Name_Script.py

#-*- coding: utf-8 -*-

###########################################################################
##                                                                       ##
## Copyrights Frédéric Rodrigo 2016                                      ##
##                                                                       ##
## This program is free software: you can redistribute it and/or modify  ##
## it under the terms of the GNU General Public License as published by  ##
## the Free Software Foundation, either version 3 of the License, or     ##
## (at your option) any later version.                                   ##
##                                                                       ##
## This program is distributed in the hope that it will be useful,       ##
## but WITHOUT ANY WARRANTY; without even the implied warranty of        ##
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         ##
## GNU General Public License for more details.                          ##
##                                                                       ##
## You should have received a copy of the GNU General Public License     ##
## along with this program.  If not, see <http://www.gnu.org/licenses/>. ##
##                                                                       ##
###########################################################################

from plugins.Plugin import Plugin
import regex
import unicodedata
from modules.languages import language2scripts, gen_regex
from modules import confusables
from modules.py3 import ilen
from modules.Stablehash import stablehash64


class Name_Script(Plugin):

    def init(self, logger):
        Plugin.init(self, logger)
        self.errors[50701] = self.def_class(item = 5070, level = 2, tags = ['name', 'fix:chair'],
            title = T_('Some value chars does not match the language charset'),
            detail = T_(
'''Words are not written in the appropriate alphabet of the
language.'''),
            fix = T_(
'''Usually, a wrong language has been chosen. Sometimes the word has been
transliterated, and needs to be changed back to the original alphabet.
`name:ar=Salaam` should be either `name:en=Salaam` (if known by
untranslated name) or `name:en=Peace` (translated) or `name:ar=سلام`
(original).'''))
        self.errors[50702] = self.def_class(item = 5070, level = 2, tags = ['name', 'fix:chair'],
            title = T_('Non printable char'),
            detail = T_(
'''A non-printable character such as linefeed (0x000a) has been
used.'''),
            fix = T_(
'''Remove the character.'''))
        self.errors[50703] = self.def_class(item = 5070, level = 2, tags = ['name', 'fix:chair'],
            title = T_('Unexpected symbol in name'),
            detail = T_(
'''A symbol is used instead of a letter from the appropriate
alphabet.'''),
            fix = T_(
'''Change the character into a punctuation mark or something else more
appropriate.'''),
            resource = 'http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:General_Category=Other_Symbol:]')

        country = self.father.config.options.get("country")

        self.non_printable = regex.compile(r"[\p{Line_Separator}\p{Paragraph_Separator}\p{Control}\p{Private_Use}\p{Surrogate}\p{Unassigned}]", flags=regex.V1)
        # http://unicode.org/cldr/utility/list-unicodeset.jsp?a=[:General_Category=Other_Symbol:]
        self.other_symbol = regex.compile(r"[[\p{General_Category=Other_Symbol}]--[\p{Block=Latin 1 Supplement}\p{Block=Braille Patterns}\p{Block=CJK Radicals Supplement}\p{Block=Kangxi Radicals}\p{Block=CJK Strokes}]--[↔→◄►№]]", flags=regex.V1)
        self.non_letter = regex.compile(r"[^\p{Letter}\p{Mark}\p{Separator}]", flags=regex.V1)
        non_look_like_latin = r"\p{Hangul}\p{Bengali}\p{Bopomofo}\p{Braille}\p{Canadian_Aboriginal}\p{Devanagari}\p{Ethiopic}\p{Gujarati}\p{Gurmukhi}\p{Han}\p{Hangul}\p{Hanunoo}\p{Hebrew}\p{Hiragana}\p{Inherited}\p{Kannada}\p{Katakana}\p{Khmer}\p{Lao}\p{Malayalam}\p{Oriya}\p{Runic}\p{Sinhala}\p{Syriac}\p{TaiLe}\p{Tamil}\p{Thaana}\p{Thai}\p{Tibetan}"
        ammend = ""
        if country and country.startswith("BG"):
            ammend = "|TT" # Bulgarian survey point
        self.alone_char = regex.compile(r"(^| |[%s])(?:[A-Z]%s)(?= |[%s]|$)" % (non_look_like_latin, ammend, non_look_like_latin), flags=regex.V1)
        self.roman_number = regex.compile(r"(^| )(?:[IVXLDCM]+)(?= |$)", flags=regex.V1)

        self.scripts = language2scripts

        self.uniq_scripts = {}
        for k, s in self.scripts.items():
            if s and ilen(filter(lambda ss: ss[0] != "[", s)) == 1:
                self.uniq_scripts[k] = s[0]
            else:
                self.uniq_scripts[k] = None

        self.lang = {}
        for (k, s) in self.scripts.items():
            self.lang[k] = gen_regex(s)

        self.default = None
        languages = self.father.config.options.get("language")
        if languages:
            if not isinstance(languages, list):
                languages = [languages]

