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a o�h�� � @ s d Z ddlmZ ddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl m Z ddl m Z mZmZmZ ddlZddlmZ ddlmZ ddlm mZ ddlmZ dd lm Z dd l m Z dd l m Z dd l!m"Z" dd l!m#Z$ ddl!m%Z% ddl&m'Z' dZ(dZ)dZ*e�+� e,e-d�dd��Z.e j/e-d�dd�Z0e,fdd�Z1e2d�d d �Z3d d � Z4dd �d!d"�Z5G d#d$� d$ej6�Z7G d%d&� d&e7�Z8G d'd(� d(�Z9G d)d*� d*e7�Z:G d+d,� d,e:e8�Z;G d-d.� d.e;�Z<G d/d0� d0e;�Z=G d1d2� d2e8�Z>d3d4� Z?e?fd5d6�Z@e?fd7d8�ZAdS )9a] Verbose and colourful traceback formatting. **ColorTB** I've always found it a bit hard to visually parse tracebacks in Python. The ColorTB class is a solution to that problem. It colors the different parts of a traceback in a manner similar to what you would expect from a syntax-highlighting text editor. Installation instructions for ColorTB:: import sys,ultratb sys.excepthook = ultratb.ColorTB() **VerboseTB** I've also included a port of Ka-Ping Yee's "cgitb.py" that produces all kinds of useful info when a traceback occurs. Ping originally had it spit out HTML and intended it for CGI programmers, but why should they have all the fun? I altered it to spit out colored text to the terminal. It's a bit overwhelming, but kind of neat, and maybe useful for long-running programs that you believe are bug-free. If a crash *does* occur in that type of program you want details. Give it a shot--you'll love it or you'll hate it. .. note:: The Verbose mode prints the variables currently visible where the exception happened (shortening their strings if too long). This can potentially be very slow, if you happen to have a huge data structure whose string representation is complex to compute. Your computer may appear to freeze for a while with cpu usage at 100%. If this occurs, you can cancel the traceback with Ctrl-C (maybe hitting it more than once). If you encounter this kind of situation often, you may want to use the Verbose_novars mode instead of the regular Verbose, which avoids formatting variables (but otherwise includes the information and context given by Verbose). .. note:: The verbose mode print all variables in the stack, which means it can potentially leak sensitive information like access keys, or unencrypted password. Installation instructions for VerboseTB:: import sys,ultratb sys.excepthook = ultratb.VerboseTB() Note: Much of the code in this module was lifted verbatim from the standard library module 'traceback.py' and Ka-Ping Yee's 'cgitb.py'. Color schemes ------------- The colors are defined in the class TBTools through the use of the ColorSchemeTable class. Currently the following exist: - NoColor: allows all of this module to be used in any terminal (the color escapes are just dummy blank strings). - Linux: is meant to look good in a terminal like the Linux console (black or very dark background). - LightBG: similar to Linux but swaps dark/light colors to be more readable in light background terminals. - Neutral: a neutral color scheme that should be readable on both light and dark background You can implement other color schemes easily, the syntax is fairly self-explanatory. Please send back new schemes you develop to the author for possible inclusion in future releases. Inheritance diagram: .. inheritance-diagram:: IPython.core.ultratb :parts: 3 � )�SequenceN)� TracebackType)�Any�List�Optional�Tuple)�Terminal256Formatter)�get_style_by_name)� get_ipython)�debugger)� DisplayTrap)�exception_colors)� PyColorize)�path)� py3compat)�get_terminal_size� �NoColori' )�filename�returnc C sh | � d�sdS z@t| d��"}tdd� |D ��}W d � n1 sB0 Y W n tyb Y dS 0 |S )z� Given a filename, returns the number of lines in the file if it ends with the extension ".py". Otherwise, returns 0. z.pyr �rc s s | ] }d V qdS )� N� )�.0�liner r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/IPython/core/ultratb.py� <genexpr>� � z)count_lines_in_py_file.<locals>.<genexpr>N)�endswith�open�sum� UnicodeError)r �file�sr r r �count_lines_in_py_file� s 4 r$ )�framer c C s: | j j}|du r2td� t�| �\}}|t|� S t|�S )a Given a frame object, returns the total number of lines in the file containing the frame's code object, or the number of lines in the frame's source code if the file is not available. Parameters ---------- frame : FrameType The frame object whose line number is to be determined. Returns ------- int The total number of lines in the file containing the frame's code object, or the number of lines in the frame's source code if the file is not available. Nz No file....)�f_code� co_filename�print�inspect�getsourcelines�lenr$ )r% r �lines�firstr r r �get_line_number_of_frame� s r. c C s0 z || �W S d|� d|j � d� Y S 0 d S )N�<� z () failed>)�__name__)�value�what�funcr r r � _safe_string� s r5 )� has_colorsc C s� t d }g }| D ]�}|tju r6|�d|j|jf � q|j|d��d�d }|j}|j r�|t t |�� } dt � | �t |�f } |j} nd||f } |j} d| | |j|f }|�|� |r|j r|�|d � q|S )a Format tracebacks lines with pointing arrow, leading numbers... Parameters ---------- lines : list[Line] Colors ColorScheme used. lvals : str Values of local variables, already colored, to inject just after the error line. r z %s (...)%s )Z pygmented� �%s%s�%*s� %s%s%s %s)� INDENT_SIZE� stack_dataZLINE_GAP�append�linenoEm�Normal�render�rstrip�linenoZ is_currentr+ �strr � make_arrow) r, �Colorsr6 �lvals� numbers_width�resZ stack_liner rB �pad�numZ start_colorr r r �_format_traceback_lines� s& rK c C s� t d }g }t|| | �D ]�\}} t�| �} || d�\} } | sB| } || kr�|tt|�� } dt�| �t| �f } d|j| |j | |j f } n d||f } d|j | |j | f } |� | � |r|| kr|� |d � q|S )a� Format tracebacks lines with pointing arrow, leading numbers... Parameters ========== lnum: int number of the target line of code. index: int which line in the list should be highlighted. lines: list[string] Colors: ColorScheme used. lvals: bytes Values of local variables, already colored, to inject just after the error line. _line_format: f (str) -> (str, bool) return (colorized version of str, failure to do so) r rC r8 z %s%s%s %s%sr9 r: r7 ) r; � enumerater � cast_unicoder+ rC r rD r> r r? rB r= )�lnum�indexr, rE rF � _line_formatrG rH �ir �new_line�errrI rJ r r r � _simple_format_traceback_lines� s. � rT �rB c C s� t � }|durV|j�| � }durV|\}}|du rDd|� d|� �}q�d|� d|� �}nBd}t�t�| tj��}|du r�d|� d|� �}nd|� d|� �}|j|||d�S )a Format filename lines with custom formatting from caching compiler or `File *.py` by default Parameters ---------- file : str ColorFilename ColorScheme's filename coloring to be used. ColorNormal ColorScheme's normal coloring to be used. Nz{label} z{name}z{name}, line {lineno}�Filez{name}:{lineno})�label�namerB ) r �compileZformat_code_name� util_path� compress_userr rM Z fs_encoding�format) r" Z ColorFilenameZ ColorNormalrB �ipinst�datarW rX �tpl_linkr r r �_format_filename s$ ��� �r` c s� e Zd ZdZdZd#dd�� fdd� Zd d � Zd d � Zeee�Z e d d� �Z e e eeef d�dd�Zee d�dd�Zeed�dd��Zdd� Zdd� Zdd� Zd$e e d �d d �Zd%ee e e e e e ed �d!d"�Z � Z S )&�TBToolsz2Basic tools used by all traceback printer classes.r r FN)� debugger_clsc s^ t t| �j||d� || _|| _t� | _| �|� || _|p@t j | _ |rT| � � | _ nd | _ d S �N)�parent�config) �superra �__init__�call_pdb�_ostreamr �color_scheme_table� set_colors� old_schemer ZPdbrb �pdb)�self� color_schemerh �ostreamrd re rb �� __class__r r rg H s zTBTools.__init__c C s | j du rtjS | j S )as Output stream that exceptions are written to. Valid values are: - None: the default, which means that IPython will dynamically resolve to sys.stdout. This ensures compatibility with most tools, including Windows (where plain stdout doesn't recognize ANSI escapes). - Any object with 'write' and 'flush' attributes. N)ri �sys�stdout�rn r r r � _get_ostreaml s zTBTools._get_ostreamc C s* |d u s t |d�r t |d�s J �|| _d S )N�write�flush)�hasattrri )rn �valr r r � _set_ostreamy s zTBTools._set_ostreamc C s0 t | dd �}|r|S t | dd�r$d S t | dd �S )N� __cause__�__suppress_context__F� __context__��getattr)Zexception_value�causer r r �_get_chained_exception s z TBTools._get_chained_exception)r c C s | � |�}|r |j||jfS d S �N)r� rr � __traceback__)rn �evalueZchained_evaluer r r � get_parts_of_chained_exception� s z&TBTools.get_parts_of_chained_exceptionc C s" d}d}|r|gg}n|gg}|S )NzF The above exception was the direct cause of the following exception: zE During handling of the above exception, another exception occurred: r )rn r� Z direct_causeZexception_during_handling�messager r r �!prepare_chained_exception_message� s z)TBTools.prepare_chained_exception_messagec C s | j j�� dkS )NZnocolor)rj �active_scheme_name�lowerru r r r r6 � s zTBTools.has_colorsc O sF | j j|i |�� | j j| _t| d�rB| jdurB| jj|i |�� dS )z;Shorthand access to the color table scheme selector method.rm N)rj �set_active_scheme� active_colorsrE ry rm rk )rn �args�kwr r r rk � s zTBTools.set_colorsc C sJ | j jdkr&| j �| j� | j j| _n | j j| _| j �d� | j j| _dS )z=Toggle between the currently active color scheme and NoColor.r N)rj r� r� rl r� rE ru r r r � color_toggle� s zTBTools.color_togglec C s d� |�S )�4Convert a structured traceback (a list) to a string.r7 ��join�rn Zstbr r r �stb2text� s zTBTools.stb2text� )� tb_offsetc C s | � |||||�}| �|�S )zgReturn formatted traceback. Subclasses may override this if they add extra arguments. )�structured_tracebackr� )rn �etyper2 �tbr� �contextZtb_listr r r �text� s �z TBTools.text�r� r� �etbr� �number_of_lines_of_contextc C s t � �dS )zWReturn a list of traceback frames. Must be implemented by each class. N)�NotImplementedError�rn r� r� r� r� r� r r r r� � s z TBTools.structured_traceback)r FNNN)Nr� )NNr� ) r1 � __module__� __qualname__�__doc__r� rg rv r{ �propertyrp � staticmethodr� r r �type� BaseExceptionr r� r r r� �boolr6 rk r� r� �intr� r� � __classcell__r r rq r ra B sD ��$ � ��ra c @ sj e Zd ZdZdd� Zdd� Zdeee ee ee d�d d �Z d d � Z d d� Z dd� Zdd� Zdd� ZdS )�ListTBaj Print traceback