def render_html(path_to_html, width=590, height=750, as_xhtml=True): from PyQt4.QtWebKit import QWebPage from PyQt4.Qt import QEventLoop, QPalette, Qt, QUrl, QSize from calibre.gui2 import is_ok_to_use_qt if not is_ok_to_use_qt(): return None path_to_html = os.path.abspath(path_to_html) with CurrentDir(os.path.dirname(path_to_html)): page = QWebPage() pal = page.palette() pal.setBrush(QPalette.Background, Qt.white) page.setPalette(pal) page.setViewportSize(QSize(width, height)) page.mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff) page.mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff) loop = QEventLoop() renderer = HTMLRenderer(page, loop) page.loadFinished.connect(renderer, type=Qt.QueuedConnection) if as_xhtml: page.mainFrame().setContent(open(path_to_html, 'rb').read(), 'application/xhtml+xml', QUrl.fromLocalFile(path_to_html)) else: page.mainFrame().load(QUrl.fromLocalFile(path_to_html)) loop.exec_() renderer.loop = renderer.page = None page.loadFinished.disconnect() del page del loop if isinstance(renderer.exception, ParserError) and as_xhtml: return render_html(path_to_html, width=width, height=height, as_xhtml=False) return renderer
def show_help(self): ''' Display strftime help file ''' from calibre.gui2 import open_url path = os.path.join(self.parent.resources_path, 'help/timestamp_formats.html') open_url(QUrl.fromLocalFile(path))
def load_html(path, view, codec='utf-8', mime_type=None, pre_load_callback=lambda x:None, path_is_html=False, force_as_html=False): from PyQt4.Qt import QUrl, QByteArray if mime_type is None: mime_type = guess_type(path)[0] if not mime_type: mime_type = 'text/html' if path_is_html: html = path else: with open(path, 'rb') as f: html = f.read().decode(codec, 'replace') html = EntityDeclarationProcessor(html).processed_html self_closing_pat = re.compile(r'<\s*([:A-Za-z0-9-]+)([^>]*)/\s*>') html = self_closing_pat.sub(self_closing_sub, html) loading_url = QUrl.fromLocalFile(path) pre_load_callback(loading_url) if force_as_html or re.search(r'<[:a-zA-Z0-9-]*svg', html) is None: view.setHtml(html, loading_url) else: view.setContent(QByteArray(html.encode(codec)), mime_type, loading_url) mf = view.page().mainFrame() elem = mf.findFirstElement('parsererror') if not elem.isNull(): return False return True
def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl(QUrl.fromLocalFile(current_container().name_to_abspath(name))) return True
def load_html(path, view, codec='utf-8', mime_type=None, pre_load_callback=lambda x:None, path_is_html=False): from PyQt4.Qt import QUrl, QByteArray if mime_type is None: mime_type = guess_type(path)[0] if path_is_html: html = path else: with open(path, 'rb') as f: html = f.read().decode(codec, 'replace') html = EntityDeclarationProcessor(html).processed_html has_svg = re.search(r'<[:a-zA-Z]*svg', html) is not None if 'xhtml' in mime_type: self_closing_pat = re.compile(r'<([a-z1-6]+)\s+([^>]+)/>', re.IGNORECASE) html = self_closing_pat.sub(self_closing_sub, html) html = re.sub(ur'<\s*title\s*/\s*>', u'', html, flags=re.IGNORECASE) loading_url = QUrl.fromLocalFile(path) pre_load_callback(loading_url) if has_svg: view.setContent(QByteArray(html.encode(codec)), mime_type, loading_url) else: view.setHtml(html, loading_url)
def setDocument(self, filename, empty=""): """Sets the HTML text to be displayed. """ self._source = QUrl.fromLocalFile(filename) if os.path.exists(filename): self.viewer.setSource(self._source) else: self.viewer.setText(empty)
def mimeData(self, itemlist): mimedata = QMimeData() urls = [] for item in itemlist: dp = getattr(item, "_dp", None) dp and urls.append(QUrl.fromLocalFile(dp.fullpath or dp.sourcepath)) mimedata.setUrls(urls) return mimedata
def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile(current_container().name_to_abspath(self.current_name)) if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh()
