| 1 | # -*- coding: utf-8 -*- |
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| 2 | """ |
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| 3 | Global defaults and various utility functions usable by the general GUI |
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| 4 | """ |
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| 5 | |
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| 6 | import os |
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| 7 | import re |
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| 8 | import sys |
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| 9 | import imp |
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| 10 | import warnings |
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| 11 | import webbrowser |
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| 12 | import urllib.parse |
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| 13 | |
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| 14 | import numpy as np |
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| 15 | |
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| 16 | warnings.simplefilter("ignore") |
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| 17 | import logging |
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| 18 | |
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| 19 | from PyQt5 import QtCore |
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| 20 | from PyQt5 import QtGui |
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| 21 | from PyQt5 import QtWidgets |
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| 22 | |
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| 23 | from periodictable import formula as Formula |
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| 24 | from sas.qtgui.Plotting import DataTransform |
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| 25 | from sas.qtgui.Plotting.ConvertUnits import convertUnit |
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| 26 | from sas.qtgui.Plotting.PlotterData import Data1D |
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| 27 | from sas.qtgui.Plotting.PlotterData import Data2D |
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| 28 | from sas.sascalc.dataloader.loader import Loader |
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| 29 | from sas.qtgui.Utilities import CustomDir |
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| 30 | |
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| 31 | ## TODO: CHANGE FOR SHIPPED PATH IN RELEASE |
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| 32 | if os.path.splitext(sys.argv[0])[1].lower() != ".py": |
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| 33 | HELP_DIRECTORY_LOCATION = "doc" |
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| 34 | else: |
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| 35 | HELP_DIRECTORY_LOCATION = "docs/sphinx-docs/build/html" |
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| 36 | IMAGES_DIRECTORY_LOCATION = HELP_DIRECTORY_LOCATION + "/_images" |
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| 37 | |
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| 38 | def get_app_dir(): |
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| 39 | """ |
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| 40 | The application directory is the one where the default custom_config.py |
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| 41 | file resides. |
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| 42 | |
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| 43 | :returns: app_path - the path to the applicatin directory |
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| 44 | """ |
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| 45 | # First, try the directory of the executable we are running |
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| 46 | app_path = sys.path[0] |
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| 47 | if os.path.isfile(app_path): |
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| 48 | app_path = os.path.dirname(app_path) |
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| 49 | if os.path.isfile(os.path.join(app_path, "custom_config.py")): |
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| 50 | app_path = os.path.abspath(app_path) |
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| 51 | #logging.info("Using application path: %s", app_path) |
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| 52 | return app_path |
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| 53 | |
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| 54 | # Next, try the current working directory |
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| 55 | if os.path.isfile(os.path.join(os.getcwd(), "custom_config.py")): |
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| 56 | #logging.info("Using application path: %s", os.getcwd()) |
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| 57 | return os.path.abspath(os.getcwd()) |
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| 58 | |
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| 59 | # Finally, try the directory of the sasview module |
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| 60 | # TODO: gui_manager will have to know about sasview until we |
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| 61 | # clean all these module variables and put them into a config class |
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| 62 | # that can be passed by sasview.py. |
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| 63 | # logging.info(sys.executable) |
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| 64 | # logging.info(str(sys.argv)) |
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| 65 | from sas import sasview as sasview |
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| 66 | app_path = os.path.dirname(sasview.__file__) |
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| 67 | # logging.info("Using application path: %s", app_path) |
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| 68 | return app_path |
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| 69 | |
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| 70 | def get_user_directory(): |
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| 71 | """ |
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| 72 | Returns the user's home directory |
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| 73 | """ |
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| 74 | userdir = os.path.join(os.path.expanduser("~"), ".sasview") |
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| 75 | if not os.path.isdir(userdir): |
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| 76 | os.makedirs(userdir) |
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| 77 | return userdir |
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| 78 | |
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| 79 | def _find_local_config(confg_file, path): |
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| 80 | """ |
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| 81 | Find configuration file for the current application |
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| 82 | """ |
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| 83 | config_module = None |
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| 84 | fObj = None |
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| 85 | try: |
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| 86 | fObj, path_config, descr = imp.find_module(confg_file, [path]) |
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| 87 | config_module = imp.load_module(confg_file, fObj, path_config, descr) |
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| 88 | except ImportError: |
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| 89 | pass |
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| 90 | #logging.error("Error loading %s/%s: %s" % (path, confg_file, sys.exc_value)) |
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| 91 | except ValueError: |