information from a traceback list, with optional color. Calling requires 3 arguments: (etype, evalue, elist) as would be obtained by:: etype, evalue, tb = sys.exc_info() if tb: elist = traceback.extract_tb(tb) else: elist = None It can thus be used by programs which need to process the traceback before printing (such as console replacements based on the code module from the standard library). Because they are meant to be called without a full traceback (only a list), instances of this class can't call the interactive pdb debugger.c C s0 | j �� | j �| �|||�� | j �d� d S �Nr7 )rp rx rw r� �rn r� r2 �elistr r r �__call__� s zListTB.__call__c C s |rt �|�S d S d S r� )� traceback� extract_tb)rn r� r r r � _extract_tb� s zListTB._extract_tbNr� �r� r� r� r� c C sT t |t�r|\}}nt� }t |t�r*|}n|dur>| �|�}ng }|du rP| jn|}t |t�sbJ �| j}g } |r�|r�t|�|kr�||d� }| � d|j |j f d � | � | � |�� d�| �||��} | � | � | �|�} | �rPt| d �|v�rP|du�r| �|j�d nd} | \}}}|�t| d �� d} | �||||f| |�| | } | S )a� Return a color formatted string with the traceback info. Parameters ---------- etype : exception type Type of the exception raised. evalue : object Data stored in the exception etb : list | TracebackType | None If list: List of frames, see class docstring for details. If Traceback: Traceback of the exception. tb_offset : int, optional Number of frames in the traceback to skip. If not given, the instance evalue is used (set in constructor). context : int, optional Number of lines of context information to print. Returns ------- String with formatted exception. Nz&Traceback %s(most recent call last)%s:r7 � r r )� isinstance�tuple�set�listr� r� r� rE r+ r= �normalEmr? �extend� _format_listr� �_format_exception_onlyr� �idr� r| �addr� )rn r� r� r� r� r� �chained_exc_idsr� rE Zout_listr, � exceptionZchained_exception_message� chained_exceptions_tb_offsetr r r r� � sZ �� �� ���� zListTB.structured_tracebackc C s� | j }g }t|�D ]�\}\}}}}|t|�d krF|j|j|j|jfn|j|j|j df\} } } } t || | |d�} | � d| � �}|dkr�|d| � |� | � d�7 }n|d7 }|r�|| � d|� � � | � d�7 }|� |� q|S ) a 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 r r� rU z �<module>z in r7 � ) rE rL r+ r� ZnameEm� filenameEmr r? rX r r` �stripr= )rn �extracted_listrE � output_list�indr rB rX r Z normalColZnameColZfileColZlineColZfns�itemr r r r� D s �� zListTB._format_listc C s d}| j }g }t�|j|j |j �}|du r@|�|d � �n�t|t��rxd}|j s\d|_ |j rz|j }t � |j |j �}nd}d}|�d|j t|j |j|j |dkr�dn|d �|jf � |dkr�t�|jd �}|du�rxd } | t|�k r�|| �� r�| d 7 } q�|�d |j|�� |jf � |jdu�rxd} || |jd � D ]"} | �� �rT| | 7 } n| d7 } �q<|�d|j| |jf � z |j} W n t�y� | �|�} Y n0 | �r�|�d||j|j| f � n|�d| � |�dd� t|dg �D �� |�rt � } | du�r| j � |j |j d � |S )aT Format the exception part of a traceback. The arguments are the exception type and value such as given by sys.exc_info()[:2]. 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 the always last string in the list. Also lifted nearly verbatim from traceback.py FNr7 Tz<string>�unknownr� z %s %s%s rU zutf-8r r z %s %s%s r� r0 z%s%s^%s z %s%s:%s %s z%s c s s | ]}|� d �V qdS )r7 Nr )r �xr r r r � r z0ListTB._format_exception_only.<locals>.