Coverage for runscript.py: 13%

1"""Execute code from an editor. 

2 

3Check module: do a full syntax check of the current module. 

4Also run the tabnanny to catch any inconsistent tabs. 

5 

6Run module: also execute the module's code in the __main__ namespace. 

7The window must have been saved previously. The module is added to 

8sys.modules, and is also added to the __main__ namespace. 

9 

10TODO: Specify command line arguments in a dialog box. 

11""" 

12import os (empty)

13import tabnanny (empty)

14import time (empty)

15import tokenize (empty)

16 

17from tkinter import messagebox (empty)

18 

19from idlelib.config import idleConf (empty)

20from idlelib import macosx (empty)

21from idlelib import pyshell (empty)

22from idlelib.query import CustomRun (empty)

23from idlelib import outwin (empty)

24 

25indent_message = """Error: Inconsistent indentation detected! (empty)

26 

271) Your indentation is outright incorrect (easy to fix), OR 

28 

292) Your indentation mixes tabs and spaces. 

30 

31To fix case 2, change all tabs to spaces by using Edit->Select All followed \ 

32by Format->Untabify Region and specify the number of columns used by each tab. 

33""" 

34 

35 

36class ScriptBinding: (empty)

37 

38 def __init__(self, editwin): (empty)

39 self.editwin = editwin 

40 # Provide instance variables referenced by debugger 

41 # XXX This should be done differently 

42 self.flist = self.editwin.flist 

43 self.root = self.editwin.root 

44 # cli_args is list of strings that extends sys.argv 

45 self.cli_args = [] 

46 self.perf = 0.0 # Workaround for macOS 11 Uni2; see bpo-42508. 

47 

48 def check_module_event(self, event): (empty)

49 if isinstance(self.editwin, outwin.OutputWindow): 

50 self.editwin.text.bell() 

51 return 'break' 

52 filename = self.getfilename() 

53 if not filename: 

54 return 'break' 

55 if not self.checksyntax(filename): 

56 return 'break' 

57 if not self.tabnanny(filename): 

58 return 'break' 

59 return "break" 

60 

61 def tabnanny(self, filename): (empty)

62 # XXX: tabnanny should work on binary files as well 

63 with tokenize.open(filename) as f: 

64 try: 

65 tabnanny.process_tokens(tokenize.generate_tokens(f.readline)) 

66 except tokenize.TokenError as msg: 

67 msgtxt, (lineno, start) = msg.args 

68 self.editwin.gotoline(lineno) 

69 self.errorbox("Tabnanny Tokenizing Error", 

70 "Token Error: %s" % msgtxt) 

71 return False 

72 except tabnanny.NannyNag as nag: 

73 # The error messages from tabnanny are too confusing... 

74 self.editwin.gotoline(nag.get_lineno()) 

75 self.errorbox("Tab/space error", indent_message) 

76 return False 

77 return True 

78 

79 def checksyntax(self, filename): (empty)

80 self.shell = shell = self.flist.open_shell() 

81 saved_stream = shell.get_warning_stream() 

82 shell.set_warning_stream(shell.stderr) 

83 with open(filename, 'rb') as f: 

84 source = f.read() 

85 if b'\r' in source: 

86 source = source.replace(b'\r\n', b'\n') 

87 source = source.replace(b'\r', b'\n') 

88 if source and source[-1] != ord(b'\n'): 

89 source = source + b'\n' 

90 editwin = self.editwin 

91 text = editwin.text 

92 text.tag_remove("ERROR", "1.0", "end") 

93 try: 

94 # If successful, return the compiled code 

95 return compile(source, filename, "exec") 

96 except (SyntaxError, OverflowError, ValueError) as value: 

97 msg = getattr(value, 'msg', '') or value or "<no detail available>" 

98 lineno = getattr(value, 'lineno', '') or 1 

99 offset = getattr(value, 'offset', '') or 0 

100 if offset == 0: 

101 lineno += 1 #mark end of offending line 

102 pos = "0.0 + %d lines + %d chars" % (lineno-1, offset-1) 

103 editwin.colorize_syntax_error(text, pos) 

104 self.errorbox("SyntaxError", "%-20s" % msg) 

105 return False 

106 finally: 

107 shell.set_warning_stream(saved_stream) 

108 

109 def run_custom_event(self, event): (empty)

110 return self.run_module_event(event, customize=True) 

111 

112 def run_module_event(self, event, *, customize=False): (empty)

113 """Run the module after setting up the environment. 

