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Example: >>> ss = ["a.string[0].with_separators"] >>> chars = list(".[]_") >>> ss_split = split_multichar(ss, chars) >>> ss_split ['a', 'string', '0', '', 'with', 'separators'] >>> split_string_positions(ss_split) [0, 2, 9, 11, 12, 17] :param (list) ss: A list of strings. cSs|d|dS)Nrr )tr r rrJz(split_string_positions..rNr )listrziprwr r)rr r rsplit_string_positions7s ,rr^Tc Csddtt|d||D}d}|dur.|D]}t|D] } ||| }|||<qqnt|D]} |||| }|||<q2d|} |rP| d|d} | S)a Return a string that is whitespace except at p[i] which is replaced with char. If i is None then all the indices of the string in p are replaced with char. Example: >>> ss = ["a.string[0].with_separators"] >>> chars = list(".[]_") >>> ss_split = split_multichar(ss, chars) >>> ss_split ['a', 'string', '0', '', 'with', 'separators'] >>> ss_pos = split_string_positions(ss_split) >>> ss[0] 'a.string[0].with_separators' >>> display_string_positions(ss_pos,4) ' ^' >>> display_string_positions(ss_pos,4,offset=1,length=3,char="~",trim=False) ' ~~~ ' >>> display_string_positions(ss_pos) '^ ^ ^ ^^ ^' :param (list) p: A list of integers. :param (integer|None) i: Optional index of p to display. :param (integer) offset: Allows adding a number of spaces to the replacement. :param (integer) length: Allows adding a replacement that is the char repeated length times. :param (str) char: allows customizing the replacement character. :param (boolean) trim: trims the remaining whitespace if True. cSsg|]}dqS)rgr ).0_r r r mrz,display_string_positions..rrNre)rwmaxjoin) pr{offsetlengthchartrimsmaxaddrp_lrr r rdisplay_string_positionsPs "      rcCsxdd}|r|t|||St|s|Sttt|dkr'|t|dgSGddd}tttt|||dgS)a Given a list of strings, some of which are the empty string "", replace the empty strings with c and combine them with the closest non-empty string on the left or "" if it is the first string. Examples: for c="_" ['hey', '', 'why', '', '', 'whoa', '', ''] -> ['hey_', 'why__', 'whoa__'] ['', 'hi', '', "I'm", 'bob', '', ''] -> ['_', 'hi_', "I'm", 'bob__'] ['hi', "i'm", 'a', 'good', 'string'] -> ['hi', "i'm", 'a', 'good', 'string'] Some special cases are: [] -> [] [''] -> [''] ['', ''] -> ['_'] ['', '', '', ''] -> ['___'] If reverse is true, empty strings are combined with closest non-empty string on the right or "" if it is the last string. cSsdd|DdddS)NcSsg|] }|dddqS)Nr r )rrr r rrsz5chomp_empty_strings.._rev..r r )rr r r_revsz!chomp_empty_strings.._revrrc@seZdZddZddZdS)z%chomp_empty_strings.._ChompercSs ||_dSrr)rrr r r__init__s z.chomp_empty_strings.._Chomper.__init__cSs2t|dkr|dd|d|jgS||gSr)r r)rr rr r r__call__s  z.chomp_empty_strings.._Chomper.__call__N)r]r^r_rrr r r r_Chompers rre)chomp_empty_stringsr sumrrfilterr)stringsrr}rrr r rr~src Cst|t|kr t||St|dkrt|Stt|d}t|D]3\}}|dg}t|D]#\}}||dd}||d} ||||k} |t|| | q0|}q#|dS)Nrrr )r levenshteinrw enumerateappendmin) s1s2 previous_rowr{c1 current_rowjc2 insertions deletions substitutionsr r rrs    rcsfdd}t||ddS)Ncst||fSr)r)rstringr r_keysz!find_closest_string.._key)r|rr~)rrrr rrfind_closest_strings r)F)NrrrT)rXjsonrrnrv functoolsr_plotly_utils.optional_importsr_plotly_utils.basevalidatorsrro PY36_OR_LATERrr3rrir2rVrurrrrrrrrr r r rs,    R    .0