            # Assert the languages are mapped to scripts
            for language in languages:
                if language not in self.lang:
                    raise Exception("No script setup for language '%s'" % language)

            # Disable default scripts if one language is not mapped to scripts
            for language in languages:
                if not self.lang[language]:
                    languages = None

            # Build default regex
            if languages:
                self.default = regex.compile(r"[\p{Common}%s]" % "".join(map(lambda l: self.lang[l], languages)), flags=regex.V1)

        self.uniq_script = self.uniq_scripts.get(languages[0]) if languages and len(languages) == 1 else None

        for l, s in list(self.lang.items()):
            if s is None:
                del(self.lang[l])
            else:
                self.lang[l] = regex.compile(r"[\p{Common}%s]" % s, flags=regex.V1)

        self.names = [u"name", u"name_1", u"name_2", u"alt_name", u"loc_name", u"old_name", u"official_name", u"short_name"]

    def node(self, data, tags):
        err = []
        for key, value in tags.items():
            m = self.non_printable.search(key)
            if m:
                err.append({"class": 50702, "subclass": 0 + stablehash64(key), "text": T_f(u"\"{0}\" unexpected non printable char ({1}, 0x{2:04x}) in key at position {3}", key, unicodedata.name(m.group(0), ''), ord(m.group(0)), m.start() + 1)})
                break

            m = self.non_printable.search(value)
            if m:
                err.append({"class": 50702, "subclass": 1 + stablehash64(key), "text": T_f(u"\"{0}\"=\"{1}\" unexpected non printable char ({2}, 0x{3:04x}) in value at position {4}", key, value, unicodedata.name(m.group(0), ''), ord(m.group(0)), m.start() + 1)})
                break

            m = self.other_symbol.search(key)
            if m:
                err.append({"class": 50703, "subclass": 0 + stablehash64(key), "text": T_f(u"\"{0}\" unexpected symbol char ({1}, 0x{2:04x}) in key at position {3}", key, unicodedata.name(m.group(0), ''), ord(m.group(0)), m.start() + 1)})
                break

            m = self.other_symbol.search(value)
            if m:
                err.append({"class": 50703, "subclass": 1 + stablehash64(key), "text": T_f(u"\"{0}\"=\"{1}\" unexpected symbol char ({2}, 0x{3:04x}) in value at position {4}", key, value, unicodedata.name(m.group(0), ''), ord(m.group(0)), m.start() + 1)})
                break

            err_size = len(err)
            # https://en.wikipedia.org/wiki/Bi-directional_text#Table_of_possible_BiDi-types
            for c in u"\u200E\u200F\u061C\u202A\u202D\u202B\u202E\u202C\u2066\u2067\u2068\u2069":
                m = key.find(c)
                if m > 0:
                    err.append({"class": 50702, "subclass": 2 + stablehash64(key), "text": T_f(u"\"{0}\" unexpected non printable char ({1}, 0x{2:04x}) in key at position {3}", key, unicodedata.name(c, ''), ord(c), m + 1)})
                    break

                m = value.find(c)
                if m > 0:
                    err.append({"class": 50702, "subclass": 3 + stablehash64(key), "text": T_f(u"\"{0}\"=\"{1}\" unexpected non printable char ({2}, 0x{3:04x}) in value at position {4}", key, value, unicodedata.name(c, ''), ord(c), m + 1)})
                    break

            if err_size != len(err):
                break

            if self.default:
                if key in self.names:
                    s = self.non_letter.sub(u" ", value)
                    s = self.alone_char.sub(u"", s)
                    s = self.roman_number.sub(u"", s)
                    s = self.default.sub(u"", s)
                    if len(s) > 0 and not(len(value) == 2 and len(s) == 1) and len(s) <= len(value) / 10 + 1:
                        if len(s) == 1:
                            c = s[0]
                            u = self.uniq_script and confusables.unconfuse(c, self.uniq_script)
                            if u:
                                err.append({"class": 50701, "subclass": 0 + stablehash64(key),
                                    "text": T_f(u"\"{0}\"=\"{1}\" unexpected char \"{2}\" ({3}, 0x{4:04x}). Means \"{5}\" ({6}, 0x{7:04x})?", key, value, s, unicodedata.name(c, ''), ord(c), u, unicodedata.name(u, ''), ord(u)),
                                    "fix": {key: value.replace(c, u)}
                                })
                            else:
                                err.append({"class": 50701, "subclass": 0 + stablehash64(key),
                                    "text": T_f(u"\"{0}\"=\"{1}\" unexpected char \"{2}\" ({3}, 0x{4:04x})", key, value, s, unicodedata.name(c, ''), ord(c))
                                })
                        else:
                            err.append({"class": 50701, "subclass": 0 + stablehash64(key), "text": T_f(u"\"{0}\"=\"{1}\" unexpected \"{2}\"", key, value, s)})
                        break