<genexpr>� __notes__) rE r rM �excNamer1 r? r= � issubclass� SyntaxErrorr rB � linecache�getliner� r` r� r� r+ �isspacer r� �offset�caret�msg� Exception� _some_strr� r� r �hooks�synchronize_with_editor) rn r� r2 Z have_filedatarE r� �styperB ZtextlinerQ r# �cr] r r r r� h sx ���� � � � z ListTB._format_exception_onlyc C s t �| ||�S )z�Only print the exception type and message, without a traceback. Parameters ---------- etype : exception type value : exception value )r� r� )rn r� r2 r r r �get_exception_only� s zListTB.get_exception_onlyc C s2 | j }|�� |�d�| �||��� |�� dS )z�Only print the exception type and message, without a traceback. Parameters ---------- etype : exception type evalue : exception value r7 N)rp rx rw r� r� )rn r� r� rp r r r �show_exception_only� s zListTB.show_exception_onlyc C s0 zt �t|��W S dt|�j Y S 0 d S )Nz<unprintable %s object>)r rM rC r� r1 )rn r2 r r r r� � s zListTB._some_str)NNr� )r1 r� r� r� r� r� r� r r� r r� r� r� r� r� r� r� r r r r r� � s" �� S$V r� c @ s� e Zd ZU dZee ed< ee ed< ee ed< ee ed< e dd� �Z ddd �ee eee d �d d �Z e d d� �Z e dd� �Ze dd� �ZdS )� FrameInfozm Mirror of stack data's FrameInfo, but so that we can bypass highlighting on really long frames. � descriptionr rB r� c C s> | t |dd �t |dd �t |dd �t |dd �t |dd �|d d�S )Nr� r rB r% �code��sdr� r )�cls� frame_infor r r �_from_stack_data_FrameInfo� s �z$FrameInfo._from_stack_data_FrameInfoNr� )r� r rB c C sJ || _ || _|| _|| _|| _|| _|| _|d u rFt�|�}|d | _ d S �Nr ) r� r rB r% r� �_sdr� r) r* � raw_lines) rn r� r rB r% r� r� r� Zixr r r rg � s zFrameInfo.__init__c C s | j r| j jS g S d S r� )r� � variables_in_executing_pieceru r r r r� s z&FrameInfo.variables_in_executing_piecec C s | j jS r� )r� r, ru r r r r, s zFrameInfo.linesc C s | j r| j jS d S d S r� )r� � executingru r r r r� s zFrameInfo.executing)r1 r� r� r� r rC �__annotations__r r� � classmethodr� rg r� r� r, r� r r r r r� � s( �� r� c @ s� e Zd ZdZdZdZd%eeeeed �d d �Z e d �d d�Z d&eed�dd�Z dd� Z eee ee ee d�dd�Zeeed�dd�Zd'eee ee ee ed�d d �Zd(ed �d d �Zd)d!d"�Zd*d#d$�ZdS )+� VerboseTBa; A port of Ka-Ping Yee's cgitb.py module that outputs color text instead of HTML. Requires inspect and pydoc. Crazy, man. Modified version which optionally strips the topmost entries from the traceback, to be used with alternate interpreters (because their own code would appear in the traceback).z bg:ansiyellow�default�LinuxFNr T)ro rh r� � long_header� include_varsc C sH t j| |||| | |d� || _|| _|| _|du r8tj}|| _d| _dS )aW Specify traceback offset, headers and color scheme. Define how many frames to drop from the tracebacks. Calling it with tb_offset=1 allows use of this handler in interpreters which will have their own code at the top of the traceback (VerboseTB will first remove that frame before printing the traceback info).)ro rh rp rd re rb NT) ra rg r� r� r� r� � checkcache� check_cache� skip_hidden) rn ro rh rp r� r� r� r� rb rd re r r r rg . s � zVerboseTB.__init__)r� c C s� t |t�sJ �| j}|j}t |jtj�r:d|j|j|f S dt }d|j ||f }d|j � d|j � d|� �}d|j |j |f }d|j |f }t |j |j||jd �} t�|j�\} } } } |jd ur�|j�� }nd }|d kr�d }nR| jr�tnt}z&tj| | | | |d�}|j||d�}W n t�y. || }Y n0 d }g }| j�r�z0|j}|D ] }|� ||j t |j �f � �qLW n t �y� |� d� Y n0 |�r�d||�!|�f }| � |�r�dnd � |� d�}|jd u �r�d|j|f }|t"�#|j � } d| |f }t$j%| j&j'| d�j(}|j)j*}|jd }|j+} || } | |j,k�r\t-| |j, d�} | |j, } |j,} nd} | |j, } | | | � } d|d �!t.