bugfix

kivyblocks/blocks.pyold

@@ -0,0 +1,748 @@
+import os
+import sys
+import codecs
+import json
+from traceback import print_exc
+
+import kivy
+from functools import partial
+
+from appPublic.dictExt import dictExtend
+from appPublic.folderUtils import ProgramPath
+from appPublic.dictObject import DictObject
+from appPublic.Singleton import SingletonDecorator, GlobalEnv
+from appPublic.datamapping import keyMapping
+from appPublic.registerfunction import RegisterFunction
+
+from kivy.logger import Logger
+from kivy.config import Config
+from kivy.metrics import sp,dp,mm
+from kivy.core.window import WindowBase, Window
+from kivy.properties import BooleanProperty
+from kivy.uix.widget import Widget
+from kivy.app import App
+from kivy.factory import Factory
+from kivy.uix.video import Video
+from .baseWidget import *
+from .toolbar import *
+from .dg import DataGrid
+from .utils import *
+from .serverImageViewer import ServerImageViewer
+from .vplayer import VPlayer
+from .form import InputBox, Form, StrSearchForm
+from .boxViewer import BoxViewer
+from .tree import Tree, TextTree
+from .newvideo import Video
+from .bgcolorbehavior import BGColorBehavior
+from .orientationlayout import OrientationLayout
+from .threadcall import HttpClient
+from .register import *
+
+def showError(e):
+	print('error',e)
+
+class WidgetNotFoundById(Exception):
+	def __init__(self, id):
+		super().__init__()
+		self.idstr = id
+	
+	def __str__(self):
+		return "Widget not found by id:" + self.idstr + ':'
+
+	def __expr__(self):
+		return str(self)
+
+class ClassMethodNotFound(Exception):
+	def __init__(self,k,m):
+		super().__init__()
+		self.kname = k
+		self.mname = m
+
+	def __str__(self):
+		s = 'Method(%s) not found in class(%s)' % (self.mname,
+					str(self.kname.__classname__))
+		return s
+	
+	def __expr__(self):
+		return self.__str__()
+
+	
+class NotExistsObject(Exception):
+	def __init__(self,name):
+		super().__init__()
+		self.name = name
+
+	def __str__(self):
+		s = 'not exists widget(%s)' % self.name
+		return s
+	
+	def __expr__(self):
+		return self.__str__()
+
+class ArgumentError(Exception):
+	def __init__(self,argument,desc):
+		super().__init__()
+		self.argument = argument
+		self.desc = desc
+	
+	def __str__(self):
+		s = 'argument(%s) missed:%s' % (self.argument,self.desc)
+		return s
+	
+	def __expr__(self):
+		return self.__str__()
+
+
+class NotRegistedWidget(Exception):
+	def __init__(self,name):
+		super().__init__()
+		self.widget_name = name
+
+	def __str__(self):
+		s = 'not reigsted widget(%s)' % self.name
+		return s
+	
+	def __expr__(self):
+		return self.__str__()
+
+def registerWidget(name,widget):
+	globals()[name] = widget
+
+
+class Blocks(EventDispatcher):
+	def __init__(self):
+		EventDispatcher.__init__(self)
+		self.action_id = 0
+		self.register_event_type('on_built')
+		self.register_event_type('on_failed')
+		self.env = GlobalEnv()
+
+	def set(self,k,v):
+		self.env[k] = v
+	
+	def register_widget(self,name,widget):
+		globals()[name] = widget
+
+	def buildAction(self,widget,desc):
+		conform_desc = desc.get('conform')
+		blocks = Blocks()
+		if not conform_desc:
+			return partial(blocks.uniaction, widget, desc)
+		l = {
+		}
+		body="""def action(widget, *args, **kw):
+	jsonstr='''%s'''
+	desc = json.loads(jsonstr)
+	conform_desc = desc.get('conform')
+	blocks = Blocks()
+	if not conform_desc:
+		blocks.uniaction(widget, desc,*args, **kw)
+		return
+	w = blocks.widgetBuild({
+		"widgettype":"Conform",
+		"options":conform_desc
+	})
+	w.bind(on_conform=partial(blocks.uniaction, widget, desc))
+	w.open()
+	print('Conform show.....')
