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The big change from the previous Profiler (in terms of raw functionality)
is that an "add()" method has been provided to combine Stats from
several distinct profile runs. Both the constructor and the add()
method now take arbitrarily many file names as arguments.
All the print methods now take an argument that indicates how many lines
to print. If the arg is a floating point number between 0 and 1.0, then
it is taken as a decimal percentage of the available lines to be printed
(e.g., .1 means print 10% of all available lines). If it is an integer,
it is taken to mean the number of lines of data that you wish to have
printed.
The sort_stats() method now processes some additional options (i.e., in
addition to the old -1, 0, 1, or 2 that are respectively interpreted as
'stdname', 'calls', 'time', and 'cumulative'). It takes either an
arbitrary number of quoted strings or SortKey enum to select the sort
order.
For example sort_stats('time', 'name') or sort_stats(SortKey.TIME,
SortKey.NAME) sorts on the major key of 'internal function time', and on
the minor key of 'the name of the function'. Look at the two tables in
sort_stats() and get_sort_arg_defs(self) for more examples.
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Stats('foo', 'goo').strip_dirs().sort_stats('calls'). print_stats(5).print_callers(5)
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r c @ s e Zd ZdZdd� Zdd� ZdS )r a� This class provides a generic function for comparing any two tuples.
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sorted in the instances order.c C s
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�rf c C s� i }| � � D ]\}}|||< q |� � D ]V\}}||v rtt|t�rbtdd� t||| �D ��||< q||| |7 < q&|||< q&|S )z*Combine two caller lists in a single list.c s s | ]\}}|| V qd S r� r! )�.0�i�jr! r! r" � <genexpr>J � z add_callers.<locals>.<genexpr>)r[ rO r� �zip)r� r� Z new_callersr] r� r! r! r" r� A s
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zProfileBrowser.genericc C sX t d| jd� t d| jd� t d| jd� t d| jd� t d| jd� t d| jd� d S )NzArguments may be:r= z0* An integer maximum number of entries to print.z:* A decimal fractional number between 0 and 1, controllingz- what fraction of selected entries to print.z8* A regular expression; only entries with function namesz that match it are printed.r� r� r! r! r" � generic_help� s zProfileBrowser.generic_helpc
C sf | j rTz| j �|� W qb tyP } z"td||f | jd� W Y d }~qbd }~0 0 ntd| jd� dS )Nz$Failed to load statistics for %s: %sr= r� r )rG r6 �OSErrorrL r1 )r7 r �er! r! r" �do_add� s .zProfileBrowser.do_addc C s t d| jd� d S )Nz>Add profile info from given file to current statistics object.r= r� r� r! r! r" �help_add� s zProfileBrowser.help_addc C s | � d|�S )Nr� �r� �r7 r r! r! r" �
do_callees� s zProfileBrowser.do_calleesc C s t d| jd� | �� d S )Nz6Print callees statistics from the current stat object.r= �rL r1 r� r� r! r! r" � help_callees� s zProfileBrowser.help_calleesc C s | � d|�S )Nr� r� r� r! r! r" �
do_callers� s zProfileBrowser.do_callersc C s t d| jd� | �� d S )Nz6Print callers statistics from the current stat object.r= r� r� r! r! r" � help_callers� s zProfileBrowser.help_callersc C s t d| jd� dS )Nr< r= r r� r� r! r! r" �do_EOF� s zProfileBrowser.do_EOFc C s t d| jd� d S �NzLeave the profile browser.r= r� r� r! r! r" �help_EOF� s zProfileBrowser.help_EOFc C s dS )Nr r! r� r! r! r" �do_quit� s zProfileBrowser.do_quitc C s t d| jd� d S r� r� r� r! r! r" � help_quit� s zProfileBrowser.help_quitc
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| j �dkr�| j d d� }| � |� ntd| jd� dS ) Nr r= �:r� rt ���z1No statistics object is current -- cannot reload.r ) r rG r� rL r8 r1 rK rY r# r� r4 r� )r7 r �errr! r! r" r� � s zProfileBrowser.do_readc C s t d| jd� t d| jd� d S )Nz+Read in profile data from a specified file.r= z*Without argument, reload the current file.r� r� r! r! r" � help_read� s zProfileBrowser.help_readc C s$ | j r| j �� ntd| jd� dS )Nr� r= r )rG r� rL r1 r� r! r! r" �
do_reverse� s zProfileBrowser.do_reversec C s t d| jd� d S )Nz/Reverse the sort order of the profiling report.r= r� r� r! r! r" � help_reverse� s zProfileBrowser.help_reversec s� | j std| jd� d S | j �� � |rRt� fdd�|�� D ��rR| j j|�� � n<td| jd� tj� � D ]"\}}td||d f | jd� qjdS ) Nr� r= c 3 s | ]}|� v V qd S r� r! )r� r� �Zabbrevsr! r" r� � r� z)ProfileBrowser.do_sort.<locals>.<genexpr>z/Valid sort keys (unique prefixes are accepted):z%s -- %sr r )
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zProfileBrowser.do_sortc C s t d| jd� t d| jd� d S )Nz.Sort profile data according to specified keys.r= z3(Typing `sort' without arguments lists valid keys.)r� r� r! r! r" � help_sort� s zProfileBrowser.help_sortc s � fdd�t jD �S )Nc s g | ]}|� � �r|�qS r! )r� )r� �a��textr! r" �
<listcomp>� r� z0ProfileBrowser.complete_sort.<locals>.<listcomp>)r ru )r7 r� r8 r! r� r" �
complete_sort� s z ProfileBrowser.complete_sortc C s | � d|�S )Nr� r� r� r! r! r" �do_stats� s zProfileBrowser.do_statsc C s t d| jd� | �� d S )Nz.Print statistics from the current stat object.r= r� r� r! r! r" �
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