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ORPA-pyOpenRPA/Resources/LPy64-3105/lib/python3.10/idlelib/runscript.py

214 lines
8.1 KiB

"""Execute code from an editor.
Check module: do a full syntax check of the current module.
Also run the tabnanny to catch any inconsistent tabs.
Run module: also execute the module's code in the __main__ namespace.
The window must have been saved previously. The module is added to
sys.modules, and is also added to the __main__ namespace.
TODO: Specify command line arguments in a dialog box.
"""
import os
import tabnanny
import time
import tokenize
from tkinter import messagebox
from idlelib.config import idleConf
from idlelib import macosx
from idlelib import pyshell
from idlelib.query import CustomRun
from idlelib import outwin
indent_message = """Error: Inconsistent indentation detected!
1) Your indentation is outright incorrect (easy to fix), OR
2) Your indentation mixes tabs and spaces.
To fix case 2, change all tabs to spaces by using Edit->Select All followed \
by Format->Untabify Region and specify the number of columns used by each tab.
"""
class ScriptBinding:
def __init__(self, editwin):
self.editwin = editwin
# Provide instance variables referenced by debugger
# XXX This should be done differently
self.flist = self.editwin.flist
self.root = self.editwin.root
# cli_args is list of strings that extends sys.argv
self.cli_args = []
self.perf = 0.0 # Workaround for macOS 11 Uni2; see bpo-42508.
def check_module_event(self, event):
if isinstance(self.editwin, outwin.OutputWindow):
self.editwin.text.bell()
return 'break'
filename = self.getfilename()
if not filename:
return 'break'
if not self.checksyntax(filename):
return 'break'
if not self.tabnanny(filename):
return 'break'
return "break"
def tabnanny(self, filename):
# XXX: tabnanny should work on binary files as well
with tokenize.open(filename) as f:
try:
tabnanny.process_tokens(tokenize.generate_tokens(f.readline))
except tokenize.TokenError as msg:
msgtxt, (lineno, start) = msg.args
self.editwin.gotoline(lineno)
self.errorbox("Tabnanny Tokenizing Error",
"Token Error: %s" % msgtxt)
return False
except tabnanny.NannyNag as nag:
# The error messages from tabnanny are too confusing...
self.editwin.gotoline(nag.get_lineno())
self.errorbox("Tab/space error", indent_message)
return False
return True
def checksyntax(self, filename):
self.shell = shell = self.flist.open_shell()
saved_stream = shell.get_warning_stream()
shell.set_warning_stream(shell.stderr)
with open(filename, 'rb') as f:
source = f.read()
if b'\r' in source:
source = source.replace(b'\r\n', b'\n')
source = source.replace(b'\r', b'\n')
if source and source[-1] != ord(b'\n'):
source = source + b'\n'
editwin = self.editwin
text = editwin.text
text.tag_remove("ERROR", "1.0", "end")
try:
# If successful, return the compiled code
return compile(source, filename, "exec")
except (SyntaxError, OverflowError, ValueError) as value:
msg = getattr(value, 'msg', '') or value or "<no detail available>"
lineno = getattr(value, 'lineno', '') or 1
offset = getattr(value, 'offset', '') or 0
if offset == 0:
lineno += 1 #mark end of offending line
pos = "0.0 + %d lines + %d chars" % (lineno-1, offset-1)
editwin.colorize_syntax_error(text, pos)
self.errorbox("SyntaxError", "%-20s" % msg)
return False
finally:
shell.set_warning_stream(saved_stream)
def run_custom_event(self, event):
return self.run_module_event(event, customize=True)
def run_module_event(self, event, *, customize=False):
"""Run the module after setting up the environment.
First check the syntax. Next get customization. If OK, make
sure the shell is active and then transfer the arguments, set
the run environment's working directory to the directory of the
module being executed and also add that directory to its
sys.path if not already included.
"""
if macosx.isCocoaTk() and (time.perf_counter() - self.perf < .05):
return 'break'
if isinstance(self.editwin, outwin.OutputWindow):
self.editwin.text.bell()
return 'break'
filename = self.getfilename()
if not filename:
return 'break'
code = self.checksyntax(filename)
if not code:
return 'break'
if not self.tabnanny(filename):
return 'break'
if customize:
title = f"Customize {self.editwin.short_title()} Run"
run_args = CustomRun(self.shell.text, title,
cli_args=self.cli_args).result
if not run_args: # User cancelled.
return 'break'
self.cli_args, restart = run_args if customize else ([], True)
interp = self.shell.interp
if pyshell.use_subprocess and restart:
interp.restart_subprocess(
with_cwd=False, filename=filename)
dirname = os.path.dirname(filename)
argv = [filename]
if self.cli_args:
argv += self.cli_args
interp.runcommand(f"""if 1:
__file__ = {filename!r}
import sys as _sys
from os.path import basename as _basename
argv = {argv!r}
if (not _sys.argv or
_basename(_sys.argv[0]) != _basename(__file__) or
len(argv) > 1):
_sys.argv = argv
import os as _os
_os.chdir({dirname!r})
del _sys, argv, _basename, _os
\n""")
interp.prepend_syspath(filename)
# XXX KBK 03Jul04 When run w/o subprocess, runtime warnings still
# go to __stderr__. With subprocess, they go to the shell.
# Need to change streams in pyshell.ModifiedInterpreter.
interp.runcode(code)
return 'break'
def getfilename(self):
"""Get source filename. If not saved, offer to save (or create) file
The debugger requires a source file. Make sure there is one, and that
the current version of the source buffer has been saved. If the user
declines to save or cancels the Save As dialog, return None.
If the user has configured IDLE for Autosave, the file will be
silently saved if it already exists and is dirty.
"""
filename = self.editwin.io.filename
if not self.editwin.get_saved():
autosave = idleConf.GetOption('main', 'General',
'autosave', type='bool')
if autosave and filename:
self.editwin.io.save(None)
else:
confirm = self.ask_save_dialog()
self.editwin.text.focus_set()
if confirm:
self.editwin.io.save(None)
filename = self.editwin.io.filename
else:
filename = None
return filename
def ask_save_dialog(self):
msg = "Source Must Be Saved\n" + 5*' ' + "OK to Save?"
confirm = messagebox.askokcancel(title="Save Before Run or Check",
message=msg,
default=messagebox.OK,
parent=self.editwin.text)
return confirm
def errorbox(self, title, message):
# XXX This should really be a function of EditorWindow...
messagebox.showerror(title, message, parent=self.editwin.text)
self.editwin.text.focus_set()
self.perf = time.perf_counter()
if __name__ == "__main__":
from unittest import main
main('idlelib.idle_test.test_runscript', verbosity=2,)