+""" % (json.dumps(desc))
+		exec(body,globals(),l)
+		f = l.get('action',None)
+		if f is None:
+			raise Exception('None Function')
+		func =partial(f,widget)
+		return func
+		
+	def eval(self,s,l):
+		g = {}
+		forbidens = [
+			"os",
+			"sys",
+			"codecs",
+			"json",
+		]
+
+		for k,v in globals().copy().items():
+			if k not in forbidens:
+				g[k] = v
+
+		g['__builtins__'] = globals()['__builtins__'].copy()
+		g['__builtins__']['__import__'] = None
+		g['__builtins__']['__loader__'] = None
+		g['__builtins__']['open'] = None
+		g.update(self.env)
+		return eval(s,g,l)
+
+	def getUrlData(self,url,method='GET',params={}, files={},
+					callback=None,
+					errback=None,**kw):
+
+		if url is None:
+			if errback:
+				errback(None,Exception('url is None'))
+			else:
+				return None
+
+		if url.startswith('file://'):
+			filename = url[7:]
+			with codecs.open(filename,'r','utf-8') as f:
+				b = f.read()
+				dic = json.loads(b)
+				return dic
+		elif url.startswith('http://') or url.startswith('https://'):
+			try:
+				hc = HttpClient()
+				resp=hc(url,method=method,params=params,files=files)
+				# print('Blocks.py :resp=',resp)
+				return resp
+			except Exception as e:
+				print_exc()
+				if errback:
+					return errback(None,e)
+				return None
+		else:
+			config = getConfig()
+			url = config.uihome + url
+			return self.getUrlData(url,method=method,
+					params=params,
+					files=files,
+					**kw)
+
+	def strValueExpr(self,s:str,localnamespace:dict={}):
+		if not s.startswith('py::'):
+			return s
+		s = s[4:]
+		try:
+			v = self.eval(s,localnamespace)
+			return v
+		except Exception as e:
+			print('Exception .... ',e,'script=',s)
+			print_exc()
+			return s
+
+	def arrayValueExpr(self,arr:list,localnamespace:dict={}):
+		d = []
+		for v in arr:
+			if type(v) == type(''):
+				d.append(self.strValueExpr(v,localnamespace))
+				continue
+			if type(v) == type([]):
+				d.append(self.arrayValueExpr(v,localnamespace))
+				continue
+			if type(v) == type({}):
+				d.append(self.dictValueExpr(v,localnamespace))
+				continue
+			if type(v) == type(DictObject):
+				d.append(self.dictValueExpr(v,localnamespace))
+				continue
+			d.append(v)
+		return d
+
+	def dictValueExpr(self,dic:dict,localnamespace:dict={}):
+		d = {}
+		for k,v in dic.items():
+			if type(v) == type(''):
+				d[k] = self.strValueExpr(v,localnamespace)
+				continue
+			if type(v) == type([]):
+				d[k] = self.arrayValueExpr(v,localnamespace)
+				continue
+			if type(v) == type({}):
+				d[k] = self.dictValueExpr(v,localnamespace)
+				continue
+			if type(v) == type(DictObject):
+				d[k] = self.dictValueExpr(v,localnamespace)
+				continue
+			d[k] = v
+		return d
+	def valueExpr(self,obj,localnamespace={}):
+		if type(obj) == type(''):
+			return self.strValueExpr(obj,localnamespace)
+		if type(obj) == type([]):
+			return self.arrayValueExpr(obj,localnamespace)
+		if type(obj) == type({}):
+			return self.dictValueExpr(obj,localnamespace)
+		if isinstance(obj,DictObject):
+			return self.dictValueExpr(obj,localnamespace)
+		return obj
+
+	def w_build(self,desc:dict):
+		# print('w_build(),desc=',desc)
+		widgetClass = desc.get('widgettype',None)
+		if not widgetClass:
+			Logger.info("Block: w_build(), desc invalid", desc)
+			raise Exception(desc)
+
+		widgetClass = desc['widgettype']
