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�@�Tc @ s� d Z d d l Z d d l Z d d l Z d d l m Z m Z d d d d d d d
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d d � Z d Z d Z d d e d � Z d e d � Z d � Z d � Z d � Z d � Z d d e d � Z d e d � Z d d e d! � Z d d d d" � Z d d d# � Z d d d$ � Z d% � Z d& � Z d' d/ d( � � YZ d) � Z! d* � Z" d+ e# f d, � � YZ$ d- d0 d. � � YZ% d S(1 s@ Extract, format and print information about Python stack traces.i����N( t ut PY2t
extract_stackt
extract_tbt format_exceptiont format_exception_onlyt format_listt format_stackt format_tbt print_exct
format_exct print_exceptiont
print_lastt print_stackt print_tbt clear_framesc C sI | d k r t j } n x* t j | � j � D] } | j | � q. Wd S( sy Print the list of tuples as returned by extract_tb() or
extract_stack() as a formatted stack trace to the given file.N( t Nonet syst stderrt StackSummaryt from_listt formatt write( t extracted_listt filet item( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt
print_list s c C s t j | � j � S( s� 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.
( R R R ( R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR s
c C s t t | d | �d | �d S( s 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.
t limitR N( R R ( t tbR R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR + s c C s t | d | �j � S( s5 A shorthand for 'format_list(extract_tb(tb, limit))'.R ( R R ( R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR 5 s c C s t j t | � d | �S( s� Return list of up to limit 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 quadruple (filename, line
number, function name, text) representing the information that is
usually printed for a stack trace. The text is a string with
leading and trailing whitespace stripped; if the source is not
available it is None.
R ( R t extractt walk_tb( R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR 9 s sG
The above exception was the direct cause of the following exception:
sF
During handling of the above exception, another exception occurred:
c C s^ | d k r t j } n x? t t | � | | d | �j d | � D] } | j | � qC Wd S( s� 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.
R t chainN( R R R t TracebackExceptiont typeR R ( t etypet valueR R R R t line( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR S s
+c C s. t t t | � | | d | �j d | � � S( sz 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().
R R ( t listR R! R ( R" R# R R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR h s c C s t t | | d � j � � S( s Format the exception part of a traceback.
The arguments are the exception type and value such as given by
sys.last_type and sys.last_value. 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.
N( R% R R R ( R" R# ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR x s c C sX t | � } | d k s+ | d k s+ | r> t d � | } n t d � | | f } | S( NR s %s
s %s: %s
( t _some_strR R ( R" R# t valuestrR$ ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt _format_final_exc_line� s
c C s\ y@ t r5 y t | � SWq? d t t | � � SXn
t | � SWn d t | � j SXd S( Ns b%ss <unprintable %s object>( R t unicodet reprt strR! t __name__( R# ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR& � s c C sM | d k r d Sy) t | � t k r8 | j t j � � SWn n Xt | � S( s$ _some_str, but for filesystem paths.N( R R! t bytest decodeR t getfilesystemencodingR& ( R# ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt _some_fs_str� s c C s& t d | d | d | t j � � d S( s> Shorthand for 'print_exception(*sys.exc_info(), limit, file)'.R R R N( R R t exc_info( R R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR � s c C s% d j t d | d | t j � � � S( s% Like print_exc() but return a string.t R R ( t joinR R R1 ( R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR
� s c C sD t t d � s t d � � n t t j t j t j | | | � d S( sn This is a shorthand for 'print_exception(sys.last_type,
sys.last_value, sys.last_traceback, limit, file)'.t last_types no last exceptionN( t hasattrR t
ValueErrorR R4 t
last_valuet last_traceback( R R R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR � s c C s t t | d | �d | �d S( s� Print 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().
R R N( R R ( t fR R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR
� s c C s t t | d | �� S( s5 Shorthand for 'format_list(extract_stack(f, limit))'.R ( R R ( R9 R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR � s c C s) t j t | � d | �} | j � | S( ss 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 R t
walk_stackt reverse( R9 R t stack( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR � s
c C s d S( N( R ( ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt <lambda>� R2 c C sN xG | d k rI y t | j d t � � Wn t k
r< n X| j } q Wd S( sE Clear all references to local variables in the frames of a traceback.t clearN( R t getattrt tb_framet _identityt RuntimeErrort tb_next( R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR � s
t FrameSummaryc B sY e Z d Z d Z e d
d
d � Z d � Z d � Z d � Z d
� Z
e d � � Z RS( s, 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.
t filenamet linenot namet _linet localsc C sc | | _ | | _ | | _ | | _ | r4 | j n | rV t d � | j � D� � n d | _ d S( s� Construct a FrameSummary.