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| 92 | print("Value error") |
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| 93 | pass |
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| 94 | finally: |
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| 95 | if fObj is not None: |
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| 96 | fObj.close() |
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| 97 | #logging.info("GuiManager loaded %s/%s" % (path, confg_file)) |
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| 98 | return config_module |
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| 99 | |
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| 100 | |
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| 101 | # Get APP folder |
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| 102 | PATH_APP = get_app_dir() |
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| 103 | DATAPATH = PATH_APP |
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| 104 | |
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| 105 | # Read in the local config, which can either be with the main |
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| 106 | # application or in the installation directory |
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| 107 | config = _find_local_config('local_config', PATH_APP) |
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| 108 | |
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| 109 | if config is None: |
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| 110 | config = _find_local_config('local_config', os.getcwd()) |
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| 111 | else: |
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| 112 | pass |
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| 113 | |
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| 114 | c_conf_dir = CustomDir.setup_conf_dir(PATH_APP) |
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| 115 | |
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| 116 | custom_config = _find_local_config('custom_config', c_conf_dir) |
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| 117 | if custom_config is None: |
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| 118 | custom_config = _find_local_config('custom_config', os.getcwd()) |
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| 119 | if custom_config is None: |
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| 120 | msgConfig = "Custom_config file was not imported" |
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| 121 | |
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| 122 | #read some constants from config |
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| 123 | APPLICATION_STATE_EXTENSION = config.APPLICATION_STATE_EXTENSION |
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| 124 | APPLICATION_NAME = config.__appname__ |
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| 125 | SPLASH_SCREEN_PATH = config.SPLASH_SCREEN_PATH |
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| 126 | WELCOME_PANEL_ON = config.WELCOME_PANEL_ON |
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| 127 | SPLASH_SCREEN_WIDTH = config.SPLASH_SCREEN_WIDTH |
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| 128 | SPLASH_SCREEN_HEIGHT = config.SPLASH_SCREEN_HEIGHT |
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| 129 | SS_MAX_DISPLAY_TIME = config.SS_MAX_DISPLAY_TIME |
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| 130 | if not WELCOME_PANEL_ON: |
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| 131 | WELCOME_PANEL_SHOW = False |
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| 132 | else: |
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| 133 | WELCOME_PANEL_SHOW = True |
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| 134 | try: |
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| 135 | DATALOADER_SHOW = custom_config.DATALOADER_SHOW |
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| 136 | TOOLBAR_SHOW = custom_config.TOOLBAR_SHOW |
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| 137 | FIXED_PANEL = custom_config.FIXED_PANEL |
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| 138 | if WELCOME_PANEL_ON: |
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| 139 | WELCOME_PANEL_SHOW = custom_config.WELCOME_PANEL_SHOW |
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| 140 | PLOPANEL_WIDTH = custom_config.PLOPANEL_WIDTH |
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| 141 | DATAPANEL_WIDTH = custom_config.DATAPANEL_WIDTH |
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| 142 | GUIFRAME_WIDTH = custom_config.GUIFRAME_WIDTH |
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| 143 | GUIFRAME_HEIGHT = custom_config.GUIFRAME_HEIGHT |
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| 144 | CONTROL_WIDTH = custom_config.CONTROL_WIDTH |
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| 145 | CONTROL_HEIGHT = custom_config.CONTROL_HEIGHT |
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| 146 | DEFAULT_PERSPECTIVE = custom_config.DEFAULT_PERSPECTIVE |
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| 147 | CLEANUP_PLOT = custom_config.CLEANUP_PLOT |
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| 148 | # custom open_path |
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| 149 | open_folder = custom_config.DEFAULT_OPEN_FOLDER |
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| 150 | if open_folder is not None and os.path.isdir(open_folder): |
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| 151 | DEFAULT_OPEN_FOLDER = os.path.abspath(open_folder) |
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| 152 | else: |
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| 153 | DEFAULT_OPEN_FOLDER = PATH_APP |
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| 154 | except AttributeError: |
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| 155 | DATALOADER_SHOW = True |
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| 156 | TOOLBAR_SHOW = True |
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| 157 | FIXED_PANEL = True |
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| 158 | WELCOME_PANEL_SHOW = False |
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| 159 | PLOPANEL_WIDTH = config.PLOPANEL_WIDTH |
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| 160 | DATAPANEL_WIDTH = config.DATAPANEL_WIDTH |
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| 161 | GUIFRAME_WIDTH = config.GUIFRAME_WIDTH |
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| 162 | GUIFRAME_HEIGHT = config.GUIFRAME_HEIGHT |
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| 163 | CONTROL_WIDTH = -1 |
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| 164 | CONTROL_HEIGHT = -1 |
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| 165 | DEFAULT_PERSPECTIVE = None |
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| 166 | CLEANUP_PLOT = False |
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| 167 | DEFAULT_OPEN_FOLDER = PATH_APP |
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| 168 | |
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| 169 | #DEFAULT_STYLE = config.DEFAULT_STYLE |
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| 170 | |
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| 171 | PLUGIN_STATE_EXTENSIONS = config.PLUGIN_STATE_EXTENSIONS |
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| 172 | OPEN_SAVE_MENU = config.OPEN_SAVE_PROJECT_MENU |
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| 173 | VIEW_MENU = config.VIEW_MENU |
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| 174 | EDIT_MENU = config.EDIT_MENU |
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| 175 | extension_list = [] |
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| 176 | if APPLICATION_STATE_EXTENSION is not None: |
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| 177 | extension_list.append(APPLICATION_STATE_EXTENSION) |
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| 178 | EXTENSIONS = PLUGIN_STATE_EXTENSIONS + extension_list |
