class ConvertDialog(QDialog):
hide_text = _('&Hide styles')
show_text = _('&Show styles')
prince_log = ''
prince_file = ''
prince_css = ''
# GUI definition
def __init__(self, mi, fmt, opf, oeb, icon):
'''
:param mi: The book metadata
:param fmt: The source format used for conversion
:param opf: The path to the OPF file
:param oeb: An OEB object for the unpacked book
:param icon: The window icon
'''
self.opf = opf
self.oeb = oeb
self.mi = mi
# The unpacked book needs to be parsed before, to read the contents
# of the prince-style file, if it exists
self.parse()
QDialog.__init__(self)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setWindowTitle(_('Convert to PDF with Prince'))
self.setWindowIcon(icon)
self.l = QVBoxLayout()
self.setLayout(self.l)
self.title_label = QLabel(_('<b>Title:</b> %s') % self.mi.title)
self.l.addWidget(self.title_label)
self.format_label = QLabel(_('<b>Source format:</b> %s') % fmt)
self.l.addWidget(self.format_label)
self.add_book = QCheckBox(_('&Add PDF to the book record'))
self.add_book.setToolTip(_('<qt>Add the converted PDF to the selected book record</qt>'))
self.add_book.setChecked(prefs['add_book'])
self.add_book.stateChanged.connect(self.set_add_book)
self.l.addWidget(self.add_book)
self.ll = QHBoxLayout()
self.ll.setAlignment(Qt.AlignLeft)
self.l.addLayout(self.ll)
self.label_css = QLabel(_('&Custom style:'))
self.ll.addWidget(self.label_css)
self.css_list = QComboBox()
self.css_list.setToolTip(_('<qt>Select one style to use. Additional styles can be created in the plugin configuration</qt>'))
for key in sorted(prefs['custom_CSS_list'], key=lambda x: x.lower()):
self.css_list.addItem(key, key)
self.css_list.setCurrentIndex(self.css_list.findText(prefs['default_CSS']))
self.css_list.currentIndexChanged.connect(self.set_css)
self.ll.addWidget(self.css_list)
self.label_css.setBuddy(self.css_list)
self.ll_ = QHBoxLayout()
self.l.addLayout(self.ll_)
self.label_args = QLabel(_('A&dditional command-line arguments:'))
self.ll_.addWidget(self.label_args)
self.args = QLineEdit(self)
self.args.setText(prefs['custom_args_list'][prefs['default_CSS']])
self.args.setToolTip(_('<qt>Specify additional command-line arguments for the conversion</qt>'))
self.ll_.addWidget(self.args)
self.label_args.setBuddy(self.args)
self.css = QTabWidget()
self.l.addWidget(self.css)
self.css1 = TextEditWithTooltip(self, expected_geometry=(80,20))
self.css1.setLineWrapMode(TextEditWithTooltip.NoWrap)
self.css1.load_text(self.replace_templates(prefs['custom_CSS_list'][prefs['default_CSS']]),'css')
self.css1.setToolTip(_('<qt>This stylesheet can be modified<br/>The default can be configured</qt>'))
i = self.css.addTab(self.css1, _('C&ustom CSS'))
self.css.setTabToolTip(i, _('<qt>Custom CSS stylesheet to be used for this conversion</qt>'))
monofont = QFont('')
monofont.setStyleHint(QFont.TypeWriter)
if (self.prince_css):
self.css2 = QPlainTextEdit()
self.css2.setStyleSheet('* { font-family: monospace }')
self.css2.setLineWrapMode(QPlainTextEdit.NoWrap)
self.css2.setPlainText(self.prince_css)
self.css2.setReadOnly(True)
self.css2.setToolTip(_('<qt>This stylesheet cannot be modified</qt>'))
i = self.css.addTab(self.css2, _('&Book CSS'))
self.css.setTabToolTip(i, _('<qt>Book-specific CSS stylesheet included in the ebook file</qt>'))
self.ll = QHBoxLayout()
self.l.addLayout(self.ll)
if (prefs['show_CSS']):
self.toggle = QPushButton(self.hide_text, self)
else:
self.toggle = QPushButton(self.show_text, self)
self.toggle.setToolTip(_('<qt>Show/hide the additional styles used for the conversion</qt>'))
self.toggle.clicked.connect(self.toggle_tabs)
self.convert = QPushButton(_('Con&vert'), self)
self.convert.setToolTip(_('<qt>Run the conversion with Prince</qt>'))
self.convert.setDefault(True)
self.buttons = QDialogButtonBox(QDialogButtonBox.Cancel)
self.buttons.addButton(self.toggle, QDialogButtonBox.ResetRole)
self.buttons.addButton(self.convert, QDialogButtonBox.AcceptRole)
self.l.addWidget(self.buttons)