def toc_clicked(self, index, force=False): if force or QApplication.mouseButtons() & Qt.LeftButton: item = self.toc_model.itemFromIndex(index) if item.abspath is not None: if not os.path.exists(item.abspath): return error_dialog(self, _('No such location'), _('The location pointed to by this item' ' does not exist.'), det_msg=item.abspath, show=True) url = QUrl.fromLocalFile(item.abspath) if item.fragment: url.setFragment(item.fragment) self.link_clicked(url) self.view.setFocus(Qt.OtherFocusReason)
def parse_link(self, link): link = link.strip() if link and os.path.exists(link): return QUrl.fromLocalFile(link) has_schema = re.match(r'^[a-zA-Z]+:', link) if has_schema is not None: url = QUrl(link, QUrl.TolerantMode) if url.isValid(): return url if os.path.exists(link): return QUrl.fromLocalFile(link) if has_schema is None: first, _, rest = link.partition('.') prefix = 'http' if first == 'ftp': prefix = 'ftp' url = QUrl(prefix +'://'+link, QUrl.TolerantMode) if url.isValid(): return url return QUrl(link, QUrl.TolerantMode)
def drag_data(self): m = self.model() rows = self.selectionModel().selectedRows() paths = [force_unicode(p, enc=filesystem_encoding) for p in m.paths(rows) if p] md = QMimeData() md.setData("application/calibre+from_device", "dummy") md.setUrls([QUrl.fromLocalFile(p) for p in paths]) drag = QDrag(self) drag.setMimeData(md) cover = self.drag_icon(m.cover(self.currentIndex().row()), len(paths) > 1) drag.setHotSpot(QPoint(-15, -15)) drag.setPixmap(cover) return drag
def refresh(self): if self.current_name: self.refresh_timer.stop() # This will check if the current html has changed in its editor, # and re-parse it if so parse_worker.add_request(self.current_name) # Tell webkit to reload all html and associated resources current_url = QUrl.fromLocalFile( current_container().name_to_abspath(self.current_name)) if current_url != self.view.url(): # The container was changed self.view.setUrl(current_url) else: self.view.refresh()
def render_html(path_to_html, width=590, height=750, as_xhtml=True): from PyQt4.QtWebKit import QWebPage from PyQt4.Qt import QEventLoop, QPalette, Qt, QUrl, QSize from calibre.gui2 import is_ok_to_use_qt if not is_ok_to_use_qt(): return None path_to_html = os.path.abspath(path_to_html) with CurrentDir(os.path.dirname(path_to_html)): page = QWebPage() pal = page.palette() pal.setBrush(QPalette.Background, Qt.white) page.setPalette(pal) page.setViewportSize(QSize(width, height)) page.mainFrame().setScrollBarPolicy(Qt.Vertical, Qt.ScrollBarAlwaysOff) page.mainFrame().setScrollBarPolicy(Qt.Horizontal, Qt.ScrollBarAlwaysOff) loop = QEventLoop() renderer = HTMLRenderer(page, loop) page.loadFinished.connect(renderer, type=Qt.QueuedConnection) if as_xhtml: page.mainFrame().setContent( open(path_to_html, 'rb').read(), 'application/xhtml+xml', QUrl.fromLocalFile(path_to_html)) else: page.mainFrame().load(QUrl.fromLocalFile(path_to_html)) loop.exec_() renderer.loop = renderer.page = None page.loadFinished.disconnect() del page del loop if isinstance(renderer.exception, ParserError) and as_xhtml: return render_html(path_to_html, width=width, height=height, as_xhtml=False) return renderer
def toc_clicked(self, index, force=False): if force or QApplication.mouseButtons() & Qt.LeftButton: item = self.toc_model.itemFromIndex(index) if item.abspath is not None: if not os.path.exists(item.abspath): return error_dialog( self, _('No such location'), _('The location pointed to by this item' ' does not exist.'), show=True) url = QUrl.fromLocalFile(item.abspath) if item.fragment: url.setFragment(item.fragment) self.link_clicked(url) self.view.setFocus(Qt.OtherFocusReason)
