mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-18 02:40:40 +00:00
797 lines
27 KiB
Python
797 lines
27 KiB
Python
|
import py
|
||
|
|
import sys
|
||
|
|
from inspect import CO_VARARGS, CO_VARKEYWORDS, isclass
|
||
|
|
|
||
|
|
builtin_repr = repr
|
||
|
|
|
||
|
|
reprlib = py.builtin._tryimport('repr', 'reprlib')
|
||
|
|
|
||
|
|
if sys.version_info[0] >= 3:
|
||
|
|
from traceback import format_exception_only
|
||
|
|
else:
|
||
|
|
from py._code._py2traceback import format_exception_only
|
||
|
|
|
||
|
|
import traceback
|
||
|
|
|
||
|
|
|
||
|
|
class Code(object):
|
||
|
|
""" wrapper around Python code objects """
|
||
|
|
def __init__(self, rawcode):
|
||
|
|
if not hasattr(rawcode, "co_filename"):
|
||
|
|
rawcode = py.code.getrawcode(rawcode)
|
||
|
|
try:
|
||
|
|
self.filename = rawcode.co_filename
|
||
|
|
self.firstlineno = rawcode.co_firstlineno - 1
|
||
|
|
self.name = rawcode.co_name
|
||
|
|
except AttributeError:
|
||
|
|
raise TypeError("not a code object: %r" % (rawcode,))
|
||
|
|
self.raw = rawcode
|
||
|
|
|
||
|
|
def __eq__(self, other):
|
||
|
|
return self.raw == other.raw
|
||
|
|
|
||
|
|
def __ne__(self, other):
|
||
|
|
return not self == other
|
||
|
|
|
||
|
|
@property
|
||
|
|
def path(self):
|
||
|
|
""" return a path object pointing to source code (note that it
|
||
|
|
might not point to an actually existing file). """
|
||
|
|
p = py.path.local(self.raw.co_filename)
|
||
|
|
# maybe don't try this checking
|
||
|
|
if not p.check():
|
||
|
|
# XXX maybe try harder like the weird logic
|
||
|
|
# in the standard lib [linecache.updatecache] does?
|
||
|
|
p = self.raw.co_filename
|
||
|
|
return p
|
||
|
|
|
||
|
|
@property
|
||
|
|
def fullsource(self):
|
||
|
|
""" return a py.code.Source object for the full source file of the code
|
||
|
|
"""
|
||
|
|
from py._code import source
|
||
|
|
full, _ = source.findsource(self.raw)
|
||
|
|
return full
|
||
|
|
|
||
|
|
def source(self):
|
||
|
|
""" return a py.code.Source object for the code object's source only
|
||
|
|
"""
|
||
|
|
# return source only for that part of code
|
||
|
|
return py.code.Source(self.raw)
|
||
|
|
|
||
|
|
def getargs(self, var=False):
|
||
|
|
""" return a tuple with the argument names for the code object
|
||
|
|
|
||
|
|
if 'var' is set True also return the names of the variable and
|
||
|
|
keyword arguments when present
|
||
|
|
"""
|
||
|
|
# handfull shortcut for getting args
|
||
|
|
raw = self.raw
|
||
|
|
argcount = raw.co_argcount
|
||
|
|
if var:
|
||
|
|
argcount += raw.co_flags & CO_VARARGS
|
||
|
|
argcount += raw.co_flags & CO_VARKEYWORDS
|
||
|
|
return raw.co_varnames[:argcount]
|
||
|
|
|
||
|
|
class Frame(object):
|
||
|
|
"""Wrapper around a Python frame holding f_locals and f_globals
|
||
|
|
in which expressions can be evaluated."""