self.buttons.accepted.connect(self.prince_convert)
self.buttons.rejected.connect(self.reject)
if (not prefs['show_CSS']):
self.css.hide()
self.adjustSize()
def toggle_tabs(self):
'''
Enable/disable the CSS tabs, and store the setting
'''
if (self.css.isVisible()):
self.css.hide()
self.label_args.hide()
self.args.hide()
self.toggle.setText(self.show_text)
self.adjustSize()
else:
self.css.show()
self.label_args.show()
self.args.show()
self.toggle.setText(self.hide_text)
self.adjustSize()
prefs['show_CSS'] = self.css.isVisible()
def set_add_book(self):
'''
Save the status of the add_book checkbox
'''
prefs['add_book'] = self.add_book.isChecked()
def set_css(self):
'''
Fill the custom CSS text box with the selected stylesheet (and command-line arguments)
'''
style = unicode(self.css_list.currentText())
self.css1.load_text(self.replace_templates(prefs['custom_CSS_list'][style]),'css')
self.args.setText(prefs['custom_args_list'][style])
prefs['default_CSS'] = style
def parse(self):
'''
Parse the unpacked OPF file to find and read the prince-style file
'''
from calibre.constants import DEBUG
from os.path import dirname, join
from lxml import etree
import codecs
if DEBUG: print(_('Parsing book...'))
opf_dir = dirname(self.opf)
root = etree.parse(self.opf).getroot()
metadata = root.find('{*}metadata')
for meta in metadata.findall("{*}meta[@name='prince-style']"):
prince_id = meta.get('content')
for item in self.oeb.manifest:
if (item.id == prince_id):
self.prince_file = item.href
break
if (self.prince_file):
fl = codecs.open(join(opf_dir, self.prince_file), 'rb', 'utf-8')
self.prince_css = fl.read()
fl.close()
def replace_templates(self, text):
'''
Replace templates (enclosed by '@{@', '@}@') in the input text
'''
import re
import json
from calibre.ebooks.metadata.book.formatter import SafeFormat
from calibre.constants import DEBUG
matches = list(re.finditer('@{@(.+?)@}@',text,re.DOTALL))
results = {}
for match in reversed(matches):
result = SafeFormat().safe_format(match.group(1), self.mi, ('EXCEPTION: '), self.mi)
# Escape quotes, backslashes and newlines
result = re.sub(r'''['"\\]''', r'\\\g<0>', result)
result = re.sub('\n', r'\A ', result)
results[match.group(1)] = result
text = text[:match.start(0)] + result + text[match.end(0):]
if DEBUG:
print(_('Replacing templates'))
for match in matches:
print(_('Found: %s (%d-%d)') % (match.group(1), match.start(0), match.end(0)))
print(_('Replace with: %s') % results[match.group(1)])
return text
def prince_convert(self):
'''
Call the actual Prince command to convert to PDF
'''
from os import makedirs
from os.path import dirname, join, exists
from calibre.ptempfile import PersistentTemporaryFile
from calibre.constants import DEBUG
from shlex import split as shsplit
# All files are relative to the OPF location
opf_dir = dirname(self.opf)
base_dir = dirname(self.pdf_file)
base_dir = join(opf_dir, base_dir)
try:
makedirs(base_dir)
except BaseException:
if not exists(base_dir): raise
# Create a temporary CSS file with the box contents
custom_CSS = PersistentTemporaryFile()
custom_CSS.write(unicode(self.css1.toPlainText()))
custom_CSS.close()
# Create a temporary file with the list of input files
file_list = PersistentTemporaryFile()
for item in self.oeb.spine:
file_list.write(item.href + "\n")
file_list.close()
# Build the command line
command = prefs['prince_exe']
args = ['-v']
if self.prince_file:
args.append('-s')
args.append(self.prince_file)
args.append('-s')
args.append(custom_CSS.name)
args.append('-l')
args.append(file_list.name)
args.append('-o')
args.append(self.pdf_file)
# Additional command-line arguments
args.extend(shsplit(self.args.text()))
# Hide the convert button and show a busy indicator
self.convert.setEnabled(False)
self.progress_bar = QProgressBar()
self.progress_bar.setRange(0,0)
self.progress_bar.setValue(0)
self.l.addWidget(self.progress_bar)
# Run the command and return the path to the PDF file
if DEBUG: print(_('Converting book...'))