+		opts = self.valueExpr(desc.get('options',{}).copy())
+		widget = None
+		try:
+			klass = Factory.get(widgetClass)
+			widget = klass(**opts)
+		except Exception as e:
+			print('Error:',widgetClass,'contructon error')
+			print_exc()
+			raise NotExistsObject(widgetClass)
+
+		if desc.get('id'):
+			id = desc.get('id')
+			if id.startswith('app.'):
+				app = App.get_running_app()
+				id = id[4:]
+				setattr(app, id, widget)
+			if id.startswith('root.'):
+				app = App.get_running_app()
+				id = id[5:]
+				setattr(app.root, id, widget)
+				
+			if '.' in id:
+				Logger.info('widget id(%s) can not contain "."', id)
+			else:
+				widget.widget_id = id
+		
+		widget.build_desc = desc
+		self.build_attributes(widget,desc)
+		self.build_rest(widget,desc)
+		return widget
+		
+	def build_attributes(self,widget,desc,t=None):
+		excludes = ['widgettype','options','subwidgets','binds']
+		for k,v in [(k,v) for k,v in desc.items() if k not in excludes]:
+			if isinstance(v,dict) and v.get('widgettype'):
+				b = Blocks()
+				v = self.valueExpr(v, localnamespace={'self':widget})
+				w = b.w_build(v)
+				if hasattr(widget,k):
+					aw = getattr(widget,k)
+					if isinstance(aw,Layout):
+						aw.add_widget(w)
+						continue
+				setattr(widget,k,w)
+				continue
+			setattr(widget,k,self.valueExpr(v,\
+						localnamespace={'self':widget}))
+
+	def build_rest(self, widget,desc,t=None):
+		self.subwidget_total = len(desc.get('subwidgets',[]))
+		self.subwidgets = [ None for i in range(self.subwidget_total)]
+		pos = 0
+		for pos,sw in enumerate(desc.get('subwidgets',[])):
+			b = Blocks()
+			kw = self.valueExpr(sw.copy(), 
+						localnamespace={'self':widget})
+			w = b.widgetBuild(kw)
+			widget.add_widget(w)
+
+		for b in desc.get('binds',[]):
+			kw = self.valueExpr(b.copy(), \
+						localnamespace={'self':widget})
+			self.buildBind(widget,kw)
+
+	def buildBind(self,widget,desc):
+		wid = desc.get('wid','self')
+		w = Blocks.getWidgetById(desc.get('wid','self'),from_widget=widget)
+		if not w:
+			Logger.info('Block: %s %s',desc.get('wid','self'),
+							'not found via Blocks.getWidgetById()')
+			return
+		event = desc.get('event')
+		if event is None:
+			Logger.info('Block: binds desc miss event, desc=%s',str(desc))
+			return
+		f = self.buildAction(widget,desc)
+		if f is None:
+			Logger.info('Block: get a null function,%s',str(desc))
+			return
+		w.bind(**{event:f})
+		# Logger.info('Block: %s bind built', str(desc))
+	
+	def multipleAction(self, widget, desc, *args):
+		desc1 = {k:v for k, v in desc.items() if k != 'actions'}
+		mydesc = desc1.copy()
+		for a in desc['actions']:
+			new_desc = mydesc.copy()
+			new_desc.update(a)
+			self.uniaction(widget,new_desc, *args)
+
+	def uniaction(self,widget,desc, *args):
+		Logger.info('Block: uniaction() called, desc=%s', str(desc))
+			
+		acttype = desc.get('actiontype')
+		if acttype=='blocks':
+			return self.blocksAction(widget,desc, *args)
+		if acttype=='urlwidget':
+			return self.urlwidgetAction(widget,desc, *args)
+		if acttype == 'registedfunction':
+			return self.registedfunctionAction(widget,desc, *args)
+		if acttype == 'script':
+			return self.scriptAction(widget, desc, *args)
+		if acttype == 'method':
+			return self.methodAction(widget, desc, *args)
+		if acttype == 'event':
