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def setup_gui(self): """Setup the main layout of the widget.""" layout = QGridLayout(self) layout.setContentsMargins(0, 0, 0, 0) layout.addWidget(self.canvas, 0, 1) layout.addLayout(self.setup_toolbar(), 0, 3, 2, 1) layout.setColumnStretch(0, 100) layout.setColum...
def setup_toolbar(self): """Setup the toolbar.""" self.savefig_btn = create_toolbutton( self, icon=ima.icon('filesave'), tip=_("Save Image As..."), triggered=self.emit_save_figure) self.delfig_btn = create_toolbutton( self, icon=ima.icon('editclear...
def highlight_canvas(self, highlight): """ Set a colored frame around the FigureCanvas if highlight is True. """ colorname = self.canvas.palette().highlight().color().name() if highlight: self.canvas.setStyleSheet( "FigureCanvas{border: 1px solid %...
def eventFilter(self, widget, event): """ A filter that is used to send a signal when the figure canvas is clicked. """ if event.type() == QEvent.MouseButtonPress: if event.button() == Qt.LeftButton: self.sig_canvas_clicked.emit(self) return su...
def emit_save_figure(self): """ Emit a signal when the toolbutton to save the figure is clicked. """ self.sig_save_figure.emit(self.canvas.fig, self.canvas.fmt)
def context_menu_requested(self, event): """Popup context menu.""" if self.fig: pos = QPoint(event.x(), event.y()) context_menu = QMenu(self) context_menu.addAction(ima.icon('editcopy'), "Copy Image", self.copy_figure, ...
def copy_figure(self): """Copy figure to clipboard.""" if self.fmt in ['image/png', 'image/jpeg']: qpixmap = QPixmap() qpixmap.loadFromData(self.fig, self.fmt.upper()) QApplication.clipboard().setImage(qpixmap.toImage()) elif self.fmt == 'image/svg+xml': ...
def blink_figure(self): """Blink figure once.""" if self.fig: self._blink_flag = not self._blink_flag self.repaint() if self._blink_flag: timer = QTimer() timer.singleShot(40, self.blink_figure)
def clear_canvas(self): """Clear the figure that was painted on the widget.""" self.fig = None self.fmt = None self._qpix_buffer = [] self.repaint()
def load_figure(self, fig, fmt): """ Load the figure from a png, jpg, or svg image, convert it in a QPixmap, and force a repaint of the widget. """ self.fig = fig self.fmt = fmt if fmt in ['image/png', 'image/jpeg']: self._qpix_orig = QPixmap() ...
def paintEvent(self, event): """Qt method override to paint a custom image on the Widget.""" super(FigureCanvas, self).paintEvent(event) # Prepare the rect on which the image is going to be painted : fw = self.frameWidth() rect = QRect(0 + fw, 0 + fw, self.si...
def python_executable_changed(self, pyexec): """Custom Python executable value has been changed""" if not self.cus_exec_radio.isChecked(): return False def_pyexec = get_python_executable() if not is_text_string(pyexec): pyexec = to_text_string(pyexec.toUtf8(...
def set_umr_namelist(self): """Set UMR excluded modules name list""" arguments, valid = QInputDialog.getText(self, _('UMR'), _("Set the list of excluded modules as " "this: <i>numpy, scipy</i>"), ...
def set_custom_interpreters_list(self, value): """Update the list of interpreters used and the current one.""" custom_list = self.get_option('custom_interpreters_list') if value not in custom_list and value != get_python_executable(): custom_list.append(value) self.s...
def validate_custom_interpreters_list(self): """Check that the used custom interpreters are still valid.""" custom_list = self.get_option('custom_interpreters_list') valid_custom_list = [] for value in custom_list: if (osp.isfile(value) and programs.is_python_interpreter...
def on_install(self, editor): """ Extends :meth:`spyder.api.EditorExtension.on_install` method to set the editor instance as the parent widget. .. warning:: Don't forget to call **super** if you override this method! :param editor: editor instance :type edit...