process = QProcess(self)
process.setWorkingDirectory(opf_dir)
process.setProcessChannelMode(QProcess.MergedChannels);
process.error.connect(self.error)
process.finished.connect(self.end)
self.process = process
if DEBUG:
from subprocess import list2cmdline
line = list2cmdline([command] + args)
print(_('Command line: %s') % line)
process.start(command, args)
def error(self, rc):
'''
Show a message when there is an error in the command
:param rc: The error code
'''
from calibre.gui2 import error_dialog
# Remove the progress bar while the error message is displayed
self.progress_bar.hide()
self.progress_bar.deleteLater()
error_dialog(self, _('Process error'), _('<p>Error code: %s'
'<p>make sure Prince (<a href="http://www.princexml.com">www.princexml.com</a>) is installed '
'and the correct command-line-interface executable is set in the configuration of this plugin, '
'which is usually:'
'<ul><li>In Windows: <code><i>Prince_folder</i>\\Engine\\bin\\prince.exe</code>'
' <li>In Linux: <code>prince</code>'
'</ul>') % rc, show=True)
self.pdf_file = None
self.accept()
def end(self, rc):
'''
Close and return the filename when the process ends
:param rc: The return code (0 if successful)
'''
from os.path import join
self.prince_log = unicode(self.process.readAllStandardOutput().data())
opf_dir = unicode(self.process.workingDirectory())
if (rc == 0):
self.pdf_file = join(opf_dir, self.pdf_file)
else:
self.pdf_file = None
self.accept()
class PanelQWidget(QWidget):
"""
Class who manage Panel with Host and Services QWidgets
"""
def __init__(self, parent=None):
super(PanelQWidget, self).__init__(parent)
self.setAcceptDrops(True)
# Fields
self.tab_widget = QTabWidget()
self.layout = QVBoxLayout()
self.dashboard_widget = DashboardQWidget()
self.synthesis_widget = SynthesisQWidget()
self.problems_widget = ProblemsQWidget()
self.spy_widget = SpyQWidget()
self.hostnames_list = []
def initialize(self):
"""
Create the QWidget with its items and layout.
"""
logger.info('Create Panel View...')
self.setLayout(self.layout)
# Dashboard widget
self.dashboard_widget.initialize()
self.layout.addWidget(self.dashboard_widget)
self.tab_widget.setMovable(True)
self.layout.addWidget(self.tab_widget)
tab_order = self.get_tab_order()
# Set hostnames
self.hostnames_list = data_manager.get_all_hostnames()
# Synthesis
self.synthesis_widget.initialize_synthesis()
self.synthesis_widget.host_widget.spy_btn.clicked.connect(
self.spy_host)
self.synthesis_widget.line_search.returnPressed.connect(
self.display_host)
self.synthesis_widget.line_search.cursorPositionChanged.connect(
self.display_host)
self.synthesis_widget.create_line_search(self.hostnames_list)
self.tab_widget.insertTab(tab_order.index('h'), self.synthesis_widget,
_('Host Synthesis'))
self.tab_widget.setTabToolTip(
self.tab_widget.indexOf(self.synthesis_widget),
_('See a synthesis view of a host'))
# Problems
self.problems_widget.initialize(self.spy_widget)
self.problems_widget.host_btn.clicked.connect(self.display_host)
self.problems_widget.problems_table.doubleClicked.connect(
self.set_host_from_problems)
self.tab_widget.insertTab(
tab_order.index('p'), self.problems_widget,
_('Problems (%d)') % len(data_manager.get_problems()['problems']))
self.tab_widget.setTabToolTip(
self.tab_widget.indexOf(self.problems_widget),
_('See the problems found in backend'))
# Spied hosts
self.spy_widget.initialize()
self.tab_widget.insertTab(tab_order.index('s'), self.spy_widget,
_('Spy Hosts'))
self.tab_widget.setTabToolTip(self.tab_widget.indexOf(self.spy_widget),
_('See spy hosts by Alignak-app'))
# Hide widget for first display
self.dashboard_widget.show()
self.synthesis_widget.host_widget.hide()
self.synthesis_widget.services_widget.hide()
@staticmethod
def get_tab_order():
"""
Return tab order defined by user, else default order
