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faster name display

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svn: r7919
This commit is contained in:
Richard Taylor 2007-01-16 22:25:29 +00:00
parent 66b5f7af4b
commit dd38db4c4d
2 changed files with 88 additions and 1 deletions
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5
ChangeLog
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@ -1,4 +1,7 @@
2007-01-05 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
2007-01-17 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/NameDisplay.py: fast implementation
2007-01-16 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
* src/Filters/_GenericFilter.py: file get_cursor funcs
2007-01-16 Don Allingham <don@gramps-project.org>

84
src/NameDisplay.py
View File

@ -30,6 +30,7 @@ Class handling language-specific displaying of names.
#
#-------------------------------------------------------------------------
from gettext import gettext as _
import re
#-------------------------------------------------------------------------
#
@ -75,6 +76,8 @@ class NameDisplay:
Base class for displaying of Name instances.
"""
format_funcs = {}
# FIXME: Is this used anywhere? I cannot see that it is.
sort_field = (Name.get_surname, Name.get_surname,
Name.get_first_name, Name.get_patronymic,
@ -257,6 +260,87 @@ class NameDisplay:
namestr += output[i]
return namestr.strip()
def _gen_func(self, format_str):
d = {"%t":"title",
"%f":"first",
"%p":"prefix",
"%l":"surname",
"%s":"suffix",
"%y":"patronymic",
"%c":"call",
"%T":"title.upper()",
"%F":"first.upper()",
"%P":"prefix.upper()",
"%L":"surname.upper()",
"%S":"suffix.upper()",
"%Y":"patronymic.upper()",
"%C":"call.upper()",
"%%":"'%'"}
new_fmt = format_str
new_fmt = new_fmt.replace("%t","%s")
new_fmt = new_fmt.replace("%f","%s")
new_fmt = new_fmt.replace("%p","%s")
new_fmt = new_fmt.replace("%l","%s")
new_fmt = new_fmt.replace("%s","%s")
new_fmt = new_fmt.replace("%y","%s")
new_fmt = new_fmt.replace("%c","%s")
new_fmt = new_fmt.replace("%T","%s")
new_fmt = new_fmt.replace("%F","%s")
new_fmt = new_fmt.replace("%P","%s")
new_fmt = new_fmt.replace("%L","%s")
new_fmt = new_fmt.replace("%S","%s")
new_fmt = new_fmt.replace("%Y","%s")
new_fmt = new_fmt.replace("%C","%s")
new_fmt = new_fmt.replace("%%",'%')
pat = re.compile("%.")
mat = pat.search(format_str)
param = ()
while mat:
param = param + (d[mat.group(0)],)
mat = pat.search(format_str,mat.end())
s = 'def fn(first,surname,prefix,suffix,patronymic,title,call,):\n'\
' return "%s" %% (%s)' % (new_fmt,",".join(param))
c = compile(s,'<string>','exec')
exec(c)
return fn
def _format_str_base1(self,first,surname,prefix,suffix,patronymic,
title,call,format_str):
"""
Generates name from a format string.
The following substitutions are made:
%t -> title
%f -> given name (first name)
%p -> prefix
%s -> suffix
%l -> family name (last name, surname)
%y -> patronymic
%c -> call name
The capital letters are substituted for capitalized name components.
The %% is substituted with the single % character.
All the other characters in the fmt_str are unaffected.
"""
func = self.__class__.format_funcs.get(format_str)
if func == None:
func = self._gen_func(format_str)
self.__class__.format_funcs[format_str] = func
s = func(first,surname,prefix,suffix,patronymic,title,call)
return ' '.join([ x for x in s.split(" ") if x != ''])
#-------------------------------------------------------------------------