Python main.CONF类代码示例

    def long_banner(self):
        """Banner for IPython widgets with pylab message"""
        from IPython.core.usage import default_gui_banner
        banner = default_gui_banner
        
        pylab_o = CONF.get('ipython_console', 'pylab', True)
        autoload_pylab_o = CONF.get('ipython_console', 'pylab/autoload', True)
        mpl_installed = programs.is_module_installed('matplotlib')
        if mpl_installed and (pylab_o and autoload_pylab_o):
            pylab_message = ("\nPopulating the interactive namespace from "
                             "numpy and matplotlib")
            banner = banner + pylab_message
        
        sympy_o = CONF.get('ipython_console', 'symbolic_math', True)
        if sympy_o:
            lines = """
These commands were executed:
>>> from __future__ import division
>>> from sympy import *
>>> x, y, z, t = symbols('x y z t')
>>> k, m, n = symbols('k m n', integer=True)
>>> f, g, h = symbols('f g h', cls=Function)
"""
            banner = banner + lines
        return banner

 def set_option(self, option, value):
     """
     Set a plugin option in configuration file
     Use a SIGNAL to call it, e.g.:
     plugin.sig_option_changed.emit('show_all', checked)
     """
     CONF.set(self.CONF_SECTION, str(option), value)

def get_font(section='main', option='font', font_size_delta=0):
    """Get console font properties depending on OS and user options"""
    font = FONT_CACHE.get((section, option))

    if font is None:
        families = CONF.get(section, option+"/family", None)

        if families is None:
            return QFont()

        family = get_family(families)
        weight = QFont.Normal
        italic = CONF.get(section, option+'/italic', False)

        if CONF.get(section, option+'/bold', False):
            weight = QFont.Bold

        size = CONF.get(section, option+'/size', 9) + font_size_delta
        font = QFont(family, size, weight)
        font.setItalic(italic)
        FONT_CACHE[(section, option)] = font

    size = CONF.get(section, option+'/size', 9) + font_size_delta
    font.setPointSize(size)
    return font

 def update_margins(self):
     layout = self.layout()
     if self.default_margins is None:
         self.default_margins = layout.getContentsMargins()
     if CONF.get('main', 'use_custom_margin'):
         margin = CONF.get('main', 'custom_margin')
         layout.setContentsMargins(*[margin]*4)
     else:
         layout.setContentsMargins(*self.default_margins)

def _get_run_configurations():
    history_count = CONF.get("run", "history", 20)
    try:
        return [
            (filename, options) for filename, options in CONF.get("run", "configurations", []) if osp.isfile(filename)
        ][:history_count]
    except ValueError:
        CONF.set("run", "configurations", [])
        return []

    def __init__(self, parent=None):
        QDialog.__init__(self, parent)

        self.main = parent

        # Widgets
        self.pages_widget = QStackedWidget()
        self.contents_widget = QListWidget()
        self.button_reset = QPushButton(_('Reset to defaults'))

        bbox = QDialogButtonBox(QDialogButtonBox.Ok | QDialogButtonBox.Apply |
                                QDialogButtonBox.Cancel)
        self.apply_btn = bbox.button(QDialogButtonBox.Apply)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle(_('Preferences'))
        self.setWindowIcon(ima.icon('configure'))
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.button_reset)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        self.button_reset.clicked.connect(self.main.reset_spyder)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
                                             self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        bbox.clicked.connect(self.button_clicked)

        # Ensures that the config is present on spyder first run
        CONF.set('main', 'interface_language', load_lang_conf())

 def external_editor(self, filename, goto=-1):
     """Edit in an external editor
     Recommended: SciTE (e.g. to go to line where an error did occur)"""
     editor_path = CONF.get("internal_console", "external_editor/path")
     goto_option = CONF.get("internal_console", "external_editor/gotoline")
     try:
         if goto > 0 and goto_option:
             Popen(r'%s "%s" %s%d' % (editor_path, filename, goto_option, goto))
         else:
             Popen(r'%s "%s"' % (editor_path, filename))
     except OSError:
         self.write_error("External editor was not found:" " %s\n" % editor_path)

 def external_editor(self, filename, goto=-1):
     """Edit in an external editor
     Recommended: SciTE (e.g. to go to line where an error did occur)"""
     editor_path = CONF.get('internal_console', 'external_editor/path')
     goto_option = CONF.get('internal_console', 'external_editor/gotoline')
     try:
         args = [filename]
         if goto > 0 and goto_option:
             args.append('%s%d'.format(goto_option, goto))
         programs.run_program(editor_path, args)
     except OSError:
         self.write_error("External editor was not found:"
                          " %s\n" % editor_path)

def set_font(font, section='main', option='font'):
    """Set font"""
    CONF.set(section, option+'/family', to_text_string(font.family()))
    CONF.set(section, option+'/size', float(font.pointSize()))
    CONF.set(section, option+'/italic', int(font.italic()))
    CONF.set(section, option+'/bold', int(font.bold()))
    FONT_CACHE[(section, option)] = font

def test():
    from spyderlib.utils.qthelpers import qapplication

    app = qapplication()

    from spyderlib.plugins.variableexplorer import VariableExplorer

    settings = VariableExplorer.get_settings()

    shell = ExternalPythonShell(
        pythonexecutable=sys.executable,
        interact=True,
        stand_alone=settings,
        wdir=osp.dirname(__file__),
        mpl_backend=0,
        light_background=False,
    )

    from spyderlib.qt.QtGui import QFont
    from spyderlib.config.main import CONF

    font = QFont(CONF.get("console", "font/family")[0])
    font.setPointSize(10)
    shell.shell.set_font(font)

    shell.shell.toggle_wrap_mode(True)
    shell.start_shell(False)
    shell.show()
    sys.exit(app.exec_())

def send_args_to_spyder(args):
    """
    Simple socket client used to send the args passed to the Spyder 
    executable to an already running instance.