|
||
|
|
|
||
|
|
def __init__(self, frame):
|
||
|
|
self.lineno = frame.f_lineno - 1
|
||
|
|
self.f_globals = frame.f_globals
|
||
|
|
self.f_locals = frame.f_locals
|
||
|
|
self.raw = frame
|
||
|
|
self.code = py.code.Code(frame.f_code)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def statement(self):
|
||
|
|
""" statement this frame is at """
|
||
|
|
if self.code.fullsource is None:
|
||
|
|
return py.code.Source("")
|
||
|
|
return self.code.fullsource.getstatement(self.lineno)
|
||
|
|
|
||
|
|
def eval(self, code, **vars):
|
||
|
|
""" evaluate 'code' in the frame
|
||
|
|
|
||
|
|
'vars' are optional additional local variables
|
||
|
|
|
||
|
|
returns the result of the evaluation
|
||
|
|
"""
|
||
|
|
f_locals = self.f_locals.copy()
|
||
|
|
f_locals.update(vars)
|
||
|
|
return eval(code, self.f_globals, f_locals)
|
||
|
|
|
||
|
|
def exec_(self, code, **vars):
|
||
|
|
""" exec 'code' in the frame
|
||
|
|
|
||
|
|
'vars' are optiona; additional local variables
|
||
|
|
"""
|
||
|
|
f_locals = self.f_locals.copy()
|
||
|
|
f_locals.update(vars)
|
||
|
|
py.builtin.exec_(code, self.f_globals, f_locals)
|
||
|
|
|
||
|
|
def repr(self, object):
|
||
|
|
""" return a 'safe' (non-recursive, one-line) string repr for 'object'
|
||
|
|
"""
|
||
|
|
return py.io.saferepr(object)
|
||
|
|
|
||
|
|
def is_true(self, object):
|
||
|
|
return object
|
||
|
|
|
||
|
|
def getargs(self, var=False):
|
||
|
|
""" return a list of tuples (name, value) for all arguments
|
||
|
|
|
||
|
|
if 'var' is set True also include the variable and keyword
|
||
|
|
arguments when present
|
||
|
|
"""
|
||
|
|
retval = []
|
||
|
|
for arg in self.code.getargs(var):
|
||
|
|
try:
|
||
|
|
retval.append((arg, self.f_locals[arg]))
|
||
|
|
except KeyError:
|
||
|
|
pass # this can occur when using Psyco
|
||
|
|
return retval
|
||
|
|
|
||
|
|
|
||
|
|
class TracebackEntry(object):
|
||
|
|
""" a single entry in a traceback """
|
||
|
|
|
||
|
|
_repr_style = None
|
||
|
|
exprinfo = None
|
||
|
|
|
||
|
|
def __init__(self, rawentry):
|
||
|
|
self._rawentry = rawentry
|
||
|
|
self.lineno = rawentry.tb_lineno - 1
|
||
|
|
|
||
|
|
def set_repr_style(self, mode):
|
||
|
|
assert mode in ("short", "long")
|
||
|
|
self._repr_style = mode
|
||
|
|
|
||
|
|
@property
|
||
|
|
def frame(self):
|
||
|
|
return py.code.Frame(self._rawentry.tb_frame)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def relline(self):
|
||
|
|
return self.lineno - self.frame.code.firstlineno
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "<TracebackEntry %s:%d>" % (self.frame.code.path, self.lineno+1)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def statement(self):
|
||
|
|
""" py.code.Source object for the current statement """
|
||
|
|
source = self.frame.code.fullsource
|
||
|
|
return source.getstatement(self.lineno)
|
||
|
|
|
||
|
|
@property
|
||
|
|
def path(self):
|
||
|
|
""" path to the source code """
|
||
|
|
return self.frame.code.path
|
||
|
|
|
||
|
|
def getlocals(self):
|
||
|
|
return self.frame.f_locals
|
||
|
|
locals = property(getlocals, None, None, "locals of underlaying frame")
|
||
|
|
|
||
|
|
def reinterpret(self):
|
||
|
|
"""Reinterpret the failing statement and returns a detailed information
|
||
|
|
about what operations are performed."""
|
||
|
|
if self.exprinfo is None:
|
||
|
|
source = str(self.statement).strip()
|
||
|
|
x = py.code._reinterpret(source, self.frame, should_fail=True)
|
||
|
|
if not isinstance(x, str):
|
||
|
|
raise TypeError("interpret returned non-string %r" % (x,))
|
||
|
|
self.exprinfo = x
|
||
|
|
return self.exprinfo
|
||
|
|
|
||
|
|
def getfirstlinesource(self):
|
||
|
|
# on Jython this firstlineno can be -1 apparently
|
||
|
|
return max(self.frame.code.firstlineno, 0)
|
||
|
|
|
||
|
|
def getsource(self, astcache=None):
|
||
|
|
""" return failing source code. """
|
||
|
|
# we use the passed in astcache to not reparse asttrees
|
||
|
|
# within exception info printing
|
||
|
|
from py._code.source import getstatementrange_ast
|
||
|
|
source = self.frame.code.fullsource
|
||
|
|
if source is None:
|
||
|
|
return None
|
||
|
|
key = astnode = None
|
||
|
|
if astcache is not None:
|
||
|
|
key = self.frame.code.path
|
||
|
|
if key is not None:
|
||
|
|
astnode = astcache.get(key, None)
|
||
|
|
start = self.getfirstlinesource()
|
||
|
|
try:
|
||
|
|
astnode, _, end = getstatementrange_ast(self.lineno, source,
|
||
|
|
astnode=astnode)
|
||
|
|
except SyntaxError:
|
||
|
|
end = self.lineno + 1
|
||
|
|
else:
|
||
|
|
if key is not None:
|
||
|
|
astcache[key] = astnode
|
||
|
|
return source[start:end]
|
||
|
|
|
||
|
|
source = property(getsource)
|
||
|
|
|
||
|
|
def ishidden(self):
|
||
|
|
""" return True if the current frame has a var __tracebackhide__
|
||
|
|
resolving to True
|
||
|
|
|
||
|
|
mostly for internal use
|
||
|
|
"""
|
||
|
|
try:
|
||
|
|
return self.frame.f_locals['__tracebackhide__']
|
||
|
|
except KeyError:
|
||
|
|
try:
|
||
|
|
return self.frame.f_globals['__tracebackhide__']
|
||
|
|
except KeyError:
|
||
|
|
return False
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
try:
|
||
|
|
fn = str(self.path)
|
||
|
|
except py.error.Error:
|
||
|
|
fn = '???'