def paintEvent(self, event): """Fills the panel background using QPalette.""" if self.isVisible() and self.position != self.Position.FLOATING: # fill background self._background_brush = QBrush(QColor( self.editor.sideareas_color)) self._foreground_pen ...
def setVisible(self, visible): """ Shows/Hides the panel. Automatically call PanelsManager.refresh_panels. :param visible: Visible state """ logger.debug('%s visibility changed', self.name) super(Panel, self).setVisible(visible) if self.editor: ...
def set_geometry(self, crect): """Set geometry for floating panels. Normally you don't need to override this method, you should override `geometry` instead. """ x0, y0, width, height = self.geometry() if width is None: width = crect.width() if height...
def openssh_tunnel(self, lport, rport, server, remoteip='127.0.0.1', keyfile=None, password=None, timeout=0.4): """ We decided to replace pyzmq's openssh_tunnel method to work around issue https://github.com/zeromq/pyzmq/issues/589 which was solved in pyzmq https://github.com/zeromq/p...
def configure_namespacebrowser(self): """Configure associated namespace browser widget""" # Update namespace view self.sig_namespace_view.connect(lambda data: self.namespacebrowser.process_remote_view(data)) # Update properties of variables self.sig_var_properties.co...
def set_namespace_view_settings(self): """Set the namespace view settings""" if self.namespacebrowser: settings = to_text_string( self.namespacebrowser.get_view_settings()) code =(u"get_ipython().kernel.namespace_view_settings = %s" % settings) ...
def get_value(self, name): """Ask kernel for a value""" code = u"get_ipython().kernel.get_value('%s')" % name if self._reading: method = self.kernel_client.input code = u'!' + code else: method = self.silent_execute # Wait until the kernel ret...
def set_value(self, name, value): """Set value for a variable""" value = to_text_string(value) code = u"get_ipython().kernel.set_value('%s', %s, %s)" % (name, value, PY2) if self._reading: self.kernel_client.i...
def remove_value(self, name): """Remove a variable""" code = u"get_ipython().kernel.remove_value('%s')" % name if self._reading: self.kernel_client.input(u'!' + code) else: self.silent_execute(code)
def copy_value(self, orig_name, new_name): """Copy a variable""" code = u"get_ipython().kernel.copy_value('%s', '%s')" % (orig_name, new_name) if self._reading: self.kernel_client.input(u'!' + code) else: ...
def _handle_spyder_msg(self, msg): """ Handle internal spyder messages """ spyder_msg_type = msg['content'].get('spyder_msg_type') if spyder_msg_type == 'data': # Deserialize data try: if PY2: value = cloudpickle.loads(m...
def _handle_execute_reply(self, msg): """ Reimplemented to handle communications between Spyder and the kernel """ msg_id = msg['parent_header']['msg_id'] info = self._request_info['execute'].get(msg_id) # unset reading flag, because if execute finished, raw_input...
def _handle_status(self, msg): """ Reimplemented to refresh the namespacebrowser after kernel restarts """ state = msg['content'].get('execution_state', '') msg_type = msg['parent_header'].get('msg_type', '') if state == 'starting': # This is needed to...
def closeEvent(self, event): """Reimplement Qt method.""" self.plugin.dockwidget.setWidget(self.plugin) self.plugin.dockwidget.setVisible(True) self.plugin.switch_to_plugin() QMainWindow.closeEvent(self, event) self.plugin.undocked_window = None
def initialize_plugin_in_mainwindow_layout(self): """ If this is the first time the plugin is shown, perform actions to initialize plugin position in Spyder's window layout. Use on_first_registration to define the actions to be run by your plugin """ if self.get_...
def update_margins(self): """Update plugin margins""" 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...
def update_plugin_title(self): """Update plugin title, i.e. dockwidget or window title""" if self.dockwidget is not None: win = self.dockwidget elif self.undocked_window is not None: win = self.undocked_window else: return win.setWindowTitle(se...
