def get_records(self, etb, number_of_lines_of_context, tb_offset):
try:
# Try the default getinnerframes and Alex's: Alex's fixes some
# problems, but it generates empty tracebacks for console errors
# (5 blanks lines) where none should be returned.
return _fixed_getinnerframes(etb, number_of_lines_of_context, tb_offset)
except UnicodeDecodeError:
# This can occur if a file's encoding magic comment is wrong.
# I can't see a way to recover without duplicating a bunch of code
# from the stdlib traceback module. --TK
error('\nUnicodeDecodeError while processing traceback.\n')
return None
except:
# FIXME: I've been getting many crash reports from python 2.3
# users, traceable to inspect.py. If I can find a small test-case
# to reproduce this, I should either write a better workaround or
# file a bug report against inspect (if that's the real problem).
# So far, I haven't been able to find an isolated example to
# reproduce the problem.
inspect_error()
traceback.print_exc(file=self.ostream)
info('\nUnfortunately, your original traceback can not be constructed.\n')
return None
python类py()的实例源码
def load_experiment_config_file():
# Load the config file, this holds information about data, black box fn etc.
try:
cfg_filename = "config.cfg"
config = SafeConfigParser(allow_no_value=True)
config.read(cfg_filename)
if not config.has_option("HPOLIB", "is_not_original_config_file"):
logger.critical("Config file in directory %s seems to be an"
" original config which was not created by wrapping.py. "
"Are you sure that you are in the right directory?" %
os.getcwd())
sys.exit(1)
return config
except IOError as e:
logger.critical("Could not open config file in directory %s",
os.getcwd())
sys.exit(1)
def get_records(self, etb, number_of_lines_of_context, tb_offset):
try:
# Try the default getinnerframes and Alex's: Alex's fixes some
# problems, but it generates empty tracebacks for console errors
# (5 blanks lines) where none should be returned.
return _fixed_getinnerframes(etb, number_of_lines_of_context, tb_offset)
except UnicodeDecodeError:
# This can occur if a file's encoding magic comment is wrong.
# I can't see a way to recover without duplicating a bunch of code
# from the stdlib traceback module. --TK
error('\nUnicodeDecodeError while processing traceback.\n')
return None
except:
# FIXME: I've been getting many crash reports from python 2.3
# users, traceable to inspect.py. If I can find a small test-case
# to reproduce this, I should either write a better workaround or
# file a bug report against inspect (if that's the real problem).
# So far, I haven't been able to find an isolated example to
# reproduce the problem.
inspect_error()
traceback.print_exc(file=self.ostream)
info('\nUnfortunately, your original traceback can not be constructed.\n')
return None
def get_records(self, etb, number_of_lines_of_context, tb_offset):
try:
# Try the default getinnerframes and Alex's: Alex's fixes some
# problems, but it generates empty tracebacks for console errors
# (5 blanks lines) where none should be returned.
return _fixed_getinnerframes(etb, number_of_lines_of_context, tb_offset)
except:
# FIXME: I've been getting many crash reports from python 2.3
# users, traceable to inspect.py. If I can find a small test-case
# to reproduce this, I should either write a better workaround or
# file a bug report against inspect (if that's the real problem).
# So far, I haven't been able to find an isolated example to
# reproduce the problem.
inspect_error()
traceback.print_exc(file=self.ostream)
info('\nUnfortunately, your original traceback can not be constructed.\n')
return None
def get_records(self, etb, number_of_lines_of_context, tb_offset):
try:
# Try the default getinnerframes and Alex's: Alex's fixes some
# problems, but it generates empty tracebacks for console errors
# (5 blanks lines) where none should be returned.
return _fixed_getinnerframes(etb, number_of_lines_of_context, tb_offset)
except UnicodeDecodeError:
# This can occur if a file's encoding magic comment is wrong.
# I can't see a way to recover without duplicating a bunch of code
# from the stdlib traceback module. --TK
error('\nUnicodeDecodeError while processing traceback.\n')
return None
except:
# FIXME: I've been getting many crash reports from python 2.3
# users, traceable to inspect.py. If I can find a small test-case
# to reproduce this, I should either write a better workaround or
# file a bug report against inspect (if that's the real problem).
# So far, I haven't been able to find an isolated example to
# reproduce the problem.
inspect_error()
traceback.print_exc(file=self.ostream)
info('\nUnfortunately, your original traceback can not be constructed.\n')
return None
def _fixed_getinnerframes(etb, context=1, tb_offset=0):
LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5
records = fix_frame_records_filenames(inspect.getinnerframes(etb, context))
# If the error is at the console, don't build any context, since it would
# otherwise produce 5 blank lines printed out (there is no file at the
# console)
rec_check = records[tb_offset:]
try:
rname = rec_check[0][1]
if rname == '<ipython console>' or rname.endswith('<string>'):
return rec_check
except IndexError:
pass
aux = traceback.extract_tb(etb)
assert len(records) == len(aux)
for i, (file, lnum, _, _) in enumerate(aux):
maybeStart = lnum - 1 - context // 2
start = max(maybeStart, 0)
end = start + context
lines = linecache.getlines(file)[start:end]
buf = list(records[i])
buf[LNUM_POS] = lnum
buf[INDEX_POS] = lnum - 1 - start
buf[LINES_POS] = lines
records[i] = tuple(buf)
return records[tb_offset:]
# Helper function -- largely belongs to VerboseTB, but we need the same
# functionality to produce a pseudo verbose TB for SyntaxErrors, so that they
# can be recognized properly by ipython.el's py-traceback-line-re
# (SyntaxErrors have to be treated specially because they have no traceback)
def _format_list(self, extracted_list):
"""Format a list of traceback entry tuples for printing.
Given a list of tuples as returned by extract_tb() or
extract_stack(), return a list of strings ready for printing.
Each string in the resulting list corresponds to the item with the
same index in the argument list. Each string ends in a newline;
the strings may contain internal newlines as well, for those items
whose source text line is not None.
Lifted almost verbatim from traceback.py
"""
Colors = self.Colors
list = []
for filename, lineno, name, line in extracted_list[:-1]:
item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \
(Colors.filename, filename, Colors.Normal,
Colors.lineno, lineno, Colors.Normal,
Colors.name, name, Colors.Normal)
if line:
item += ' %s\n' % line.strip()
list.append(item)
# Emphasize the last entry
filename, lineno, name, line = extracted_list[-1]
item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \
(Colors.normalEm,
Colors.filenameEm, filename, Colors.normalEm,
Colors.linenoEm, lineno, Colors.normalEm,
Colors.nameEm, name, Colors.normalEm,
Colors.Normal)
if line:
item += '%s %s%s\n' % (Colors.line, line.strip(),
Colors.Normal)
list.append(item)
return list
def _some_str(self, value):
# Lifted from traceback.py
try:
return py3compat.cast_unicode(str(value))
except:
return u'<unprintable %s object>' % type(value).__name__
#----------------------------------------------------------------------------
def format_traceback(exc_info):
traceback_template = '''Traceback (most recent call last):
File "%(filename)s", line %(lineno)s, in %(name)s
%(type)s: %(message)s\n''' # Skipping the "actual line" item
# Also note: we don't walk all the way through the frame stack in this example
# see hg.python.org/cpython/file/8dffb76faacc/Lib/traceback.py#l280
# (Imagine if the 1/0, below, were replaced by a call to test() which did 1/0.)
exc_type, exc_value, exc_traceback = exc_info # most recent (if any) by default
'''
Reason this _can_ be bad: If an (unhandled) exception happens AFTER this,
or if we do not delete the labels on (not much) older versions of Py, the
reference we created can linger.
traceback.format_exc/print_exc do this very thing, BUT note this creates a
temp scope within the function.
'''
traceback_details = {
'filename': exc_traceback.tb_frame.f_code.co_filename,
'lineno' : exc_traceback.tb_lineno,
'name' : exc_traceback.tb_frame.f_code.co_name,
'type' : exc_type.__name__,
'message' : exc_value.message, # or see traceback._some_str()
}
del(exc_type, exc_value, exc_traceback) # So we don't leave our local labels/objects dangling