:return: tab order of App
:rtype: list
"""
default_order = ['p', 'h', 's']
tab_order = settings.get_config('Alignak-app', 'tab_order').split(',')
try:
assert len(tab_order) == len(default_order)
for nb in default_order:
assert nb in tab_order
except AssertionError:
logger.error('Wrong "tab_order" value in config file %s',
tab_order)
tab_order = default_order
return tab_order
def spy_host(self):
"""
Spy host who is available in line_search QLineEdit
"""
if self.synthesis_widget.line_search.text() in self.hostnames_list:
# Spy host
self.spy_widget.spy_list_widget.add_spy_host(
self.synthesis_widget.host_widget.host_item.item_id)
# Update QWidgets
self.synthesis_widget.host_widget.spy_btn.setEnabled(False)
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.spy_widget),
_("Spied Hosts (%d)") %
self.spy_widget.spy_list_widget.count())
def display_host(self):
"""
Display and update HostQWidget
"""
# Update and set "line_search" in case hosts have been added or deleted
hostnames_list = data_manager.get_all_hostnames()
if hostnames_list != self.hostnames_list:
self.synthesis_widget.create_line_search(hostnames_list)
# If sender is QPushButton from problems, set "line_search" text
if isinstance(self.sender(), QPushButton):
self.set_host_from_problems()
# Display host if exists
if self.synthesis_widget.line_search.text().rstrip(
) in self.hostnames_list:
# Get Host Item and its services
host = self.get_current_host()
services = data_manager.get_host_services(host.item_id)
if not services:
app_backend.query_services(host.item_id)
services = data_manager.get_host_services(host.item_id)
# Update QWidgets
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.synthesis_widget),
_('Host "%s"') % host.get_display_name())
not_spied = bool(host.item_id not in
self.spy_widget.spy_list_widget.spied_hosts)
self.synthesis_widget.update_synthesis(host, services, not_spied)
self.dashboard_widget.update_dashboard()
else:
self.synthesis_widget.update_synthesis(None, None, True)
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.synthesis_widget),
_('Host Synthesis'))
def set_host_from_problems(self):
"""
Set line search if ``sender()`` is instance of QPushButton from
:class:`Problems <alignak_app.qobjects.alignak.problems.ProblemsQWidget>` QWidget
"""
item = self.problems_widget.get_current_user_role_item()
if item:
if 'service' in item.item_type:
hostname = data_manager.get_item('host',
item.data['host']).name
else:
hostname = item.name
if hostname in self.hostnames_list:
self.synthesis_widget.line_search.setText(hostname)
self.tab_widget.setCurrentIndex(
self.tab_widget.indexOf(self.synthesis_widget))
def get_current_host(self):
"""
Return current Host item with name in QLineEdit
:return: current host
:rtype: alignak_app.items.host.Host
"""
current_host = data_manager.get_item(
'host',
self.synthesis_widget.line_search.text().rstrip())
return current_host
def dragMoveEvent(self, event): # pragma: no cover
"""
Override dragMoveEvent.
Only accept EventItem() objects who have ``Qt.UserRole``
:param event: event triggered when something move
"""
if event.source().currentItem().data(Qt.UserRole):
event.accept()
else:
event.ignore()
def dropEvent(self, event): # pragma: no cover
"""
Override dropEvent.
Get dropped item data, create a new one, and delete the one who is in EventsQWidget
:param event: event triggered when something is dropped
"""
host = data_manager.get_item(
'host', '_id',
event.source().currentItem().data(Qt.UserRole))
logger.debug('Drag and drop host in Panel: %s', host.name)
logger.debug('... with current item: %s', event.source().currentItem())
self.synthesis_widget.line_search.setText(host.name)
self.tab_widget.setCurrentIndex(
self.tab_widget.indexOf(self.synthesis_widget))
self.display_host()
def dragEnterEvent(self, event):
"""
Override dragEnterEvent.