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| 179 | try: |
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| 180 | PLUGINS_WLIST = '|'.join(config.PLUGINS_WLIST) |
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| 181 | except AttributeError: |
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| 182 | PLUGINS_WLIST = '' |
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| 183 | APPLICATION_WLIST = config.APPLICATION_WLIST |
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| 184 | IS_WIN = True |
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| 185 | IS_LINUX = False |
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| 186 | CLOSE_SHOW = True |
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| 187 | TIME_FACTOR = 2 |
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| 188 | NOT_SO_GRAPH_LIST = ["BoxSum"] |
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| 189 | |
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| 190 | |
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| 191 | class Communicate(QtCore.QObject): |
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| 192 | """ |
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| 193 | Utility class for tracking of the Qt signals |
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| 194 | """ |
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| 195 | # File got successfully read |
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| 196 | fileReadSignal = QtCore.pyqtSignal(list) |
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| 197 | |
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| 198 | # Open File returns "list" of paths |
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| 199 | fileDataReceivedSignal = QtCore.pyqtSignal(dict) |
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| 200 | |
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| 201 | # Update Main window status bar with "str" |
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| 202 | # Old "StatusEvent" |
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| 203 | statusBarUpdateSignal = QtCore.pyqtSignal(str) |
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| 204 | |
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| 205 | # Send data to the current perspective |
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| 206 | updatePerspectiveWithDataSignal = QtCore.pyqtSignal(list) |
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| 207 | |
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| 208 | # New data in current perspective |
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| 209 | updateModelFromPerspectiveSignal = QtCore.pyqtSignal(QtGui.QStandardItem) |
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| 210 | |
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| 211 | # New theory data in current perspective |
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| 212 | updateTheoryFromPerspectiveSignal = QtCore.pyqtSignal(QtGui.QStandardItem) |
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| 213 | |
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| 214 | # New plot requested from the GUI manager |
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| 215 | # Old "NewPlotEvent" |
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| 216 | plotRequestedSignal = QtCore.pyqtSignal(list) |
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| 217 | |
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| 218 | # Plot from file names |
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| 219 | plotFromFilenameSignal = QtCore.pyqtSignal(str) |
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| 220 | |
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| 221 | # Plot update requested from a perspective |
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| 222 | plotUpdateSignal = QtCore.pyqtSignal(list) |
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| 223 | |
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| 224 | # Progress bar update value |
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| 225 | progressBarUpdateSignal = QtCore.pyqtSignal(int) |
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| 226 | |
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| 227 | # Workspace charts added/removed |
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| 228 | activeGraphsSignal = QtCore.pyqtSignal(list) |
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| 229 | |
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| 230 | # Current workspace chart's name changed |
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| 231 | activeGraphName = QtCore.pyqtSignal(tuple) |
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| 232 | |
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| 233 | # Current perspective changed |
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| 234 | perspectiveChangedSignal = QtCore.pyqtSignal(str) |
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| 235 | |
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| 236 | # File/dataset got deleted |
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| 237 | dataDeletedSignal = QtCore.pyqtSignal(list) |
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| 238 | |
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| 239 | # Send data to Data Operation Utility panel |
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| 240 | sendDataToPanelSignal = QtCore.pyqtSignal(dict) |
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| 241 | |
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| 242 | # Send result of Data Operation Utility panel to Data Explorer |
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| 243 | updateModelFromDataOperationPanelSignal = QtCore.pyqtSignal(QtGui.QStandardItem, dict) |
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| 244 | |
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| 245 | # Notify about a new custom plugin being written/deleted/modified |
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| 246 | customModelDirectoryChanged = QtCore.pyqtSignal() |
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| 247 | |
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| 248 | # Notify the gui manager about new data to be added to the grid view |
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| 249 | sendDataToGridSignal = QtCore.pyqtSignal(list) |
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| 250 | |
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| 251 | # Action Save Analysis triggered |
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| 252 | saveAnalysisSignal = QtCore.pyqtSignal() |
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| 253 | |
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| 254 | # Mask Editor requested |
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| 255 | maskEditorSignal = QtCore.pyqtSignal(Data2D) |
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| 256 | |
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| 257 | # Fitting parameter copy to clipboard |
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| 258 | copyFitParamsSignal = QtCore.pyqtSignal(str) |
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| 259 | |
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| 260 | # Fitting parameter paste from clipboard |
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| 261 | pasteFitParamsSignal = QtCore.pyqtSignal() |
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| 262 | |
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| 263 | def updateModelItemWithPlot(item, update_data, name=""): |
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| 264 | """ |
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| 265 | Adds a checkboxed row named "name" to QStandardItem |
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| 266 | Adds 'update_data' to that row. |
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| 267 | """ |
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| 268 | assert isinstance(item, QtGui.QStandardItem) |