|| | |||��f S |d �!t/|j0|| j1|��7 }|S )zFormat a single stack framez* %s[... skipping similar frames: %s]%s r0 z%s %s%szin z{file}z{scope}z.in %s%%s%s(***failed resolving arguments***)%sz %%s %s= %%s%srU N�?r� r� )� formatvalue)r" �scopez<Exception trying to inspect frame. No more locals available.r8 z, r7 z%s%%s%sz%s %s )�stylerd r )2r� r� rE r? r� r< �RepeatedFramesr� r� r; ZvalEmZvNamer` r r� rB r) � getargvaluesr% r� Z code_qualnamer� �eqrepr�nullrepr�formatargvaluesr\ �KeyErrorr� r= rX �reprr2 r� r� rZ r[ r �Parserrj r� Zformat2r� �co_firstlinenor� r� �maxrT rK r, r6 ) rn r� rE � ColorsNormal�indentZ em_normalZtpl_callZ tpl_call_failZ tpl_name_val�linkr� �varargs�varkwZlocals_r4 �callZvar_reprr� rF Z lvals_listZfibp�var�resultr_ �levelrP � first_line� current_liner� rO �start�stopr r r � format_recordV s� ��� �"� � ��� ��zVerboseTB.format_record)r� � long_versionc C s� | j }|j}d|j||f }tdt� d �}|r�dtj�� d d tj }t � t � � �}d|j d| ||d|t |� t |� ||� |�f } | d 7 } nd |d � |t |� �f } | S ) N�%s%s%s�K r zPython z: z%s%s%s %s%s%s %s�-r0 z� A problem occurred executing Python code. Here is the sequence of function calls leading up to the error, with the most recent (innermost) call last.r8 z!Traceback (most recent call last))rE r? r� �minr rs �version�split� executable�time�ctime�topliner+ �rjust) rn r� r �colors� colorsnormal�exc�width�pyver�date�headr r r �prepare_header� s0 � ��zVerboseTB.prepare_headerc s� | j }|j� ztt||f�\}}W n4 tt�� d d� }}tt||f�\}}Y n0 t|dg �}t|t�r|t|tt f�r�t |dt d�g}d� |j |� t�|��g� fdd�|D ��S )N� r� )r4 z {}{}{}: {}c 3 s& | ] }d � � tt�|�d��V qdS )z{}{}�noteN)r\ r5 r rM )r �n�r r r r s ��z-VerboseTB.format_exception.<locals>.<genexpr>)rE r? �maprC rs �exc_infor� r� r �bytesr5 r� r\ r� r rM )rn r� r� r Z etype_strZ evalue_str�notesr r( r �format_exception� s* �� ��zVerboseTB.format_exceptionr� c C sv |}z |j }W n ty Y n0 |du r0| jn|}t|t�sBJ �| �t|�| j�}|rf| �|||�ng }g } d} t |�d } t |�D ]x\} } t| j t j �s�| jr�| jj�dd�r�| | kr�| d7 } q�| r�| j}|j}| �d|j| |f � d} | �| �| �� q�| �r(| j}|j}| �d|j| |f � | �||�}|�rf|d }t� }|du�rf|j�|j|j d� |g| | gS )z�Formats the header, traceback and exception message for a single exception. This may be called multiple times by Python 3 exception chaining (PEP 3134). Nr r Z__tracebackhide__z' %s[... skipping hidden %s frame]%s ���) r1 �AttributeErrorr� r� r� r$ rC r� � get_recordsr+ rL r� r< r� r� r% �f_locals�getrE r? r= r� r r- r r� r� r rB )rn r� r� r� r� r� Z orig_etyper# �records�framesZskippedZ lastrecordrQ �recordrE r �formatted_exceptionr� r] r r r �format_exception_as_a_whole sb � ���� �� �� z%VerboseTB.format_exception_as_a_whole)r� r� r� c C sx |d us J �|d }|d }|| }| j rNt| j�}t�|| j�}t|d�}nd }tj|||d�} |} d} g } | d ur�zHt� | j �} | d ur�| j }|� d�^}}|dkr�| j } W qnt| j �} W n ty� d} Y n0 t| | �} | �| � t| dd �} qn| tk�rJg }| D ]:}|j }|jf}|j}|j}|�td |||||d �� �q |S ttjj|| d ��|d � }d d � |D �}|S )Nr r% )r� )�before�afterZpygments_formatterr �.�IPython�tb_nextz Raw frame)r� )�optionsc S s g | ]}t �|��qS r )r� r� )r r r r r � <listcomp>� r z)VerboseTB.get_records.<locals>.