应用程序拖放问题

时间:2018-06-27 21:05:26

标签: python matplotlib wxpython

我写了一个python脚本,允许您将数据文件拖放到gui上,然后对其进行绘制。我最初在Ubuntu上编写和测试了脚本,并且一切正常。但是,当我在Windows 10上运行相同的脚本时,它不允许我删除文件(光标变为停止符号)。

我真的找不到解决此问题的方法。

import wx
import re
import tempfile
import numpy as np
import matplotlib.pyplot as plt

class PlottingManager():

    def plotData(self,filename, xcol, ycol):
        [tx,ty] = self.getData(filename,xcol,ycol)
        plt.plot(tx, ty)

    def getData(self,filename, xcol, ycol):
        # print "Plotting : ", str(filename)
        fileIn = open(filename,'r')
        fileStr = fileIn.read()
        csvType = False
        if ',' in fileStr:
            csvType = True
        if csvType:

            data = np.genfromtxt(filename, unpack=True, delimiter=',')
        else:
            fileStr = re.sub('\s+', ' ', fileStr).strip()
            fp = tempfile.NamedTemporaryFile()
            fp.write(fileStr)
            data = np.genfromtxt(filename, unpack=True)

        tx = data[xcol]
        ty = data[ycol]
        return [tx,ty]

    def showPlot(self): #Function that calls plt.show()
        plt.grid(True);
        plt.legend();
        plt.ion()
        plt.show()

MENU_FILE_EXIT = wx.NewId()
DRAG_SOURCE    = wx.NewId()

class PlotFileDropTarget(wx.TextDropTarget):
    def __init__(self, PlottingManager, obj):
        wx.TextDropTarget.__init__(self)
        self.obj = obj
        self.plotManager = PlottingManager

    def OnDropText(self, x, y, data):
        self.obj.WriteText("Will plot | "+ data[7:-2] + '\n\n')
        self.plotManager.plotData(data[7:-2],0,1)
        self.plotManager.showPlot()

class MainWindow(wx.Frame):
    def __init__(self,parent,id,title):
        wx.Frame.__init__(self,parent, wx.ID_ANY, title, size = (750,600), style=wx.DEFAULT_FRAME_STYLE|wx.NO_FULL_REPAINT_ON_RESIZE)
        self.SetBackgroundColour(wx.WHITE)
        # Setup plotting manager
        self.plotManager = PlottingManager()
        # setup dragdrop box
        self.text = wx.TextCtrl(self, DRAG_SOURCE, "", pos=(0,0), size=(750,200), style = wx.TE_MULTILINE|wx.HSCROLL)
        self.dt1 = PlotFileDropTarget(self.plotManager,self.text)
        self.text.SetDropTarget(self.dt1)

        wx.EVT_RIGHT_DOWN(self.text, self.OnDragInit)
        self.Show()

    def CloseWindow(self, event):
        self.Close()

    def OnDragInit(self, event):
        tdo = wx.PyTextDataObject(self.text.GetStringSelection())
        tds = wx.DropSource(self.text)
        tds.SetData(tdo)
        tds.DoDragDrop(True)

class DropPlot(wx.App):
    def OnInit(self):
        frame = MainWindow(None, -1, "Drag data to plot")
        self.SetTopWindow(frame)
        return True

# main loop
app = DropPlot(0)
app.MainLoop()

这里是一个数据文件,可以对其进行测试:

-0.0000000000 0.0000000000
-0.0108492172 0.1583380438
-0.0216984343 0.3166760876
-0.0325476515 0.4750141313
-0.0433968686 0.6333521751
-0.0542460858 0.7916902189
-0.0650953029 0.9500282627
-0.0759445201 1.1083663065
-0.0867937372 1.2667043503
-0.0976429544 1.4250423940
-0.1084921715 1.5833804378
-0.1193413887 1.7417184816
-0.1301906058 1.9000565254
-0.1410398230 2.0583945692
-0.1518890401 2.2167326130
-0.1627382573 2.3750706567
-0.1735874745 2.5334087005
-0.1844366916 2.6917467443
-0.1952859088 2.8500847881
-0.2061351259 3.0084228319
-0.2169843431 3.1667608756
-0.2278335602 3.3250989194
-0.2386827774 3.4834369632
-0.2495319945 3.6417750070
-0.2603812117 3.8001130508
-0.2712304288 3.9584510946
-0.2820796460 4.1167891383
-0.2929288631 4.2751271821
-0.3037780803 4.4334652259
-0.3146272974 4.5918032697
-0.3254765146 4.7501413135
-0.3363257317 4.9084793573
-0.3471749489 5.0668174010
-0.3580241661 5.2251554448
-0.3688733832 5.3834934886
-0.3797226004 5.5418315324
-0.3905718175 5.7001695762
-0.4014210347 5.8585076199
-0.4122702518 6.0168456637
-0.4231194690 6.1751837075
-0.4339686861 6.3335217513
-0.4448179033 6.4918597951
-0.4556671204 6.6501978389
-0.4665163376 6.8085358826
-0.4773655547 6.9668739264
-0.4882147719 7.1252119702
-0.4990639890 7.2835500140
-0.5099132062 7.4418880578
-0.5207624234 7.6002261016
-0.5316116405 7.7585641453
-0.5424608577 7.9169021891
-0.5533100748 8.0752402329
-0.5641592920 8.2335782767
-0.5750085091 8.3919163205
-0.5858577263 8.5502543642
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-0.6075561606 8.8669304518
-0.6184053777 9.0252684956
-0.6292545949 9.1836065394
-0.6401038120 9.3419445832
-0.6509530292 9.5002826269
-0.6618022463 9.6586206707
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-0.6835006806 9.9752967583
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-0.7160483321 10.4503108896
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-0.7702944179 11.2420011085
-0.7811436350 11.4003391523
-0.7919928522 11.5586771961
-0.8028420693 11.7170152399
-0.8136912865 11.8753532837
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-0.8353897208 12.1920293712
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-0.9004850237 13.1420576339
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-1.0089771952 14.7254380718
-1.0198264124 14.8837761155
-1.0306756296 15.0421141593
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-1.0957709325 15.9921424220
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-1.2341521284 16.7799583746
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-1.2895046067 17.0950847556
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-1.3448570851 17.4102111367
-1.3725333243 17.5677743272
-1.4002095634 17.7253375177
-1.4278858026 17.8829007082
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-1.5385907593 18.5131534703
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-1.8430293903 20.2463485660
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-4.1062552990 27.3567219202
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-4.3120630353 27.6085617007
-4.3073717956 27.4494382448
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-3.6036858393 3.5809198578
-3.5989945996 3.4217964019
-3.5943033599 3.2626729460
-3.5896178116 3.1035494901 

0 个答案:

没有答案