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| 269 | |
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| 270 | # Check if data with the same ID is already present |
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| 271 | for index in range(item.rowCount()): |
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| 272 | plot_item = item.child(index) |
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| 273 | if plot_item.isCheckable(): |
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| 274 | plot_data = plot_item.child(0).data() |
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| 275 | if plot_data.id is not None and \ |
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| 276 | (plot_data.name == update_data.name or plot_data.id == update_data.id): |
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| 277 | # if plot_data.id is not None and plot_data.id == update_data.id: |
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| 278 | # replace data section in item |
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| 279 | plot_item.child(0).setData(update_data) |
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| 280 | plot_item.setText(name) |
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| 281 | # Plot title if any |
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| 282 | if plot_item.child(1).hasChildren(): |
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| 283 | plot_item.child(1).child(0).setText("Title: %s"%name) |
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| 284 | # Force redisplay |
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| 285 | return |
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| 286 | |
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| 287 | # Create the new item |
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| 288 | checkbox_item = createModelItemWithPlot(update_data, name) |
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| 289 | |
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| 290 | # Append the new row to the main item |
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| 291 | item.appendRow(checkbox_item) |
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| 292 | |
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| 293 | class HashableStandardItem(QtGui.QStandardItem): |
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| 294 | """ |
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| 295 | Subclassed standard item with reimplemented __hash__ |
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| 296 | to allow for use as an index. |
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| 297 | """ |
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| 298 | def __init__(self, parent=None): |
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| 299 | super(HashableStandardItem, self).__init__() |
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| 300 | |
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| 301 | def __hash__(self): |
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| 302 | ''' just a random hash value ''' |
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| 303 | #return hash(self.__init__) |
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| 304 | return 0 |
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| 305 | |
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| 306 | def clone(self): |
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| 307 | ''' Assure __hash__ is cloned as well''' |
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| 308 | clone = super(HashableStandardItem, self).clone() |
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| 309 | clone.__hash__ = self.__hash__ |
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| 310 | return clone |
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| 311 | |
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| 312 | |
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| 313 | def createModelItemWithPlot(update_data, name=""): |
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| 314 | """ |
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| 315 | Creates a checkboxed QStandardItem named "name" |
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| 316 | Adds 'update_data' to that row. |
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| 317 | """ |
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| 318 | py_update_data = update_data |
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| 319 | |
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| 320 | checkbox_item = HashableStandardItem() |
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| 321 | checkbox_item.setCheckable(True) |
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| 322 | checkbox_item.setCheckState(QtCore.Qt.Checked) |
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| 323 | checkbox_item.setText(name) |
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| 324 | |
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| 325 | # Add "Info" item |
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| 326 | if isinstance(py_update_data, (Data1D, Data2D)): |
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| 327 | # If Data1/2D added - extract Info from it |
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| 328 | info_item = infoFromData(py_update_data) |
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| 329 | else: |
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| 330 | # otherwise just add a naked item |
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| 331 | info_item = QtGui.QStandardItem("Info") |
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| 332 | |
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| 333 | # Add the actual Data1D/Data2D object |
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| 334 | object_item = QtGui.QStandardItem() |
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| 335 | object_item.setData(update_data) |
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| 336 | |
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| 337 | # Set the data object as the first child |
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| 338 | checkbox_item.setChild(0, object_item) |
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| 339 | |
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| 340 | # Set info_item as the second child |
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| 341 | checkbox_item.setChild(1, info_item) |
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| 342 | |
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| 343 | # And return the newly created item |
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| 344 | return checkbox_item |
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| 345 | |
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| 346 | def updateModelItem(item, update_data, name=""): |
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| 347 | """ |
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| 348 | Adds a simple named child to QStandardItem |
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| 349 | """ |
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| 350 | assert isinstance(item, QtGui.QStandardItem) |
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| 351 | |
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| 352 | # Add the actual Data1D/Data2D object |
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| 353 | object_item = QtGui.QStandardItem() |
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| 354 | object_item.setText(name) |
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| 355 | object_item.setData(update_data) |
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| 356 | |
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| 357 | # Append the new row to the main item |
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| 358 | item.appendRow(object_item) |
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| 359 | |
