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Diffstat (limited to 'Lib/idlelib/outwin.py')
| -rw-r--r-- | Lib/idlelib/outwin.py | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/Lib/idlelib/outwin.py b/Lib/idlelib/outwin.py deleted file mode 100644 index 90272b6..0000000 --- a/Lib/idlelib/outwin.py +++ /dev/null @@ -1,189 +0,0 @@ -"""Editor window that can serve as an output file. -""" - -import re - -from tkinter import messagebox - -from idlelib.editor import EditorWindow -from idlelib import iomenu - - -file_line_pats = [ - # order of patterns matters - r'file "([^"]*)", line (\d+)', - r'([^\s]+)\((\d+)\)', - r'^(\s*\S.*?):\s*(\d+):', # Win filename, maybe starting with spaces - r'([^\s]+):\s*(\d+):', # filename or path, ltrim - r'^\s*(\S.*?):\s*(\d+):', # Win abs path with embedded spaces, ltrim -] - -file_line_progs = None - - -def compile_progs(): - "Compile the patterns for matching to file name and line number." - global file_line_progs - file_line_progs = [re.compile(pat, re.IGNORECASE) - for pat in file_line_pats] - - -def file_line_helper(line): - """Extract file name and line number from line of text. - - Check if line of text contains one of the file/line patterns. - If it does and if the file and line are valid, return - a tuple of the file name and line number. If it doesn't match - or if the file or line is invalid, return None. - """ - if not file_line_progs: - compile_progs() - for prog in file_line_progs: - match = prog.search(line) - if match: - filename, lineno = match.group(1, 2) - try: - f = open(filename, "r") - f.close() - break - except OSError: - continue - else: - return None - try: - return filename, int(lineno) - except TypeError: - return None - - -class OutputWindow(EditorWindow): - """An editor window that can serve as an output file. - - Also the future base class for the Python shell window. - This class has no input facilities. - - Adds binding to open a file at a line to the text widget. - """ - - # Our own right-button menu - rmenu_specs = [ - ("Cut", "<<cut>>", "rmenu_check_cut"), - ("Copy", "<<copy>>", "rmenu_check_copy"), - ("Paste", "<<paste>>", "rmenu_check_paste"), - (None, None, None), - ("Go to file/line", "<<goto-file-line>>", None), - ] - - allow_code_context = False - - def __init__(self, *args): - EditorWindow.__init__(self, *args) - self.text.bind("<<goto-file-line>>", self.goto_file_line) - - # Customize EditorWindow - def ispythonsource(self, filename): - "Python source is only part of output: do not colorize." - return False - - def short_title(self): - "Customize EditorWindow title." - return "Output" - - def maybesave(self): - "Customize EditorWindow to not display save file messagebox." - return 'yes' if self.get_saved() else 'no' - - # Act as output file - def write(self, s, tags=(), mark="insert"): - """Write text to text widget. - - The text is inserted at the given index with the provided - tags. The text widget is then scrolled to make it visible - and updated to display it, giving the effect of seeing each - line as it is added. - - Args: - s: Text to insert into text widget. - tags: Tuple of tag strings to apply on the insert. - mark: Index for the insert. - - Return: - Length of text inserted. - """ - if isinstance(s, bytes): - s = s.decode(iomenu.encoding, "replace") - self.text.insert(mark, s, tags) - self.text.see(mark) - self.text.update() - return len(s) - - def writelines(self, lines): - "Write each item in lines iterable." - for line in lines: - self.write(line) - - def flush(self): - "No flushing needed as write() directly writes to widget." - pass - - def showerror(self, *args, **kwargs): - messagebox.showerror(*args, **kwargs) - - def goto_file_line(self, event=None): - """Handle request to open file/line. - - If the selected or previous line in the output window - contains a file name and line number, then open that file - name in a new window and position on the line number. - - Otherwise, display an error messagebox. - """ - line = self.text.get("insert linestart", "insert lineend") - result = file_line_helper(line) - if not result: - # Try the previous line. This is handy e.g. in tracebacks, - # where you tend to right-click on the displayed source line - line = self.text.get("insert -1line linestart", - "insert -1line lineend") - result = file_line_helper(line) - if not result: - self.showerror( - "No special line", - "The line you point at doesn't look like " - "a valid file name followed by a line number.", - parent=self.text) - return - filename, lineno = result - self.flist.gotofileline(filename, lineno) - - -# These classes are currently not used but might come in handy -class OnDemandOutputWindow: - - tagdefs = { - # XXX Should use IdlePrefs.ColorPrefs - "stdout": {"foreground": "blue"}, - "stderr": {"foreground": "#007700"}, - } - - def __init__(self, flist): - self.flist = flist - self.owin = None - - def write(self, s, tags, mark): - if not self.owin: - self.setup() - self.owin.write(s, tags, mark) - - def setup(self): - self.owin = owin = OutputWindow(self.flist) - text = owin.text - for tag, cnf in self.tagdefs.items(): - if cnf: - text.tag_configure(tag, **cnf) - text.tag_raise('sel') - self.write = self.owin.write - -if __name__ == '__main__': - from unittest import main - main('idlelib.idle_test.test_outwin', verbosity=2, exit=False) |