(x, hierarchical_categories=()):
     return (c if numeric_collation and c.isdigit() else '9999999999',
             collation_order(v2), sort_key(v1))
 
+
 def sort_key_for_name(x, hierarchical_categories=()):
     v = x.sort or x.name
     if x.category not in hierarchical_categories:

src/calibre/db/cli/cmd_catalog.py

@@ -96,8 +96,6 @@ see the different options, specify the name of the output file and then the
     add_plugin_parser_options(fmt, parser)
 
     return parser
-
-
 # }}}
 
 

src/calibre/db/constants.py

@@ -16,6 +16,7 @@ BOOK_ID_PATH_TEMPLATE = ' ({})'
 RESOURCE_URL_SCHEME = 'calres'
 TEMPLATE_ICON_INDICATOR = ' template ' # Item values cannot start or end with space
 
+
 @dataclass
 class TrashEntry:
     book_id: int

src/calibre/db/legacy.py

@@ -164,7 +164,6 @@ class ThreadSafePrefs(MutableMapping):
 
 
 class LibraryDatabase:
-
     ''' Emulate the old LibraryDatabase2 interface '''
 
     PATH_LIMIT = DB.PATH_LIMIT

src/calibre/db/notes/connect.py

@@ -25,6 +25,7 @@ from calibre.utils.icu import lower as icu_lower
 if iswindows:
     from calibre_extensions import winutil
 
+
 class cmt(str):
     pass
 

src/calibre/db/search.py

@@ -28,8 +28,8 @@ EQUALS_MATCH   = 1
 REGEXP_MATCH   = 2
 ACCENT_MATCH   = 3
 
-# Utils {{{
 
+# Utils {{{
 
 def _matchkind(query, case_sensitive=False):
     matchkind = CONTAINS_MATCH

src/calibre/db/tables.py

@@ -20,6 +20,7 @@ from polyglot.builtins import iteritems, itervalues
 def identity(x):
     return x
 
+
 def c_parse(val):
     try:
         year, month, day, hour, minutes, seconds, tzsecs = _c_speedup(val)
@@ -90,7 +91,6 @@ class Table:
 
 
 class VirtualTable(Table):
-
     '''
     A dummy table used for fields that only exist in memory like ondevice
     '''
@@ -102,7 +102,6 @@ class VirtualTable(Table):
 
 
 class OneToOneTable(Table):
-
     '''
     Represents data that is unique per book (it may not actually be unique) but
     each item is assigned to a book in a one-to-one mapping. For example: uuid,
@@ -197,7 +196,6 @@ class CompositeTable(OneToOneTable):
 
 
 class ManyToOneTable(Table):
-
     '''
     Represents data where one data item can map to many books, for example:
     series or publisher.
@@ -409,7 +407,6 @@ class RatingTable(ManyToOneTable):
 
 
 class ManyToManyTable(ManyToOneTable):
-
     '''
     Represents data that has a many-to-many mapping with books. i.e. each book
     can have more than one value and each value can be mapped to more than one

src/calibre/db/tests/__init__.py

@@ -4,6 +4,3 @@
 __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/db/tests/filesystem.py

@@ -160,7 +160,6 @@ class FilesystemTest(BaseTest):
         self.assertEqual(cache.rename_extra_files(1, {'B': 'data/c'}), set())
         self.assertEqual(cache.rename_extra_files(1, {'B': 'data/c'}, replace=True), {'B'})
 
-
     @unittest.skipUnless(iswindows, 'Windows only')
     def test_windows_atomic_move(self):
         'Test book file open in another process when changing metadata'

src/calibre/db/tests/legacy.py

@@ -78,7 +78,6 @@ def run_funcs(self, db, ndb, funcs):
 
 
 class LegacyTest(BaseTest):
-
     ''' Test the emulation of the legacy interface. '''
 
     def test_library_wide_properties(self):  # {{{

src/calibre/db/tests/notes.py

@@ -22,6 +22,7 @@ def test_notes_restore(self: 'NotesTest'):
     doc2 = 'simple notes for an author2'
     cache.set_notes_for('authors', authors[1], doc2, resource_hashes=(h2,))
 
+
 def test_notes_api(self: 'NotesTest'):
     cache, notes = self.create_notes_db()
     authors = sorted(cache.all_field_ids('authors'))
@@ -81,6 +82,7 @@ def test_notes_api(self: 'NotesTest'):
     cache.set_notes_for('authors', authors[0], '', resource_hashes=())
     self.ae(len(os.listdir(notes.retired_dir)), 1)
 
+
 def test_cache_api(self: 'NotesTest'):
     cache, notes = self.create_notes_db()
     authors = cache.field_for('authors', 1)

src/calibre/db/tests/reading.py

@@ -712,7 +712,6 @@ class ReadingTest(BaseTest):
         self.assertRaises(NotImplementedError, pmi.template_to_attribute, {}, {})
         self.assertRaises(NotImplementedError, pmi.smart_update, {})
 
-
     # }}}
 
     def test_marked_field(self):  # {{{

src/calibre/db/tests/writing.py

@@ -920,7 +920,6 @@ class WritingTest(BaseTest):
         cache.restore_annotations(1, list(opf.read_annotations()))
         amap = cache.annotations_map_for_book(1, 'moo')
         self.assertEqual([x[0] for x in annot_list], map_as_list(amap))
-
     # }}}
 
     def test_changed_events(self):  # {{{
@@ -1043,7 +1042,6 @@ class WritingTest(BaseTest):
         self.assertDictEqual({'publisher': {'random': 'url2'}, 'tags': {'foobar': 'url'}},
                              mi.link_maps, "ProxyMetadata didn't return the right link map")
 
