idx int64 0 63k | question stringlengths 53 5.28k | target stringlengths 5 805 |
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24,700 | def init_and_start ( self , taskParent , override = { } ) : tag = self . initialize ( taskParent , override = override ) self . start ( ) return tag | Convenience method to initialize and start a task . |
24,701 | def wait ( self , timeout = None ) : self . ev_done . wait ( timeout = timeout ) if not self . ev_done . is_set ( ) : raise TaskTimeout ( "Task %s timed out." % self ) if isinstance ( self . result , Exception ) : raise self . result return self . result | This method waits for an executing task to finish . Subclass can override this method if necessary . |
24,702 | def done ( self , result , noraise = False ) : if self . ev_done . is_set ( ) : if isinstance ( self . result , Exception ) and ( not noraise ) : raise self . result return self . result self . endtime = time . time ( ) try : self . totaltime = self . endtime - self . starttime except AttributeError : self . totaltime ... | This method is called when a task has finished executing . Subclass can override this method if desired but should call superclass method at the end . |
24,703 | def runTask ( self , task , timeout = None ) : task . initialize ( self ) task . start ( ) time . sleep ( 0 ) res = task . wait ( timeout = timeout ) return res | Run a child task to completion . Returns the result of the child task . |
24,704 | def execute ( self ) : while self . index < len ( self . tasklist ) : res = self . step ( ) self . logger . debug ( 'SeqSet task %i has completed with result %s' % ( self . index , res ) ) return res | Run all child tasks in order waiting for completion of each . Return the result of the final child task s execution . |
24,705 | def execute ( self ) : self . count = 0 self . taskset = [ ] self . results = { } self . totaltime = time . time ( ) for task in list ( self . taskseq ) : self . taskset . append ( task ) task . add_callback ( 'resolved' , self . child_done , self . count ) self . count += 1 self . numtasks = self . count with self . r... | Run all child tasks concurrently in separate threads . Return 0 after all child tasks have completed execution . |
24,706 | def execute ( self ) : with self . _lock_c : self . count = 0 self . numtasks = 0 self . taskset = [ ] self . results = { } self . totaltime = time . time ( ) for task in self . taskseq : self . taskset . append ( task ) self . numtasks += 1 task . init_and_start ( self ) num_tasks = self . getNumTasks ( ) while num_ta... | Run all child tasks concurrently in separate threads . Return last result after all child tasks have completed execution . |
24,707 | def execute ( self , task ) : taskid = str ( task ) res = None try : self . time_start = time . time ( ) self . setstatus ( 'executing %s' % taskid ) self . logger . debug ( "now executing task '%s'" % taskid ) try : res = task . execute ( ) except UserTaskException as e : res = e except Exception as e : self . logger ... | Execute a task . |
24,708 | def startall ( self , wait = False , ** kwdargs ) : self . logger . debug ( "startall called" ) with self . regcond : while self . status != 'down' : if self . status in ( 'start' , 'up' ) or self . ev_quit . is_set ( ) : self . logger . error ( "ignoring duplicate request to start thread pool" ) return self . logger .... | Start all of the threads in the thread pool . If _wait_ is True then don t return until all threads are up and running . Any extra keyword arguments are passed to the worker thread constructor . |
24,709 | def stopall ( self , wait = False ) : self . logger . debug ( "stopall called" ) with self . regcond : while self . status != 'up' : if self . status in ( 'stop' , 'down' ) or self . ev_quit . is_set ( ) : self . logger . warning ( "ignoring duplicate request to stop thread pool." ) return self . logger . debug ( "wait... | Stop all threads in the worker pool . If _wait_ is True then don t return until all threads are down . |
24,710 | def wcs_pix_transform ( ct , i , format = 0 ) : z1 = float ( ct . z1 ) z2 = float ( ct . z2 ) i = float ( i ) yscale = 128.0 / ( z2 - z1 ) if ( format == 'T' or format == 't' ) : format = 1 if ( i == 0 ) : t = 0. else : if ( ct . zt == W_LINEAR ) : t = ( ( i - 1 ) * ( z2 - z1 ) / 199.0 ) + z1 t = max ( z1 , min ( z2 , ... | Computes the WCS corrected pixel value given a coordinate transformation and the raw pixel value . |
