mirror of https://github.com/python/cpython
214 lines
8.1 KiB
Python
214 lines
8.1 KiB
Python
"""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,)
|