+			return self.eventAction(widget, desc, *args)
+		if acttype == 'multiple':
+			return self.multipleAction(widget, desc, *args)
+
+		alert("actiontype(%s) invalid" % acttype,title='error')
+
+	def eventAction(self, widget, desc, *args):
+		target = self.get_target(widget, desc)
+		event = desc.get('dispatch_event')
+		if not event:
+			Logger.info('Block: eventAction():desc(%s) miss dispatch_event',
+							str(desc))
+			return
+		params = desc.get('params',{})
+		d = self.getActionData(widget,desc, *args)
+		if d:
+			params.update(d)
+		try:
+			target.dispatch(event, params)
+		except Exception as e:
+			Logger.info(f'Block: eventAction():dispatch {event} error')
+			print_exc()
+			return
+		
+	def get_target(self, widget, desc):
+		if not desc.get('target'):
+			return None
+		return Blocks.getWidgetById(desc.get('target'),from_widget=widget)
+
+	def blocksAction(self,widget,desc, *args):
+		target = self.get_target(widget, desc)
+		add_mode = desc.get('mode','replace')
+		opts = desc.get('options').copy()
+		d = self.getActionData(widget,desc, *args)
+		p = opts.get('options',{}).copy()
+		if d:
+			p.update(d)
+		opts['options'] = p
+		def doit(target,add_mode,o,w):
+			if target:
+				if add_mode == 'replace':
+					target.clear_widgets()
+				target.add_widget(w)
+
+		def doerr(o,e):
+			Logger.info('Block: blocksAction(): desc=%s widgetBuild error'
+								,str(desc))
+			raise e
+
+		b = Blocks()
+		b.bind(on_built=partial(doit,target,add_mode))
+		b.bind(on_failed=doerr)
+		b.widgetBuild(opts)
+		
+	def urlwidgetAction(self,widget,desc, *args):
+		target = self.get_target(widget, desc)
+		add_mode = desc.get('mode','replace')
+		opts = desc.get('options').copy()
+		p = opts.get('params',{}).copy()
+		if len(args) >= 1 and isinstance(args[0],dict):
+			p.update(args[0])
+		d = self.getActionData(widget, desc, *args)
+		if d:
+			p.update(d)
+		opts['params'] = p
+		d = {
+			'widgettype' : 'urlwidget',
+			'options': opts
+		}
+
+		def doit(target,add_mode,o,w):
+			if target:
+				if add_mode == 'replace':
+					target.clear_widgets()
+				target.add_widget(w)
+
+		def doerr(o,e):
+			Logger.info('Block: urlwidgetAction(): desc=%s widgetBuild error'
+								,str(desc))
+
+		b = Blocks()
+		b.bind(on_built=partial(doit,target,add_mode))
+		b.bind(on_failed=doerr)
+		b.widgetBuild(d)
+			
+	def getActionData(self,widget,desc,*args):
+		data = {}
+		rtdesc = self.build_rtdesc(desc)
+		rt = self.get_rtdata(widget, rtdesc, *args)
+		data.update(rt)
+		if desc.get('keymapping'):
+			data = keyMapping(data, desc.get('keymapping'))
+		return data
+
+	def registedfunctionAction(self, widget, desc, *args):
+		target = self.get_target(widget, desc)
+		rf = RegisterFunction()
+		name = desc.get('rfname')
+		func = rf.get(name)
+		if func is None:
+			Logger.info('Block: desc=%s rfname(%s) not found', 
+						str(desc), name)
+			raise Exception('rfname(%s) not found' % name)
+
+		params = desc.get('params',{}).copy()
+		d = self.getActionData(widget,desc, *args)
+		if d:
+			params.update(d)
+		func(target, *args, **params)
+
+	def scriptAction(self, widget, desc, *args):
+		script = desc.get('script')
+		if not script:
+			Logger.info('Block: scriptAction():desc(%s) target not found',
+							str(desc))
+			return 
+		target = self.get_target(widget, desc)
+		d = self.getActionData(widget,desc, *args)