24,711 | def handle_request ( self ) : try : ( request , client_address ) = self . get_request ( ) except socket . error as e : self . logger . error ( "error opening the connection: %s" % ( str ( e ) ) ) for exctn in sys . exc_info ( ) : print ( exctn ) return try : self . RequestHandlerClass ( request , client_address , self ... | Handles incoming connections one at the time . |
24,712 | def mainloop ( self ) : try : while ( not self . ev_quit . is_set ( ) ) : try : self . handle_request ( ) except socketTimeout : continue finally : self . socket . close ( ) | main control loop . |
24,713 | def handle_feedback ( self , pkt ) : self . logger . debug ( "handle feedback" ) self . frame = self . decode_frameno ( pkt . z & 0o7777 ) - 1 self . server . controller . init_frame ( self . frame ) self . server . controller . set_frame ( self . frame ) | This part of the protocol is used by IRAF to erase a frame in the framebuffers . |
24,714 | def handle_lut ( self , pkt ) : self . logger . debug ( "handle lut" ) if pkt . subunit & COMMAND : data_type = str ( pkt . nbytes / 2 ) + 'h' line = pkt . datain . read ( pkt . nbytes ) n = len ( line ) if ( n < pkt . nbytes ) : return try : x = struct . unpack ( data_type , line ) except Exception as e : self . logge... | This part of the protocol is used by IRAF to set the frame number . |
24,715 | def handle_imcursor ( self , pkt ) : self . logger . debug ( "handle imcursor" ) if pkt . tid & IIS_READ : if pkt . tid & IMC_SAMPLE : self . logger . debug ( "SAMPLE" ) wcsflag = int ( pkt . z ) res = self . server . controller . get_keystroke ( ) self . return_cursor ( pkt . dataout , res . x , res . y , res . frame ... | This part of the protocol is used by IRAF to read the cursor position and keystrokes from the display client . |
24,716 | def handle ( self ) : self . logger = self . server . logger packet = iis ( ) packet . datain = self . rfile packet . dataout = self . wfile size = struct . calcsize ( '8h' ) line = packet . datain . read ( size ) n = len ( line ) if n < size : return while n > 0 : try : bytes = struct . unpack ( '8h' , line ) except E... | This is where the action starts . |
24,717 | def display_image ( self , reset = 1 ) : try : fb = self . server . controller . get_frame ( self . frame ) except KeyError : fb = self . server . controller . init_frame ( self . frame ) if not fb . height : width = fb . width height = int ( len ( fb . buffer ) / width ) fb . height = height if ( len ( fb . buffer ) >... | Utility routine used to display an updated frame from a framebuffer . |
24,718 | def _highlight_path ( self , hl_path , tf ) : fc = self . settings . get ( 'row_font_color' , 'green' ) try : self . treeview . highlight_path ( hl_path , tf , font_color = fc ) except Exception as e : self . logger . info ( 'Error changing highlight on treeview path ' '({0}): {1}' . format ( hl_path , str ( e ) ) ) | Highlight or unhighlight a single entry . |
24,719 | def update_highlights ( self , old_highlight_set , new_highlight_set ) : if not self . gui_up : return un_hilite_set = old_highlight_set - new_highlight_set re_hilite_set = new_highlight_set - old_highlight_set for key in un_hilite_set : self . _highlight_path ( key , False ) for key in re_hilite_set : self . _highligh... | Unhighlight the entries represented by old_highlight_set and highlight the ones represented by new_highlight_set . |
24,720 | def show_selection ( self , star ) : try : self . _select_flag = True self . mark_selection ( star ) finally : self . _select_flag = False | This method is called when the user clicks on a plotted star in the fitsviewer . |
24,721 | def select_star_cb ( self , widget , res_dict ) : keys = list ( res_dict . keys ( ) ) if len ( keys ) == 0 : self . selected = [ ] self . replot_stars ( ) else : idx = int ( keys [ 0 ] ) star = self . starlist [ idx ] if not self . _select_flag : self . mark_selection ( star , fromtable = True ) return True | This method is called when the user selects a star from the table . |
24,722 | def _calc_order ( self , order ) : if order is not None and order != '' : self . order = order . upper ( ) else : shape = self . shape if len ( shape ) <= 2 : self . order = 'M' else : depth = shape [ - 1 ] if depth == 1 : self . order = 'M' elif depth == 2 : self . order = 'AM' elif depth == 3 : self . order = 'RGB' e... | Called to set the order of a multi - channel image . The order should be determined by the loader but this will make a best guess if passed order is None . |