|
||
|
|
name = self.frame.code.name
|
||
|
|
try:
|
||
|
|
line = str(self.statement).lstrip()
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
raise
|
||
|
|
except:
|
||
|
|
line = "???"
|
||
|
|
return " File %r:%d in %s\n %s\n" % (fn, self.lineno+1, name, line)
|
||
|
|
|
||
|
|
def name(self):
|
||
|
|
return self.frame.code.raw.co_name
|
||
|
|
name = property(name, None, None, "co_name of underlaying code")
|
||
|
|
|
||
|
|
|
||
|
|
class Traceback(list):
|
||
|
|
""" Traceback objects encapsulate and offer higher level
|
||
|
|
access to Traceback entries.
|
||
|
|
"""
|
||
|
|
Entry = TracebackEntry
|
||
|
|
|
||
|
|
def __init__(self, tb):
|
||
|
|
""" initialize from given python traceback object. """
|
||
|
|
if hasattr(tb, 'tb_next'):
|
||
|
|
def f(cur):
|
||
|
|
while cur is not None:
|
||
|
|
yield self.Entry(cur)
|
||
|
|
cur = cur.tb_next
|
||
|
|
list.__init__(self, f(tb))
|
||
|
|
else:
|
||
|
|
list.__init__(self, tb)
|
||
|
|
|
||
|
|
def cut(self, path=None, lineno=None, firstlineno=None, excludepath=None):
|
||
|
|
""" return a Traceback instance wrapping part of this Traceback
|
||
|
|
|
||
|
|
by provding any combination of path, lineno and firstlineno, the
|
||
|
|
first frame to start the to-be-returned traceback is determined
|
||
|
|
|
||
|
|
this allows cutting the first part of a Traceback instance e.g.
|
||
|
|
for formatting reasons (removing some uninteresting bits that deal
|
||
|
|
with handling of the exception/traceback)
|
||
|
|
"""
|
||
|
|
for x in self:
|
||
|
|
code = x.frame.code
|
||
|
|
codepath = code.path
|
||
|
|
if ((path is None or codepath == path) and
|
||
|
|
(excludepath is None or not hasattr(codepath, 'relto') or
|
||
|
|
not codepath.relto(excludepath)) and
|
||
|
|
(lineno is None or x.lineno == lineno) and
|
||
|
|
(firstlineno is None or x.frame.code.firstlineno == firstlineno)):
|
||
|
|
return Traceback(x._rawentry)
|
||
|
|
return self
|
||
|
|
|
||
|
|
def __getitem__(self, key):
|
||
|
|
val = super(Traceback, self).__getitem__(key)
|
||
|
|
if isinstance(key, type(slice(0))):
|
||
|
|
val = self.__class__(val)
|
||
|
|
return val
|
||
|
|
|
||
|
|
def filter(self, fn=lambda x: not x.ishidden()):
|
||
|
|
""" return a Traceback instance with certain items removed
|
||
|
|
|
||
|
|
fn is a function that gets a single argument, a TracebackItem
|
||
|
|
instance, and should return True when the item should be added
|
||
|
|
to the Traceback, False when not
|
||
|
|
|
||
|
|
by default this removes all the TracebackItems which are hidden
|
||
|
|
(see ishidden() above)
|
||
|
|
"""
|
||
|
|
return Traceback(filter(fn, self))
|
||
|
|
|
||
|
|
def getcrashentry(self):
|
||
|
|
""" return last non-hidden traceback entry that lead
|
||
|
|
to the exception of a traceback.
