質問編集履歴
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追加
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@@ -60,12 +60,65 @@
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表示文字列の設定はスレッドで、tkinterウィジェット操作はafterで処理するように変更
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after()をサブスレッドから呼び出し（これもダメか･･･）
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```Python
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import tkinter as tk
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import threading
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import queue
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def func1():
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global flag, labels, win
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cnt = 0
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while flag:
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txt = str(cnt)
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win.after_idle(lambda:func2(txt))
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cnt += 1
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def func2(txt):
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global labels
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for i in range(150):
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labels[i]["text"] = txt
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def close():
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global flag, thread, win
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flag = False
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thread.join()
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win.destroy()
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if __name__ == "__main__":
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win = tk.Tk()
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row = 15
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column = 10
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labels = []
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for i in range(row):
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for j in range(column):
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label = tk.Label(win)
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label.grid(row=i, column=j)
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labels.append(label)
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flag = True
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thread = threading.Thread(target=func1)
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thread.start()
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win.protocol("WM_DELETE_WINDOW", close)
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win.mainloop()
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```
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afterの呼び出しをサブスレッドからメインスレッドに変更
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（これは上手くいっている？）
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```Python
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import tkinter as tk
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import threading
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import time
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import queue
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7
試験的なソースコードを変更
title
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File without changes
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body
CHANGED
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@@ -60,95 +60,54 @@
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60
60
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61
61
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62
62
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63
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-
tkinterウィジェット操作
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63
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+
表示文字列の設定はスレッドで、tkinterウィジェット操作はafterで処理するように変更
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64
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-
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64
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+
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65
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66
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```Python
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-
import csv
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67
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-
import os
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68
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-
import
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import tkinter as tk
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import threading
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import time
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71
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import tkinter as tk
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import
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import queue
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def
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def loop():
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global data, flag
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-
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cnt = 0
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while flag:
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-
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data.put(str(cnt))
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cnt += 1
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time.sleep(0.1)
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def disp():
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global data, flag, label1, label2
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while not data.empty():
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-
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tmp = data.get()
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-
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label1["text"] = tmp
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label2["text"] = tmp
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win.after(10, disp) # 指定時間[ms]はloop()の更新時間[s]より短くしないと、while not data.empty()で瞬間的に処理されてしまう
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def close():
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global flag, thread, win
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while flag:
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file = os.path.dirname(sys.argv[0]) + "/test.csv"
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tmp = []
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with open(file, "r", encoding="utf8") as rf:
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f = csv.reader(rf, lineterminator="\r\n")
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flag = False
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thread.join()
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#print(tmp)
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win.destroy()
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time.sleep(0.001)
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def close():
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nonlocal flag, thread
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flag = False
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thread.join()
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win.destroy()
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win = tk.Tk()
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labels = []
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104
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for i in range(4):
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for j in range(5):
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data = queue.Queue()
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label.grid(row=i, column=j)
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labels.append(label)
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98
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-
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label1 = tk.Label(win)
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111
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-
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label1.grid()
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label2 = tk.Label(win)
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label2.grid()
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103
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113
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-
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flag = True
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thread = threading.Thread(target=loop)
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115
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-
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thread.start()
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116
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print(tmp)
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117
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for i in range(20):
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118
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if not flag:
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return
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120
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labels[i]["text"] = tmp[i]
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win.update_idletasks()
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else:
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win.update()
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time.sleep(0.001)
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107
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# winが存在する（破棄されていない）場合はdisp()を実行
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win.after_idle(disp) # labelを破棄する予定はないので、winでafter設定
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110
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win.protocol("WM_DELETE_WINDOW", close)
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win.mainloop()
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```
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131
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test.csv
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133
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```csv
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134
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1,100
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135
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2,100
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136
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3,100
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137
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4,100
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138
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5,100
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139
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6,100
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140
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7,100
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141
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8,100
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142
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9,100
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143
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10,100
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144
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11,100
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145
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12,100
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146
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13,100
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147
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14,100
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148
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15,100
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149
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16,100
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150
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17,100
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151
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18,100
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152
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19,100
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153
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20,100