: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.
c s s' | ] \ } } | t | � f Vq d S( N( R* ( t .0t kt v( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pys <genexpr> s N( RE RF RG RH R$ t dictt itemsR RI ( t selfRE RF RG t lookup_lineRI R$ ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __init__ s
c C sF | j | j k oE | j | j k oE | j | j k oE | j | j k S( N( RE RF RG RI ( RO t other( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __eq__ s c C s | j | j | j | j f | S( N( RE RF RG R$ ( RO t pos( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __getitem__ s c C s" t | j | j | j | j g � S( N( t iterRE RF RG R$ ( RO ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __iter__ s c C s% d j d | j d | j d | j � S( Ns7 <FrameSummary file {filename}, line {lineno} in {name}>RE RF RG ( R RE RF RG ( RO ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __repr__ s c C s: | j d k r3 t j | j | j � j � | _ n | j S( N( RH R t linecachet getlineRE RF t strip( RO ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR$ $ s $( RE RF RG RH RI N(
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__module__t __doc__t __slots__t TrueR RQ RS RU RW RX t propertyR$ ( ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyRD � s c c sO | d k r! t j � j j } n x' | d k rJ | | j f V| j } q$ Wd S( s� Walk a stack yielding the frame and line number for each frame.
This will follow f.f_back from the given frame. If no frame is given, the
current stack is used. Usually used with StackSummary.extract.
N( R R t _getframet f_backt f_lineno( R9 ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR: + s
c c s1 x* | d k r, | j | j f V| j } q Wd S( s� Walk a traceback yielding the frame and line number for each frame.
This will follow tb.tb_next (and thus is in the opposite order to
walk_stack). Usually used with StackSummary.extract.
N( R R@ t tb_linenoRC ( R ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR 8 s R c B s> e Z d Z e d e e d � � Z e d � � Z d � Z RS( s A stack of frames.c
C s- | d k r! t t d d � } n | � } t � } x� t | � D]� \ } \ } } | d k rn | | k rn Pn | j }
|
j } |
j } | j | � t j
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n d }
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t | | | d t d |
�� q@ Wx | D] } t j | � q� W| r)x | D]
} | j qWn | S( s? Create a StackSummary from a traceback or stack object.
:param frame_gen: A generator that yields (frame, lineno) tuples to
include in the stack.
:param limit: None to include all frames or the number of frames to
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
be captured as object representations into the FrameSummary.
t tracebacklimitRP RI N( R R? R t sett enumeratet f_codet co_filenamet co_namet addRY t lazycachet f_globalst f_localst appendRD t Falset
checkcacheR$ ( t klasst frame_genR t lookup_linest capture_localst resultt fnamesRT R9 RF t coRE RG Rn ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR F s.
c C sb t | t � r t | � St � } x9 | D]1 \ } } } } | j t | | | d | �� q) W| S( s� Create a StackSummary from a simple list of tuples.
This method supports the older Python API. Each tuple should be a
4-tuple with (filename, lineno, name, line) elements.
R$ ( t
isinstanceR Ro RD ( Rr t a_listRv RE RF RG R$ ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR q s
#c C s� g } x� | D]� } g } | j t d � j t | j � | j | j � � | j r{ | j t d � j | j j � � � n | j r� xK t
| j j � � D]1 \ } } | j t d � j d | d | � � q� Wn | j t d � j | � � q
W| S( sG Format the stack ready for printing.
Returns a list of strings ready for printing. Each string in the
resulting list corresponds to a single frame from the stack.
Each string ends in a newline; the strings may contain internal
newlines as well, for those items with source text lines.
s File "{0}", line {1}, in {2}
s {0}
s {name} = {value}
RG R# R2 (
Ro R R R0 RE RF RG R$ R[ RI t sortedRN R3 ( RO Rv t framet rowRG R# ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR s
( ", N(
R, R\ R] t classmethodR R_ Rp R R R ( ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR C s )R c B sb e Z d Z d e e d d � Z e d � � Z d � Z d � Z
d � Z d � Z e d � Z
RS( s� An exception ready for rendering.