:param event: event triggered when something enter
"""
event.accept()
event.acceptProposedAction()
class ConvertDialog(QDialog):
hide_text = _('&Hide styles')
show_text = _('&Show styles')
prince_log = ''
prince_file = ''
prince_css = ''
# GUI definition
def __init__(self, mi, fmt, opf, oeb, icon):
'''
:param mi: The book metadata
:param fmt: The source format used for conversion
:param opf: The path to the OPF file
:param oeb: An OEB object for the unpacked book
:param icon: The window icon
'''
self.opf = opf
self.oeb = oeb
self.mi = mi
# The unpacked book needs to be parsed before, to read the contents
# of the prince-style file, if it exists
self.parse()
QDialog.__init__(self)
self.setAttribute(Qt.WA_DeleteOnClose)
self.setWindowTitle(_('Convert to PDF with Prince'))
self.setWindowIcon(icon)
self.l = QVBoxLayout()
self.setLayout(self.l)
self.title_label = QLabel(_('<b>Title:</b> %s') % self.mi.title)
self.l.addWidget(self.title_label)
self.format_label = QLabel(_('<b>Source format:</b> %s') % fmt)
self.l.addWidget(self.format_label)
self.add_book = QCheckBox(_('&Add PDF to the book record'))
self.add_book.setToolTip(
_('<qt>Add the converted PDF to the selected book record</qt>'))
self.add_book.setChecked(prefs['add_book'])
self.add_book.stateChanged.connect(self.set_add_book)
self.l.addWidget(self.add_book)
self.ll = QHBoxLayout()
self.ll.setAlignment(Qt.AlignLeft)
self.l.addLayout(self.ll)
self.label_css = QLabel(_('&Custom style:'))
self.ll.addWidget(self.label_css)
self.css_list = QComboBox()
self.css_list.setToolTip(
_('<qt>Select one style to use. Additional styles can be created in the plugin configuration</qt>'
))
for key in sorted(prefs['custom_CSS_list'], key=lambda x: x.lower()):
self.css_list.addItem(key, key)
self.css_list.setCurrentIndex(
self.css_list.findText(prefs['default_CSS']))
self.css_list.currentIndexChanged.connect(self.set_css)
self.ll.addWidget(self.css_list)
self.label_css.setBuddy(self.css_list)
self.ll_ = QHBoxLayout()
self.l.addLayout(self.ll_)
self.label_args = QLabel(_('A&dditional command-line arguments:'))
self.ll_.addWidget(self.label_args)
self.args = QLineEdit(self)
self.args.setText(prefs['custom_args_list'][prefs['default_CSS']])
self.args.setToolTip(
_('<qt>Specify additional command-line arguments for the conversion</qt>'
))
self.ll_.addWidget(self.args)
self.label_args.setBuddy(self.args)
self.css = QTabWidget()
self.l.addWidget(self.css)
self.css1 = TextEditWithTooltip(self, expected_geometry=(80, 20))
self.css1.setLineWrapMode(TextEditWithTooltip.NoWrap)
self.css1.load_text(
self.replace_templates(
prefs['custom_CSS_list'][prefs['default_CSS']]), 'css')
self.css1.setToolTip(
_('<qt>This stylesheet can be modified<br/>The default can be configured</qt>'
))
i = self.css.addTab(self.css1, _('C&ustom CSS'))
self.css.setTabToolTip(
i,
_('<qt>Custom CSS stylesheet to be used for this conversion</qt>'))
monofont = QFont('')
monofont.setStyleHint(QFont.TypeWriter)
if (self.prince_css):
self.css2 = QPlainTextEdit()
self.css2.setStyleSheet('* { font-family: monospace }')
self.css2.setLineWrapMode(QPlainTextEdit.NoWrap)
self.css2.setPlainText(self.prince_css)
self.css2.setReadOnly(True)
self.css2.setToolTip(
_('<qt>This stylesheet cannot be modified</qt>'))
i = self.css.addTab(self.css2, _('&Book CSS'))
self.css.setTabToolTip(
i,
_('<qt>Book-specific CSS stylesheet included in the ebook file</qt>'
))
self.ll = QHBoxLayout()
self.l.addLayout(self.ll)
if (prefs['show_CSS']):
self.toggle = QPushButton(self.hide_text, self)
else:
self.toggle = QPushButton(self.show_text, self)
self.toggle.setToolTip(
_('<qt>Show/hide the additional styles used for the conversion</qt>'
))
self.toggle.clicked.connect(self.toggle_tabs)
self.convert = QPushButton(_('Con&vert'), self)
self.convert.setToolTip(_('<qt>Run the conversion with Prince</qt>'))
self.convert.setDefault(True)
self.buttons = QDialogButtonBox(QDialogButtonBox.Cancel)
self.buttons.addButton(self.toggle, QDialogButtonBox.ResetRole)
self.buttons.addButton(self.convert, QDialogButtonBox.AcceptRole)