def create_dockwidget(self): """Add to parent QMainWindow as a dock widget""" # Creating dock widget dock = SpyderDockWidget(self.get_plugin_title(), self.main) # Set properties dock.setObjectName(self.__class__.__name__+"_dw") dock.setAllowedAreas(self.ALLOWED_AREAS) ...
def create_configwidget(self, parent): """Create configuration dialog box page widget""" if self.CONFIGWIDGET_CLASS is not None: configwidget = self.CONFIGWIDGET_CLASS(self, parent) configwidget.initialize() return configwidget
def get_plugin_font(self, rich_text=False): """ Return plugin font option. All plugins in Spyder use a global font. This is a convenience method in case some plugins will have a delta size based on the default size. """ if rich_text: option = 'rich_font' ...
def show_message(self, message, timeout=0): """Show message in main window's status bar""" self.main.statusBar().showMessage(message, timeout)
def create_toggle_view_action(self): """Associate a toggle view action with each plugin""" title = self.get_plugin_title() if self.CONF_SECTION == 'editor': title = _('Editor') if self.shortcut is not None: action = create_action(self, title, ...
def toggle_view(self, checked): """Toggle view""" if not self.dockwidget: return if checked: self.dockwidget.show() self.dockwidget.raise_() else: self.dockwidget.hide()
def close_window(self): """Close QMainWindow instance that contains this plugin.""" if self.undocked_window is not None: self.undocked_window.close() self.undocked_window = None # Oddly, these actions can appear disabled after the Dock # action is pressed...
def create_window(self): """Create a QMainWindow instance containing this plugin.""" self.undocked_window = window = PluginWindow(self) window.setAttribute(Qt.WA_DeleteOnClose) icon = self.get_plugin_icon() if is_text_string(icon): icon = self.get_icon(icon) w...
def on_top_level_changed(self, top_level): """Actions to perform when a plugin is undocked to be moved.""" if top_level: self.undock_action.setDisabled(True) else: self.undock_action.setDisabled(False)
def cut(self): """Cut text""" self.truncate_selection(self.header_end_pos) if self.has_selected_text(): CodeEditor.cut(self)
def keyPressEvent(self, event): """Reimplemented Qt Method to avoid removing the header.""" event, text, key, ctrl, shift = restore_keyevent(event) cursor_position = self.get_position('cursor') if cursor_position < self.header_end_pos: self.restrict_cursor_position(self.head...
def _submit_to_github(self): """Action to take when pressing the submit button.""" # Get reference to the main window if self.parent() is not None: if getattr(self.parent(), 'main', False): # This covers the case when the dialog is attached # to the in...
def _show_details(self): """Show traceback on its own dialog""" if self.details.isVisible(): self.details.hide() self.details_btn.setText(_('Show details')) else: self.resize(570, 700) self.details.document().setPlainText('') self.detai...
def _contents_changed(self): """Activate submit_btn.""" desc_chars = (len(self.input_description.toPlainText()) - self.initial_chars) if desc_chars < DESC_MIN_CHARS: self.desc_chars_label.setText( u"{} {}".format(DESC_MIN_CHARS - desc_chars, ...
def unmatched_brackets_in_line(self, text, closing_brackets_type=None): """ Checks if there is an unmatched brackets in the 'text'. The brackets type can be general or specified by closing_brackets_type (')', ']' or '}') """ if closing_brackets_type is None: ...
def _autoinsert_brackets(self, key): """Control automatic insertation of brackets in various situations.""" char = self.BRACKETS_CHAR[key] pair = self.BRACKETS_PAIR[key] line_text = self.editor.get_text('sol', 'eol') line_to_cursor = self.editor.get_text('sol', 'cursor') ...
def build_montages(image_list, image_shape, montage_shape): """ --------------------------------------------------------------------------------------------- author: Kyle Hounslow --------------------------------------------------------------------------------------------- Converts a list of single ...