def drag_data(self): m = self.model() rows = self.selectionModel().selectedRows() paths = [ force_unicode(p, enc=filesystem_encoding) for p in m.paths(rows) if p ] md = QMimeData() md.setData('application/calibre+from_device', 'dummy') md.setUrls([QUrl.fromLocalFile(p) for p in paths]) drag = QDrag(self) drag.setMimeData(md) cover = self.drag_icon(m.cover(self.currentIndex().row()), len(paths) > 1) drag.setHotSpot(QPoint(-15, -15)) drag.setPixmap(cover) return drag
def url_for_id(i): try: ans = db.format_path(i, fmt, index_is_id=True) except: ans = None if ans is None: fmts = db.formats(i, index_is_id=True) if fmts: fmts = fmts.split(',') else: fmts = [] for f in fmts: try: ans = db.format_path(i, f, index_is_id=True) except: ans = None if ans is None: ans = db.abspath(i, index_is_id=True) return QUrl.fromLocalFile(ans)
def url_for_id(i): try: ans = db.format_path(i, fmt, index_is_id=True) except: ans = None if ans is None: fmts = db.formats(i, index_is_id=True) if fmts: fmts = fmts.split(',') else: fmts = [] for f in fmts: try: ans = db.format_path(i, f, index_is_id=True) except: ans = None if ans is None: ans = db.abspath(i, index_is_id=True) return QUrl.fromLocalFile(ans)
def parse_link(self, link): link = link.strip() has_schema = re.match(r'^[a-zA-Z]+:', link) if has_schema is not None: url = QUrl(link, QUrl.TolerantMode) if url.isValid(): return url if os.path.exists(link): return QUrl.fromLocalFile(link) if has_schema is None: first, _, rest = link.partition('.') prefix = 'http' if first == 'ftp': prefix = 'ftp' url = QUrl(prefix + '://' + link, QUrl.TolerantMode) if url.isValid(): return url return QUrl(link, QUrl.TolerantMode)
def popup_table(self): html = self.document.extract_node() self.table_popup(html, QUrl.fromLocalFile(self.last_loaded_path), self.document.font_magnification_step)
def show_help(self): self._log_location() path = os.path.join(self.parent.resources_path, 'help', 'marvin.html') open_url(QUrl.fromLocalFile(path))
def open_local_file(path): if iswindows: os.startfile(os.path.normpath(path)) else: url = QUrl.fromLocalFile(path) open_url(url)
class ImagePopup(object): def __init__(self, parent): self.current_img = QPixmap() self.current_url = QUrl() self.parent = parent self.dialogs = [] def __call__(self): if self.current_img.isNull(): return d = ImageView(self.parent, self.current_img, self.current_url) self.dialogs.append(d) d.finished.connect(self.cleanup, type=Qt.QueuedConnection) d() def cleanup(self): for d in tuple(self.dialogs): if not d.isVisible(): self.dialogs.remove(d) if __name__ == '__main__': import sys app = QApplication([]) p = QPixmap() p.load(sys.argv[-1]) u = QUrl.fromLocalFile(sys.argv[-1]) d = ImageView(None, p, u) d() app.exec_()
def open_local_file(path): if iswindows: os.startfile(os.path.normpath(path)) else: url = QUrl.fromLocalFile(path) open_url(url)
def show_help(self): self._log_location() path = os.path.join(self.parent.resources_path, 'help', 'marvin.html') open_url(QUrl.fromLocalFile(path))
def show(self, name): if name != self.current_name: self.refresh_timer.stop() self.current_name = name parse_worker.add_request(name) self.view.setUrl(QUrl.fromLocalFile(current_container().name_to_abspath(name)))
def popup_table(self): html = self.document.extract_node() self.table_popup(html, QUrl.fromLocalFile(self.last_loaded_path), self.document.font_magnification_step)
class ImagePopup(object): def __init__(self, parent): self.current_img = QPixmap() self.current_url = QUrl() self.parent = parent self.dialogs = [] def __call__(self): if self.current_img.isNull(): return d = ImageView(self.parent, self.current_img, self.current_url) self.dialogs.append(d) d.finished.connect(self.cleanup, type=Qt.QueuedConnection) d() def cleanup(self): for d in tuple(self.dialogs): if not d.isVisible(): self.dialogs.remove(d) if __name__ == '__main__': import sys app = QApplication([]) p = QPixmap() p.load(sys.argv[-1]) u = QUrl.fromLocalFile(sys.argv[-1]) d = ImageView(None, p, u) d() app.exec_()