self.l.addWidget(self.buttons)
self.buttons.accepted.connect(self.prince_convert)
self.buttons.rejected.connect(self.reject)
if (not prefs['show_CSS']):
self.css.hide()
self.adjustSize()
def toggle_tabs(self):
'''
Enable/disable the CSS tabs, and store the setting
'''
if (self.css.isVisible()):
self.css.hide()
self.label_args.hide()
self.args.hide()
self.toggle.setText(self.show_text)
self.adjustSize()
else:
self.css.show()
self.label_args.show()
self.args.show()
self.toggle.setText(self.hide_text)
self.adjustSize()
prefs['show_CSS'] = self.css.isVisible()
def set_add_book(self):
'''
Save the status of the add_book checkbox
'''
prefs['add_book'] = self.add_book.isChecked()
def set_css(self):
'''
Fill the custom CSS text box with the selected stylesheet (and command-line arguments)
'''
style = unicode(self.css_list.currentText())
self.css1.load_text(
self.replace_templates(prefs['custom_CSS_list'][style]), 'css')
self.args.setText(prefs['custom_args_list'][style])
prefs['default_CSS'] = style
def parse(self):
'''
Parse the unpacked OPF file to find and read the prince-style file
'''
from calibre.constants import DEBUG
from os.path import dirname, join
from lxml import etree
import codecs
if DEBUG: print(_('Parsing book...'))
opf_dir = dirname(self.opf)
root = etree.parse(self.opf).getroot()
metadata = root.find('{*}metadata')
for meta in metadata.findall("{*}meta[@name='prince-style']"):
prince_id = meta.get('content')
for item in self.oeb.manifest:
if (item.id == prince_id):
self.prince_file = item.href
break
if (self.prince_file):
fl = codecs.open(join(opf_dir, self.prince_file), 'rb', 'utf-8')
self.prince_css = fl.read()
fl.close()
def replace_templates(self, text):
'''
Replace templates (enclosed by '@{@', '@}@') in the input text
'''
import re
import json
from calibre.ebooks.metadata.book.formatter import SafeFormat
from calibre.constants import DEBUG
matches = list(re.finditer('@{@(.+?)@}@', text, re.DOTALL))
results = {}
for match in reversed(matches):
result = SafeFormat().safe_format(match.group(1), self.mi,
('EXCEPTION: '), self.mi)
# Escape quotes, backslashes and newlines
result = re.sub(r'''['"\\]''', r'\\\g<0>', result)
result = re.sub('\n', r'\\A ', result)
results[match.group(1)] = result
text = text[:match.start(0)] + result + text[match.end(0):]
if DEBUG:
print(_('Replacing templates'))
for match in matches:
print(
_('Found: %s (%d-%d)') %
(match.group(1), match.start(0), match.end(0)))
print(_('Replace with: %s') % results[match.group(1)])
return text
def prince_convert(self):
'''
Call the actual Prince command to convert to PDF
'''
from os import makedirs
from os.path import dirname, join, exists
from calibre.ptempfile import PersistentTemporaryFile
from calibre.constants import DEBUG
from shlex import split as shsplit
# All files are relative to the OPF location
opf_dir = dirname(self.opf)
base_dir = dirname(self.pdf_file)
base_dir = join(opf_dir, base_dir)
try:
makedirs(base_dir)
except BaseException:
if not exists(base_dir): raise
# Create a temporary CSS file with the box contents
custom_CSS = PersistentTemporaryFile(mode='w+')
custom_CSS.write(unicode(self.css1.toPlainText()))
custom_CSS.close()
# Create a temporary file with the list of input files
file_list = PersistentTemporaryFile(mode='w+')
for item in self.oeb.spine:
file_list.write(item.href + "\n")
file_list.close()
# Build the command line
command = prefs['prince_exe']
args = ['-v']
if self.prince_file:
args.append('-s')
args.append(self.prince_file)
args.append('-s')
args.append(custom_CSS.name)
args.append('-l')
args.append(file_list.name)
args.append('-o')
args.append(self.pdf_file)
# Additional command-line arguments
args.extend(shsplit(self.args.text()))
# Hide the convert button and show a busy indicator
self.convert.setEnabled(False)
self.progress_bar = QProgressBar()
self.progress_bar.setRange(0, 0)
self.progress_bar.setValue(0)
self.l.addWidget(self.progress_bar)
# Run the command and return the path to the PDF file
if DEBUG: print(_('Converting book...'))