def adjust_brightness_contrast(image, brightness=0., contrast=0.): """ Adjust the brightness and/or contrast of an image :param image: OpenCV BGR image :param contrast: Float, contrast adjustment with 0 meaning no change :param brightness: Float, brightness adjustment with 0 meaning no change "...
def put_text(img, text, org, font_face, font_scale, color, thickness=1, line_type=8, bottom_left_origin=False): """Utility for drawing text with line breaks :param img: Image. :param text: Text string to be drawn. :param org: Bottom-left corner of the first line of the text string in the image. :pa...
def put_centered_text(img, text, font_face, font_scale, color, thickness=1, line_type=8): """Utility for drawing vertically & horizontally centered text with line breaks :param img: Image. :param text: Text string to be drawn. :param font_face: Font type. One of FONT_HERSHEY_SIMPLEX, FONT_HERSHEY_PLAIN...
def corners_to_keypoints(corners): """function to take the corners from cv2.GoodFeaturesToTrack and return cv2.KeyPoints""" if corners is None: keypoints = [] else: keypoints = [cv2.KeyPoint(kp[0][0], kp[0][1], 1) for kp in corners] return keypoints
def path_to_url(path): """ Convert a path to a file: URL. The path will be made absolute and have quoted path parts. """ path = os.path.normpath(os.path.abspath(path)) url = urlparse.urljoin("file:", urllib2.pathname2url(path)) return url
def is_installable_dir(path): """Return True if `path` is a directory containing a setup.py file.""" if not os.path.isdir(path): return False setup_py = os.path.join(path, "setup.py") if os.path.isfile(setup_py): return True return False
def setting(self, setting_name, default=None): # type: (str) -> Any """ Retrieve a setting value. """ keys = setting_name.split(".") config = self._content for key in keys: if key not in config: return default config = config[key...
def get_requires_for_build_wheel(config_settings=None): """ Returns a list of requirements for building, as strings """ poetry = Poetry.create(".") main, _ = SdistBuilder.convert_dependencies(poetry.package, poetry.package.requires) return main
def build_wheel(wheel_directory, config_settings=None, metadata_directory=None): """Builds a wheel, places it in wheel_directory""" poetry = Poetry.create(".") return unicode( WheelBuilder.make_in( poetry, SystemEnv(Path(sys.prefix)), NullIO(), Path(wheel_directory) ) )
def build_sdist(sdist_directory, config_settings=None): """Builds an sdist, places it in sdist_directory""" poetry = Poetry.create(".") path = SdistBuilder(poetry, SystemEnv(Path(sys.prefix)), NullIO()).build( Path(sdist_directory) ) return unicode(path.name)
def external_incompatibilities(self): # type: () -> Generator[Incompatibility] """ Returns all external incompatibilities in this incompatibility's derivation graph. """ if isinstance(self._cause, ConflictCause): cause = self._cause # type: ConflictCause ...
def decide(self, package): # type: (Package) -> None """ Adds an assignment of package as a decision and increments the decision level. """ # When we make a new decision after backtracking, count an additional # attempted solution. If we backtrack multiple times in a row...
def derive( self, dependency, is_positive, cause ): # type: (Dependency, bool, Incompatibility) -> None """ Adds an assignment of package as a derivation. """ self._assign( Assignment.derivation( dependency, is_positive, ...
def _assign(self, assignment): # type: (Assignment) -> None """ Adds an Assignment to _assignments and _positive or _negative. """ self._assignments.append(assignment) self._register(assignment)
def backtrack(self, decision_level): # type: (int) -> None """ Resets the current decision level to decision_level, and removes all assignments made after that level. """ self._backtracking = True packages = set() while self._assignments[-1].decision_level > dec...
def _register(self, assignment): # type: (Assignment) -> None """ Registers an Assignment in _positive or _negative. """ name = assignment.dependency.name old_positive = self._positive.get(name) if old_positive is not None: self._positive[name] = old_positive...
