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Fix #5819 (No module named book_details)
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src/calibre/gui2/book_details.py
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170
src/calibre/gui2/book_details.py
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#!/usr/bin/env python
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# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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__license__ = 'GPL v3'
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__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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import os, collections
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from PyQt4.Qt import QLabel, QPixmap, QSize, QWidget, Qt, pyqtSignal, \
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QVBoxLayout, QScrollArea
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from calibre import fit_image, prepare_string_for_xml
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from calibre.gui2.widgets import IMAGE_EXTENSIONS
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from calibre.ebooks import BOOK_EXTENSIONS
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from calibre.constants import preferred_encoding
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class CoverView(QLabel):
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def __init__(self, parent=None):
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QLabel.__init__(self, parent)
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self.default_pixmap = QPixmap(I('book.svg'))
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self.max_width, self.max_height = 120, 120
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self.setScaledContents(True)
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self.setPixmap(self.default_pixmap)
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def do_layout(self):
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pixmap = self.pixmap()
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pwidth, pheight = pixmap.width(), pixmap.height()
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width, height = fit_image(pwidth, pheight,
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self.max_width, self.max_height)[1:]
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self.setMaximumWidth(width)
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try:
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aspect_ratio = pwidth/float(pheight)
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except ZeroDivisionError:
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aspect_ratio = 1
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mh = min(self.max_height, int(width/aspect_ratio))
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self.setMaximumHeight(mh)
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def setPixmap(self, pixmap):
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QLabel.setPixmap(self, pixmap)
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self.do_layout()
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def sizeHint(self):
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return QSize(self.maximumWidth(), self.maximumHeight())
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def relayout(self, parent_size):
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self.max_height = int(parent_size.height()/3.)
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self.max_width = parent_size.width()
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self.do_layout()
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def show_data(self, data):
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if data.has_key('cover'):
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self.setPixmap(QPixmap.fromImage(data.pop('cover')))
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else:
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self.setPixmap(self.default_pixmap)
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class BookInfo(QScrollArea):
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def __init__(self, parent=None):
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QScrollArea.__init__(self, parent)
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self.setWidgetResizable(True)
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self.label = QLabel()
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self.label.setWordWrap(True)
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self.setWidget(self.label)
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def show_data(self, data):
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self.label.setText('')
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self.data = data.copy()
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rows = render_rows(self.data)
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rows = u'\n'.join([u'<tr><td valign="top"><b>%s:</b></td><td valign="top">%s</td></tr>'%(k,t) for
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k, t in rows])
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self.label.setText(u'<table>%s</table>'%rows)
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WEIGHTS = collections.defaultdict(lambda : 100)
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WEIGHTS[_('Path')] = 0
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WEIGHTS[_('Formats')] = 1
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WEIGHTS[_('Collections')] = 2
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WEIGHTS[_('Series')] = 3
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WEIGHTS[_('Tags')] = 4
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def render_rows(data):
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keys = data.keys()
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keys.sort(cmp=lambda x, y: cmp(WEIGHTS[x], WEIGHTS[y]))
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rows = []
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for key in keys:
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txt = data[key]
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if key in ('id', _('Comments')) or not txt or not txt.strip() or \
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txt == 'None':
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continue
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if isinstance(key, str):
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key = key.decode(preferred_encoding, 'replace')
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if isinstance(txt, str):
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txt = txt.decode(preferred_encoding, 'replace')
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if '</font>' not in txt:
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txt = prepare_string_for_xml(txt)
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if key == _('Path'):
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txt = '...'+os.sep+os.sep.join(txt.split(os.sep)[-2:])
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txt = u'<a href="path:%s">%s</a>'%(data['id'], txt)
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if key == _('Formats') and txt and txt != _('None'):
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fmts = [x.strip() for x in txt.split(',')]
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fmts = [u'<a href="format:%s:%s">%s</a>' % (data['id'], x, x) for x
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in fmts]
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txt = ', '.join(fmts)
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rows.append((key, txt))
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return rows
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class BookDetails(QWidget):
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resized = pyqtSignal(object)
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show_book_info = pyqtSignal()
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# Drag 'n drop {{{
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DROPABBLE_EXTENSIONS = IMAGE_EXTENSIONS+BOOK_EXTENSIONS
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files_dropped = pyqtSignal(object, object)
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@classmethod
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def paths_from_event(cls, event):
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'''
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Accept a drop event and return a list of paths that can be read from
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and represent files with extensions.
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'''
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if event.mimeData().hasFormat('text/uri-list'):
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urls = [unicode(u.toLocalFile()) for u in event.mimeData().urls()]
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urls = [u for u in urls if os.path.splitext(u)[1] and os.access(u, os.R_OK)]
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return [u for u in urls if os.path.splitext(u)[1][1:].lower() in cls.DROPABBLE_EXTENSIONS]
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def dragEnterEvent(self, event):
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if int(event.possibleActions() & Qt.CopyAction) + \
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int(event.possibleActions() & Qt.MoveAction) == 0:
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return
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paths = self.paths_from_event(event)
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if paths:
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event.acceptProposedAction()
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def dropEvent(self, event):
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paths = self.paths_from_event(event)
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event.setDropAction(Qt.CopyAction)
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self.files_dropped.emit(event, paths)
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def dragMoveEvent(self, event):
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event.acceptProposedAction()
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# }}}
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def __init__(self, parent=None):
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QWidget.__init__(self, parent)
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self._layout = QVBoxLayout()
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self.setLayout(self._layout)
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self.cover_view = CoverView(self)
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self.cover_view.relayout()
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self.resized.connect(self.cover_view.relayout, type=Qt.QueuedConnection)
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self._layout.addWidget(self.cover_view)
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def resizeEvent(self, ev):
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self.resized.emit(self.size())
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def show_data(self, data):
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self.cover_view.show_data(data)
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def reset_info(self):
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self.show_data({})
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def mouseReleaseEvent(self, ev):
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self.show_book_info.emit()
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