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| 360 | def updateModelItemStatus(model_item, filename="", name="", status=2): |
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| 361 | """ |
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| 362 | Update status of checkbox related to high- and low-Q extrapolation |
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| 363 | choice in Invariant Panel |
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| 364 | """ |
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| 365 | assert isinstance(model_item, QtGui.QStandardItemModel) |
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| 366 | |
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| 367 | # Iterate over model looking for items with checkboxes |
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| 368 | for index in range(model_item.rowCount()): |
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| 369 | item = model_item.item(index) |
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| 370 | if item.text() == filename and item.isCheckable() \ |
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| 371 | and item.checkState() == QtCore.Qt.Checked: |
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| 372 | # Going 1 level deeper only |
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| 373 | for index_2 in range(item.rowCount()): |
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| 374 | item_2 = item.child(index_2) |
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| 375 | if item_2 and item_2.isCheckable() and item_2.text() == name: |
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| 376 | item_2.setCheckState(status) |
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| 377 | |
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| 378 | return |
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| 379 | |
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| 380 | def itemFromFilename(filename, model_item): |
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| 381 | """ |
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| 382 | Returns the model item text=filename in the model |
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| 383 | """ |
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| 384 | assert isinstance(model_item, QtGui.QStandardItemModel) |
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| 385 | assert isinstance(filename, str) |
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| 386 | |
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| 387 | # Iterate over model looking for named items |
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| 388 | item = list([i for i in [model_item.item(index) |
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| 389 | for index in range(model_item.rowCount())] |
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| 390 | if str(i.text()) == filename]) |
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| 391 | return item[0] if len(item)>0 else None |
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| 392 | |
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| 393 | def plotsFromModel(model_name, model_item): |
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| 394 | """ |
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| 395 | Returns the list of plots for the item with model name in the model |
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| 396 | """ |
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| 397 | assert isinstance(model_item, QtGui.QStandardItem) |
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| 398 | assert isinstance(model_name, str) |
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| 399 | |
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| 400 | plot_data = [] |
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| 401 | # Iterate over model looking for named items |
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| 402 | for index in range(model_item.rowCount()): |
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| 403 | item = model_item.child(index) |
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| 404 | if isinstance(item.data(), (Data1D, Data2D)): |
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| 405 | plot_data.append(item.data()) |
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| 406 | if model_name in str(item.text()): |
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| 407 | #plot_data.append(item.child(0).data()) |
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| 408 | # Going 1 level deeper only |
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| 409 | for index_2 in range(item.rowCount()): |
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| 410 | item_2 = item.child(index_2) |
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| 411 | if item_2 and isinstance(item_2.data(), (Data1D, Data2D)): |
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| 412 | plot_data.append(item_2.data()) |
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| 413 | |
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| 414 | return plot_data |
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| 415 | |
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| 416 | def plotsFromFilename(filename, model_item): |
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| 417 | """ |
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| 418 | Returns the list of plots for the item with text=filename in the model |
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| 419 | """ |
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| 420 | assert isinstance(model_item, QtGui.QStandardItemModel) |
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| 421 | assert isinstance(filename, str) |
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| 422 | |
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| 423 | plot_data = {} |
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| 424 | # Iterate over model looking for named items |
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| 425 | for index in range(model_item.rowCount()): |
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| 426 | item = model_item.item(index) |
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| 427 | if str(item.text()) == filename: |
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| 428 | # TODO: assure item type is correct (either data1/2D or Plotter) |
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| 429 | plot_data[item] = item.child(0).data() |
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| 430 | # Going 1 level deeper only |
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| 431 | for index_2 in range(item.rowCount()): |
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| 432 | item_2 = item.child(index_2) |
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| 433 | if item_2 and item_2.isCheckable(): |
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| 434 | # TODO: assure item type is correct (either data1/2D or Plotter) |
|---|
| 435 | plot_data[item_2] = item_2.child(0).data() |
|---|
| 436 | |
|---|
| 437 | return plot_data |
|---|
| 438 | |
|---|
| 439 | def plotsFromCheckedItems(model_item): |
|---|
| 440 | """ |
|---|
| 441 | Returns the list of plots for items in the model which are checked |
|---|
| 442 | """ |
|---|
| 443 | assert isinstance(model_item, QtGui.QStandardItemModel) |
|---|
| 444 | |
|---|
| 445 | plot_data = [] |
|---|
| 446 | # Iterate over model looking for items with checkboxes |
|---|
| 447 | for index in range(model_item.rowCount()): |
|---|
| 448 | item = model_item.item(index) |
|---|
| 449 | |
|---|
| 450 | # Going 1 level deeper only |
|---|
| 451 | for index_2 in range(item.rowCount()): |
|---|
| 452 | item_2 = item.child(index_2) |
|---|
| 453 | if item_2 and item_2.isCheckable() and item_2.checkState() == QtCore.Qt.Checked: |
|---|
| 454 | # TODO: assure item type is correct (either data1/2D or Plotter) |
|---|
| 455 | plot_data.append((item_2, item_2.child(0).data())) |
|---|
| 456 | |
|---|
| 457 | if item.isCheckable() and item.checkState() == QtCore.Qt.Checked: |
