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author | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
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committer | monster <monster@ydb.tech> | 2022-07-07 14:41:37 +0300 |
commit | 06e5c21a835c0e923506c4ff27929f34e00761c2 (patch) | |
tree | 75efcbc6854ef9bd476eb8bf00cc5c900da436a2 /contrib/python/ipython/py2/IPython/core/debugger.py | |
parent | 03f024c4412e3aa613bb543cf1660176320ba8f4 (diff) | |
download | ydb-06e5c21a835c0e923506c4ff27929f34e00761c2.tar.gz |
fix ya.make
Diffstat (limited to 'contrib/python/ipython/py2/IPython/core/debugger.py')
-rw-r--r-- | contrib/python/ipython/py2/IPython/core/debugger.py | 618 |
1 files changed, 0 insertions, 618 deletions
diff --git a/contrib/python/ipython/py2/IPython/core/debugger.py b/contrib/python/ipython/py2/IPython/core/debugger.py deleted file mode 100644 index f08cfb1a78..0000000000 --- a/contrib/python/ipython/py2/IPython/core/debugger.py +++ /dev/null @@ -1,618 +0,0 @@ -# -*- coding: utf-8 -*- -""" -Pdb debugger class. - -Modified from the standard pdb.Pdb class to avoid including readline, so that -the command line completion of other programs which include this isn't -damaged. - -In the future, this class will be expanded with improvements over the standard -pdb. - -The code in this file is mainly lifted out of cmd.py in Python 2.2, with minor -changes. Licensing should therefore be under the standard Python terms. For -details on the PSF (Python Software Foundation) standard license, see: - -https://docs.python.org/2/license.html -""" - -#***************************************************************************** -# -# This file is licensed under the PSF license. -# -# Copyright (C) 2001 Python Software Foundation, www.python.org -# Copyright (C) 2005-2006 Fernando Perez. <fperez@colorado.edu> -# -# -#***************************************************************************** -from __future__ import print_function - -import bdb -import functools -import inspect -import sys -import warnings - -from IPython import get_ipython -from IPython.utils import PyColorize, ulinecache -from IPython.utils import coloransi, py3compat -from IPython.core.excolors import exception_colors -from IPython.testing.skipdoctest import skip_doctest - - -prompt = 'ipdb> ' - -#We have to check this directly from sys.argv, config struct not yet available -from pdb import Pdb as OldPdb - -# Allow the set_trace code to operate outside of an ipython instance, even if -# it does so with some limitations. The rest of this support is implemented in -# the Tracer constructor. - -def make_arrow(pad): - """generate the leading arrow in front of traceback or debugger""" - if pad >= 2: - return '-'*(pad-2) + '> ' - elif pad == 1: - return '>' - return '' - - -def BdbQuit_excepthook(et, ev, tb, excepthook=None): - """Exception hook which handles `BdbQuit` exceptions. - - All other exceptions are processed using the `excepthook` - parameter. - """ - warnings.warn("`BdbQuit_excepthook` is deprecated since version 5.1", - DeprecationWarning, stacklevel=2) - if et==bdb.BdbQuit: - print('Exiting Debugger.') - elif excepthook is not None: - excepthook(et, ev, tb) - else: - # Backwards compatibility. Raise deprecation warning? - BdbQuit_excepthook.excepthook_ori(et,ev,tb) - - -def BdbQuit_IPython_excepthook(self,et,ev,tb,tb_offset=None): - warnings.warn( - "`BdbQuit_IPython_excepthook` is deprecated since version 5.1", - DeprecationWarning, stacklevel=2) - print('Exiting Debugger.') - - -class Tracer(object): - """ - DEPRECATED - - Class for local debugging, similar to pdb.set_trace. - - Instances of this class, when called, behave like pdb.set_trace, but - providing IPython's enhanced capabilities. - - This is implemented as a class which must be initialized in your own code - and not as a standalone function because we need to detect at runtime - whether IPython is already active or not. That detection is done in the - constructor, ensuring that this code plays nicely with a running IPython, - while functioning acceptably (though with limitations) if outside of it. - """ - - @skip_doctest - def __init__(self, colors=None): - """ - DEPRECATED - - Create a local debugger instance. - - Parameters - ---------- - - colors : str, optional - The name of the color scheme to use, it must be one of IPython's - valid color schemes. If not given, the function will default to - the current IPython scheme when running inside IPython, and to - 'NoColor' otherwise. - - Examples - -------- - :: - - from IPython.core.debugger import Tracer; debug_here = Tracer() - - Later in your code:: - - debug_here() # -> will open up the debugger at that point. - - Once the debugger activates, you can use all of its regular commands to - step through code, set breakpoints, etc. See the pdb documentation - from the Python standard library for usage details. - """ - warnings.warn("`Tracer` is deprecated since version 5.1, directly use " - "`IPython.core.debugger.Pdb.set_trace()`", - DeprecationWarning, stacklevel=2) - - ip = get_ipython() - if ip is None: - # Outside of ipython, we set our own exception hook manually - sys.excepthook = functools.partial(BdbQuit_excepthook, - excepthook=sys.excepthook) - def_colors = 'NoColor' - else: - # In ipython, we use its custom exception handler mechanism - def_colors = ip.colors - ip.set_custom_exc((bdb.BdbQuit,), BdbQuit_IPython_excepthook) - - if colors is None: - colors = def_colors - - # The stdlib debugger internally uses a modified repr from the `repr` - # module, that limits the length of printed strings to a hardcoded - # limit of 30 characters. That much trimming is too aggressive, let's - # at least raise that limit to 80 chars, which should be enough for - # most interactive uses. - try: - try: - from reprlib import aRepr # Py 3 - except ImportError: - from repr import aRepr # Py 2 - aRepr.maxstring = 80 - except: - # This is only a user-facing convenience, so any error we encounter - # here can be warned about but can be otherwise ignored. These - # printouts will tell us about problems if this API changes - import traceback - traceback.print_exc() - - self.debugger = Pdb(colors) - - def __call__(self): - """Starts an interactive debugger at the point where called. - - This is similar to the pdb.set_trace() function from the std lib, but - using IPython's enhanced debugger.""" - - self.debugger.set_trace(sys._getframe().f_back) - - -def decorate_fn_with_doc(new_fn, old_fn, additional_text=""): - """Make new_fn have old_fn's doc string. This is particularly useful - for the ``do_...`` commands that hook into the help system. - Adapted from from a comp.lang.python posting - by Duncan Booth.""" - def wrapper(*args, **kw): - return new_fn(*args, **kw) - if old_fn.__doc__: - wrapper.__doc__ = old_fn.__doc__ + additional_text - return wrapper - - -def _file_lines(fname): - """Return the contents of a named file as a list of lines. - - This function never raises an IOError exception: if the file can't be - read, it simply returns an empty list.""" - - try: - outfile = open(fname) - except IOError: - return [] - else: - out = outfile.readlines() - outfile.close() - return out - - -class Pdb(OldPdb): - """Modified Pdb class, does not load readline. - - for a standalone version that uses prompt_toolkit, see - `IPython.terminal.debugger.TerminalPdb` and - `IPython.terminal.debugger.set_trace()` - """ - - def __init__(self, color_scheme=None, completekey=None, - stdin=None, stdout=None, context=5): - - # Parent constructor: - try: - self.context = int(context) - if self.context <= 0: - raise ValueError("Context must be a positive integer") - except (TypeError, ValueError): - raise ValueError("Context must be a positive integer") - - OldPdb.__init__(self, completekey, stdin, stdout) - - # IPython changes... - self.shell = get_ipython() - - if self.shell is None: - save_main = sys.modules['__main__'] - # No IPython instance running, we must create one - from IPython.terminal.interactiveshell import \ - TerminalInteractiveShell - self.shell = TerminalInteractiveShell.instance() - # needed by any code which calls __import__("__main__") after - # the debugger was entered. See also #9941. - sys.modules['__main__'] = save_main - - if color_scheme is not None: - warnings.warn( - "The `color_scheme` argument is deprecated since version 5.1", - DeprecationWarning) - else: - color_scheme = self.shell.colors - - self.aliases = {} - - # Create color table: we copy the default one from the traceback - # module and add a few attributes needed for debugging - self.color_scheme_table = exception_colors() - - # shorthands - C = coloransi.TermColors - cst = self.color_scheme_table - - cst['NoColor'].colors.prompt = C.NoColor - cst['NoColor'].colors.breakpoint_enabled = C.NoColor - cst['NoColor'].colors.breakpoint_disabled = C.NoColor - - cst['Linux'].colors.prompt = C.Green - cst['Linux'].colors.breakpoint_enabled = C.LightRed - cst['Linux'].colors.breakpoint_disabled = C.Red - - cst['LightBG'].colors.prompt = C.Blue - cst['LightBG'].colors.breakpoint_enabled = C.LightRed - cst['LightBG'].colors.breakpoint_disabled = C.Red - - cst['Neutral'].colors.prompt = C.Blue - cst['Neutral'].colors.breakpoint_enabled = C.LightRed - cst['Neutral'].colors.breakpoint_disabled = C.Red - - self.set_colors(color_scheme) - - # Add a python parser so we can syntax highlight source while - # debugging. - self.parser = PyColorize.Parser() - - # Set the prompt - the default prompt is '(Pdb)' - self.prompt = prompt - - def