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authoralexv-smirnov <alex@ydb.tech>2023-03-15 19:59:12 +0300
committeralexv-smirnov <alex@ydb.tech>2023-03-15 19:59:12 +0300
commit056bb284ccf8dd6793ec3a54ffa36c4fb2b9ad11 (patch)
tree4740980126f32e3af7937ba0ca5f83e59baa4ab0 /contrib/tools/cython/Cython/Debugger/Cygdb.py
parent269126dcced1cc8b53eb4398b4a33e5142f10290 (diff)
downloadydb-056bb284ccf8dd6793ec3a54ffa36c4fb2b9ad11.tar.gz
add library/cpp/actors, ymake build to ydb oss export
Diffstat (limited to 'contrib/tools/cython/Cython/Debugger/Cygdb.py')
-rw-r--r--contrib/tools/cython/Cython/Debugger/Cygdb.py158
1 files changed, 158 insertions, 0 deletions
diff --git a/contrib/tools/cython/Cython/Debugger/Cygdb.py b/contrib/tools/cython/Cython/Debugger/Cygdb.py
new file mode 100644
index 0000000000..45f31ce6f7
--- /dev/null
+++ b/contrib/tools/cython/Cython/Debugger/Cygdb.py
@@ -0,0 +1,158 @@
+#!/usr/bin/env python
+
+"""
+The Cython debugger
+
+The current directory should contain a directory named 'cython_debug', or a
+path to the cython project directory should be given (the parent directory of
+cython_debug).
+
+Additional gdb args can be provided only if a path to the project directory is
+given.
+"""
+
+import os
+import sys
+import glob
+import tempfile
+import textwrap
+import subprocess
+import optparse
+import logging
+
+logger = logging.getLogger(__name__)
+
+def make_command_file(path_to_debug_info, prefix_code='', no_import=False):
+ if not no_import:
+ pattern = os.path.join(path_to_debug_info,
+ 'cython_debug',
+ 'cython_debug_info_*')
+ debug_files = glob.glob(pattern)
+
+ if not debug_files:
+ sys.exit('%s.\nNo debug files were found in %s. Aborting.' % (
+ usage, os.path.abspath(path_to_debug_info)))
+
+ fd, tempfilename = tempfile.mkstemp()
+ f = os.fdopen(fd, 'w')
+ try:
+ f.write(prefix_code)
+ f.write(textwrap.dedent('''\
+ # This is a gdb command file
+ # See https://sourceware.org/gdb/onlinedocs/gdb/Command-Files.html
+
+ set breakpoint pending on
+ set print pretty on
+
+ python
+ # Activate virtualenv, if we were launched from one
+ import os
+ virtualenv = os.getenv('VIRTUAL_ENV')
+ if virtualenv:
+ path_to_activate_this_py = os.path.join(virtualenv, 'bin', 'activate_this.py')
+ print("gdb command file: Activating virtualenv: %s; path_to_activate_this_py: %s" % (
+ virtualenv, path_to_activate_this_py))
+ with open(path_to_activate_this_py) as f:
+ exec(f.read(), dict(__file__=path_to_activate_this_py))
+
+ from Cython.Debugger import libcython, libpython
+ end
+ '''))
+
+ if no_import:
+ # don't do this, this overrides file command in .gdbinit
+ # f.write("file %s\n" % sys.executable)
+ pass
+ else:
+ path = os.path.join(path_to_debug_info, "cython_debug", "interpreter")
+ interpreter_file = open(path)
+ try:
+ interpreter = interpreter_file.read()
+ finally:
+ interpreter_file.close()
+ f.write("file %s\n" % interpreter)
+ f.write('\n'.join('cy import %s\n' % fn for fn in debug_files))
+ f.write(textwrap.dedent('''\
+ python
+ import sys
+ try:
+ gdb.lookup_type('PyModuleObject')
+ except RuntimeError:
+ sys.stderr.write(
+ 'Python was not compiled with debug symbols (or it was '
+ 'stripped). Some functionality may not work (properly).\\n')
+ end
+
+ source .cygdbinit
+ '''))
+ finally:
+ f.close()
+
+ return tempfilename
+
+usage = "Usage: cygdb [options] [PATH [-- GDB_ARGUMENTS]]"
+
+def main(path_to_debug_info=None, gdb_argv=None, no_import=False):
+ """
+ Start the Cython debugger. This tells gdb to import the Cython and Python
+ extensions (libcython.py and libpython.py) and it enables gdb's pending
+ breakpoints.
+
+ path_to_debug_info is the path to the Cython build directory
+ gdb_argv is the list of options to gdb
+ no_import tells cygdb whether it should import debug information
+ """
+ parser = optparse.OptionParser(usage=usage)
+ parser.add_option("--gdb-executable",
+ dest="gdb", default='gdb',
+ help="gdb executable to use [default: gdb]")
+ parser.add_option("--verbose", "-v",
+ dest="verbosity", action="count", default=0,
+ help="Verbose mode. Multiple -v options increase the verbosity")
+
+ (options, args) = parser.parse_args()
+ if path_to_debug_info is None:
+ if len(args) > 1:
+ path_to_debug_info = args[0]
+ else:
+ path_to_debug_info = os.curdir
+
+ if gdb_argv is None:
+ gdb_argv = args[1:]
+
+ if path_to_debug_info == '--':
+ no_import = True
+
+ logging_level = logging.WARN
+ if options.verbosity == 1:
+ logging_level = logging.INFO
+ if options.verbosity >= 2:
+ logging_level = logging.DEBUG
+ logging.basicConfig(level=logging_level)
+
+ logger.info("verbosity = %r", options.verbosity)
+ logger.debug("options = %r; args = %r", options, args)
+ logger.debug("Done parsing command-line options. path_to_debug_info = %r, gdb_argv = %r",
+ path_to_debug_info, gdb_argv)
+
+ tempfilename = make_command_file(path_to_debug_info, no_import=no_import)
+ logger.info("Launching %s with command file: %s and gdb_argv: %s",
+ options.gdb, tempfilename, gdb_argv)
+ with open(tempfilename) as tempfile:
+ logger.debug('Command file (%s) contains: """\n%s"""', tempfilename, tempfile.read())
+ logger.info("Spawning %s...", options.gdb)
+ p = subprocess.Popen([options.gdb, '-command', tempfilename] + gdb_argv)
+ logger.info("Spawned %s (pid %d)", options.gdb, p.pid)
+ while True:
+ try:
+ logger.debug("Waiting for gdb (pid %d) to exit...", p.pid)
+ ret = p.wait()
+ logger.debug("Wait for gdb (pid %d) to exit is done. Returned: %r", p.pid, ret)
+ except KeyboardInterrupt:
+ pass
+ else:
+ break
+ logger.debug("Closing temp command file with fd: %s", tempfile.fileno())
+ logger.debug("Removing temp command file: %s", tempfilename)
+ os.remove(tempfilename)
+ logger.debug("Removed temp command file: %s", tempfilename)