|
||
|
|
"""
|
||
|
|
for i in range(-1, -len(self)-1, -1):
|
||
|
|
entry = self[i]
|
||
|
|
if not entry.ishidden():
|
||
|
|
return entry
|
||
|
|
return self[-1]
|
||
|
|
|
||
|
|
def recursionindex(self):
|
||
|
|
""" return the index of the frame/TracebackItem where recursion
|
||
|
|
originates if appropriate, None if no recursion occurred
|
||
|
|
"""
|
||
|
|
cache = {}
|
||
|
|
for i, entry in enumerate(self):
|
||
|
|
# id for the code.raw is needed to work around
|
||
|
|
# the strange metaprogramming in the decorator lib from pypi
|
||
|
|
# which generates code objects that have hash/value equality
|
||
|
|
#XXX needs a test
|
||
|
|
key = entry.frame.code.path, id(entry.frame.code.raw), entry.lineno
|
||
|
|
#print "checking for recursion at", key
|
||
|
|
l = cache.setdefault(key, [])
|
||
|
|
if l:
|
||
|
|
f = entry.frame
|
||
|
|
loc = f.f_locals
|
||
|
|
for otherloc in l:
|
||
|
|
if f.is_true(f.eval(co_equal,
|
||
|
|
__recursioncache_locals_1=loc,
|
||
|
|
__recursioncache_locals_2=otherloc)):
|
||
|
|
return i
|
||
|
|
l.append(entry.frame.f_locals)
|
||
|
|
return None
|
||
|
|
|
||
|
|
co_equal = compile('__recursioncache_locals_1 == __recursioncache_locals_2',
|
||
|
|
'?', 'eval')
|
||
|
|
|
||
|
|
class ExceptionInfo(object):
|
||
|
|
""" wraps sys.exc_info() objects and offers
|
||
|
|
help for navigating the traceback.
|
||
|
|
"""
|
||
|
|
_striptext = ''
|
||
|
|
def __init__(self, tup=None, exprinfo=None):
|
||
|
|
if tup is None:
|
||
|
|
tup = sys.exc_info()
|
||
|
|
if exprinfo is None and isinstance(tup[1], AssertionError):
|
||
|
|
exprinfo = getattr(tup[1], 'msg', None)
|
||
|
|
if exprinfo is None:
|
||
|
|
exprinfo = str(tup[1])
|
||
|
|
if exprinfo and exprinfo.startswith('assert '):
|
||
|
|
self._striptext = 'AssertionError: '
|
||
|
|
self._excinfo = tup
|
||
|
|
#: the exception class
|
||
|
|
self.type = tup[0]
|
||
|
|
#: the exception instance
|
||
|
|
self.value = tup[1]
|
||
|
|
#: the exception raw traceback
|
||
|
|
self.tb = tup[2]
|
||
|
|
#: the exception type name
|
||
|
|
self.typename = self.type.__name__
|
||
|
|
#: the exception traceback (py.code.Traceback instance)
|
||
|
|
self.traceback = py.code.Traceback(self.tb)
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "<ExceptionInfo %s tblen=%d>" % (
|
||
|
|
self.typename, len(self.traceback))
|
||
|
|
|
||
|
|
def exconly(self, tryshort=False):
|
||
|
|
""" return the exception as a string
|
||
|
|
|
||
|
|
when 'tryshort' resolves to True, and the exception is a
|
||
|
|
py.code._AssertionError, only the actual exception part of
|
||
|
|
the exception representation is returned (so 'AssertionError: ' is
|
||
|
|
removed from the beginning)
|
||
|
|
"""
|
||
|
|
lines = format_exception_only(self.type, self.value)
|
||
|
|
text = ''.join(lines)
|
||
|
|
text = text.rstrip()
|
||
|
|
if tryshort:
|
||
|
|
if text.startswith(self._striptext):
|
||
|
|
text = text[len(self._striptext):]
|
||
|
|
return text
|
||
|
|
|
||
|
|
def errisinstance(self, exc):
|
||
|
|
""" return True if the exception is an instance of exc """
|
||
|
|
return isinstance(self.value, exc)
|
||
|
|
|
||
|
|
def _getreprcrash(self):
|
||
|
|
exconly = self.exconly(tryshort=True)
|
||
|
|
entry = self.traceback.getcrashentry()
|
||
|
|
path, lineno = entry.frame.code.raw.co_filename, entry.lineno
|
||
|
|
return ReprFileLocation(path, lineno+1, exconly)
|
||
|
|
|
||
|
|
def getrepr(self, showlocals=False, style="long",
|
||
|
|
abspath=False, tbfilter=True, funcargs=False):
|
||
|
|
""" return str()able representation of this exception info.