# This still isn't "completely safe", though!
# "Best (recommended) practice: replace all exc_type, exc_value, exc_traceback
# with sys.exc_info()[0], sys.exc_info()[1], sys.exc_info()[2]
return "\n" + traceback.format_exc() + "\n\n" + traceback_template % traceback_details + "\n\n"
def _fixed_getinnerframes(etb, context=1, tb_offset=0):
LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5
records = fix_frame_records_filenames(inspect.getinnerframes(etb, context))
# If the error is at the console, don't build any context, since it would
# otherwise produce 5 blank lines printed out (there is no file at the
# console)
rec_check = records[tb_offset:]
try:
rname = rec_check[0][1]
if rname == '<ipython console>' or rname.endswith('<string>'):
return rec_check
except IndexError:
pass
aux = traceback.extract_tb(etb)
assert len(records) == len(aux)
for i, (file, lnum, _, _) in zip(range(len(records)), aux):
maybeStart = lnum - 1 - context // 2
start = max(maybeStart, 0)
end = start + context
lines = ulinecache.getlines(file)[start:end]
buf = list(records[i])
buf[LNUM_POS] = lnum
buf[INDEX_POS] = lnum - 1 - start
buf[LINES_POS] = lines
records[i] = tuple(buf)
return records[tb_offset:]
# Helper function -- largely belongs to VerboseTB, but we need the same
# functionality to produce a pseudo verbose TB for SyntaxErrors, so that they
# can be recognized properly by ipython.el's py-traceback-line-re
# (SyntaxErrors have to be treated specially because they have no traceback)
def _format_list(self, extracted_list):
"""Format a list of traceback entry tuples for printing.
Given a list of tuples as returned by extract_tb() or
extract_stack(), return a list of strings ready for printing.
Each string in the resulting list corresponds to the item with the
same index in the argument list. Each string ends in a newline;
the strings may contain internal newlines as well, for those items
whose source text line is not None.
Lifted almost verbatim from traceback.py
"""
Colors = self.Colors
list = []
for filename, lineno, name, line in extracted_list[:-1]:
item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \
(Colors.filename, py3compat.cast_unicode_py2(filename, "utf-8"), Colors.Normal,
Colors.lineno, lineno, Colors.Normal,
Colors.name, py3compat.cast_unicode_py2(name, "utf-8"), Colors.Normal)
if line:
item += ' %s\n' % line.strip()
list.append(item)
# Emphasize the last entry
filename, lineno, name, line = extracted_list[-1]
item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \
(Colors.normalEm,
Colors.filenameEm, py3compat.cast_unicode_py2(filename, "utf-8"), Colors.normalEm,
Colors.linenoEm, lineno, Colors.normalEm,
Colors.nameEm, py3compat.cast_unicode_py2(name, "utf-8"), Colors.normalEm,
Colors.Normal)
if line:
item += '%s %s%s\n' % (Colors.line, line.strip(),
Colors.Normal)
list.append(item)
return list
def _some_str(self, value):
# Lifted from traceback.py
try:
return py3compat.cast_unicode(str(value))
except:
return u'<unprintable %s object>' % type(value).__name__
#----------------------------------------------------------------------------
def _fixed_getinnerframes(etb, context=1, tb_offset=0):
LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5
records = fix_frame_records_filenames(inspect.getinnerframes(etb, context))
# If the error is at the console, don't build any context, since it would
# otherwise produce 5 blank lines printed out (there is no file at the
# console)
rec_check = records[tb_offset:]
try:
rname = rec_check[0][1]
if rname == '<ipython console>' or rname.endswith('<string>'):
return rec_check
except IndexError:
pass
aux = traceback.extract_tb(etb)
assert len(records) == len(aux)
for i, (file, lnum, _, _) in zip(range(len(records)), aux):
maybeStart = lnum - 1 - context // 2
start = max(maybeStart, 0)
end = start + context
lines = ulinecache.getlines(file)[start:end]
buf = list(records[i])
buf[LNUM_POS] = lnum
buf[INDEX_POS] = lnum - 1 - start
buf[LINES_POS] = lines
records[i] = tuple(buf)
return records[tb_offset:]
# Helper function -- largely belongs to VerboseTB, but we need the same
# functionality to produce a pseudo verbose TB for SyntaxErrors, so that they
# can be recognized properly by ipython.el's py-traceback-line-re
# (SyntaxErrors have to be treated specially because they have no traceback)
def _format_list(self, extracted_list):
"""Format a list of traceback entry tuples for printing.
Given a list of tuples as returned by extract_tb() or
extract_stack(), return a list of strings ready for printing.