114 

115 First check the syntax. Next get customization. If OK, make 

116 sure the shell is active and then transfer the arguments, set 

117 the run environment's working directory to the directory of the 

118 module being executed and also add that directory to its 

119 sys.path if not already included. 

120 """ 

121 if macosx.isCocoaTk() and (time.perf_counter() - self.perf < .05): 

122 return 'break' 

123 if isinstance(self.editwin, outwin.OutputWindow): 

124 self.editwin.text.bell() 

125 return 'break' 

126 filename = self.getfilename() 

127 if not filename: 

128 return 'break' 

129 code = self.checksyntax(filename) 

130 if not code: 

131 return 'break' 

132 if not self.tabnanny(filename): 

133 return 'break' 

134 if customize: 

135 title = f"Customize {self.editwin.short_title()} Run" 

136 run_args = CustomRun(self.shell.text, title, 

137 cli_args=self.cli_args).result 

138 if not run_args: # User cancelled. 

139 return 'break' 

140 self.cli_args, restart = run_args if customize else ([], True) 

141 interp = self.shell.interp 

142 if pyshell.use_subprocess and restart: 

143 interp.restart_subprocess( 

144 with_cwd=False, filename=filename) 

145 dirname = os.path.dirname(filename) 

146 argv = [filename] 

147 if self.cli_args: 

148 argv += self.cli_args 

149 interp.runcommand(f"""if 1: 

150 __file__ = {filename!r} 

151 import sys as _sys 

152 from os.path import basename as _basename 

153 argv = {argv!r} 

154 if (not _sys.argv or 

155 _basename(_sys.argv[0]) != _basename(__file__) or 

156 len(argv) > 1): 

157 _sys.argv = argv 

158 import os as _os 

159 _os.chdir({dirname!r}) 

160 del _sys, argv, _basename, _os 

161 \n""") 

162 interp.prepend_syspath(filename) 

163 # XXX KBK 03Jul04 When run w/o subprocess, runtime warnings still 

164 # go to __stderr__. With subprocess, they go to the shell. 

165 # Need to change streams in pyshell.ModifiedInterpreter. 

166 interp.runcode(code) 

167 return 'break' 

168 

169 def getfilename(self): (empty)

170 """Get source filename. If not saved, offer to save (or create) file 

171 

172 The debugger requires a source file. Make sure there is one, and that 

173 the current version of the source buffer has been saved. If the user 

174 declines to save or cancels the Save As dialog, return None. 

175 

176 If the user has configured IDLE for Autosave, the file will be 

177 silently saved if it already exists and is dirty. 

178 

179 """ 

180 filename = self.editwin.io.filename 

181 if not self.editwin.get_saved(): 

182 autosave = idleConf.GetOption('main', 'General', 

183 'autosave', type='bool') 

184 if autosave and filename: 

185 self.editwin.io.save(None) 

186 else: 

187 confirm = self.ask_save_dialog() 

188 self.editwin.text.focus_set() 

189 if confirm: 

190 self.editwin.io.save(None) 

191 filename = self.editwin.io.filename 

192 else: 

193 filename = None 

194 return filename 

195 

196 def ask_save_dialog(self): (empty)

197 msg = "Source Must Be Saved\n" + 5*' ' + "OK to Save?" 

198 confirm = messagebox.askokcancel(title="Save Before Run or Check", 

199 message=msg, 

200 default=messagebox.OK, 

201 parent=self.editwin.text) 

202 return confirm 

203 

204 def errorbox(self, title, message): (empty)

205 # XXX This should really be a function of EditorWindow... 

206 messagebox.showerror(title, message, parent=self.editwin.text) 

207 self.editwin.text.focus_set() 

208 self.perf = time.perf_counter() 

209 

210 

211if __name__ == "__main__": 211 ↛ 212line 211 didn't jump to line 212, because the condition on line 211 was never true(empty)

212 from unittest import main 

213 main('idlelib.idle_test.test_runscript', verbosity=2,)