def satisfier(self, term): # type: (Term) -> Assignment """ Returns the first Assignment in this solution such that the sublist of assignments up to and including that entry collectively satisfies term. """ assigned_term = None # type: Term for assignment in self._assi...
def check(cls, config, strict=False): # type: (dict, bool) -> Dict[str, List[str]] """ Checks the validity of a configuration """ result = {"errors": [], "warnings": []} # Schema validation errors validation_errors = validate_object(config, "poetry-schema") resu...
def find_packages(self, include): """ Discover subpackages and data. It also retrieves necessary files. """ pkgdir = None if include.source is not None: pkgdir = str(include.base) base = str(include.elements[0].parent) pkg_name = include.pac...
def clean_tarinfo(cls, tar_info): """ Clean metadata from a TarInfo object to make it more reproducible. - Set uid & gid to 0 - Set uname and gname to "" - Normalise permissions to 644 or 755 - Set mtime if not None """ ti = copy(tar_info)...
def get(cls): # type: () -> Shell """ Retrieve the current shell. """ if cls._shell is not None: return cls._shell try: name, path = detect_shell(os.getpid()) except (RuntimeError, ShellDetectionFailure): raise RuntimeError("Unable to...
def search_for(self, dependency): # type: (Dependency) -> List[Package] """ Search for the specifications that match the given dependency. The specifications in the returned list will be considered in reverse order, so the latest version ought to be last. """ if depende...
def search_for_vcs(self, dependency): # type: (VCSDependency) -> List[Package] """ Search for the specifications that match the given VCS dependency. Basically, we clone the repository in a temporary directory and get the information we need by checking out the specified reference. ...
def incompatibilities_for( self, package ): # type: (DependencyPackage) -> List[Incompatibility] """ Returns incompatibilities that encapsulate a given package's dependencies, or that it can't be safely selected. If multiple subsequent versions of this package have the same...
def solve(self): # type: () -> SolverResult """ Finds a set of dependencies that match the root package's constraints, or raises an error if no such set is available. """ start = time.time() root_dependency = Dependency(self._root.name, self._root.version) root_d...
def _propagate(self, package): # type: (str) -> None """ Performs unit propagation on incompatibilities transitively related to package to derive new assignments for _solution. """ changed = set() changed.add(package) while changed: package = changed...
def _propagate_incompatibility( self, incompatibility ): # type: (Incompatibility) -> Union[str, _conflict, None] """ If incompatibility is almost satisfied by _solution, adds the negation of the unsatisfied term to _solution. If incompatibility is satisfied by _solution, r...
def _resolve_conflict( self, incompatibility ): # type: (Incompatibility) -> Incompatibility """ Given an incompatibility that's satisfied by _solution, The `conflict resolution`_ constructs a new incompatibility that encapsulates the root cause of the conflict and backtrack...
def _choose_package_version(self): # type: () -> Union[str, None] """ Tries to select a version of a required package. Returns the name of the package whose incompatibilities should be propagated by _propagate(), or None indicating that version solving is complete and a solutio...
def _result(self): # type: () -> SolverResult """ Creates a #SolverResult from the decisions in _solution """ decisions = self._solution.decisions return SolverResult( self._root, [p for p in decisions if not p.is_root()], self._solution.atte...
def run(self, bin, *args, **kwargs): """ Run a command inside the Python environment. """ bin = self._bin(bin) cmd = [bin] + list(args) shell = kwargs.get("shell", False) call = kwargs.pop("call", False) input_ = kwargs.pop("input_", None) if she...
def _bin(self, bin): # type: (str) -> str """ Return path to the given executable. """ bin_path = (self._bin_dir / bin).with_suffix(".exe" if self._is_windows else "") if not bin_path.exists(): return bin return str(bin_path)
def format_python_constraint(constraint): """ This helper will help in transforming disjunctive constraint into proper constraint. """ if isinstance(constraint, Version): if constraint.precision >= 3: return "=={}".format(str(constraint)) # Transform 3.6 or 3 if ...