process = QProcess(self)
process.setWorkingDirectory(opf_dir)
process.setProcessChannelMode(QProcess.MergedChannels)
process.error.connect(self.error)
process.finished.connect(self.end)
self.process = process
if DEBUG:
from subprocess import list2cmdline
line = list2cmdline([command] + args)
print(_('Command line: %s') % line)
process.start(command, args)
def error(self, rc):
'''
Show a message when there is an error in the command
:param rc: The error code
'''
from calibre.gui2 import error_dialog
# Remove the progress bar while the error message is displayed
self.progress_bar.hide()
self.progress_bar.deleteLater()
error_dialog(
self,
_('Process error'),
_('<p>Error code: %s'
'<p>make sure Prince (<a href="http://www.princexml.com">www.princexml.com</a>) is installed '
'and the correct command-line-interface executable is set in the configuration of this plugin, '
'which is usually:'
'<ul><li>In Windows: <code><i>Prince_folder</i>\\Engine\\bin\\prince.exe</code>'
' <li>In Linux: <code>prince</code>'
'</ul>') % rc,
show=True)
self.pdf_file = None
self.accept()
def end(self, rc):
'''
Close and return the filename when the process ends
:param rc: The return code (0 if successful)
'''
from os.path import join
self.prince_log = unicode(self.process.readAllStandardOutput().data())
opf_dir = unicode(self.process.workingDirectory())
if (rc == 0):
self.pdf_file = join(opf_dir, self.pdf_file)
else:
self.pdf_file = None
self.accept()
class PanelQWidget(QWidget):
"""
Class who manage Panel with Host and Services QWidgets
"""
def __init__(self, parent=None):
super(PanelQWidget, self).__init__(parent)
self.setAcceptDrops(True)
# Fields
self.tab_widget = QTabWidget()
self.layout = QVBoxLayout()
self.dashboard_widget = DashboardQWidget()
self.synthesis_widget = SynthesisQWidget()
self.problems_widget = ProblemsQWidget()
self.spy_widget = SpyQWidget()
self.hostnames_list = []
def initialize(self):
"""
Create the QWidget with its items and layout.
"""
logger.info('Create Panel View...')
self.setLayout(self.layout)
# Dashboard widget
self.dashboard_widget.initialize()
self.layout.addWidget(self.dashboard_widget)
self.tab_widget.setMovable(True)
self.layout.addWidget(self.tab_widget)
tab_order = self.get_tab_order()
# Set hostnames
self.hostnames_list = data_manager.get_all_hostnames()
# Synthesis
self.synthesis_widget.initialize_synthesis()
self.synthesis_widget.host_widget.spy_btn.clicked.connect(self.spy_host)
self.synthesis_widget.line_search.returnPressed.connect(self.display_host)
self.synthesis_widget.line_search.cursorPositionChanged.connect(self.display_host)
self.synthesis_widget.create_line_search(self.hostnames_list)
self.tab_widget.insertTab(tab_order.index('h'), self.synthesis_widget, _('Host Synthesis'))
self.tab_widget.setTabToolTip(
self.tab_widget.indexOf(self.synthesis_widget), _('See a synthesis view of a host')
)
# Problems
self.problems_widget.initialize(self.spy_widget)
self.problems_widget.host_btn.clicked.connect(self.display_host)
self.problems_widget.problems_table.doubleClicked.connect(self.set_host_from_problems)
self.tab_widget.insertTab(
tab_order.index('p'),
self.problems_widget,
_('Problems (%d)') % len(data_manager.get_problems()['problems'])
)
self.tab_widget.setTabToolTip(
self.tab_widget.indexOf(self.problems_widget), _('See the problems found in backend')
)
# Spied hosts
self.spy_widget.initialize()
self.tab_widget.insertTab(tab_order.index('s'), self.spy_widget, _('Spy Hosts'))
self.tab_widget.setTabToolTip(
self.tab_widget.indexOf(self.spy_widget), _('See spy hosts by Alignak-app')
)
# Hide widget for first display
self.dashboard_widget.show()
self.synthesis_widget.host_widget.hide()
self.synthesis_widget.services_widget.hide()
@staticmethod
def get_tab_order():
"""
Return tab order defined by user, else default order
:return: tab order of App
:rtype: list
"""