    Args can be Python scripts or files with these extensions: .spydata, .mat,
    .npy, or .h5, which can be imported by the Variable Explorer.
    """
    port = CONF.get('main', 'open_files_port')

    # Wait ~50 secs for the server to be up
    # Taken from http://stackoverflow.com/a/4766598/438386
    for _x in range(200):
        try:
            for arg in args:
                client = socket.socket(socket.AF_INET, socket.SOCK_STREAM,
                                       socket.IPPROTO_TCP)
                client.connect(("127.0.0.1", port))
                if is_unicode(arg):
                    arg = arg.encode('utf-8')
                client.send(osp.abspath(arg))
                client.close()
        except socket.error:
            time.sleep(0.25)
            continue
        break

    def __init__(self, main=None, **kwds):
        """Bind widget to a QMainWindow instance"""
        super(SpyderPluginMixin, self).__init__(**kwds)
        assert self.CONF_SECTION is not None
        self.PLUGIN_PATH = os.path.dirname(inspect.getfile(self.__class__))
        self.main = main
        self.default_margins = None
        self.plugin_actions = None
        self.dockwidget = None
        self.mainwindow = None
        self.ismaximized = False
        self.isvisible = False

        # NOTE: Don't use the default option of CONF.get to assign a
        # None shortcut to plugins that don't have one. That will mess
        # the creation of our Keyboard Shortcuts prefs page
        try:
            self.shortcut = CONF.get('shortcuts', '_/switch to %s' % \
                                     self.CONF_SECTION)
        except configparser.NoOptionError:
            self.shortcut = None

        # We decided to create our own toggle action instead of using
        # the one that comes with dockwidget because it's not possible
        # to raise and focus the plugin with it.
        self.toggle_view_action = None 

 def __init__(self, fname=None):
     self.args = None
     self.args_enabled = None
     self.wdir = None
     self.wdir_enabled = None
     self.current = None
     self.systerm = None
     self.interact = None
     self.show_kill_warning = None
     self.post_mortem = None
     self.python_args = None
     self.python_args_enabled = None
     self.set(CONF.get("run", "defaultconfiguration", default={}))
     if fname is not None and CONF.get("run", WDIR_USE_SCRIPT_DIR_OPTION, True):
         self.wdir = osp.dirname(fname)
         self.wdir_enabled = True

    def setup_page(self):
        settings_group = QGroupBox(_("Settings"))
        hist_spin = self.create_spinbox(
                            _("History depth: "), _(" entries"),
                            'max_entries', min_=10, max_=10000, step=10,
                            tip=_("Set maximum line count"))

        sourcecode_group = QGroupBox(_("Source code"))
        wrap_mode_box = self.create_checkbox(_("Wrap lines"), 'wrap')
        go_to_eof_box = self.create_checkbox(
                        _("Scroll automatically to last entry"), 'go_to_eof')
        font_group = self.create_fontgroup(option=None,
                                    text=_("Font style"),
                                    fontfilters=QFontComboBox.MonospacedFonts)
        names = CONF.get('color_schemes', 'names')
        choices = list(zip(names, names))
        cs_combo = self.create_combobox(_("Syntax color scheme: "),
                                        choices, 'color_scheme_name')

        settings_layout = QVBoxLayout()
        settings_layout.addWidget(hist_spin)
        settings_group.setLayout(settings_layout)

        sourcecode_layout = QVBoxLayout()
        sourcecode_layout.addWidget(wrap_mode_box)
        sourcecode_layout.addWidget(go_to_eof_box)
        sourcecode_layout.addWidget(cs_combo)
        sourcecode_group.setLayout(sourcecode_layout)
        
        vlayout = QVBoxLayout()
        vlayout.addWidget(font_group)
        vlayout.addWidget(settings_group)
        vlayout.addWidget(sourcecode_group)
        vlayout.addStretch(1)
        self.setLayout(vlayout)

    def __init__(self, parent, history_filename, profile=False):
        """
        parent : specifies the parent widget
        """
        ConsoleBaseWidget.__init__(self, parent)
        SaveHistoryMixin.__init__(self)
                
        # Prompt position: tuple (line, index)
        self.current_prompt_pos = None
        self.new_input_line = True
        
        # History
        self.histidx = None
        self.hist_wholeline = False
        assert is_text_string(history_filename)
        self.history_filename = history_filename
        self.history = self.load_history()
        
        # Session
        self.historylog_filename = CONF.get('main', 'historylog_filename',
                                            get_conf_path('history.log'))
        
        # Context menu
        self.menu = None
        self.setup_context_menu()

        # Simple profiling test
        self.profile = profile
        
        # Buffer to increase performance of write/flush operations
        self.__buffer = []
        self.__timestamp = 0.0
        self.__flushtimer = QTimer(self)
        self.__flushtimer.setSingleShot(True)
        self.__flushtimer.timeout.connect(self.flush)

        # Give focus to widget
        self.setFocus()
        
        # Completion
        completion_size = CONF.get('shell_appearance', 'completion/size')
        completion_font = get_font('console')
        self.completion_widget.setup_appearance(completion_size,
                                                completion_font)
        # Cursor width
        self.setCursorWidth( CONF.get('shell_appearance', 'cursor/width') )