|
||
|
|
showlocals: show locals per traceback entry
|
||
|
|
style: long|short|no|native traceback style
|
||
|
|
tbfilter: hide entries (where __tracebackhide__ is true)
|
||
|
|
|
||
|
|
in case of style==native, tbfilter and showlocals is ignored.
|
||
|
|
"""
|
||
|
|
if style == 'native':
|
||
|
|
return ReprExceptionInfo(ReprTracebackNative(
|
||
|
|
traceback.format_exception(
|
||
|
|
self.type,
|
||
|
|
self.value,
|
||
|
|
self.traceback[0]._rawentry,
|
||
|
|
)), self._getreprcrash())
|
||
|
|
|
||
|
|
fmt = FormattedExcinfo(
|
||
|
|
showlocals=showlocals, style=style,
|
||
|
|
abspath=abspath, tbfilter=tbfilter, funcargs=funcargs)
|
||
|
|
return fmt.repr_excinfo(self)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
entry = self.traceback[-1]
|
||
|
|
loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
|
||
|
|
return str(loc)
|
||
|
|
|
||
|
|
def __unicode__(self):
|
||
|
|
entry = self.traceback[-1]
|
||
|
|
loc = ReprFileLocation(entry.path, entry.lineno + 1, self.exconly())
|
||
|
|
return loc.__unicode__()
|
||
|
|
|
||
|
|
|
||
|
|
class FormattedExcinfo(object):
|
||
|
|
""" presenting information about failing Functions and Generators. """
|
||
|
|
# for traceback entries
|
||
|
|
flow_marker = ">"
|
||
|
|
fail_marker = "E"
|
||
|
|
|
||
|
|
def __init__(self, showlocals=False, style="long",
|
||
|
|
abspath=True, tbfilter=True, funcargs=False):
|
||
|
|
self.showlocals = showlocals
|
||
|
|
self.style = style
|
||
|
|
self.tbfilter = tbfilter
|
||
|
|
self.funcargs = funcargs
|
||
|
|
self.abspath = abspath
|
||
|
|
self.astcache = {}
|
||
|
|
|
||
|
|
def _getindent(self, source):
|
||
|
|
# figure out indent for given source
|
||
|
|
try:
|
||
|
|
s = str(source.getstatement(len(source)-1))
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
raise
|
||
|
|
except:
|
||
|
|
try:
|
||
|
|
s = str(source[-1])
|
||
|
|
except KeyboardInterrupt:
|
||
|
|
raise
|
||
|
|
except:
|
||
|
|
return 0
|
||
|
|
return 4 + (len(s) - len(s.lstrip()))
|
||
|
|
|
||
|
|
def _getentrysource(self, entry):
|
||
|
|
source = entry.getsource(self.astcache)
|
||
|
|
if source is not None:
|
||
|
|
source = source.deindent()
|
||
|
|
return source
|
||
|
|
|
||
|
|
def _saferepr(self, obj):
|
||
|
|
return py.io.saferepr(obj)
|
||
|
|
|
||
|
|
def repr_args(self, entry):
|
||
|
|
if self.funcargs:
|
||
|
|
args = []
|
||
|
|
for argname, argvalue in entry.frame.getargs(var=True):
|
||
|
|
args.append((argname, self._saferepr(argvalue)))
|
||
|
|
return ReprFuncArgs(args)
|
||
|
|
|
||
|
|
def get_source(self, source, line_index=-1, excinfo=None, short=False):
|
||
|
|
""" return formatted and marked up source lines. """
|
||
|
|
lines = []
|
||
|
|
if source is None or line_index >= len(source.lines):
|
||
|
|
source = py.code.Source("???")