24,723 | def cutout_data ( self , x1 , y1 , x2 , y2 , xstep = 1 , ystep = 1 , astype = None ) : view = np . s_ [ y1 : y2 : ystep , x1 : x2 : xstep ] data = self . _slice ( view ) if astype : data = data . astype ( astype , copy = False ) return data | cut out data area based on coords . |
24,724 | def get_shape_mask ( self , shape_obj ) : wd , ht = self . get_size ( ) yi = np . mgrid [ : ht ] . reshape ( - 1 , 1 ) xi = np . mgrid [ : wd ] . reshape ( 1 , - 1 ) pts = np . asarray ( ( xi , yi ) ) . T contains = shape_obj . contains_pts ( pts ) return contains | Return full mask where True marks pixels within the given shape . |
24,725 | def get_shape_view ( self , shape_obj , avoid_oob = True ) : x1 , y1 , x2 , y2 = [ int ( np . round ( n ) ) for n in shape_obj . get_llur ( ) ] if avoid_oob : wd , ht = self . get_size ( ) x1 , x2 = max ( 0 , x1 ) , min ( x2 , wd - 1 ) y1 , y2 = max ( 0 , y1 ) , min ( y2 , ht - 1 ) yi = np . mgrid [ y1 : y2 + 1 ] . res... | Calculate a bounding box in the data enclosing shape_obj and return a view that accesses it and a mask that is True only for pixels enclosed in the region . |
24,726 | def cutout_shape ( self , shape_obj ) : view , mask = self . get_shape_view ( shape_obj ) data = self . _slice ( view ) mdata = np . ma . array ( data , mask = np . logical_not ( mask ) ) return mdata | Cut out and return a portion of the data corresponding to shape_obj . A masked numpy array is returned where the pixels not enclosed in the shape are masked out . |
24,727 | def remove_callback ( self , name , fn , * args , ** kwargs ) : try : tup = ( fn , args , kwargs ) if tup in self . cb [ name ] : self . cb [ name ] . remove ( tup ) except KeyError : raise CallbackError ( "No callback category of '%s'" % ( name ) ) | Remove a specific callback that was added . |
24,728 | def cmap2pixmap ( cmap , steps = 50 ) : import numpy as np inds = np . linspace ( 0 , 1 , steps ) n = len ( cmap . clst ) - 1 tups = [ cmap . clst [ int ( x * n ) ] for x in inds ] rgbas = [ QColor ( int ( r * 255 ) , int ( g * 255 ) , int ( b * 255 ) , 255 ) . rgba ( ) for r , g , b in tups ] im = QImage ( steps , 1 ,... | Convert a Ginga colormap into a QPixmap |
24,729 | def start ( self , duration = None ) : if duration is None : duration = self . duration self . set ( duration ) | Start the timer . If duration is not None it should specify the time to expiration in seconds . |
24,730 | def _snap_cb ( self , w ) : self . scrnimage . clear ( ) self . scrnimage . redraw_now ( whence = 0 ) self . fv . update_pending ( ) format = self . tosave_type if self . _screen_size : self . fv . error_wrap ( self . fitsimage . save_rgb_image_as_file , self . tmpname , format = format ) else : self . check_and_adjust... | This function is called when the user clicks the Snap button . |
24,731 | def _save_cb ( self , w ) : format = self . saved_type if format is None : return self . fv . show_error ( "Please save an image first." ) filename = self . w . name . get_text ( ) . strip ( ) if len ( filename ) == 0 : return self . fv . show_error ( "Please set a name for saving the file" ) self . save_name = filenam... | This function is called when the user clicks the Save button . We save the last taken shot to the folder and name specified . |
24,732 | def _lock_aspect_cb ( self , w , tf ) : self . _lock_aspect = tf self . w . aspect . set_enabled ( tf ) if self . _lock_aspect : self . _set_aspect_cb ( ) else : wd , ht = self . get_wdht ( ) _as = self . calc_aspect_str ( wd , ht ) self . w . aspect . set_text ( _as ) | This function is called when the user clicks the Lock aspect checkbox . tf is True if checked False otherwise . |
24,733 | def _screen_size_cb ( self , w , tf ) : self . _screen_size = tf self . w . width . set_enabled ( not tf ) self . w . height . set_enabled ( not tf ) self . w . lock_aspect . set_enabled ( not tf ) if self . _screen_size : wd , ht = self . fitsimage . get_window_size ( ) self . _configure_cb ( self . fitsimage , wd , h... | This function is called when the user clicks the Screen size checkbox . tf is True if checked False otherwise . |