-
         # Now test deleting the links.
         links = cache.get_link_map('tags')
         to_del = {l:'' for l in links.keys()}
@@ -1054,6 +1052,4 @@ class WritingTest(BaseTest):
         cache.set_link_map('publisher', to_del)
         self.assertEqual({}, cache.get_link_map('publisher'), 'links on publisher were not deleted')
         self.assertEqual({}, cache.get_all_link_maps_for_book(1), 'Not all links for book were deleted')
-
-
     # }}}

src/calibre/db/utils.py

@@ -107,7 +107,6 @@ class CacheError(Exception):
 
 
 class ThumbnailCache:
-
     ' This is a persistent disk cache to speed up loading and resizing of covers '
 
     def __init__(self,

src/calibre/db/view.py

@@ -99,7 +99,6 @@ def format_identifiers(x):
 
 
 class View:
-
     ''' A table view of the database, with rows and columns. Also supports
     filtering and sorting.  '''
 

src/calibre/db/write.py

@@ -19,8 +19,8 @@ from polyglot.builtins import iteritems, itervalues
 
 missing = object()
 
-# Convert data into values suitable for the db {{{
 
+# Convert data into values suitable for the db {{{
 
 def sqlite_datetime(x):
     return isoformat(x, sep=' ') if isinstance(x, datetime) else x
@@ -190,8 +190,8 @@ def get_adapter(name, metadata):
     return ans
 # }}}
 
-# One-One fields {{{
 
+# One-One fields {{{
 
 def one_one_in_books(book_id_val_map, db, field, *args):
     'Set a one-one field in the books table'
@@ -265,8 +265,8 @@ def custom_series_index(book_id_val_map, db, field, *args):
     return {s[1] for s in sequence}
 # }}}
 
-# Many-One fields {{{
 
+# Many-One fields {{{
 
 def safe_lower(x):
     try:
@@ -392,8 +392,8 @@ def many_one(book_id_val_map, db, field, allow_case_change, *args):
     return dirtied
 # }}}
 
-# Many-Many fields {{{
 
+# Many-Many fields {{{
 
 def uniq(vals, kmap=lambda x:x):
     ''' Remove all duplicates from vals, while preserving order. kmap must be a

src/calibre/devices/jetbook/driver.py

@@ -99,7 +99,6 @@ class MIBUK(USBMS):
 
 
 class JETBOOK_MINI(USBMS):
-
     '''
     ['0x4b8',
   '0x507',
@@ -126,7 +125,6 @@ class JETBOOK_MINI(USBMS):
 
 
 class JETBOOK_COLOR(USBMS):
-
     '''
 set([('0x951',
       '0x160b',

src/calibre/devices/kindle/apnx_page_generator/pages.py

@@ -39,5 +39,3 @@ class Pages:
     @property
     def number_of_pages(self) -> int:
         return sum(len(pg.page_locations) for pg in self.__pages_groups)
-
-

src/calibre/devices/kobo/bookmark.py

@@ -185,5 +185,4 @@ class Bookmark:  # {{{
 
         return ans
 
-
 # }}}

src/calibre/devices/mtp/__init__.py

@@ -4,6 +4,3 @@
 __license__   = 'GPL v3'
 __copyright__ = '2012, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/mtp/filesystem_cache.py

@@ -22,6 +22,7 @@ from calibre.utils.icu import lower, sort_key
 
 bexts = frozenset(BOOK_EXTENSIONS) - {'mbp', 'tan', 'rar', 'zip', 'xml'}
 
+
 def convert_timestamp(md):
     try:
         if isinstance(md, tuple):

src/calibre/devices/mtp/unix/__init__.py

@@ -9,4 +9,3 @@ __docformat__ = 'restructuredtext en'
 '''
 libmtp based drivers for MTP devices on Unix like platforms.
 '''
-

src/calibre/devices/mtp/windows/__init__.py

@@ -4,6 +4,3 @@
 __license__   = 'GPL v3'
 __copyright__ = '2012, Kovid Goyal <kovid at kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
-
-
-

src/calibre/devices/usbms/device.py

@@ -73,7 +73,6 @@ class USBDevice:
 
 
 class Device(DeviceConfig, DevicePlugin):
-
     '''
     This class provides logic common to all drivers for devices that export themselves
     as USB Mass Storage devices. Provides implementations for mounting/ejecting

src/calibre/devices/usbms/driver.py

@@ -67,7 +67,6 @@ def safe_walk(top, topdown=True, onerror=None, followlinks=False, maxdepth=128):
 # CLI must come before Device as it implements the CLI functions that
 # are inherited from the device interface in Device.
 class USBMS(CLI, Device):
-
     '''
     The base class for all USBMS devices. Implements the logic for
     sending/getting/updating metadata/caching metadata/etc.

src/calibre/devices/winusb.py

@@ -44,7 +44,6 @@ except ImportError:
 
 # Data and function type definitions {{{
 
-
 class GUID(Structure):
     _fields_ = [
         ('data1', DWORD),
@@ -701,8 +700,8 @@ def get_volume_pathnames(volume_id, buf=None):
 
 # }}}
 
-# def scan_usb_devices(): {{{
 
+# def scan_usb_devices(): {{{
 
 _USBDevice = namedtuple('USBDevice', 'vendor_id product_id bcd devid devinst')