python (3.12.0)
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extract_stack
extract_tbformat_exceptionformat_exception_only format_list format_stack format_tb print_exc
format_excprint_exception
print_last print_stackprint_tb clear_frames FrameSummary StackSummaryTracebackException
walk_stackwalk_tbc |t j }t j | j D ] }t ||d y)zyPrint the list of tuples as returned by extract_tb() or
extract_stack() as a formatted stack trace to the given file.N fileend)sysstderrr from_listformatprint)extracted_listr items =/BuggyBox/python/3.12.0/bootstrap/lib/python3.12/traceback.py
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d2&' c H t j | j S )a Format a list of tuples or FrameSummary objects for printing.
Given a list of tuples or FrameSummary objects 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.
)r r r )r! s r# r r s ! !. 1 8 8 ::r% c 4 t t | | | y)a Print up to 'limit' stack trace entries from the traceback 'tb'.
If 'limit' is omitted or None, all entries are printed. If 'file'
is omitted or None, the output goes to sys.stderr; otherwise
'file' should be an open file or file-like object with a write()
method.
limitr N)r$ r )tbr) r s r# r r / s z"E*6r% c 8 t | | j S )z5A shorthand for 'format_list(extract_tb(tb, limit))'.r( )r r r+ r) s r# r
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Return a StackSummary object representing a list of
pre-processed entries from traceback.
This is useful for alternate formatting of stack traces. If
'limit' is omitted or None, all entries are extracted. A
pre-processed stack trace entry is a FrameSummary object
containing attributes filename, lineno, name, and line
representing the information that is usually printed for a stack
trace. The line is a string with leading and trailing
whitespace stripped; if the source is not available it is None.
r( )r _extract_from_extended_frame_gen _walk_tb_with_full_positionsr- s r# r r = s& 8 8$R( 9 7 7r% zG
The above exception was the direct cause of the following exception:
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During handling of the above exception, another exception occurred:
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; "9r% Tc | t | || \ }}t t | |||d }|j || y)a Print exception up to 'limit' stack trace entries from 'tb' to 'file'.
This differs from print_tb() in the following ways: (1) if
traceback is not None, it prints a header "Traceback (most recent
call last):"; (2) it prints the exception type and value after the
stack trace; (3) if type is SyntaxError and value has the
appropriate format, it prints the line where the syntax error
occurred with a caret on the next line indicating the approximate
position of the error.
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o s< UB/IE2 DK% NBHH$eH$r% c t | || \ }}t t | |||d }t |j | S )az Format a stack trace and the exception information.
The arguments have the same meaning as the corresponding arguments
to print_exception(). The return value is a list of strings, each
ending in a newline and some containing internal newlines. When
these lines are concatenated and printed, exactly the same text is
printed as does print_exception().
TrH rK )rF r rC listr )rD rE r+ r) rK rL s r# r r sB UB/IE2 DK% NB & ''r% c x |t u r| }t t | |dd }t |j S )a Format the exception part of a traceback.
The return value is a list of strings, each ending in a newline.
Normally, the list contains a single string; however, for
SyntaxError exceptions, it contains several lines that (when
printed) display detailed information about where the syntax
error occurred.
The message indicating which exception occurred is always the last
string in the list.
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!c F t t j | || y)zEShorthand for 'print_exception(sys.exception(), limit, file, chain)'.r) r rK N)r
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s~~s7I7I tU ,r% c t | t j j } t t | | | y)zPrint a stack trace from its invocation point.
The optional 'f' argument can be used to specify an alternate
stack frame at which to start. The optional 'limit' and 'file'
arguments have the same meaning as for print_exception().
Nr( r* )r _getframef_backr$ r )fr) r s r# r r s+ y MMO " "}Qe,48r% c n | t j j } t t | | S )z5Shorthand for 'format_list(extract_stack(f, limit))'.r( )r rj rk r r )rl r) s r# r r s* y MMO " " }Qe4 55r% c | t j j } t j t | | }|j
|S )as Extract the raw traceback from the current stack frame.
The return value has the same format as for extract_tb(). The
optional 'f' and 'limit' arguments have the same meaning as for
print_stack(). Each item in the list is a quadruple (filename,
line number, function name, text), and the entries are in order
from oldest to newest stack frame.
r( )r rj rk r extractr reverse)rl r) stacks r# r r sA y MMO " " A e <E MMO Lr% c | | + | j j | j } | *yy# t $ r Y w xY w)zEClear all references to local variables in the frames of a traceback.N)tb_frameclear RuntimeErrortb_nextr+ s r# r r sB
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y)r a> Information about a single frame from a traceback.
- :attr:`filename` The filename for the frame.
- :attr:`lineno` The line within filename for the frame that was
active when the frame was captured.
- :attr:`name` The name of the function or method that was executing
when the frame was captured.
- :attr:`line` The text from the linecache module for the
of code that was running when the frame was captured.
- :attr:`locals` Either None if locals were not supplied, or a dict
mapping the name to the repr() of the variable.
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:param lookup_line: If True, `linecache` is consulted for the source
code line. Otherwise, the line will be looked up when first needed.
:param locals: If supplied the frame locals, which will be captured as
object representations.
:param line: If provided, use this instead of looking up the line in
the linecache.
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" "r% r c # K | <t j j j j j } | | | j f | j } | yyw)zWalk a stack yielding the frame and line number for each frame.
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Z y) r z?A list of FrameSummary objects, representing a stack of frames.NTFr) lookup_linescapture_localsc B fd}| j | ||| S )aW Create a StackSummary from a traceback or stack object.
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include.
:param lookup_lines: If True, lookup lines for each frame immediately,
otherwise lookup is deferred until the frame is rendered.
:param capture_locals: If True, the local variables from each frame will
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}|t kD r|j | |t kD r(|t z }|j d| d|dkD rdnd d |S ) a Format the stack ready for printing.
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y)r a An exception ready for rendering.
The traceback module captures enough attributes from the original exception
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still being able to fully print or format it.
max_group_width and max_group_depth control the formatting of exception
groups. The depth refers to the nesting level of the group, and the width
refers to the size of a single exception group's exceptions array. The
formatted output is truncated when either limit is exceeded.
Use `from_exception` to create TracebackException instances from exception
objects, or the constructor to create TracebackException instances from
individual components.
- :attr:`__cause__` A TracebackException of the original *__cause__*.
- :attr:`__context__` A TracebackException of the original *__context__*.
- :attr:`exceptions` For exception groups - a list of TracebackException
instances for the nested *exceptions*. ``None`` for other exceptions.
- :attr:`__suppress_context__` The *__suppress_context__* value from the
original exception.
- :attr:`stack` A `StackSummary` representing the traceback.
- :attr:`exc_type` The class of the original traceback.
- :attr:`filename` For syntax errors - the filename where the error
occurred.
- :attr:`lineno` For syntax errors - the linenumber where the error
occurred.
- :attr:`end_lineno` For syntax errors - the end linenumber where the error
occurred. Can be `None` if not present.
- :attr:`text` For syntax errors - the text where the error
occurred.
- :attr:`offset` For syntax errors - the offset into the text where the
error occurred.
- :attr:`end_offset` For syntax errors - the end offset into the text where
the error occurred. Can be `None` if not present.
- :attr:`msg` For syntax errors - the compiler error message.
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