24,734 | def load_asdf ( asdf_obj , data_key = 'sci' , wcs_key = 'wcs' , header_key = 'meta' ) : asdf_keys = asdf_obj . keys ( ) if wcs_key in asdf_keys : wcs = asdf_obj [ wcs_key ] else : wcs = None if header_key in asdf_keys : ahdr = asdf_obj [ header_key ] else : ahdr = { } if data_key in asdf_keys : data = np . asarray ( as... | Load from an ASDF object . |
24,735 | def _match_cmap ( self , fitsimage , colorbar ) : rgbmap = fitsimage . get_rgbmap ( ) loval , hival = fitsimage . get_cut_levels ( ) colorbar . set_range ( loval , hival ) colorbar . set_rgbmap ( rgbmap ) | Help method to change the ColorBar to match the cut levels or colormap used in a ginga ImageView . |
24,736 | def rgbmap_cb ( self , rgbmap , channel ) : if not self . gui_up : return fitsimage = channel . fitsimage if fitsimage != self . fv . getfocus_fitsimage ( ) : return False self . change_cbar ( self . fv , channel ) | This method is called when the RGBMap is changed . We update the ColorBar to match . |
24,737 | def show_mode_indicator ( viewer , tf , corner = 'ur' ) : tag = '_$mode_indicator' canvas = viewer . get_private_canvas ( ) try : indic = canvas . get_object_by_tag ( tag ) if not tf : canvas . delete_object_by_tag ( tag ) else : indic . corner = corner except KeyError : if tf : bm = viewer . get_bindmap ( ) bm . add_c... | Show a keyboard mode indicator in one of the corners . |
24,738 | def show_color_bar ( viewer , tf , side = 'bottom' ) : tag = '_$color_bar' canvas = viewer . get_private_canvas ( ) try : cbar = canvas . get_object_by_tag ( tag ) if not tf : canvas . delete_object_by_tag ( tag ) else : cbar . side = side except KeyError : if tf : Cbar = canvas . get_draw_class ( 'colorbar' ) canvas .... | Show a color bar in the window . |
24,739 | def show_focus_indicator ( viewer , tf , color = 'white' ) : tag = '_$focus_indicator' canvas = viewer . get_private_canvas ( ) try : fcsi = canvas . get_object_by_tag ( tag ) if not tf : canvas . delete_object_by_tag ( tag ) else : fcsi . color = color except KeyError : if tf : Fcsi = canvas . get_draw_class ( 'focusi... | Show a focus indicator in the window . |
24,740 | def add_zoom_buttons ( viewer , canvas = None , color = 'black' ) : def zoom ( box , canvas , event , pt , viewer , n ) : zl = viewer . get_zoom ( ) zl += n if zl == 0.0 : zl += n viewer . zoom_to ( zl + n ) def add_buttons ( viewer , canvas , tag ) : objs = [ ] wd , ht = viewer . get_window_size ( ) SquareBox = canvas... | Add zoom buttons to a canvas . |
24,741 | def expose_event ( self , widget , event ) : x , y , width , height = event . area self . logger . debug ( "surface is %s" % self . surface ) if self . surface is not None : win = widget . get_window ( ) cr = win . cairo_create ( ) cr . rectangle ( x , y , width , height ) cr . clip ( ) cr . set_source_surface ( self .... | When an area of the window is exposed we just copy out of the server - side off - screen surface to that area . |
24,742 | def size_request ( self , widget , requisition ) : requisition . width , requisition . height = self . get_desired_size ( ) return True | Callback function to request our desired size . |
24,743 | def get_plugin_spec ( self , name ) : l_name = name . lower ( ) for spec in self . plugins : name = spec . get ( 'name' , spec . get ( 'klass' , spec . module ) ) if name . lower ( ) == l_name : return spec raise KeyError ( name ) | Get the specification attributes for plugin with name name . |
24,744 | def help_text ( self , name , text , text_kind = 'plain' , trim_pfx = 0 ) : if trim_pfx > 0 : text = toolbox . trim_prefix ( text , trim_pfx ) if text_kind == 'rst' : try : overrides = { 'input_encoding' : 'ascii' , 'output_encoding' : 'utf-8' } text_html = publish_string ( text , writer_name = 'html' , settings_overri... | Provide help text for the user . |
24,745 | def load_file ( self , filepath , chname = None , wait = True , create_channel = True , display_image = True , image_loader = None ) : if not chname : channel = self . get_current_channel ( ) else : if not self . has_channel ( chname ) and create_channel : self . gui_call ( self . add_channel , chname ) channel = self ... | Load a file and display it . |