Each string in the resulting list corresponds to the item with the
same index in the argument list. Each string ends in a newline;
the strings may contain internal newlines as well, for those items
whose source text line is not None.
Lifted almost verbatim from traceback.py
"""
Colors = self.Colors
list = []
for filename, lineno, name, line in extracted_list[:-1]:
item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \
(Colors.filename, py3compat.cast_unicode_py2(filename, "utf-8"), Colors.Normal,
Colors.lineno, lineno, Colors.Normal,
Colors.name, py3compat.cast_unicode_py2(name, "utf-8"), Colors.Normal)
if line:
item += ' %s\n' % line.strip()
list.append(item)
# Emphasize the last entry
filename, lineno, name, line = extracted_list[-1]
item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \
(Colors.normalEm,
Colors.filenameEm, py3compat.cast_unicode_py2(filename, "utf-8"), Colors.normalEm,
Colors.linenoEm, lineno, Colors.normalEm,
Colors.nameEm, py3compat.cast_unicode_py2(name, "utf-8"), Colors.normalEm,
Colors.Normal)
if line:
item += '%s %s%s\n' % (Colors.line, line.strip(),
Colors.Normal)
list.append(item)
return list
def _some_str(self, value):
# Lifted from traceback.py
try:
return py3compat.cast_unicode(str(value))
except:
return u'<unprintable %s object>' % type(value).__name__
#----------------------------------------------------------------------------
def _fixed_getinnerframes(etb, context=1, tb_offset=0):
LNUM_POS, LINES_POS, INDEX_POS = 2, 4, 5
records = fix_frame_records_filenames(inspect.getinnerframes(etb, context))
# If the error is at the console, don't build any context, since it would
# otherwise produce 5 blank lines printed out (there is no file at the
# console)
rec_check = records[tb_offset:]
try:
rname = rec_check[0][1]
if rname == '<ipython console>' or rname.endswith('<string>'):
return rec_check
except IndexError:
pass
aux = traceback.extract_tb(etb)
assert len(records) == len(aux)
for i, (file, lnum, _, _) in enumerate(aux):
maybeStart = lnum - 1 - context // 2
start = max(maybeStart, 0)
end = start + context
lines = linecache.getlines(file)[start:end]
buf = list(records[i])
buf[LNUM_POS] = lnum
buf[INDEX_POS] = lnum - 1 - start
buf[LINES_POS] = lines
records[i] = tuple(buf)
return records[tb_offset:]
# Helper function -- largely belongs to VerboseTB, but we need the same
# functionality to produce a pseudo verbose TB for SyntaxErrors, so that they
# can be recognized properly by ipython.el's py-traceback-line-re
# (SyntaxErrors have to be treated specially because they have no traceback)
def _format_list(self, extracted_list):
"""Format a list of traceback entry tuples for printing.
Given a list of tuples as returned by extract_tb() or
extract_stack(), return a list of strings ready for printing.
Each string in the resulting list corresponds to the item with the
same index in the argument list. Each string ends in a newline;
the strings may contain internal newlines as well, for those items
whose source text line is not None.
Lifted almost verbatim from traceback.py
"""
Colors = self.Colors
list = []
for filename, lineno, name, line in extracted_list[:-1]:
item = ' File %s"%s"%s, line %s%d%s, in %s%s%s\n' % \
(Colors.filename, filename, Colors.Normal,
Colors.lineno, lineno, Colors.Normal,
Colors.name, name, Colors.Normal)
if line:
item += ' %s\n' % line.strip()
list.append(item)
# Emphasize the last entry
filename, lineno, name, line = extracted_list[-1]
item = '%s File %s"%s"%s, line %s%d%s, in %s%s%s%s\n' % \
(Colors.normalEm,
Colors.filenameEm, filename, Colors.normalEm,
Colors.linenoEm, lineno, Colors.normalEm,
Colors.nameEm, name, Colors.normalEm,
Colors.Normal)
if line:
item += '%s %s%s\n' % (Colors.line, line.strip(),
Colors.Normal)
list.append(item)
return list
def _some_str(self, value):
# Lifted from traceback.py
try:
return py3compat.cast_unicode(str(value))
except:
return u'<unprintable %s object>' % type(value).__name__
#----------------------------------------------------------------------------
