Identifiers to URLs

src/calibre/customize/ui.py

@@ -453,12 +453,15 @@ def epub_fixers():
 # Metadata sources2 {{{
 def metadata_plugins(capabilities):
     capabilities = frozenset(capabilities)
-    for plugin in _initialized_plugins:
+    for plugin in all_metadata_plugins():
-        if isinstance(plugin, Source) and \
+        if plugin.capabilities.intersection(capabilities) and \
-                plugin.capabilities.intersection(capabilities) and \
                 not is_disabled(plugin):
             yield plugin
 
+def all_metadata_plugins():
+    for plugin in _initialized_plugins:
+        if isinstance(plugin, Source):
+            yield plugin
 # }}}
 
 # Initialize plugins {{{

src/calibre/ebooks/metadata/sources/amazon.py

@@ -295,6 +295,14 @@ class Amazon(Source):
             'uk' : _('UK'),
     }
 
+    def get_book_url(self, identifiers): # {{{
+        asin = identifiers.get('amazon', None)
+        if asin is None:
+            asin = identifiers.get('asin', None)
+        if asin:
+            return 'http://amzn.com/%s'%asin
+    # }}}
+
     def create_query(self, log, title=None, authors=None, identifiers={}): # {{{
         domain = self.prefs.get('domain', 'com')
 

src/calibre/ebooks/metadata/sources/base.py

@@ -301,6 +301,13 @@ class Source(Plugin):
 
     # Metadata API {{{
 
+    def get_book_url(self, identifiers):
+        '''
+        Return the URL for the book identified by identifiers at this source.
+        If no URL is found, return None.
+        '''
+        return None
+
     def get_cached_cover_url(self, identifiers):
         '''
         Return cached cover URL for the book identified by

src/calibre/ebooks/metadata/sources/google.py

@@ -167,6 +167,12 @@ class GoogleBooks(Source):
 
     GOOGLE_COVER = 'http://books.google.com/books?id=%s&printsec=frontcover&img=1'
 
+    def get_book_url(self, identifiers): # {{{
+        goog = identifiers.get('google', None)
+        if goog is not None:
+            return 'http://books.google.com/books?id=%s'%goog
+    # }}}
+
     def create_query(self, log, title=None, authors=None, identifiers={}): # {{{
         BASE_URL = 'http://books.google.com/books/feeds/volumes?'
         isbn = check_isbn(identifiers.get('isbn', None))

src/calibre/ebooks/metadata/sources/identify.py

@@ -14,7 +14,7 @@ from threading import Thread
 from io import BytesIO
 from operator import attrgetter
 
-from calibre.customize.ui import metadata_plugins
+from calibre.customize.ui import metadata_plugins, all_metadata_plugins
 from calibre.ebooks.metadata.sources.base import create_log, msprefs
 from calibre.ebooks.metadata.xisbn import xisbn
 from calibre.ebooks.metadata.book.base import Metadata
@@ -366,6 +366,18 @@ def identify(log, abort, # {{{
     return results
 # }}}
 
+def urls_from_identifiers(identifiers): # {{{
+    ans = []
+    for plugin in all_metadata_plugins():
+        try:
+            url = plugin.get_book_url(identifiers)
+            if url is not None:
+                ans.append((plugin.name, url))
+        except:
+            pass
+    return ans
+# }}}
+
 if __name__ == '__main__': # tests {{{
     # To run these test use: calibre-debug -e
     # src/calibre/ebooks/metadata/sources/identify.py

src/calibre/gui2/metadata/single_download.py

@@ -7,6 +7,9 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
+DEBUG_DIALOG = False
+
+# Imports {{{
 from threading import Thread, Event
 from operator import attrgetter
 from Queue import Queue, Empty
@@ -21,14 +24,14 @@ from PyQt4.QtWebKit import QWebView
 from calibre.customize.ui import metadata_plugins
 from calibre.ebooks.metadata import authors_to_string
 from calibre.utils.logging import GUILog as Log
-from calibre.ebooks.metadata.sources.identify import identify
+from calibre.ebooks.metadata.sources.identify import (identify,
+        urls_from_identifiers)
 from calibre.ebooks.metadata.book.base import Metadata
 from calibre.gui2 import error_dialog, NONE
 from calibre.utils.date import utcnow, fromordinal, format_date
 from calibre.library.comments import comments_to_html
 from calibre import force_unicode
-
+# }}}
-DEBUG_DIALOG = False
 
 class RichTextDelegate(QStyledItemDelegate): # {{{
 
@@ -41,7 +44,11 @@ class RichTextDelegate(QStyledItemDelegate): # {{{
         return doc
 
     def sizeHint(self, option, index):
-        ans = self.to_doc(index).size().toSize()
+        doc = self.to_doc(index)
+        ans = doc.size().toSize()
+        if ans.width() > 250:
+            doc.setTextWidth(250)
+            ans = doc.size().toSize()
         ans.setHeight(ans.height()+10)
         return ans
 
@@ -234,6 +241,11 @@ class ResultsView(QTableView): # {{{
         if not book.is_null('rating'):
             parts.append('<div>%s</div>'%('\u2605'*int(book.rating)))
         parts.append('</center>')
+        if book.identifiers:
+            urls = urls_from_identifiers(book.identifiers)
+            ids = ['<a href="%s">%s</a>'%(url, name) for name, url in urls]
+            if ids:
+                parts.append('<div><b>%s:</b> %s</div><br>'%(_('See at'), ', '.join(ids)))
         if book.tags:
             parts.append('<div>%s</div><div>\u00a0</div>'%', '.join(book.tags))
         if book.comments:
@@ -265,6 +277,14 @@ class Comments(QWebView): # {{{
         self.page().setPalette(palette)
         self.setAttribute(Qt.WA_OpaquePaintEvent, False)
 
+        self.page().setLinkDelegationPolicy(self.page().DelegateAllLinks)
+        self.linkClicked.connect(self.link_clicked)
+
+    def link_clicked(self, url):
+        from calibre.gui2 import open_url
+        if unicode(url.toString()).startswith('http://'):
+            open_url(url)
+
     def turnoff_scrollbar(self, *args):
         self.page().mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff)
 
@@ -382,7 +402,7 @@ class IdentifyWidget(QWidget): # {{{
         self.query.setWordWrap(True)
         l.addWidget(self.query, 2, 0, 1, 2)
 
-        self.comments_view.show_data('<h2>'+_('Downloading')+
+        self.comments_view.show_data('<h2>'+_('Please wait')+
                 '<br><span id="dots">.</span></h2>'+
                 '''
                 <script type="text/javascript">
@@ -848,7 +868,7 @@ class FullFetch(QDialog): # {{{
 # }}}
 
 if __name__ == '__main__':
-    DEBUG_DIALOG = True
+    #DEBUG_DIALOG = True
     app = QApplication([])
     d = FullFetch(Log())
     d.start(title='great gatsby', authors=['Fitzgerald'])