24,746 | def add_download ( self , info , future ) : if self . gpmon . has_plugin ( 'Downloads' ) : obj = self . gpmon . get_plugin ( 'Downloads' ) self . gui_do ( obj . add_download , info , future ) else : self . show_error ( "Please activate the 'Downloads' plugin to" " enable download functionality" ) | Hand off a download to the Downloads plugin if it is present . |
24,747 | def open_file_cont ( self , pathspec , loader_cont_fn ) : info = iohelper . get_fileinfo ( pathspec ) filepath = info . filepath if not os . path . exists ( filepath ) : errmsg = "File does not appear to exist: '%s'" % ( filepath ) self . gui_do ( self . show_error , errmsg ) return try : typ , subtyp = iohelper . gues... | Open a file and do some action on it . |
24,748 | def open_uris ( self , uris , chname = None , bulk_add = False ) : if len ( uris ) == 0 : return if chname is None : channel = self . get_channel_info ( ) if channel is None : return chname = channel . name channel = self . get_channel_on_demand ( chname ) def show_dataobj_bulk ( data_obj ) : self . gui_do ( channel . ... | Open a set of URIs . |
24,749 | def zoom_in ( self ) : viewer = self . getfocus_viewer ( ) if hasattr ( viewer , 'zoom_in' ) : viewer . zoom_in ( ) return True | Zoom the view in one zoom step . |
24,750 | def zoom_out ( self ) : viewer = self . getfocus_viewer ( ) if hasattr ( viewer , 'zoom_out' ) : viewer . zoom_out ( ) return True | Zoom the view out one zoom step . |
24,751 | def zoom_fit ( self ) : viewer = self . getfocus_viewer ( ) if hasattr ( viewer , 'zoom_fit' ) : viewer . zoom_fit ( ) return True | Zoom the view to fit the image entirely in the window . |
24,752 | def prev_img_ws ( self , ws , loop = True ) : channel = self . get_active_channel_ws ( ws ) if channel is None : return channel . prev_image ( ) return True | Go to the previous image in the focused channel in the workspace . |
24,753 | def next_img_ws ( self , ws , loop = True ) : channel = self . get_active_channel_ws ( ws ) if channel is None : return channel . next_image ( ) return True | Go to the next image in the focused channel in the workspace . |
24,754 | def prev_img ( self , loop = True ) : channel = self . get_current_channel ( ) if channel is None : self . show_error ( "Please create a channel." , raisetab = True ) return channel . prev_image ( ) return True | Go to the previous image in the channel . |
24,755 | def next_img ( self , loop = True ) : channel = self . get_current_channel ( ) if channel is None : self . show_error ( "Please create a channel." , raisetab = True ) return channel . next_image ( ) return True | Go to the next image in the channel . |
24,756 | def close_plugins ( self , channel ) : opmon = channel . opmon for key in opmon . get_active ( ) : obj = opmon . get_plugin ( key ) try : self . gui_call ( obj . close ) except Exception as e : self . logger . error ( "Failed to continue operation: %s" % ( str ( e ) ) ) | Close all plugins associated with the channel . |
24,757 | def add_channel ( self , chname , workspace = None , num_images = None , settings = None , settings_template = None , settings_share = None , share_keylist = None ) : with self . lock : if self . has_channel ( chname ) : return self . get_channel ( chname ) if chname in self . ds . get_tabnames ( None ) : raise ValueEr... | Create a new Ginga channel . |
24,758 | def delete_channel ( self , chname ) : name = chname . lower ( ) if len ( self . channel_names ) < 1 : self . logger . error ( 'Delete channel={0} failed. ' 'No channels left.' . format ( chname ) ) return with self . lock : channel = self . channel [ name ] self . close_plugins ( channel ) try : idx = self . channel_n... | Delete a given channel from viewer . |
24,759 | def add_menu ( self , name ) : if self . menubar is None : raise ValueError ( "No menu bar configured" ) return self . menubar . add_name ( name ) | Add a menu with name name to the global menu bar . Returns a menu widget . |
24,760 | def get_menu ( self , name ) : if self . menubar is None : raise ValueError ( "No menu bar configured" ) return self . menubar . get_menu ( name ) | Get the menu with name name from the global menu bar . Returns a menu widget . |
24,761 | def register_viewer ( self , vclass ) : self . viewer_db [ vclass . vname ] = Bunch . Bunch ( vname = vclass . vname , vclass = vclass , vtypes = vclass . vtypes ) | Register a channel viewer with the reference viewer . vclass is the class of the viewer . |