<listcomp>)r6 r �_tb_highlight_styler< Zstyle_with_executing_node� _tb_highlightr �Optionsr) � getmodule�tb_framer1 r r< r. �OSErrorr r= r� �FAST_THRESHOLD�f_linenor& r' r� r� )rn r� r� r� r� r9 r8 r� � formatterr= �cf�max_lenZtbs�mod�mod_nameZ root_name�_ZFIsr� r% rB r� r rH r r r r0 R s` � �� zVerboseTB.get_recordsr� r� c C s | � |||||�}| j}|j}d|jdtdt� d � |f } | g} d} d} |} | �|�}|r�|dusjJ �| | �|j�7 } |\}}}nd}t � }|r�| | � |||| | �7 } | �|�}|r�t |d �|vr�|� t |d �� | | �|j�7 } |\}}}q�d}q�t | �D ]}| |7 } �q| S )z5Return a nice text document describing the traceback.r r r r � Nr ) r7 rE r? r r r r� r� r| r� r� r� �reversed)rn r� r� r� r� r� r6 r r r# Zstructured_traceback_partsr� Zlines_of_contextZformatted_exceptionsr� r� r r r r� � s< � � z VerboseTB.structured_traceback)�forcec C s$ |s | j �r| jdu r | �� | _ttjd�}|�� | j�� t| d�rX| jdurX| j}n tj }| _| jdur�| jj dur�| jj dus�J �| jj | _qd|r�|j r�|j }|j | j_ tj dk r�tjn ttdtj�}|r�| j�d|� n| j�d|� W d � n1 �s0 Y t| d��r | `dS )a4 Call up the pdb debugger if desired, always clean up the tb reference. Keywords: - force(False): by default, this routine checks the instance call_pdb flag and does not actually invoke the debugger if the flag is false. The 'force' option forces the debugger to activate even if the flag is false. If the call_pdb flag is set, the pdb interactive debugger is invoked. In all cases, the self.tb reference to the current traceback is deleted to prevent lingering references which hamper memory management. Note that each call to pdb() does an 'import readline', so if your app requires a special setup for the readline completers, you'll have to fix that by hand after invoking the exception handler.N)�hookr� )rM � �last_exc)rh rm rb r rs �__displayhook__�resetry r� �last_tracebackr< rC Zbotframe� version_info� last_valuer� Z interaction)rn rO Z display_trapr� r r r r r � s* . zVerboseTB.debuggerc C sP |p t �� \}}}|| _| j}|�� |�| �|||�� |�d� |�� d S r� )rs r* r� rp rx rw r� )rn �infor� r� r� rp r r r �handler� s zVerboseTB.handlerc C sN |du r| � � n| � |||f� z | �� W n tyH td� Y n0 dS )z@This hook can replace sys.excepthook (for Python 2.1 or higher).N� KeyboardInterrupt)rY r �KeyboardInterruptr( )rn r� r� r� r r r r� � s zVerboseTB.__call__) r� FNr FTNNNN)F)NNr� )F)N)NNN)r1 r� r� r� r@ r? rC r� r� rg r� r r$ r- r� r r� r r7 r0 r� r rY r� r r r r r� # sV �� (y "� D� > �� .2 r� c @ sj e Zd ZU dZeed< ddd �Zdd d �Zd d� Zd e e d�dd�Z dd� Z dd� Z dd� Z dd� ZdS ) � FormattedTBa� Subclass ListTB but allow calling with a traceback. It can thus be used as a sys.excepthook for Python > 2.1. Also adds 'Context' and 'Verbose' modes, not available in ListTB. Allows a tb_offset to be specified. This is useful for situations where one needs to remove a number of topmost frames from the traceback (such as occurs with python programs that themselves execute other python code, like Python shells). �mode�Plainr� FNr c C sZ g d�| _ | j dd� | _tj| |||||||| | | d� tddddd�| _| �|� d S )N)r^ �Context�Verbose�Minimalr rM ) ro rh rp r� r� r� r� rb rd re r� r7 )� valid_modes� verbose_modesr� rg �dict� _join_chars�set_mode) rn r] ro rh rp r� r� r� r� rb rd re r r r rg s ��zFormattedTB.__init__r� c C sl |d u r| j n|}| j}|| jv r6t�| |||||�S |dkrLt�| ||�S | �� t�| |||||�S d S )Nra )r� r] rc r� r� r� r� r� )rn r� r2 r� r� r� r] r r r r� ) s � �z FormattedTB.structured_tracebackc C s | j �|�S )r� )� tb_join_charr� r� r r r r� < s zFormattedTB.stb2text)r] c C s� |s.