|
||
|
|
line_index = 0
|
||
|
|
if line_index < 0:
|
||
|
|
line_index += len(source)
|
||
|
|
space_prefix = " "
|
||
|
|
if short:
|
||
|
|
lines.append(space_prefix + source.lines[line_index].strip())
|
||
|
|
else:
|
||
|
|
for line in source.lines[:line_index]:
|
||
|
|
lines.append(space_prefix + line)
|
||
|
|
lines.append(self.flow_marker + " " + source.lines[line_index])
|
||
|
|
for line in source.lines[line_index+1:]:
|
||
|
|
lines.append(space_prefix + line)
|
||
|
|
if excinfo is not None:
|
||
|
|
indent = 4 if short else self._getindent(source)
|
||
|
|
lines.extend(self.get_exconly(excinfo, indent=indent, markall=True))
|
||
|
|
return lines
|
||
|
|
|
||
|
|
def get_exconly(self, excinfo, indent=4, markall=False):
|
||
|
|
lines = []
|
||
|
|
indent = " " * indent
|
||
|
|
# get the real exception information out
|
||
|
|
exlines = excinfo.exconly(tryshort=True).split('\n')
|
||
|
|
failindent = self.fail_marker + indent[1:]
|
||
|
|
for line in exlines:
|
||
|
|
lines.append(failindent + line)
|
||
|
|
if not markall:
|
||
|
|
failindent = indent
|
||
|
|
return lines
|
||
|
|
|
||
|
|
def repr_locals(self, locals):
|
||
|
|
if self.showlocals:
|
||
|
|
lines = []
|
||
|
|
keys = [loc for loc in locals if loc[0] != "@"]
|
||
|
|
keys.sort()
|
||
|
|
for name in keys:
|
||
|
|
value = locals[name]
|
||
|
|
if name == '__builtins__':
|
||
|
|
lines.append("__builtins__ = <builtins>")
|
||
|
|
else:
|
||
|
|
# This formatting could all be handled by the
|
||
|
|
# _repr() function, which is only reprlib.Repr in
|
||
|
|
# disguise, so is very configurable.
|
||
|
|
str_repr = self._saferepr(value)
|
||
|
|
#if len(str_repr) < 70 or not isinstance(value,
|
||
|
|
# (list, tuple, dict)):
|
||
|
|
lines.append("%-10s = %s" %(name, str_repr))
|
||
|
|
#else:
|
||
|
|
# self._line("%-10s =\\" % (name,))
|
||
|
|
# # XXX
|
||
|
|
# pprint.pprint(value, stream=self.excinfowriter)
|
||
|
|
return ReprLocals(lines)
|
||
|
|
|
||
|
|
def repr_traceback_entry(self, entry, excinfo=None):
|
||
|
|
source = self._getentrysource(entry)
|
||
|
|
if source is None:
|
||
|
|
source = py.code.Source("???")
|
||
|
|
line_index = 0
|
||
|
|
else:
|
||
|
|
# entry.getfirstlinesource() can be -1, should be 0 on jython
|
||
|
|
line_index = entry.lineno - max(entry.getfirstlinesource(), 0)
|
||
|
|
|
||
|
|
lines = []
|
||
|
|
style = entry._repr_style
|
||
|
|
if style is None:
|
||
|
|
style = self.style
|
||
|
|
if style in ("short", "long"):
|
||
|
|
short = style == "short"
|
||
|
|
reprargs = self.repr_args(entry) if not short else None
|
||
|
|
s = self.get_source(source, line_index, excinfo, short=short)
|
||
|
|
lines.extend(s)
|
||
|
|
if short:
|
||
|
|
message = "in %s" %(entry.name)
|
||
|
|
else:
|
||
|
|
message = excinfo and excinfo.typename or ""
|
||
|
|
path = self._makepath(entry.path)
|
||
|
|
filelocrepr = ReprFileLocation(path, entry.lineno+1, message)
|
||
|
|
localsrepr = None
|
||
|
|
if not short:
|
||
|
|
localsrepr = self.repr_locals(entry.locals)
|
||
|
|
return ReprEntry(lines, reprargs, localsrepr, filelocrepr, style)
|
||
|
|
if excinfo:
|
||
|
|
lines.extend(self.get_exconly(excinfo, indent=4))
|
||
|
|
return ReprEntry(lines, None, None, None, style)
|
||
|
|
|
||
|
|
def _makepath(self, path):
|
||
|
|
if not self.abspath:
|
||
|
|
try:
|
||
|
|
np = py.path.local().bestrelpath(path)
|
||
|
|
except OSError:
|
||
|
|
return path
|
||
|
|
if len(np) < len(str(path)):
|
||
|
|
path = np
|
||
|
|
return path
|
||
|
|
|
||
|
|
def repr_traceback(self, excinfo):
|
||
|
|
traceback = excinfo.traceback
|
||
|
|
if self.tbfilter:
|
||
|
|
traceback = traceback.filter()
|
||
|
|
recursionindex = None
|
||
|
|
if excinfo.errisinstance(RuntimeError):
|
||
|
|
if "maximum recursion depth exceeded" in str(excinfo.value):
|
||
|
|
recursionindex = traceback.recursionindex()
|
||
|
|
last = traceback[-1]
|
||
|
|
entries = []
|
||
|
|
extraline = None
|
||
|
|
for index, entry in enumerate(traceback):
|
||
|
|
einfo = (last == entry) and excinfo or None
|
||
|
|
reprentry = self.repr_traceback_entry(entry, einfo)
|
||
|
|
entries.append(reprentry)
|
||
|
|
if index == recursionindex:
|
||
|
|
extraline = "!!! Recursion detected (same locals & position)"
|
||
|
|
break
|
||
|
|
return ReprTraceback(entries, extraline, style=self.style)
|
||
|
|
|
||
|
|
def repr_excinfo(self, excinfo):
|
||
|
|
reprtraceback = self.repr_traceback(excinfo)
|
||
|
|
reprcrash = excinfo._getreprcrash()
|
||
|
|
return ReprExceptionInfo(reprtraceback, reprcrash)
|
||
|
|
|
||
|
|
class TerminalRepr:
|
||
|
|
def __str__(self):
|
||
|
|
s = self.__unicode__()
|
||
|
|
if sys.version_info[0] < 3:
|
||
|
|
s = s.encode('utf-8')
|
||
|
|
return s
|
||
|
|
|
||
|
|
def __unicode__(self):