24,762 | def get_viewer_names ( self , dataobj ) : res = [ ] for bnch in self . viewer_db . values ( ) : for vtype in bnch . vtypes : if isinstance ( dataobj , vtype ) : res . append ( bnch . vname ) return res | Returns a list of viewer names that are registered that can view dataobj . |
24,763 | def make_viewer ( self , vname , channel ) : if vname not in self . viewer_db : raise ValueError ( "I don't know how to build a '%s' viewer" % ( vname ) ) stk_w = channel . widget bnch = self . viewer_db [ vname ] viewer = bnch . vclass ( logger = self . logger , settings = channel . settings ) stk_w . add_widget ( vie... | Make a viewer whose type name is vname and add it to channel . |
24,764 | def collapse_pane ( self , side ) : hsplit = self . w [ 'hpnl' ] sizes = hsplit . get_sizes ( ) lsize , msize , rsize = sizes if self . _lsize is None : self . _lsize , self . _rsize = lsize , rsize self . logger . debug ( "left=%d mid=%d right=%d" % ( lsize , msize , rsize ) ) if side == 'right' : if rsize < 10 : rsiz... | Toggle collapsing the left or right panes . |
24,765 | def quit ( self , * args ) : self . logger . info ( "Attempting to shut down the application..." ) if self . layout_file is not None : self . error_wrap ( self . ds . write_layout_conf , self . layout_file ) self . stop ( ) self . w . root = None while len ( self . ds . toplevels ) > 0 : w = self . ds . toplevels . pop... | Quit the application . |
24,766 | def showxy ( self , viewer , data_x , data_y ) : cur_time = time . time ( ) elapsed = cur_time - self . _cursor_last_update if elapsed > self . cursor_interval : self . _cursor_task . clear ( ) self . gui_do_oneshot ( 'field-info' , self . _showxy , viewer , data_x , data_y ) else : self . _cursor_task . data . setvals... | Called by the mouse - tracking callback to handle reporting of cursor position to various plugins that subscribe to the field - info callback . |
24,767 | def _cursor_timer_cb ( self , timer ) : data = timer . data self . gui_do_oneshot ( 'field-info' , self . _showxy , data . viewer , data . data_x , data . data_y ) | Callback when the cursor timer expires . |
24,768 | def _showxy ( self , viewer , data_x , data_y ) : self . _cursor_last_update = time . time ( ) try : image = viewer . get_image ( ) if ( image is None ) or not isinstance ( image , BaseImage . BaseImage ) : return settings = viewer . get_settings ( ) info = image . info_xy ( data_x , data_y , settings ) off = self . se... | Update the info from the last position recorded under the cursor . |
24,769 | def motion_cb ( self , viewer , button , data_x , data_y ) : self . showxy ( viewer , data_x , data_y ) return True | Motion event in the channel viewer window . Show the pointing information under the cursor . |
24,770 | def keypress ( self , viewer , event , data_x , data_y ) : keyname = event . key chname = self . get_channel_name ( viewer ) self . logger . debug ( "key press (%s) in channel %s" % ( keyname , chname ) ) if keyname == 'Z' : self . ds . raise_tab ( 'Zoom' ) elif keyname == 'I' : self . ds . raise_tab ( 'Info' ) elif ke... | Key press event in a channel window . |
24,771 | def show_channel_names ( self ) : for name in self . get_channel_names ( ) : channel = self . get_channel ( name ) channel . fitsimage . onscreen_message ( name , delay = 2.5 ) | Show each channel s name in its image viewer . Useful in grid or stack workspace type to identify which window is which . |
24,772 | def _short_color_list ( self ) : return [ c for c in colors . get_colors ( ) if not re . search ( r'\d' , c ) ] | Color list is too long . Discard variations with numbers . |
24,773 | def _get_markobj ( self , x , y , marktype , marksize , markcolor , markwidth ) : if marktype == 'circle' : obj = self . dc . Circle ( x = x , y = y , radius = marksize , color = markcolor , linewidth = markwidth ) elif marktype in ( 'cross' , 'plus' ) : obj = self . dc . Point ( x = x , y = y , radius = marksize , col... | Generate canvas object for given mark parameters . |
24,774 | def clear_marking ( self ) : if self . marktag : try : self . canvas . delete_object_by_tag ( self . marktag , redraw = False ) except Exception : pass if self . markhltag : try : self . canvas . delete_object_by_tag ( self . markhltag , redraw = False ) except Exception : pass self . treeview . clear ( ) self . w . ns... | Clear marking from image . This does not clear loaded coordinates from memory . |