|---|
| 458 | # TODO: assure item type is correct (either data1/2D or Plotter) |
|---|
| 459 | plot_data.append((item, item.child(0).data())) |
|---|
| 460 | |
|---|
| 461 | return plot_data |
|---|
| 462 | |
|---|
| 463 | def infoFromData(data): |
|---|
| 464 | """ |
|---|
| 465 | Given Data1D/Data2D object, extract relevant Info elements |
|---|
| 466 | and add them to a model item |
|---|
| 467 | """ |
|---|
| 468 | assert isinstance(data, (Data1D, Data2D)) |
|---|
| 469 | |
|---|
| 470 | info_item = QtGui.QStandardItem("Info") |
|---|
| 471 | |
|---|
| 472 | title_item = QtGui.QStandardItem("Title: " + data.title) |
|---|
| 473 | info_item.appendRow(title_item) |
|---|
| 474 | run_item = QtGui.QStandardItem("Run: " + str(data.run)) |
|---|
| 475 | info_item.appendRow(run_item) |
|---|
| 476 | type_item = QtGui.QStandardItem("Type: " + str(data.__class__.__name__)) |
|---|
| 477 | info_item.appendRow(type_item) |
|---|
| 478 | |
|---|
| 479 | if data.path: |
|---|
| 480 | path_item = QtGui.QStandardItem("Path: " + data.path) |
|---|
| 481 | info_item.appendRow(path_item) |
|---|
| 482 | |
|---|
| 483 | if data.instrument: |
|---|
| 484 | instr_item = QtGui.QStandardItem("Instrument: " + data.instrument) |
|---|
| 485 | info_item.appendRow(instr_item) |
|---|
| 486 | |
|---|
| 487 | process_item = QtGui.QStandardItem("Process") |
|---|
| 488 | if isinstance(data.process, list) and data.process: |
|---|
| 489 | for process in data.process: |
|---|
| 490 | process_date = process.date |
|---|
| 491 | process_date_item = QtGui.QStandardItem("Date: " + process_date) |
|---|
| 492 | process_item.appendRow(process_date_item) |
|---|
| 493 | |
|---|
| 494 | process_descr = process.description |
|---|
| 495 | process_descr_item = QtGui.QStandardItem("Description: " + process_descr) |
|---|
| 496 | process_item.appendRow(process_descr_item) |
|---|
| 497 | |
|---|
| 498 | process_name = process.name |
|---|
| 499 | process_name_item = QtGui.QStandardItem("Name: " + process_name) |
|---|
| 500 | process_item.appendRow(process_name_item) |
|---|
| 501 | |
|---|
| 502 | info_item.appendRow(process_item) |
|---|
| 503 | |
|---|
| 504 | return info_item |
|---|
| 505 | |
|---|
| 506 | def dataFromItem(item): |
|---|
| 507 | """ |
|---|
| 508 | Retrieve Data1D/2D component from QStandardItem. |
|---|
| 509 | The assumption - data stored in SasView standard, in child 0 |
|---|
| 510 | """ |
|---|
| 511 | return item.child(0).data() |
|---|
| 512 | |
|---|
| 513 | def openLink(url): |
|---|
| 514 | """ |
|---|
| 515 | Open a URL in an external browser. |
|---|
| 516 | Check the URL first, though. |
|---|
| 517 | """ |
|---|
| 518 | parsed_url = urllib.parse.urlparse(url) |
|---|
| 519 | if parsed_url.scheme: |
|---|
| 520 | webbrowser.open(url) |
|---|
| 521 | else: |
|---|
| 522 | msg = "Attempt at opening an invalid URL" |
|---|
| 523 | raise AttributeError(msg) |
|---|
| 524 | |
|---|
| 525 | def retrieveData1d(data): |
|---|
| 526 | """ |
|---|
| 527 | Retrieve 1D data from file and construct its text |
|---|
| 528 | representation |
|---|
| 529 | """ |
|---|
| 530 | if not isinstance(data, Data1D): |
|---|
| 531 | msg = "Incorrect type passed to retrieveData1d" |
|---|
| 532 | raise AttributeError(msg) |
|---|
| 533 | try: |
|---|
| 534 | xmin = min(data.x) |
|---|
| 535 | ymin = min(data.y) |
|---|
| 536 | except: |
|---|
| 537 | msg = "Unable to find min/max of \n data named %s" % \ |
|---|
| 538 | data.filename |
|---|
| 539 | #logging.error(msg) |
|---|
| 540 | raise ValueError(msg) |
|---|
| 541 | |
|---|
| 542 | text = data.__str__() |
|---|
| 543 | text += 'Data Min Max:\n' |
|---|
| 544 | text += 'X_min = %s: X_max = %s\n' % (xmin, max(data.x)) |
|---|
| 545 | text += 'Y_min = %s: Y_max = %s\n' % (ymin, max(data.y)) |
|---|
| 546 | if data.dy is not None: |
|---|
| 547 | text += 'dY_min = %s: dY_max = %s\n' % (min(data.dy), max(data.dy)) |
|---|
| 548 | text += '\nData Points:\n' |
|---|
| 549 | x_st = "X" |
|---|
| 550 | for index in range(len(data.x)): |
|---|
| 551 | if data.dy is not None and len(data.dy) > index: |
|---|
| 552 | dy_val = data.dy[index] |
|---|
| 553 | else: |
|---|
| 554 | dy_val = 0.0 |
|---|
| 555 | if data.dx is not None and len(data.dx) > index: |
|---|
| 556 | dx_val = data.dx[index] |
|---|
| 557 | else: |
|---|
| 558 | dx_val = 0.0 |
|---|
| 559 | if data.dxl is not None and len(data.dxl) > index: |
|---|
| 560 | if index == 0: |
|---|
| 561 | x_st = "Xl" |
|---|
| 562 | dx_val = data.dxl[index] |
|---|
| 563 | elif data.dxw is not None and len(data.dxw) > index: |
|---|
| 564 | if index == 0: |
|---|
| 565 | x_st = "Xw" |
|---|
| 566 | dx_val = data.dxw[index] |
|---|
| 567 | |
|---|
| 568 | if index == 0: |
|---|
| 569 | text += "<index> \t<X> \t<Y> \t<dY> \t<d%s>\n" % x_st |
|---|
| 570 | text += "%s \t%s \t%s \t%s \t%s\n" % (index, |
|---|
| 571 | data.x[index], |
|---|
| 572 | data.y[index], |
|---|
| 573 | dy_val, |
|---|
| 574 | dx_val) |
|---|
| 575 | return text |
|---|
| 576 | |
|---|
| 577 | def retrieveData2d(data): |
|---|
| 578 | """ |
|---|
| 579 | Retrieve 2D data from file and construct its text |
|---|
| 580 | representation |
|---|
| 581 | """ |
|---|
| 582 | if not isinstance(data, Data2D): |
|---|
| 583 | msg = "Incorrect type passed to retrieveData2d" |
|---|
| 584 | raise AttributeError(msg) |
|---|
| 585 | |
|---|
| 586 | text = data.__str__() |
|---|
| 587 | text += 'Data Min Max:\n' |
|---|
| 588 | text += 'I_min = %s\n' % min(data.data) |
|---|
| 589 | text += 'I_max = %s\n\n' % max(data.data) |
|---|
| 590 | text += 'Data (First 2501) Points:\n' |
|---|
| 591 | text += 'Data columns include err(I).\n' |
|---|
| 592 | text += 'ASCII data starts here.\n' |
|---|
| 593 | text += "<index> \t<Qx> \t<Qy> \t<I> \t<dI> \t<dQparal> \t<dQperp>\n" |
|---|
| 594 | di_val = 0.0 |
|---|
| 595 | dx_val = 0.0 |
|---|
| 596 | dy_val = 0.0 |
|---|
| 597 | len_data = len(data.qx_data) |
|---|
| 598 | for index in range(0, len_data): |
|---|
| 599 | x_val = data.qx_data[index] |
|---|
| 600 | y_val = data.qy_data[index] |
|---|
| 601 | i_val = data.data[index] |
|---|
| 602 | if data.err_data is not None: |
|---|
| 603 | di_val = data.err_data[index] |
|---|
| 604 | if data.dqx_data is not None: |
|---|
| 605 | dx_val = data.dqx_data[index] |
|---|
| 606 | if data.dqy_data is not None: |
|---|
| 607 | dy_val = data.dqy_data[index] |
|---|
| 608 | |
|---|
| 609 | text += "%s \t%s \t%s \t%s \t%s \t%s \t%s\n" % (index, |
|---|
| 610 | x_val, |
|---|
| 611 | y_val, |
|---|
| 612 | i_val, |
|---|
| 613 | di_val, |
|---|
| 614 | dx_val, |
|---|
| 615 | dy_val) |
|---|
| 616 | # Takes too long time for typical data2d: Break here |
|---|
| 617 | if index >= 2500: |
|---|
| 618 | text += ".............\n" |
|---|
| 619 | break |
|---|
| 620 | |
|---|
| 621 | return text |
|---|
| 622 | |
|---|
| 623 | def onTXTSave(data, path): |
|---|
| 624 | """ |
|---|
| 625 | Save file as formatted txt |
|---|
| 626 | """ |
|---|
| 627 | with open(path,'w') as out: |
|---|
| 628 | has_errors = True |
|---|
| 629 | if data.dy is None or not data.dy.any(): |
|---|
| 630 | has_errors = False |
|---|
| 631 | # Sanity check |
|---|
| 632 | if has_errors: |
|---|
| 633 | try: |
|---|
| 634 | if len(data.y) != len(data.dy): |
|---|
| 635 | has_errors = False |
|---|
| 636 | except: |
|---|
| 637 | has_errors = False |
|---|
| 638 | if has_errors: |
|---|
| 639 | if data.dx is not None and data.dx.any(): |
|---|
| 640 | out.write("<X> <Y> <dY> <dX>\n") |
|---|
| 641 | else: |
|---|
| 642 | out.write("<X> <Y> <dY>\n") |
|---|
| 643 | else: |
|---|
| 644 | out.write("<X> <Y>\n") |
|---|
| 645 | |
|---|
| 646 | for i in range(len(data.x)): |
|---|
| 647 | if has_errors: |
|---|
| 648 | if data.dx is not None and data.dx.any(): |
|---|
| 649 | if data.dx[i] is not None: |
|---|
| 650 | out.write("%g %g %g %g\n" % (data.x[i], |
|---|
| 651 | data.y[i], |
|---|
| 652 | data.dy[i], |
|---|
| 653 | data.dx[i])) |
|---|
| 654 | else: |
|---|
| 655 | out.write("%g %g %g\n" % (data.x[i], |
|---|
| 656 | data.y[i], |
|---|
| 657 | data.dy[i])) |
|---|
| 658 | else: |
|---|
| 659 | out.write("%g %g %g\n" % (data.x[i], |
|---|
| 660 | data.y[i], |