| j �| j�d t| j � }| j | | _n:|| j vrTtd| d t| j � ��nt|t�sbJ �|| _| j| j d k| _| j| j | _ dS )zbSwitch to the desired mode. If mode is not specified, cycles through the available modes.r z#Unrecognized mode in FormattedTB: <z> Valid modes: r% N) rb rO r] r+ � ValueErrorrC r� r� re rg )rn r] Znew_idxr r r rf @ s � ��zFormattedTB.set_modec C s | � | jd � d S r� �rf rb ru r r r �plainW s zFormattedTB.plainc C s | � | jd � d S )Nr ri ru r r r r� Z s zFormattedTB.contextc C s | � | jd � d S )Nr% ri ru r r r �verbose] s zFormattedTB.verbosec C s | � | jd � d S )NrM ri ru r r r �minimal` s zFormattedTB.minimal) r^ r� FNr FFNNNN)Nr� )N)r1 r� r� r� rC r� rg r� r� r rf rj r� rk rl r r r r r\ s � r\ c @ s> e Zd ZdZd dd�Zd eee ee ee e d�dd�Z dS ) �AutoFormattedTBaG A traceback printer which can be called on the fly. It will find out about exceptions by itself. 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Optional arguments: - out: an open file-like object to direct output to. - tb_offset: the number of frames to skip over in the stack, on a per-call basis (this overrides temporarily the instance's tb_offset given at initialization time.Nr7 rZ )rp rx rw r� r r[ r( )rn r� r� r� �outr� r r r r� s s zAutoFormattedTB.__call__r� r� c C sF |d u rt �� \}}}t|t�r,|d | _n|| _t�| |||||�S r� )rs r* r� r� r� r\ r� r� r r r r� � s �z$AutoFormattedTB.structured_traceback)NNNNN)NNr� ) r1 r� r� r� r� r� r r� r r� r� r r r r rm e s � ��rm c @ s e Zd ZdZddd�ZdS )�ColorTBz;Shorthand to initialize a FormattedTB in Linux colors mode.r� r c K s t j| f||d�|�� d S )N)ro rh )r\ rg )rn ro rh �kwargsr r r rg � s ��zColorTB.__init__N)r� r )r1 r� r� r� rg r r r r ro � s ro c sD e Zd ZdZddd�Zdd� Zd� fd d � Zd d � Zd d� Z� Z S )�SyntaxTBz:Extension which holds some state: the last exception valuer Nc C s t j| |||d� d | _d S rc )r� rg �last_syntax_error)rn ro rd re r r r rg � s zSyntaxTB.__init__c C s || _ t�| |||� d S r� )rr r� r� r� r r r r� � s zSyntaxTB.__call__r� c sh t |t�rHt |jt�rHt |jt�rHt�|j� t�|j|j�}|rH||_ || _ t t | �j |||||d�S )N)r� r� )r� r� r rC rB r� r� r� r� r� rr rf rq r� )rn r� r2 r� r� r� Znewtextrq r r r� � s � � �z SyntaxTB.structured_tracebackc C s | j }d| _ |S )z+Return the current error state and clear itN)rr )rn �er r r �clear_err_state� s zSyntaxTB.clear_err_statec C s d� |�S )r� r� r� r� r r r r� � s zSyntaxTB.stb2text)r NN)Nr� ) r1 r� r� r� rg r� r� rt r� r� r r rq r rq � s �rq c C s� zt j�| �W S ty" � Y n� zt| �W Y S tyJ � Y n~ zLt| dd�}|rtt|�W Y Y S t| dd�}|r�dt|� W Y Y S W n$ ty� � Y n Y Y Y dS 0 Y n0 Y n0 dS )z(Hopefully pretty robust repr equivalent.r1 Nrr z %s instancezUNRECOVERABLE REPR FAILURE)�pydocr� r� r[ r� � text_repr)r2 rX �klassr r r rv � s* rv c C s d|| � S )Nz=%sr �r2 r� r r r r� � s r� c C s dS )Nr� r rx r r r r� � s r� )Br� �collections.abcr � functoolsr) r� ru rs r r� �typesr �typingr r r r r< Z pygments.formatters.terminal256r Zpygments.stylesr ZIPython.utils.colorable�utilsZ colorabler; r Z IPython.corer ZIPython.core.display_trapr ZIPython.core.excolorsr Z IPython.utilsr r rZ r ZIPython.utils.terminalr r; ZDEFAULT_SCHEMErE � lru_cacherC r� r$ � FrameTyper. r5 r� rK rT r` Z Colorablera r� r� r� r\ rm ro rq rv r� r� r r r r �<module> sd Z &2' D da>(
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