|
||
|
|
# FYI this is called from pytest-xdist's serialization of exception
|
||
|
|
# information.
|
||
|
|
io = py.io.TextIO()
|
||
|
|
tw = py.io.TerminalWriter(file=io)
|
||
|
|
self.toterminal(tw)
|
||
|
|
return io.getvalue().strip()
|
||
|
|
|
||
|
|
def __repr__(self):
|
||
|
|
return "<%s instance at %0x>" %(self.__class__, id(self))
|
||
|
|
|
||
|
|
|
||
|
|
class ReprExceptionInfo(TerminalRepr):
|
||
|
|
def __init__(self, reprtraceback, reprcrash):
|
||
|
|
self.reprtraceback = reprtraceback
|
||
|
|
self.reprcrash = reprcrash
|
||
|
|
self.sections = []
|
||
|
|
|
||
|
|
def addsection(self, name, content, sep="-"):
|
||
|
|
self.sections.append((name, content, sep))
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
self.reprtraceback.toterminal(tw)
|
||
|
|
for name, content, sep in self.sections:
|
||
|
|
tw.sep(sep, name)
|
||
|
|
tw.line(content)
|
||
|
|
|
||
|
|
class ReprTraceback(TerminalRepr):
|
||
|
|
entrysep = "_ "
|
||
|
|
|
||
|
|
def __init__(self, reprentries, extraline, style):
|
||
|
|
self.reprentries = reprentries
|
||
|
|
self.extraline = extraline
|
||
|
|
self.style = style
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
# the entries might have different styles
|
||
|
|
last_style = None
|
||
|
|
for i, entry in enumerate(self.reprentries):
|
||
|
|
if entry.style == "long":
|
||
|
|
tw.line("")
|
||
|
|
entry.toterminal(tw)
|
||
|
|
if i < len(self.reprentries) - 1:
|
||
|
|
next_entry = self.reprentries[i+1]
|
||
|
|
if entry.style == "long" or \
|
||
|
|
entry.style == "short" and next_entry.style == "long":
|
||
|
|
tw.sep(self.entrysep)
|
||
|
|
|
||
|
|
if self.extraline:
|
||
|
|
tw.line(self.extraline)
|
||
|
|
|
||
|
|
class ReprTracebackNative(ReprTraceback):
|
||
|
|
def __init__(self, tblines):
|
||
|
|
self.style = "native"
|
||
|
|
self.reprentries = [ReprEntryNative(tblines)]
|
||
|
|
self.extraline = None
|
||
|
|
|
||
|
|
class ReprEntryNative(TerminalRepr):
|
||
|
|
style = "native"
|
||
|
|
|
||
|
|
def __init__(self, tblines):
|
||
|
|
self.lines = tblines
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
tw.write("".join(self.lines))
|
||
|
|
|
||
|
|
class ReprEntry(TerminalRepr):
|
||
|
|
localssep = "_ "
|
||
|
|
|
||
|
|
def __init__(self, lines, reprfuncargs, reprlocals, filelocrepr, style):
|
||
|
|
self.lines = lines
|
||
|
|
self.reprfuncargs = reprfuncargs
|
||
|
|
self.reprlocals = reprlocals
|
||
|
|
self.reprfileloc = filelocrepr
|
||
|
|
self.style = style
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
if self.style == "short":
|
||
|
|
self.reprfileloc.toterminal(tw)
|
||
|
|
for line in self.lines:
|
||
|
|
red = line.startswith("E ")
|
||
|
|
tw.line(line, bold=True, red=red)
|
||
|
|
#tw.line("")
|
||
|
|
return
|
||
|
|
if self.reprfuncargs:
|
||
|
|
self.reprfuncargs.toterminal(tw)
|
||
|
|
for line in self.lines:
|
||
|
|
red = line.startswith("E ")
|
||
|
|
tw.line(line, bold=True, red=red)
|
||
|
|
if self.reprlocals:
|
||
|
|
#tw.sep(self.localssep, "Locals")
|
||
|
|
tw.line("")
|
||
|
|
self.reprlocals.toterminal(tw)
|
||
|
|
if self.reprfileloc:
|
||
|
|
if self.lines:
|
||
|
|