24,775 | def load_file ( self , filename ) : if not os . path . isfile ( filename ) : return self . logger . info ( 'Loading coordinates from {0}' . format ( filename ) ) if filename . endswith ( '.fits' ) : fmt = 'fits' else : fmt = 'ascii' try : tab = Table . read ( filename , format = fmt ) except Exception as e : self . log... | Load coordinates file . |
24,776 | def _convert_radec ( self , val ) : try : ans = val . to ( 'deg' ) except Exception as e : self . logger . error ( 'Cannot convert, assume already in degrees' ) ans = val . data else : ans = ans . value return ans | Convert RA or DEC table column to degrees and extract data . Assume already in degrees if cannot convert . |
24,777 | def hl_table2canvas ( self , w , res_dict ) : objlist = [ ] width = self . markwidth + self . _dwidth if self . markhltag : try : self . canvas . delete_object_by_tag ( self . markhltag , redraw = False ) except Exception : pass self . treeviewsel . set_tree ( res_dict ) for kstr , sub_dict in res_dict . items ( ) : s ... | Highlight marking on canvas when user click on table . |
24,778 | def hl_canvas2table_box ( self , canvas , tag ) : self . treeview . clear_selection ( ) cobj = canvas . get_object_by_tag ( tag ) if cobj . kind != 'rectangle' : return canvas . delete_object_by_tag ( tag , redraw = False ) if self . markhltag : try : canvas . delete_object_by_tag ( self . markhltag , redraw = True ) e... | Highlight all markings inside user drawn box on table . |
24,779 | def hl_canvas2table ( self , canvas , button , data_x , data_y ) : self . treeview . clear_selection ( ) if self . markhltag : try : canvas . delete_object_by_tag ( self . markhltag , redraw = True ) except Exception : pass try : obj = canvas . get_object_by_tag ( self . marktag ) except Exception : return if obj . kin... | Highlight marking on table when user click on canvas . |
24,780 | def _highlight_path ( self , hlpath ) : self . logger . debug ( 'Highlighting {0}' . format ( hlpath ) ) self . treeview . select_path ( hlpath ) self . treeview . scroll_to_path ( hlpath ) | Highlight an entry in the table and associated marking . |
24,781 | def set_marktype_cb ( self , w , index ) : self . marktype = self . _mark_options [ index ] if self . marktype != 'point' : self . w . mark_size . set_enabled ( True ) else : self . w . mark_size . set_enabled ( False ) | Set type of marking . |
24,782 | def set_markwidth ( self ) : try : sz = int ( self . w . mark_width . get_text ( ) ) except ValueError : self . logger . error ( 'Cannot set mark width' ) self . w . mark_width . set_text ( str ( self . markwidth ) ) else : self . markwidth = sz | Set width of marking . |
24,783 | def redo ( self , channel , image ) : self . _image = None info = channel . extdata . _header_info self . set_header ( info , image ) | This is called when image changes . |
24,784 | def blank ( self , channel ) : self . _image = None info = channel . extdata . _header_info info . table . clear ( ) | This is called when image is cleared . |
24,785 | def clock_resized_cb ( self , viewer , width , height ) : self . logger . info ( "resized canvas to %dx%d" % ( width , height ) ) self . canvas . delete_all_objects ( ) Text = self . canvas . get_draw_class ( 'text' ) x , y = 20 , int ( height * 0.55 ) self . time_txt = Text ( x , y , text = '' , color = self . color ,... | This method is called when an individual clock is resized . It deletes and reconstructs the placement of the text objects in the canvas . |
24,786 | def update_clock ( self , dt ) : dt = dt . astimezone ( self . tzinfo ) fmt = "%H:%M" if self . show_seconds : fmt = "%H:%M:%S" self . time_txt . text = dt . strftime ( fmt ) suppl_text = "{0} {1}" . format ( dt . strftime ( "%Y-%m-%d" ) , self . timezone ) self . suppl_txt . text = suppl_text self . viewer . redraw ( ... | This method is called by the ClockApp whenever the timer fires to update the clock . dt is a timezone - aware datetime object . |
24,787 | def add_clock ( self , timezone , color = 'lightgreen' , show_seconds = None ) : if show_seconds is None : show_seconds = self . options . show_seconds clock = Clock ( self . app , self . logger , timezone , color = color , font = self . options . font , show_seconds = show_seconds ) clock . widget . cfg_expand ( 0x7 ,... | Add a clock to the grid . timezone is a string representing a valid timezone . |
