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d d d& d � Z d d& d � Z d � Z d � Z d � Z d d d& d � Z d d& d! � Z d d d& d" � Z d d d d# � Z d d d$ � Z d d d% � Z d S(' u@ Extract, format and print information about Python stack traces.i Nu
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c C s | j | | � d S( N( u write( u fileu stru
terminator( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu _print s c C ss | d k r t j } n xT | D]L \ } } } } t | d | | | f � | r t | d | j � � q q Wd S( uy Print the list of tuples as returned by extract_tb() or
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W| S( u� 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.
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the strings may contain internal newlines as well, for those items
whose source text line is not None.
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| d | j � � n | j } | d } qK Wd S( u 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.
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c C s t t | | � � S( u6 A shorthand for 'format_list(extract_stack(f, limit)).( u format_listu
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� } n d } | j | | | | f � | j } | d } q9 W| S( u� 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.
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The above exception was the direct cause of the following exception:
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During handling of the above exception, another exception occurred:
c c s | d k r t � } n | j | � g } | j } | d k r~ | | k r~ | j t | d | � � | j t d f g � nS | j } | d k r� | | k r� | j t | d | � � | j t d f g � n | j | | p� | j f g � x$ | D] } x | D] } | VqWq� Wd S( N(
u Noneu setu addu __cause__u appendu _iter_chainu _cause_messageu __context__u _context_messageu
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c C s� | d k r t j } n | r0 t | | � } n | | f g } x� | D]� \ } } t | t � rt t | | � qF n | r� t | d � t | | | � n t t | � | � } x | D] } t | | d � q� WqF Wd S( u� 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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u Noneu sysu stderru _iter_chainu
isinstanceu stru _printu print_tbu format_exception_onlyu type( u etypeu valueu tbu limitu fileu chainu valuesu linesu line( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu print_exception� s
c C s� g } | r t | | � } n | | f g } x� | D]z \ } } t | t � rf | j | d � q4 n | r� | j d � | j t | | � � n | j t t | � | � � q4 W| S( uz 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().
u
u# Traceback (most recent call last):
( u _iter_chainu
isinstanceu stru appendu extendu format_tbu format_exception_onlyu type( u etypeu valueu tbu limitu chainu listu values( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu format_exception� s
c C se | d k r t | | � g S| j } | j } | d k rK | d | } n t | t � sj t | | � g Sg } | j p| d } t | j � p� d } | j d | | f � | j
} | j } | d k r;| j d | j � � | d k r;| j
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f � | S( u 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.
u __main__u builtinsu .u <string>u ?u File "%s", line %s
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u
Nc s s' | ] } | j � r | p d Vq d S( u N( u isspace( u .0u c( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu <genexpr>� s u %s^
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__module__u
issubclassu SyntaxErroru filenameu stru linenou appendu textu offsetu stripu rstripu lstripu joinu msg( u etypeu valueu stypeu smodu linesu filenameu linenou badlineu offsetu
caretspaceu msg( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu format_exception_only� s. c C s@ t | � } | d k s | r, d | } n d | | f } | S( Nu %s
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c C s. y t | � SWn d t | � j SYn Xd S( Nu <unprintable %s object>( u stru typeu __name__( u value( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu _some_str� s c
C s` | d k r t j } n z2 t j � \ } } } t | | | | | | � Wd d } } } Xd S( u> Shorthand for 'print_exception(*sys.exc_info(), limit, file)'.N( u Noneu sysu stderru exc_infou print_exception( u limitu fileu chainu etypeu valueu tb( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu print_exc� s c
C sN z8 t j � \ } } } d j t | | | | | � � SWd d } } } Xd S( u% Like print_exc() but return a string.u N( u sysu exc_infou joinu format_exceptionu None( u limitu chainu etypeu valueu tb( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu
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c C s\ t t d � s t d � � n | d k r6 t j } n t t j t j t j | | | � d S( un This is a shorthand for 'print_exception(sys.last_type,
sys.last_value, sys.last_traceback, limit, file)'.u last_typeu no last exceptionN( u hasattru sysu
ValueErroru Noneu stderru print_exceptionu last_typeu
last_valueu last_traceback( u limitu fileu chain( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu
print_last s c C s^ | d k rD y
t � WqD t k
r@ t j � d j j } YqD Xn t t | | � | � d S( u� 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().
i N( u Noneu ZeroDivisionErroru sysu exc_infou tb_frameu f_backu
print_listu
extract_stack( u fu limitu file( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu print_stack s
c C sW | d k rD y
t � WqD t k
r@ t j � d j j } YqD Xn t t | | � � S( u5 Shorthand for 'format_list(extract_stack(f, limit))'.i N( u Noneu ZeroDivisionErroru sysu exc_infou tb_frameu f_backu format_listu
extract_stack( u fu limit( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu format_stack+ s
c C sC | d k rD y
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r@ t j � d j j } YqD Xn | d k rn t t d � rn t j } qn n g } d } x� | d k r4| d k s� | | k r4| j } | j } | j
} | j } t j
| � t j | | | j � } | r� | j � } n d } | j | | | | f � | j } | d } q} W| j � | S( us 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.
i u tracebacklimiti i N( u Noneu ZeroDivisionErroru sysu exc_infou tb_frameu f_backu hasattru tracebacklimitu f_linenou f_codeu co_filenameu co_nameu linecacheu
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T( u __doc__u linecacheu sysu __all__u _printu Noneu
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extract_tbu _cause_messageu _context_messageu _iter_chainu Trueu print_exceptionu format_exceptionu format_exception_onlyu _format_final_exc_lineu _some_stru print_excu
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extract_stack( ( ( u0 /usr/local/python-3.2/lib/python3.2/traceback.pyu <module> s4 ! 0