def get_abbr_impl(env): """Return abbreviated implementation name.""" impl = env.python_implementation if impl == "PyPy": return "pp" elif impl == "Jython": return "jy" elif impl == "IronPython": return "ip" elif impl == "CPython": return "cp" raise LookupEr...
def get_impl_ver(env): """Return implementation version.""" impl_ver = env.config_var("py_version_nodot") if not impl_ver or get_abbr_impl(env) == "pp": impl_ver = "".join(map(str, get_impl_version_info(env))) return impl_ver
def get_flag(env, var, fallback, expected=True, warn=True): """Use a fallback method for determining SOABI flags if the needed config var is unset or unavailable.""" val = env.config_var(var) if val is None: if warn: warnings.warn( "Config variable '{0}' is unset, Pyt...
def accepts(self, package): # type: (poetry.packages.Package) -> bool """ Determines if the given package matches this dependency. """ return ( self._name == package.name and self._constraint.allows(package.version) and (not package.is_prerelease() or...
def deactivate(self): """ Set the dependency as optional. """ if not self._optional: self._optional = True self._activated = False
def install(self, version, upgrade=False): """ Installs Poetry in $POETRY_HOME. """ print("Installing version: " + colorize("info", version)) self.make_lib(version) self.make_bin() self.make_env() self.update_path() return 0
def make_lib(self, version): """ Packs everything into a single lib/ directory. """ if os.path.exists(POETRY_LIB_BACKUP): shutil.rmtree(POETRY_LIB_BACKUP) # Backup the current installation if os.path.exists(POETRY_LIB): shutil.copytree(POETRY_LIB,...
def update_path(self): """ Tries to update the $PATH automatically. """ if WINDOWS: return self.add_to_windows_path() # Updating any profile we can on UNIX systems export_string = self.get_export_string() addition = "\n{}\n".format(export_string) ...
def satisfies(self, other): # type: (Term) -> bool """ Returns whether this term satisfies another. """ return ( self.dependency.name == other.dependency.name and self.relation(other) == SetRelation.SUBSET )
def relation(self, other): # type: (Term) -> int """ Returns the relationship between the package versions allowed by this term and another. """ if self.dependency.name != other.dependency.name: raise ValueError( "{} should refer to {}".format(other, ...
def intersect(self, other): # type: (Term) -> Union[Term, None] """ Returns a Term that represents the packages allowed by both this term and another """ if self.dependency.name != other.dependency.name: raise ValueError( "{} should refer to {}".forma...
def find_files_to_add(self, exclude_build=True): # type: (bool) -> list """ Finds all files to add to the tarball """ to_add = [] for include in self._module.includes: for file in include.elements: if "__pycache__" in str(file): c...
def parse( version, strict=False # type: str # type: bool ): # type:(...) -> Union[Version, LegacyVersion] """ Parse the given version string and return either a :class:`Version` object or a LegacyVersion object depending on if the given version is a valid PEP 440 version or a legacy version. ...
def is_fresh(self): # type: () -> bool """ Checks whether the lock file is still up to date with the current hash. """ lock = self._lock.read() metadata = lock.get("metadata", {}) if "content-hash" in metadata: return self._content_hash == lock["metadata"]["...
def locked_repository( self, with_dev_reqs=False ): # type: (bool) -> poetry.repositories.Repository """ Searches and returns a repository of locked packages. """ if not self.is_locked(): return poetry.repositories.Repository() lock_data = self.lock_data...
def _get_content_hash(self): # type: () -> str """ Returns the sha256 hash of the sorted content of the pyproject file. """ content = self._local_config relevant_content = {} for key in self._relevant_keys: relevant_content[key] = content.get(key) c...
def load(cls, env): # type: (Env) -> InstalledRepository """ Load installed packages. For now, it uses the pip "freeze" command. """ repo = cls() freeze_output = env.run("pip", "freeze") for line in freeze_output.split("\n"): if "==" in line: ...