|---|
| 661 | data.dy[i])) |
|---|
| 662 | else: |
|---|
| 663 | out.write("%g %g\n" % (data.x[i], |
|---|
| 664 | data.y[i])) |
|---|
| 665 | |
|---|
| 666 | def saveData1D(data): |
|---|
| 667 | """ |
|---|
| 668 | Save 1D data points |
|---|
| 669 | """ |
|---|
| 670 | default_name = os.path.basename(data.filename) |
|---|
| 671 | default_name, extension = os.path.splitext(default_name) |
|---|
| 672 | if not extension: |
|---|
| 673 | extension = ".txt" |
|---|
| 674 | default_name += "_out" + extension |
|---|
| 675 | |
|---|
| 676 | wildcard = "Text files (*.txt);;"\ |
|---|
| 677 | "CanSAS 1D files(*.xml)" |
|---|
| 678 | kwargs = { |
|---|
| 679 | 'caption' : 'Save As', |
|---|
| 680 | 'directory' : default_name, |
|---|
| 681 | 'filter' : wildcard, |
|---|
| 682 | 'parent' : None, |
|---|
| 683 | } |
|---|
| 684 | # Query user for filename. |
|---|
| 685 | filename_tuple = QtWidgets.QFileDialog.getSaveFileName(**kwargs) |
|---|
| 686 | filename = filename_tuple[0] |
|---|
| 687 | |
|---|
| 688 | # User cancelled. |
|---|
| 689 | if not filename: |
|---|
| 690 | return |
|---|
| 691 | |
|---|
| 692 | #Instantiate a loader |
|---|
| 693 | loader = Loader() |
|---|
| 694 | if os.path.splitext(filename)[1].lower() == ".txt": |
|---|
| 695 | onTXTSave(data, filename) |
|---|
| 696 | if os.path.splitext(filename)[1].lower() == ".xml": |
|---|
| 697 | loader.save(filename, data, ".xml") |
|---|
| 698 | |
|---|
| 699 | def saveData2D(data): |
|---|
| 700 | """ |
|---|
| 701 | Save data2d dialog |
|---|
| 702 | """ |
|---|
| 703 | default_name = os.path.basename(data.filename) |
|---|
| 704 | default_name, _ = os.path.splitext(default_name) |
|---|
| 705 | ext_format = ".dat" |
|---|
| 706 | default_name += "_out" + ext_format |
|---|
| 707 | |
|---|
| 708 | wildcard = "IGOR/DAT 2D file in Q_map (*.dat)" |
|---|
| 709 | kwargs = { |
|---|
| 710 | 'caption' : 'Save As', |
|---|
| 711 | 'directory' : default_name, |
|---|
| 712 | 'filter' : wildcard, |
|---|
| 713 | 'parent' : None, |
|---|
| 714 | } |
|---|
| 715 | # Query user for filename. |
|---|
| 716 | filename_tuple = QtWidgets.QFileDialog.getSaveFileName(**kwargs) |
|---|
| 717 | filename = filename_tuple[0] |
|---|
| 718 | |
|---|
| 719 | # User cancelled. |
|---|
| 720 | if not filename: |
|---|
| 721 | return |
|---|
| 722 | |
|---|
| 723 | #Instantiate a loader |
|---|
| 724 | loader = Loader() |
|---|
| 725 | |
|---|
| 726 | if os.path.splitext(filename)[1].lower() == ext_format: |
|---|
| 727 | loader.save(filename, data, ext_format) |
|---|
| 728 | |
|---|
| 729 | class FormulaValidator(QtGui.QValidator): |
|---|
| 730 | def __init__(self, parent=None): |
|---|
| 731 | super(FormulaValidator, self).__init__(parent) |
|---|
| 732 | |
|---|
| 733 | def validate(self, input, pos): |
|---|
| 734 | |
|---|
| 735 | self._setStyleSheet("") |
|---|
| 736 | return QtGui.QValidator.Acceptable, pos |
|---|
| 737 | |
|---|
| 738 | #try: |
|---|
| 739 | # Formula(str(input)) |
|---|
| 740 | # self._setStyleSheet("") |
|---|
| 741 | # return QtGui.QValidator.Acceptable, pos |
|---|
| 742 | |
|---|
| 743 | #except Exception as e: |
|---|
| 744 | # self._setStyleSheet("background-color:pink;") |
|---|
| 745 | # return QtGui.QValidator.Intermediate, pos |
|---|
| 746 | |
|---|
| 747 | def _setStyleSheet(self, value): |
|---|
| 748 | try: |
|---|
| 749 | if self.parent(): |
|---|
| 750 | self.parent().setStyleSheet(value) |
|---|
| 751 | except: |
|---|
| 752 | pass |
|---|
| 753 | |
|---|
| 754 | def xyTransform(data, xLabel="", yLabel=""): |
|---|
| 755 | """ |
|---|
| 756 | Transforms x and y in View and set the scale |
|---|
| 757 | """ |
|---|
| 758 | # Changing the scale might be incompatible with |
|---|
| 759 | # currently displayed data (for instance, going |
|---|
| 760 | # from ln to log when all plotted values have |
|---|
| 761 | # negative natural logs). |
|---|
| 762 | # Go linear and only change the scale at the end. |
|---|
| 763 | xscale = 'linear' |
|---|
| 764 | yscale = 'linear' |
|---|
| 765 | # Local data is either 1D or 2D |
|---|
| 766 | if data.id == 'fit': |
|---|
| 767 | return |
|---|
| 768 | |
|---|
| 769 | # make sure we have some function to operate on |
|---|
| 770 | if xLabel is None: |
|---|
| 771 | xLabel = 'log10(x)' |
|---|
| 772 | if yLabel is None: |
|---|
| 773 | yLabel = 'log10(y)' |
|---|
| 774 | |
|---|
| 775 | # control axis labels from the panel itself |
|---|
| 776 | yname, yunits = data.get_yaxis() |
|---|
| 777 | xname, xunits = data.get_xaxis() |
|---|
| 778 | |
|---|
| 779 | # Goes through all possible scales |
|---|
| 780 | # self.x_label is already wrapped with Latex "$", so using the argument |
|---|
| 781 | |
|---|
| 782 | # X |
|---|
| 783 | if xLabel == "x": |
|---|
| 784 | data.transformX(DataTransform.toX, DataTransform.errToX) |
|---|
| 785 | xLabel = "%s(%s)" % (xname, xunits) |
|---|
| 786 | if xLabel == "x^(2)": |
|---|
| 787 | data.transformX(DataTransform.toX2, DataTransform.errToX2) |
|---|
| 788 | xunits = convertUnit(2, xunits) |
|---|
| 789 | xLabel = "%s^{2}(%s)" % (xname, xunits) |
|---|
| 790 | if xLabel == "x^(4)": |
|---|
| 791 | data.transformX(DataTransform.toX4, DataTransform.errToX4) |
|---|
| 792 | xunits = convertUnit(4, xunits) |
|---|
| 793 | xLabel = "%s^{4}(%s)" % (xname, xunits) |
|---|
| 794 | if xLabel == "ln(x)": |
|---|
| 795 | data.transformX(DataTransform.toLogX, DataTransform.errToLogX) |
|---|
| 796 | xLabel = "\ln{(%s)}(%s)" % (xname, xunits) |
|---|
| 797 | if xLabel == "log10(x)": |
|---|
| 798 | data.transformX(DataTransform.toX_pos, DataTransform.errToX_pos) |
|---|
| 799 | xscale = 'log' |
|---|
| 800 | xLabel = "%s(%s)" % (xname, xunits) |
|---|
| 801 | if xLabel == "log10(x^(4))": |
|---|
| 802 | data.transformX(DataTransform.toX4, DataTransform.errToX4) |
|---|
| 803 | xunits = convertUnit(4, xunits) |
|---|
| 804 | xLabel = "%s^{4}(%s)" % (xname, xunits) |
|---|
| 805 | xscale = 'log' |
|---|
| 806 | |
|---|
| 807 | # Y |
|---|
| 808 | if yLabel == "ln(y)": |
|---|
| 809 | data.transformY(DataTransform.toLogX, DataTransform.errToLogX) |
|---|
| 810 | yLabel = "\ln{(%s)}(%s)" % (yname, yunits) |
|---|
| 811 | if yLabel == "y": |
|---|
| 812 | data.transformY(DataTransform.toX, DataTransform.errToX) |
|---|
| 813 | yLabel = "%s(%s)" % (yname, yunits) |
|---|
| 814 | if yLabel == "log10(y)": |
|---|
| 815 | data.transformY(DataTransform.toX_pos, DataTransform.errToX_pos) |
|---|
| 816 | yscale = 'log' |
|---|
| 817 | yLabel = "%s(%s)" % (yname, yunits) |
|---|
| 818 | if yLabel == "y^(2)": |
|---|
| 819 | data.transformY(DataTransform.toX2, DataTransform.errToX2) |
|---|
| 820 | yunits = convertUnit(2, yunits) |
|---|
| 821 | yLabel = "%s^{2}(%s)" % (yname, yunits) |
|---|
| 822 | if yLabel == "1/y": |
|---|
| 823 | data.transformY(DataTransform.toOneOverX, DataTransform.errOneOverX) |
|---|
| 824 | yunits = convertUnit(-1, yunits) |
|---|
| 825 | yLabel = "1/%s(%s)" % (yname, yunits) |
|---|
| 826 | if yLabel == "y*x^(2)": |
|---|
| 827 | data.transformY(DataTransform.toYX2, DataTransform.errToYX2) |
|---|
| 828 | xunits = convertUnit(2, xunits) |
|---|
| 829 | yLabel = "%s \ \ %s^{2}(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 830 | if yLabel == "y*x^(4)": |
|---|
| 831 | data.transformY(DataTransform.toYX4, DataTransform.errToYX4) |
|---|
| 832 | xunits = convertUnit(4, xunits) |
|---|
| 833 | yLabel = "%s \ \ %s^{4}(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 834 | if yLabel == "1/sqrt(y)": |
|---|
| 835 | data.transformY(DataTransform.toOneOverSqrtX, DataTransform.errOneOverSqrtX) |
|---|
| 836 | yunits = convertUnit(-0.5, yunits) |
|---|
| 837 | yLabel = "1/\sqrt{%s}(%s)" % (yname, yunits) |
|---|
| 838 | if yLabel == "ln(y*x)": |
|---|
| 839 | data.transformY(DataTransform.toLogXY, DataTransform.errToLogXY) |
|---|
| 840 | yLabel = "\ln{(%s \ \ %s)}(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 841 | if yLabel == "ln(y*x^(2))": |
|---|
| 842 | data.transformY(DataTransform.toLogYX2, DataTransform.errToLogYX2) |
|---|
| 843 | xunits = convertUnit(2, xunits) |
|---|
| 844 | yLabel = "\ln (%s \ \ %s^{2})(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 845 | if yLabel == "ln(y*x^(4))": |