24,788 | def timer_cb ( self , timer ) : dt_now = datetime . utcnow ( ) . replace ( tzinfo = pytz . utc ) self . logger . debug ( "timer fired. utc time is '%s'" % ( str ( dt_now ) ) ) for clock in self . clocks . values ( ) : clock . update_clock ( dt_now ) timer . start ( 1.0 ) | Timer callback . Update all our clocks . |
24,789 | def set_table_cb ( self , viewer , table ) : self . clear ( ) tree_dict = OrderedDict ( ) a_tab = table . get_data ( ) try : a_tab = a_tab . filled ( ) except Exception : pass i_fmt = '{{0:0{0}d}}' . format ( len ( str ( len ( a_tab ) ) ) ) columns = [ ( 'Row' , '_DISPLAY_ROW' ) ] for c in a_tab . columns . values ( ) ... | Display the given table object . |
24,790 | def build_gui ( self , container ) : vbox , sw , self . orientation = Widgets . get_oriented_box ( container ) vbox . set_border_width ( 4 ) vbox . set_spacing ( 2 ) always_expand = self . settings . get ( 'always_expand' , True ) color_alternate = self . settings . get ( 'color_alternate_rows' , True ) treeview = Widg... | This method is called when the plugin is invoked . It builds the GUI used by the plugin into the widget layout passed as container . |
24,791 | def redo ( self , channel , image ) : chname = channel . name if image is None : return imname = image . get ( 'name' , 'none' ) iminfo = channel . get_image_info ( imname ) timestamp = iminfo . time_modified if timestamp is None : reason = iminfo . get ( 'reason_modified' , None ) if reason is not None : self . fv . s... | Add an entry with image modification info . |
24,792 | def remove_image_info_cb ( self , gshell , channel , iminfo ) : chname = channel . name if chname not in self . name_dict : return fileDict = self . name_dict [ chname ] name = iminfo . name if name not in fileDict : return del fileDict [ name ] self . logger . debug ( '{0} removed from ChangeHistory' . format ( name )... | Delete entries related to deleted image . |
24,793 | def add_image_info_cb ( self , gshell , channel , iminfo ) : timestamp = iminfo . time_modified if timestamp is None : return self . add_entry ( channel . name , iminfo ) | Add entries related to an added image . |
24,794 | def drag_drop_cb ( self , viewer , urls ) : channel = self . fv . get_current_channel ( ) if channel is None : return self . fv . open_uris ( urls , chname = channel . name , bulk_add = True ) return True | Punt drag - drops to the ginga shell . |
24,795 | def update_highlights ( self , old_highlight_set , new_highlight_set ) : with self . thmblock : un_hilite_set = old_highlight_set - new_highlight_set re_hilite_set = new_highlight_set - old_highlight_set bg = self . settings . get ( 'label_bg_color' , 'lightgreen' ) fg = self . settings . get ( 'label_font_color' , 'bl... | Unhighlight the thumbnails represented by old_highlight_set and highlight the ones represented by new_highlight_set . |
24,796 | def have_thumbnail ( self , fitsimage , image ) : chname = self . fv . get_channel_name ( fitsimage ) idx = image . get ( 'idx' , None ) path = image . get ( 'path' , None ) if path is not None : path = os . path . abspath ( path ) name = iohelper . name_image_from_path ( path , idx = idx ) else : name = 'NoName' name ... | Returns True if we already have a thumbnail version of this image cached False otherwise . |
24,797 | def auto_scroll ( self , thumbkey ) : if not self . gui_up : return scrollp = self . w . auto_scroll . get_state ( ) if not scrollp : return bnch = self . thumb_dict [ thumbkey ] pan_x , pan_y = self . c_view . get_pan ( ) self . c_view . panset_xy ( pan_x , bnch . image . y ) | Scroll the window to the thumb . |
24,798 | def clear_widget ( self ) : if not self . gui_up : return canvas = self . c_view . get_canvas ( ) canvas . delete_all_objects ( ) self . c_view . redraw ( whence = 0 ) | Clears the thumbnail display widget of all thumbnails but does not remove them from the thumb_dict or thumb_list . |
24,799 | def load_nddata ( self , ndd , naxispath = None ) : self . clear_metadata ( ) ahdr = self . get_header ( ) ahdr . update ( ndd . meta ) self . setup_data ( ndd . data , naxispath = naxispath ) if ndd . wcs is None : self . wcs = wcsmod . WCS ( logger = self . logger ) self . wcs . load_header ( ahdr ) else : wcsinfo = ... | Load from an astropy . nddata . NDData object . |
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