default_order = ['p', 'h', 's']
tab_order = settings.get_config('Alignak-app', 'tab_order').split(',')
try:
assert len(tab_order) == len(default_order)
for nb in default_order:
assert nb in tab_order
except AssertionError:
logger.error('Wrong "tab_order" value in config file %s', tab_order)
tab_order = default_order
return tab_order
def spy_host(self):
"""
Spy host who is available in line_search QLineEdit
"""
if self.synthesis_widget.line_search.text() in self.hostnames_list:
# Spy host
self.spy_widget.spy_list_widget.add_spy_host(
self.synthesis_widget.host_widget.host_item.item_id
)
# Update QWidgets
self.synthesis_widget.host_widget.spy_btn.setEnabled(False)
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.spy_widget),
_("Spied Hosts (%d)") % self.spy_widget.spy_list_widget.count()
)
def display_host(self):
"""
Display and update HostQWidget
"""
# Update and set "line_search" in case hosts have been added or deleted
hostnames_list = data_manager.get_all_hostnames()
if hostnames_list != self.hostnames_list:
self.synthesis_widget.create_line_search(hostnames_list)
# If sender is QPushButton from problems, set "line_search" text
if isinstance(self.sender(), QPushButton):
self.set_host_from_problems()
# Display host if exists
if self.synthesis_widget.line_search.text().rstrip() in self.hostnames_list:
# Get Host Item and its services
host = self.get_current_host()
services = data_manager.get_host_services(host.item_id)
if not services:
app_backend.query_services(host.item_id)
services = data_manager.get_host_services(host.item_id)
# Update QWidgets
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.synthesis_widget),
_('Host "%s"') % host.get_display_name()
)
not_spied = bool(
host.item_id not in self.spy_widget.spy_list_widget.spied_hosts
)
self.synthesis_widget.update_synthesis(host, services, not_spied)
self.dashboard_widget.update_dashboard()
else:
self.synthesis_widget.update_synthesis(None, None, True)
self.tab_widget.setTabText(
self.tab_widget.indexOf(self.synthesis_widget),
_('Host Synthesis')
)
def set_host_from_problems(self):
"""
Set line search if ``sender()`` is instance of QPushButton from
:class:`Problems <alignak_app.qobjects.alignak.problems.ProblemsQWidget>` QWidget
"""
item = self.problems_widget.get_current_user_role_item()
if item:
if 'service' in item.item_type:
hostname = data_manager.get_item('host', item.data['host']).name
else:
hostname = item.name
if hostname in self.hostnames_list:
self.synthesis_widget.line_search.setText(hostname)
self.tab_widget.setCurrentIndex(self.tab_widget.indexOf(self.synthesis_widget))
def get_current_host(self):
"""
Return current Host item with name in QLineEdit
:return: current host
:rtype: alignak_app.items.host.Host
"""
current_host = data_manager.get_item(
'host',
self.synthesis_widget.line_search.text().rstrip()
)
return current_host
def dragMoveEvent(self, event): # pragma: no cover
"""
Override dragMoveEvent.
Only accept EventItem() objects who have ``Qt.UserRole``
:param event: event triggered when something move
"""
if event.source().currentItem().data(Qt.UserRole):
event.accept()
else:
event.ignore()
def dropEvent(self, event): # pragma: no cover
"""
Override dropEvent.
Get dropped item data, create a new one, and delete the one who is in EventsQWidget
:param event: event triggered when something is dropped
"""
host = data_manager.get_item('host', '_id', event.source().currentItem().data(Qt.UserRole))
logger.debug('Drag and drop host in Panel: %s', host.name)
logger.debug('... with current item: %s', event.source().currentItem())
self.synthesis_widget.line_search.setText(host.name)
self.tab_widget.setCurrentIndex(self.tab_widget.indexOf(self.synthesis_widget))
self.display_host()
def dragEnterEvent(self, event):
"""
Override dragEnterEvent.
:param event: event triggered when something enter
"""
event.accept()
event.acceptProposedAction()