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154
113
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```
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6
修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -61,7 +61,7 @@
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61
61
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62
62
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63
63
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tkinterウィジェット操作をメインスレッドで処理するように変更
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64
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-
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64
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+
うまく動作してはいない（test.csvの値を変えてもtkinterの表示が変わらない→キューによるデータの受け渡し部分が怪しい）
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65
65
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```Python
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66
66
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import csv
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67
67
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import os
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@@ -126,4 +126,29 @@
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126
126
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127
127
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if __name__ == '__main__':
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128
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main()
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129
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+
```
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130
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131
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test.csv
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132
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133
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```csv
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134
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1,100
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135
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+
2,100
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136
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+
3,100
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137
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4,100
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138
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5,100
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139
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6,100
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140
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+
7,100
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141
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8,100
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142
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9,100
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143
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10,100
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144
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+
11,100
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145
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+
12,100
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146
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+
13,100
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147
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+
14,100
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148
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+
15,100
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149
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+
16,100
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150
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+
17,100
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151
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18,100
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152
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19,100
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153
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20,100
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129
154
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```
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5
修正
title
CHANGED
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@@ -1,1 +1,1 @@
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1
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-
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1
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+
Python3 Tkinter スレッドで応答なしになる
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body
CHANGED
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@@ -60,7 +60,8 @@
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60
60
|
|
|
61
61
|
|
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62
62
|
|
|
63
|
+
tkinterウィジェット操作をメインスレッドで処理するように変更
|
|
63
|
-
|
|
64
|
+
（うまく動作してはいない）
|
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64
65
|
```Python
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|
65
66
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import csv
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66
67
|
import os
|
4
追加
title
CHANGED
|
@@ -1,1 +1,1 @@
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1
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-
Python3 Tkinter スレッドで応答なしになる
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1
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+
いｐPython3 Tkinter スレッドで応答なしになる
|
body
CHANGED
|
@@ -58,4 +58,71 @@
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58
58
|
ウィンドウを閉じた後にスレッドの処理をしようとしてエラーになったり、
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59
59
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VSCodeで終わっていないような振る舞い（添付画像）をします。
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|
60
60
|
|
|
61
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-
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61
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+
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62
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+
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63
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+
上手くいかない
|
|
64
|
+
```Python
|
|
65
|
+
import csv
|
|
66
|
+
import os
|
|
67
|
+
import queue
|
|
68
|
+
import threading
|
|
69
|
+
import time
|
|
70
|
+
import tkinter as tk
|
|
71
|
+
import sys
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|
72
|
+
|
|
73
|
+
def main():
|
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74
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+
flag = True
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75
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+
data = queue.Queue()
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|
76
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+
|
|
77
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+
win = tk.Tk()
|
|
78
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+
win.geometry("200x100")
|
|
79
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+
|
|
80
|
+
def loop():
|
|
81
|
+
nonlocal flag, data
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|
82
|
+
while flag:
|
|
83
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+
file = os.path.dirname(sys.argv[0]) + "/test.csv"
|
|
84
|
+
tmp = []
|
|
85
|
+
with open(file, "r", encoding="utf8") as rf:
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86
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+
f = csv.reader(rf, lineterminator="\r\n")
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87
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+
for row in f:
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88
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+
tmp.append(row[1])
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89
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+
#print(tmp)
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90
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+
data.put(tmp)
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91
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+
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92
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+
time.sleep(0.001)
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93
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+
|
|
94
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+
def close():
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|
95
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+
nonlocal flag, thread
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|
96
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+
flag = False
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|
97
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+
thread.join()
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|
98
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+
win.destroy()
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|
99
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+
|
|
100
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+
win.protocol("WM_DELETE_WINDOW", close)
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|
101
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+
|
|
102
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+
labels = []
|
|
103
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+
for i in range(4):
|
|
104
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+
for j in range(5):
|
|
105
|
+
label = tk.Label(win)
|
|
106
|
+
label.grid(row=i, column=j)
|
|
107
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+
labels.append(label)
|
|
108
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+
|
|
109
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+
thread = threading.Thread(target=lambda:loop())
|
|
110
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+
thread.start()
|
|
111
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+
|
|
112
|
+
while True:
|
|
113
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+
while not data.empty():
|
|
114
|
+
tmp = data.get()
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|
115
|
+
print(tmp)
|
|
116
|
+
for i in range(20):
|
|
117
|
+
if not flag:
|
|
118
|
+
return
|
|
119
|
+
labels[i]["text"] = tmp[i]
|
|
120
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+
win.update_idletasks()
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|
121
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+
else:
|
|
122
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+
win.update()
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|
123
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+
time.sleep(0.001)
|
|
124
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+
|
|
125
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+
|
|
126
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+
if __name__ == '__main__':
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127
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+
main()
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|
128
|
+
```
|
3
修正
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -25,7 +25,7 @@
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|
|
25
25
|
cnt = 0
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|
26
26
|
while flag:
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|
27
27
|
for i in range(150):
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|
28
|
-
labels[i]["text"] = cnt
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|
28
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+
labels[i]["text"] = str(cnt)
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|
29
29
|
cnt += 1
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|
30
30
|
time.sleep(0.1)
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|
31
31
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|
2
追加
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -52,4 +52,10 @@
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|
|
52
52
|
|
|
53
53
|
win.protocol("WM_DELETE_WINDOW", close)
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54
54
|
win.mainloop()
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|
55
|
-
```
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|
55
|
+
```
|
|
56
|
+
|
|
57
|
+
thread.join()を消すと応答なしにはなりませんが、
|
|
58
|
+
ウィンドウを閉じた後にスレッドの処理をしようとしてエラーになったり、
|
|
59
|
+
VSCodeで終わっていないような振る舞い（添付画像）をします。
|
|
60
|
+
|
|
61
|
+
|
1
追加
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -7,7 +7,11 @@
|
|
|
7
7
|
|
|
8
8
|
time.sleep()の値を増やしたら少しは軽くなりましたが、
|
|
9
9
|
この値はあまり増やしたくはありません。
|
|
10
|
+
（スレッドをもっと生成して、処理を分散させるべき？）
|
|
10
11
|
|
|
12
|
+
対処方法はありますか？
|
|
13
|
+
|
|
14
|
+
|
|
11
15
|
Windowsです。
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|
12
16
|
|
|
13
17
|
```Python
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