+		ns = {
+			"self":target,
+			"args":args
+		}
+		if d:
+			ns.update(d)
+		try:
+			self.eval(script, ns)
+		except Exception as e:
+			print_exc()
+			print(e)
+
+	def build_rtdesc(self, desc):
+		rtdesc = desc.get('rtdata')
+		if not rtdesc:
+			if desc.get('datawidget'):
+				rtdesc = {}
+				rtdesc['target'] = desc['datawidget']
+				if desc.get('datascript'):
+					rtdesc['script'] = desc.get('datacript')
+				else:
+					rtdesc['method'] = desc.get('datamethod', 'getValue')
+				rtdesc['kwargs'] = desc.get('datakwargs', {})
+			else:
+				return {}
+		return rtdesc
+
+	def get_rtdata(self, widget, desc, *args):
+		"""
+		desc descript follow attributes
+		{
+			"target", a target name from widget
+			"method", a method name, default is 'getValue',
+			"script", script to handle the data
+			"kwargs":" a dict arguments, default is {}
+		}
+		"""
+		
+		if desc is None or desc == {}:
+			print('get_rtdata():desc is None')
+			return {}
+		kwargs = desc.get('kwargs', {})
+		if not isinstance(kwargs, dict):
+			kwargs = {}
+		w = None
+		if len(args) > 0:
+			w = args[0]
+		target = desc.get('target')
+		if target:
+			w = self.getWidgetById(target, from_widget=widget)
+		if w is None:
+			print('get_rtdata():w is None', desc)
+			return {}
+		script = desc.get('script')
+		if script:
+			ns = {
+				"self":w,
+				"args":args,
+				"kwargs":kwargs
+			}
+			d = self.eval(script, ns)
+			return d
+
+		method = desc.get('method', 'getValue')
+		if not hasattr(w, method):
+			print('get_rtdata():method is None', desc, type(w))
+			return {}
+		f = getattr(w, method)
+		try:
+			r = f(**kwargs)
+			if isinstance(r, dict):
+				return r
+			if isinstance(r, DictObject):
+				return r.to_dict()
+			print('get_rtdata():method return is not dict', desc, 'ret=', r, type(r))
+			return {}
+		except:
+			print_exc()
+			return {}
+
+	def methodAction(self, widget, desc, *args):
+		method = desc.get('method')
+		target = self.get_target(widget, desc)
+		if target is None:
+			Logger.info('Block: methodAction():desc(%s) target not found',
+							str(desc))
+			return
+		if method is None:
+			Logger.info('Block: methodAction():desc(%s) method not found',
+							str(desc))
+			return
+		if hasattr(target,method):
+			f = getattr(target, method)
+			kwargs = desc.get('options',{}).copy()
+			d = self.getActionData(widget,desc, *args)
+			if d:
+				kwargs.update(d)
+			f(*args, **kwargs)
+		else:
+			alert('%s method not found' % method)
+
+	def widgetBuild(self,desc):
+		"""
+		desc format:
+		{
+			widgettype:<registered widget>,
+			id:widget id,
+			options:{}
+			subwidgets:[
+			]
+			binds:[
+			]
+		}
+		"""
+		def doit(desc):
+			if isinstance(desc,DictObject):
+				desc = desc.to_dict()
+			if not isinstance(desc,dict):
+				Logger.info('Block: desc(%s) must be a dict object(%s)',
+							desc,type(desc))
+				return None
+
+			# desc = self.valueExpr(desc)
+			try:
+				widget = self.w_build(desc)
+				self.dispatch('on_built',widget)
+				if hasattr(widget,'ready'):
+					widget.ready = True
+				return widget
+			except Exception as e:
+				print_exc()
+				self.dispatch('on_failed',e)
+				return None
+
+		if isinstance(desc,DictObject):
+			desc = desc.to_dict()
+		if not isinstance(desc, dict):
+			print('widgetBuild1: desc must be a dict object',