tw.line("")
|
||
|
|
self.reprfileloc.toterminal(tw)
|
||
|
|
|
||
|
|
def __str__(self):
|
||
|
|
return "%s\n%s\n%s" % ("\n".join(self.lines),
|
||
|
|
self.reprlocals,
|
||
|
|
self.reprfileloc)
|
||
|
|
|
||
|
|
class ReprFileLocation(TerminalRepr):
|
||
|
|
def __init__(self, path, lineno, message):
|
||
|
|
self.path = str(path)
|
||
|
|
self.lineno = lineno
|
||
|
|
self.message = message
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
# filename and lineno output for each entry,
|
||
|
|
# using an output format that most editors unterstand
|
||
|
|
msg = self.message
|
||
|
|
i = msg.find("\n")
|
||
|
|
if i != -1:
|
||
|
|
msg = msg[:i]
|
||
|
|
tw.line("%s:%s: %s" %(self.path, self.lineno, msg))
|
||
|
|
|
||
|
|
class ReprLocals(TerminalRepr):
|
||
|
|
def __init__(self, lines):
|
||
|
|
self.lines = lines
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
for line in self.lines:
|
||
|
|
tw.line(line)
|
||
|
|
|
||
|
|
class ReprFuncArgs(TerminalRepr):
|
||
|
|
def __init__(self, args):
|
||
|
|
self.args = args
|
||
|
|
|
||
|
|
def toterminal(self, tw):
|
||
|
|
if self.args:
|
||
|
|
linesofar = ""
|
||
|
|
for name, value in self.args:
|
||
|
|
ns = "%s = %s" %(name, value)
|
||
|
|
if len(ns) + len(linesofar) + 2 > tw.fullwidth:
|
||
|
|
if linesofar:
|
||
|
|
tw.line(linesofar)
|
||
|
|
linesofar = ns
|
||
|
|
else:
|
||
|
|
if linesofar:
|
||
|
|
linesofar += ", " + ns
|
||
|
|
else:
|
||
|
|
linesofar = ns
|
||
|
|
if linesofar:
|
||
|
|
tw.line(linesofar)
|
||
|
|
tw.line("")
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
oldbuiltins = {}
|
||
|
|
|
||
|
|
def patch_builtins(assertion=True, compile=True):
|
||
|
|
""" put compile and AssertionError builtins to Python's builtins. """
|
||
|
|
if assertion:
|
||
|
|
from py._code import assertion
|
||
|
|
l = oldbuiltins.setdefault('AssertionError', [])
|
||
|
|
l.append(py.builtin.builtins.AssertionError)
|
||
|
|
py.builtin.builtins.AssertionError = assertion.AssertionError
|
||
|
|
if compile:
|
||
|
|
l = oldbuiltins.setdefault('compile', [])
|
||
|
|
l.append(py.builtin.builtins.compile)
|
||
|
|
py.builtin.builtins.compile = py.code.compile
|
||
|
|
|
||
|
|
def unpatch_builtins(assertion=True, compile=True):
|
||
|
|
""" remove compile and AssertionError builtins from Python builtins. """
|
||
|
|
if assertion:
|
||
|
|
py.builtin.builtins.AssertionError = oldbuiltins['AssertionError'].pop()
|
||
|
|
if compile:
|
||
|
|
py.builtin.builtins.compile = oldbuiltins['compile'].pop()
|
||
|
|
|
||
|
|
def getrawcode(obj, trycall=True):
|
||
|
|
""" return code object for given function. """
|
||
|
|
try:
|
||
|
|
return obj.__code__
|
||
|
|
except AttributeError:
|
||
|
|
obj = getattr(obj, 'im_func', obj)
|
||
|
|
obj = getattr(obj, 'func_code', obj)
|
||
|
|
obj = getattr(obj, 'f_code', obj)
|
||
|
|
obj = getattr(obj, '__code__', obj)
|
||
|
|
if trycall and not hasattr(obj, 'co_firstlineno'):
|
||
|
|
if hasattr(obj, '__call__') and not isclass(obj):
|
||
|
|
x = getrawcode(obj.__call__, trycall=False)
|
||
|
|
if hasattr(x, 'co_firstlineno'):
|
||
|
|
return x
|
||
|
|
return obj
|
||
|
|
|