|---|
| 846 | data.transformY(DataTransform.toLogYX4, DataTransform.errToLogYX4) |
|---|
| 847 | xunits = convertUnit(4, xunits) |
|---|
| 848 | yLabel = "\ln (%s \ \ %s^{4})(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 849 | if yLabel == "log10(y*x^(4))": |
|---|
| 850 | data.transformY(DataTransform.toYX4, DataTransform.errToYX4) |
|---|
| 851 | xunits = convertUnit(4, xunits) |
|---|
| 852 | yscale = 'log' |
|---|
| 853 | yLabel = "%s \ \ %s^{4}(%s%s)" % (yname, xname, yunits, xunits) |
|---|
| 854 | |
|---|
| 855 | # Perform the transformation of data in data1d->View |
|---|
| 856 | data.transformView() |
|---|
| 857 | |
|---|
| 858 | return (xLabel, yLabel, xscale, yscale) |
|---|
| 859 | |
|---|
| 860 | def formatNumber(value, high=False): |
|---|
| 861 | """ |
|---|
| 862 | Return a float in a standardized, human-readable formatted string. |
|---|
| 863 | This is used to output readable (e.g. x.xxxe-y) values to the panel. |
|---|
| 864 | """ |
|---|
| 865 | try: |
|---|
| 866 | value = float(value) |
|---|
| 867 | except: |
|---|
| 868 | output = "NaN" |
|---|
| 869 | return output.lstrip().rstrip() |
|---|
| 870 | |
|---|
| 871 | if high: |
|---|
| 872 | output = "%-7.5g" % value |
|---|
| 873 | |
|---|
| 874 | else: |
|---|
| 875 | output = "%-5.3g" % value |
|---|
| 876 | return output.lstrip().rstrip() |
|---|
| 877 | |
|---|
| 878 | def replaceHTMLwithUTF8(html): |
|---|
| 879 | """ |
|---|
| 880 | Replace some important HTML-encoded characters |
|---|
| 881 | with their UTF-8 equivalents |
|---|
| 882 | """ |
|---|
| 883 | # Angstrom |
|---|
| 884 | html_out = html.replace("Å", "Ã
") |
|---|
| 885 | # infinity |
|---|
| 886 | html_out = html_out.replace("∞", "â") |
|---|
| 887 | # +/- |
|---|
| 888 | html_out = html_out.replace("±", "±") |
|---|
| 889 | |
|---|
| 890 | return html_out |
|---|
| 891 | |
|---|
| 892 | def replaceHTMLwithASCII(html): |
|---|
| 893 | """ |
|---|
| 894 | Replace some important HTML-encoded characters |
|---|
| 895 | with their ASCII equivalents |
|---|
| 896 | """ |
|---|
| 897 | # Angstrom |
|---|
| 898 | html_out = html.replace("Å", "Ang") |
|---|
| 899 | # infinity |
|---|
| 900 | html_out = html_out.replace("∞", "inf") |
|---|
| 901 | # +/- |
|---|
| 902 | html_out = html_out.replace("±", "+/-") |
|---|
| 903 | |
|---|
| 904 | return html_out |
|---|
| 905 | |
|---|
| 906 | def convertUnitToUTF8(unit): |
|---|
| 907 | """ |
|---|
| 908 | Convert ASCII unit display into UTF-8 symbol |
|---|
| 909 | """ |
|---|
| 910 | if unit == "1/A": |
|---|
| 911 | return "Ã
<sup>-1</sup>" |
|---|
| 912 | elif unit == "1/cm": |
|---|
| 913 | return "cm<sup>-1</sup>" |
|---|
| 914 | elif unit == "Ang": |
|---|
| 915 | return "Ã
" |
|---|
| 916 | elif unit == "1e-6/Ang^2": |
|---|
| 917 | return "10<sup>-6</sup>/Ã
<sup>2</sup>" |
|---|
| 918 | elif unit == "inf": |
|---|
| 919 | return "â" |
|---|
| 920 | elif unit == "-inf": |
|---|
| 921 | return "-â" |
|---|
| 922 | else: |
|---|
| 923 | return unit |
|---|
| 924 | |
|---|
| 925 | def convertUnitToHTML(unit): |
|---|
| 926 | """ |
|---|
| 927 | Convert ASCII unit display into well rendering HTML |
|---|
| 928 | """ |
|---|
| 929 | if unit == "1/A": |
|---|
| 930 | return "Å<sup>-1</sup>" |
|---|
| 931 | elif unit == "1/cm": |
|---|
| 932 | return "cm<sup>-1</sup>" |
|---|
| 933 | elif unit == "Ang": |
|---|
| 934 | return "Å" |
|---|
| 935 | elif unit == "1e-6/Ang^2": |
|---|
| 936 | return "10<sup>-6</sup>/Å<sup>2</sup>" |
|---|
| 937 | elif unit == "inf": |
|---|
| 938 | return "∞" |
|---|
| 939 | elif unit == "-inf": |
|---|
| 940 | return "-∞" |
|---|
| 941 | else: |
|---|
| 942 | return unit |
|---|
| 943 | |
|---|
| 944 | def parseName(name, expression): |
|---|
| 945 | """ |
|---|
| 946 | remove "_" in front of a name |
|---|
| 947 | """ |
|---|
| 948 | if re.match(expression, name) is not None: |
|---|
| 949 | word = re.split(expression, name, 1) |
|---|
| 950 | for item in word: |
|---|
| 951 | if item.lstrip().rstrip() != '': |
|---|
| 952 | return item |
|---|
| 953 | else: |
|---|
| 954 | return name |
|---|
| 955 | |
|---|
| 956 | def toDouble(value_string): |
|---|
| 957 | """ |
|---|
| 958 | toFloat conversion which cares deeply about user's locale |
|---|
| 959 | """ |
|---|
| 960 | # Holy shit this escalated quickly in Qt5. |
|---|
| 961 | # No more float() cast on general locales. |
|---|
| 962 | value = QtCore.QLocale().toFloat(value_string) |
|---|
| 963 | if value[1]: |
|---|
| 964 | return value[0] |
|---|
| 965 | |
|---|
| 966 | # Try generic locale |
|---|
| 967 | value = QtCore.QLocale(QtCore.QLocale('en_US')).toFloat(value_string) |
|---|
| 968 | if value[1]: |
|---|
| 969 | return value[0] |
|---|
| 970 | else: |
|---|
| 971 | raise TypeError |
|---|
| 972 | |
|---|
| 973 | def findNextFilename(filename, directory): |
|---|
| 974 | """ |
|---|
| 975 | Finds the next available (non-existing) name for 'filename' in 'directory'. |
|---|
| 976 | plugin.py -> plugin (n).py - for first 'n' for which the file doesn't exist |
|---|
| 977 | """ |
|---|
| 978 | basename, ext = os.path.splitext(filename) |
|---|
| 979 | # limit the number of copies |
|---|
| 980 | MAX_FILENAMES = 1000 |
|---|
| 981 | # Start with (1) |
|---|
| 982 | number_ext = 1 |
|---|
| 983 | proposed_filename = "" |
|---|
| 984 | found_filename = False |
|---|
| 985 | # Find the next available filename or exit if too many copies |
|---|
| 986 | while not found_filename or number_ext > MAX_FILENAMES: |
|---|
| 987 | proposed_filename = basename + " ("+str(number_ext)+")" + ext |
|---|
| 988 | if os.path.exists(os.path.join(directory, proposed_filename)): |
|---|
| 989 | number_ext += 1 |
|---|
| 990 | else: |
|---|
| 991 | found_filename = True |
|---|
| 992 | |
|---|
| 993 | return proposed_filename |
|---|
| 994 | |
|---|
| 995 | |
|---|
| 996 | class DoubleValidator(QtGui.QDoubleValidator): |
|---|
| 997 | """ |
|---|
| 998 | Allow only dots as decimal separator |
|---|
| 999 | """ |
|---|
| 1000 | def validate(self, input, pos): |
|---|
| 1001 | """ |
|---|
| 1002 | Return invalid for commas |
|---|
| 1003 | """ |
|---|
| 1004 | if input is not None and ',' in input: |
|---|
| 1005 | return (QtGui.QValidator.Invalid, input, pos) |
|---|
| 1006 | return super(DoubleValidator, self).validate(input, pos) |
|---|
| 1007 | |
|---|
| 1008 | def fixup(self, input): |
|---|
| 1009 | """ |
|---|
| 1010 | Correct (remove) potential preexisting content |
|---|
| 1011 | """ |
|---|
| 1012 | super(DoubleValidator, self).fixup(input) |
|---|
| 1013 | input = input.replace(",", "") |
|---|
| 1014 | |
|---|
| 1015 | def checkModel(path): |
|---|
| 1016 | """ |
|---|
| 1017 | Check that the model save in file 'path' can run. |
|---|
| 1018 | """ |
|---|
| 1019 | # The following return needs to be removed once |
|---|
| 1020 | # the unittest related changes in Sasmodels are commited |
|---|
| 1021 | # return True |
|---|
| 1022 | # try running the model |
|---|
| 1023 | from sasmodels.sasview_model import load_custom_model |
|---|
| 1024 | Model = load_custom_model(path) |
|---|
| 1025 | model = Model() |
|---|
| 1026 | q = np.array([0.01, 0.1]) |
|---|
| 1027 | _ = model.evalDistribution(q) |
|---|
| 1028 | qx, qy = np.array([0.01, 0.01]), np.array([0.1, 0.1]) |
|---|
| 1029 | _ = model.evalDistribution([qx, qy]) |
|---|
| 1030 | |
|---|
| 1031 | # check the model's unit tests run |
|---|
| 1032 | from sasmodels.model_test import run_one |
|---|
| 1033 | # TestSuite module in Qt5 now deletes tests in the suite after running, |
|---|
| 1034 | # so suite[0] in run_one() in sasmodels/model_test.py will contain [None] and |
|---|
| 1035 | # test.info.tests will raise. |
|---|
| 1036 | # Not sure how to change the behaviour here, most likely sasmodels will have to |
|---|
| 1037 | # be modified |
|---|
| 1038 | result = run_one(path) |
|---|
| 1039 | |
|---|
| 1040 | return result |
|---|
| 1041 | |
|---|
| 1042 | |
|---|
| 1043 | def enum(*sequential, **named): |
|---|
| 1044 | """Create an enumeration object from a list of strings""" |
|---|
| 1045 | enums = dict(zip(sequential, range(len(sequential))), **named) |
|---|
| 1046 | return type('Enum', (), enums) |
|---|