set_colors(self, scheme): - """Shorthand access to the color table scheme selector method.""" - self.color_scheme_table.set_active_scheme(scheme) - - def interaction(self, frame, traceback): - try: - OldPdb.interaction(self, frame, traceback) - except KeyboardInterrupt: - sys.stdout.write('\n' + self.shell.get_exception_only()) - - def new_do_up(self, arg): - OldPdb.do_up(self, arg) - do_u = do_up = decorate_fn_with_doc(new_do_up, OldPdb.do_up) - - def new_do_down(self, arg): - OldPdb.do_down(self, arg) - - do_d = do_down = decorate_fn_with_doc(new_do_down, OldPdb.do_down) - - def new_do_frame(self, arg): - OldPdb.do_frame(self, arg) - - def new_do_quit(self, arg): - - if hasattr(self, 'old_all_completions'): - self.shell.Completer.all_completions=self.old_all_completions - - return OldPdb.do_quit(self, arg) - - do_q = do_quit = decorate_fn_with_doc(new_do_quit, OldPdb.do_quit) - - def new_do_restart(self, arg): - """Restart command. In the context of ipython this is exactly the same - thing as 'quit'.""" - self.msg("Restart doesn't make sense here. Using 'quit' instead.") - return self.do_quit(arg) - - def print_stack_trace(self, context=None): - if context is None: - context = self.context - try: - context=int(context) - if context <= 0: - raise ValueError("Context must be a positive integer") - except (TypeError, ValueError): - raise ValueError("Context must be a positive integer") - try: - for frame_lineno in self.stack: - self.print_stack_entry(frame_lineno, context=context) - except KeyboardInterrupt: - pass - - def print_stack_entry(self,frame_lineno, prompt_prefix='\n-> ', - context=None): - if context is None: - context = self.context - try: - context=int(context) - if context <= 0: - raise ValueError("Context must be a positive integer") - except (TypeError, ValueError): - raise ValueError("Context must be a positive integer") - print(self.format_stack_entry(frame_lineno, '', context)) - - # vds: >> - frame, lineno = frame_lineno - filename = frame.f_code.co_filename - self.shell.hooks.synchronize_with_editor(filename, lineno, 0) - # vds: << - - def format_stack_entry(self, frame_lineno, lprefix=': ', context=None): - if context is None: - context = self.context - try: - context=int(context) - if context <= 0: - print("Context must be a positive integer") - except (TypeError, ValueError): - print("Context must be a positive integer") - try: - import reprlib # Py 3 - except ImportError: - import repr as reprlib # Py 2 - - ret = [] - - Colors = self.color_scheme_table.active_colors - ColorsNormal = Colors.Normal - tpl_link = u'%s%%s%s' % (Colors.filenameEm, ColorsNormal) - tpl_call = u'%s%%s%s%%s%s' % (Colors.vName, Colors.valEm, ColorsNormal) - tpl_line = u'%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) - tpl_line_em = u'%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, - ColorsNormal) - - frame, lineno = frame_lineno - - return_value = '' - if '__return__' in frame.f_locals: - rv = frame.f_locals['__return__'] - #return_value += '->' - return_value += reprlib.repr(rv) + '\n' - ret.append(return_value) - - #s = filename + '(' + `lineno` + ')' - filename = self.canonic(frame.f_code.co_filename) - link = tpl_link % py3compat.cast_unicode(filename) - - if frame.f_code.co_name: - func = frame.f_code.co_name - else: - func = "<lambda>" - - call = '' - if func != '?': - if '__args__' in frame.f_locals: - args = reprlib.repr(frame.f_locals['__args__']) - else: - args = '()' - call = tpl_call % (func, args) - - # The level info should be generated in the same format pdb uses, to - # avoid breaking the pdbtrack functionality of python-mode in *emacs. - if frame is self.curframe: - ret.append('> ') - else: - ret.append(' ') - ret.append(u'%s(%s)%s\n' % (link,lineno,call)) - - start = lineno - 1 - context//2 - lines = ulinecache.getlines(filename) - start = min(start, len(lines) - context) - start = max(start, 0) - lines = lines[start : start + context] - - for i,line in enumerate(lines): - show_arrow = (start + 1 + i == lineno) - linetpl = (frame is self.curframe or show_arrow) \ - and tpl_line_em \ - or tpl_line - ret.append(self.