+						desc,type(desc))
+			self.dispatch('on_failed',Exception('miss url'))
+			return
+
+		widgettype = desc.get('widgettype')
+		while widgettype == "urlwidget":
+			opts = desc.get('options',{}).copy()
+			extend = desc.get('extend')
+			addon = None
+			if desc.get('extend'):
+				addon = desc.get('extend').copy()
+			url = opts.get('url')
+			if url is None:
+				self.dispatch('on_failed',Exception('miss url'))
+				return
+			
+			if opts.get('url'):
+				del opts['url']
+			rtdesc = self.build_rtdesc(opts)
+			if rtdesc:
+				rtdata = self.get_rtdata(None, rtdesc)
+				params = opts.get('params', {})
+				params.update(rtdata)
+				opts['params'] = params
+
+			desc = self.getUrlData(url,**opts)
+			if not (isinstance(desc, DictObject) or \
+							isinstance(desc, dict)):
+				print('Block2: desc must be a dict object',
+								desc,type(desc))
+				self.dispatch('on_failed',Exception('miss url'))
+				return
+
+			if addon:
+				desc = dictExtend(desc,addon)
+			widgettype = desc.get('widgettype')
+		if widgettype is None:
+			print('Block3: desc must be a dict object not None')
+			return None
+		return doit(desc)
+	
+	@classmethod
+	def getWidgetById(self,id,from_widget=None):
+		def find_widget_by_id(id, from_widget):
+			if id=='self':
+				return from_widget
+			if hasattr(from_widget,'widget_id'):
+				if from_widget.widget_id == id:
+					return from_widget
+				if id[0] == '-' and from_widget.widget_id == id[1:]:
+					return from_widget
+			if hasattr(from_widget, id):
+				w = getattr(from_widget,id)
+				return w
+
+			if id[0] == '-':
+				print('find_widget_by_id(), id=', id, 
+							'widget=', from_widget)
+				if isinstance(from_widget, WindowBase):
+					return None
+				if from_widget.parent:
+					return find_widget_by_id(id, 
+							from_widget=from_widget.parent)
+				return None
+			else:
+				for c in from_widget.children:
+					ret = find_widget_by_id(id,from_widget=c)
+					if ret:
+						return ret
+			return None
+
+		ids = id.split('.')
+		app = App.get_running_app()
+		fid = ids[0]
+		if fid == '/self' or fid == 'root':
+			from_widget = app.root
+			if len(ids) == 1:
+				return from_widget
+			ids = ids[1:]
+		if fid == 'Window':
+			from_widget == Window
+			if len(ids) == 1:
+				return from_widget
+			ids = ids[1:]
+		if fid == 'app':
+			return app
+
+		if from_widget is None:
+			from_widget = app.root
+		for id in ids:
+			w = find_widget_by_id(id,from_widget=from_widget)
+			if w is None \
+					and id == ids[0] \
+					and Window.fullscreen == True \
+					and app.root != app.fs_widget:
+				w = find_widget_by_id(id, app.fs_widget)
+			if w is None:
+				print(id, 'not found ....')
+				return None
+			from_widget = w
+		return w
+
+	def on_built(self,v=None):
+		return
+
+	def on_failed(self,e=None):
+		return
+
+Factory.register('Blocks',Blocks)
+Factory.register('Video',Video)
+Factory.register('OrientationLayout', OrientationLayout)

kivyblocks/toolbar.py

@@ -135,10 +135,8 @@ class Toolbar(ScrollPanel):
 		print(w, 'children=', len(w.children))
 		if t.get('deletable', False):
 			x = ClickableImage(source=blockImage('delete.png'),
-							img_kw={
+							size_hint=(None,None),
-								"size_hint":(None, None),
+							size=CSize(1,1)
-								"size":CSize(1,1)
-							}
 						)
 			x.data = (w, t)
 			x.bind(on_press=self.delete_tool)