The traceback module captures enough attributes from the original exception
to this intermediary form to ensure that no references are held, while
still being able to fully print or format it.
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:`__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
occured.
- :attr:`lineno` For syntax errors - the linenumber where the error
occured.
- :attr:`text` For syntax errors - the text where the error
occured.
- :attr:`offset` For syntax errors - the offset into the text where the
error occured.
- :attr:`msg` For syntax errors - the compiler error message.
c
C s� | d k r t � } n | j | � | r� t | d d � d k r� | j | k r� t t | j � | j | j j d | d t d | d | �} n d } | rt | d d � d k r| j | k rt t | j � | j | j j d | d t d | d | �} n d } | | _ | | _ | r3t | d t � n t | _
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| � d | d | d | �| _ | | _ t | � | _ | r�t | t � r�| j | _ t | j � | _ | j | _ | j | _ | j | _ n | r�| j � n d S( Nt __cause__R Rt Ru t _seent __context__t __suppress_context__( R Rf Rk R? R R R! t
__traceback__Rp R� R� R R R R< t exc_typeR& t _strt
issubclasst SyntaxErrorRE R+ RF t textt offsett msgt _load_lines(
RO R� t exc_valuet
exc_tracebackR Rt Ru R� t causet context( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyRQ � sR
! c O s t t | � | | j | | � S( so Create a TracebackException from an exception.
Only useful in Python 3 specific code.
( R R! R� ( RO t exct argst kwargs( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt from_exception� s c C sQ x | j D]
} | j q
W| j r4 | j j � n | j rM | j j � n d S( s7 Private API. force all lines in the stack to be loaded.N( R< R$ R� R� R ( RO R| ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR� � s c C s | j | j k S( N( t __dict__( RO RR ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyRS � s c C s | j S( N( R� ( RO ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyt __str__� s c c s3 | j d k r$ t d | j � Vd St | j d | j j � } t | j j � } | d k rt | t d � | } n t | j t � s� t | | j � Vd St
| j � p� t d � } t | j
� p� t d � } t d � j | | � Vd } | j d k r]t | j � t k rQ| j
r6t j | t | � � } n | sZt | j � } qZq]| j } n | j } | d k rt d
� j | j � � V| d k r| j d � } t t | � | � d } | | j � } d
� | D� } t d � j d j | � � Vqn | j pt d � } t d � j | | � Vd S( s� Format the exception part of the traceback.
The return value is a generator of strings, each ending in a newline.
Normally, the generator emits a single string; however, for
SyntaxError exceptions, it emites 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 output.
Nt __qualname__t __main__t builtinst
exceptionst .s <string>t ?s File "{0}", line {1}
s {0}
s
i c s s' | ] } | j � r | p d Vq d S( t N( t isspace( RJ t c( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pys <genexpr>6 s s {0}^
R2 s <no detail available>s {0}: {1}
( R� R� R� ( R� R R( R� R? R, R R\ R� R� R0 RE R+ RF R R� R! R- RY RZ t intR� R[ t rstript mint lent lstripR3 R� ( RO t stypet smodRE RF t badlineR� t
caretspaceR� ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR s@
#c c s� | r� | j d k rB x" | j j d | � D] } | Vq+ Wt Vq� | j d k r� | j r� x" | j j d | � D] } | Vqq Wt Vq� n t d � Vx | j j � D] } | Vq� Wx | j � D] } | Vq� Wd S( s� Format the exception.
If chain is not *True*, *__cause__* and *__context__* will not be formatted.
The return value is a generator of strings, each ending in a newline and
some containing internal newlines. `print_exception` is a wrapper around
this method which just prints the lines to a file.
The message indicating which exception occurred is always the last
string in the output.
R s# Traceback (most recent call last):
N(
R R R t _cause_messageR� R� t _context_messageR R< R ( RO R R$ ( ( sD /opt/alt/python27/lib/python2.7/site-packages/traceback2/__init__.pyR ; s
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linecache2RY t sixR R t __all__R R R R R R R� R� R_ R R R R( R& R0 R R
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