__format_line(linetpl, filename, - start + 1 + i, line, - arrow = show_arrow) ) - return ''.join(ret) - - def __format_line(self, tpl_line, filename, lineno, line, arrow = False): - bp_mark = "" - bp_mark_color = "" - - scheme = self.color_scheme_table.active_scheme_name - new_line, err = self.parser.format2(line, 'str', scheme) - if not err: line = new_line - - bp = None - if lineno in self.get_file_breaks(filename): - bps = self.get_breaks(filename, lineno) - bp = bps[-1] - - if bp: - Colors = self.color_scheme_table.active_colors - bp_mark = str(bp.number) - bp_mark_color = Colors.breakpoint_enabled - if not bp.enabled: - bp_mark_color = Colors.breakpoint_disabled - - numbers_width = 7 - if arrow: - # This is the line with the error - pad = numbers_width - len(str(lineno)) - len(bp_mark) - num = '%s%s' % (make_arrow(pad), str(lineno)) - else: - num = '%*s' % (numbers_width - len(bp_mark), str(lineno)) - - return tpl_line % (bp_mark_color + bp_mark, num, line) - - - def print_list_lines(self, filename, first, last): - """The printing (as opposed to the parsing part of a 'list' - command.""" - try: - Colors = self.color_scheme_table.active_colors - ColorsNormal = Colors.Normal - tpl_line = '%%s%s%%s %s%%s' % (Colors.lineno, ColorsNormal) - tpl_line_em = '%%s%s%%s %s%%s%s' % (Colors.linenoEm, Colors.line, ColorsNormal) - src = [] - if filename == "<string>" and hasattr(self, "_exec_filename"): - filename = self._exec_filename - - for lineno in range(first, last+1): - line = ulinecache.getline(filename, lineno) - if not line: - break - - if lineno == self.curframe.f_lineno: - line = self.__format_line(tpl_line_em, filename, lineno, line, arrow = True) - else: - line = self.__format_line(tpl_line, filename, lineno, line, arrow = False) - - src.append(line) - self.lineno = lineno - - print(''.join(src)) - - except KeyboardInterrupt: - pass - - def do_list(self, arg): - """Print lines of code from the current stack frame - """ - self.lastcmd = 'list' - last = None - if arg: - try: - x = eval(arg, {}, {}) - if type(x) == type(()): - first, last = x - first = int(first) - last = int(last) - if last < first: - # Assume it's a count - last = first + last - else: - first = max(1, int(x) - 5) - except: - print('*** Error in argument:', repr(arg)) - return - elif self.lineno is None: - first = max(1, self.curframe.f_lineno - 5) - else: - first = self.lineno + 1 - if last is None: - last = first + 10 - self.print_list_lines(self.curframe.f_code.co_filename, first, last) - - # vds: >> - lineno = first - filename = self.curframe.f_code.co_filename - self.shell.hooks.synchronize_with_editor(filename, lineno, 0) - # vds: << - - do_l = do_list - - def getsourcelines(self, obj): - lines, lineno = inspect.findsource(obj) - if inspect.isframe(obj) and obj.f_globals is obj.f_locals: - # must be a module frame: do not try to cut a block out of it - return lines, 1 - elif inspect.ismodule(obj): - return lines, 1 - return inspect.getblock(lines[lineno:]), lineno+1 - - def do_longlist(self, arg): - """Print lines of code from the current stack frame. - - Shows more lines than 'list' does. - """ - self.lastcmd = 'longlist' - try: - lines, lineno = self.getsourcelines(self.curframe) - except OSError as err: - self.error(err) - return - last = lineno + len(lines) - self.print_list_lines(self.curframe.f_code.co_filename, lineno, last) - do_ll = do_longlist - - def do_pdef(self, arg): - """Print the call signature for any callable object. - - The debugger interface to %pdef""" - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('pdef')(arg, namespaces=namespaces) - - def do_pdoc(self, arg): - """Print the docstring for an object. - - The debugger interface to %pdoc.""" - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('pdoc')(arg, namespaces=namespaces) - - def do_pfile(self, arg): - """Print (or run through pager) the file where an object is defined. - - The debugger interface to %pfile. - """ - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('pfile')(arg, namespaces=namespaces) - - def do_pinfo(self, arg): - """Provide detailed information about an object. - - The debugger interface to %pinfo, i.e., obj?.""" - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('pinfo')(arg, namespaces=namespaces) - - def do_pinfo2(self, arg): - """Provide extra detailed information about an object. - - The debugger interface to %pinfo2, i.e., obj??.""" - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('pinfo2')(arg, namespaces=namespaces) - - def do_psource(self, arg): - """Print (or run through pager) the source code for an object.""" - namespaces = [('Locals', self.curframe.f_locals), - ('Globals', self.curframe.f_globals)] - self.shell.find_line_magic('psource')(arg, namespaces=namespaces) - - if sys.version_info > (3, ): - def do_where(self, arg): - """w(here) - Print a stack trace, with the most recent frame at the bottom. - An arrow indicates the "current frame", which determines the - context of most commands. 'bt' is an alias for this command. - - Take a number as argument as an (optional) number of context line to - print""" - if arg: - context = int(arg) - self.print_stack_trace(context) - else: - self.print_stack_trace() - - do_w = do_where - - -def set_trace(frame=None): - """ - Start debugging from `frame`. - - If frame is not specified, debugging starts from caller's frame. - """ - Pdb().set_trace(frame or sys._getframe().f_back) |