            l = key.split(':')
            if len(l) > 1 and l[0] in self.names and l[1] in self.lang:
                s = self.non_letter.sub(u" ", value)
                s = self.alone_char.sub(u"\\1", s)
                s = self.roman_number.sub(u"\\1", s)
                s = self.lang[l[1]].sub(u"", s)
                if len(s) > 0:
                    if len(s) == 1:
                        c = s[0]
                        u = self.uniq_scripts.get(l[1]) and confusables.unconfuse(c, self.uniq_scripts.get(l[1]))
                        if u:
                            err.append({"class": 50701, "subclass": 1 + stablehash64(key),
                                "text": T_f(u"\"{0}\"=\"{1}\" unexpected char \"{2}\" ({3}, 0x{4:04x}). Means \"{5}\" ({6}, 0x{7:04x})?", key, value, s, unicodedata.name(c, ''), ord(c), u, unicodedata.name(u, ''), ord(u)),
                                "fix": {key: value.replace(c, u)}
                            })
                        else:
                            err.append({"class": 50701, "subclass": 1 + stablehash64(key),
                                "text": T_f(u"\"{0}\"=\"{1}\" unexpected char \"{2}\" ({3}, 0x{4:04x})", key, value, s, unicodedata.name(c, ''), ord(c))
                            })
                    else:
                        err.append({"class": 50701, "subclass": 1 + stablehash64(key), "text": T_f(u"\"{0}\"=\"{1}\" unexpected \"{2}\"", key, value, s)})
                    break

        return err

    def way(self, data, tags, nds):
        return self.node(data, tags)

    def relation(self, data, tags, members):
        return self.node(data, tags)


###########################################################################
from plugins.Plugin import TestPluginCommon

class Test(TestPluginCommon):
    def test_(self):
        a = Name_Script(None)
        class _config:
            options = {"country": "FR"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name": u"test ь"})
        assert not a.node(None, {u"name": u"Sacré-Cœur"})

        self.check_err(a.node(None, {u"name:uk": u"Sacré-Cœur"}))

    def test_fr(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "fr"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"seamark:light:information": u"R. 340° -095° , W.-111° , G.-160°"})
        assert not a.node(None, {u"source": u"©IGN 2010"})
        assert not a.node(None, {u"name": u"Karditsa → Larisa"})
        assert not a.node(None, {u"name": u"To Embonas ►"})

        self.check_err(a.node(None, {u"name": u"test ь"}))
        self.check_err(a.node(None, {u"name": u"\u1F1EE\u1F1F6\u1F3E0"}))
        assert not a.node(None, {u"name": u"test кодувань"})
        assert not a.node(None, {u"name": u"кодувань"})
        assert not a.node(None, {u"name": u"Sophie II"})
        assert not a.node(None, {u"name": u"Sacré-Cœur"})
        assert not a.node(None, {u"name": u"дA"})

        assert not a.node(None, {u"name:uk": u"кодувань"})
        assert not a.node(None, {u"name:tg": u"Париж"})
        self.check_err(a.node(None, {u"name:uk": u"Sacré-Cœur"}))
        assert not a.node(None, {u"name:uk": u"кодувань A"})
        assert not a.node(None, {u"name:uk": u"кодувань A33"})
        assert not a.node(None, {u"name:uk": u"B2"})
        assert not a.node(None, {u"name:el": u"Διαδρομος 15R/33L"})
        self.check_err(a.node(None, {u"name:el": u"ροMμος"}))
        assert not a.node(None, {u"name:fa": u"شیب دِراز"})
        assert not a.node(None, {u"name:th": u"P T L"})
        self.check_err(a.node(None, {u"name:ru": u"Кари́бские Нидерла́нды"}))
        assert not a.node(None, {u"name:ar": u"مسكّن عدي"})
        assert not a.node(None, {u"name:ko": u"유스페이스2 B동"})

        self.check_err(a.node(None, {u"name:el": u"Aιαδρομος"})) # A (Latin) to Α (Greek)

        assert a.node(None, {u"name": u"ä"})

    def test_fr_LU(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "fr_LU"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name": u"ä"})

    def test_fr_nl(self):
        a = Name_Script(None)
        class _config:
            options = {"language": ["fr", "nl"]}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        self.check_err(a.node(None, {u"name": u"test ь"}))
        assert not a.node(None, {u"name": u"test кодувань"})

        assert not a.node(None, {u"name:uk": u"кодувань"})
        self.check_err(a.node(None, {u"name:uk": u"Sacré-Cœur"}))

    def test_zh(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "zh"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name": u"test ь"})
        assert not a.node(None, {u"name": u"test кодувань"})

        assert not a.node(None, {u"name:uk": u"кодувань"})
        self.check_err(a.node(None, {u"name:uk": u"Sacré-Cœur"}))

    def test_uk(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "uk"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name": u"Бу́рти"})
        assert not a.node(None, {u"name": u"Шкарпи́"})

    def test_BG(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "bg", "country": "BG"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name": u"TT190/XXVI/"}) # Bulgarian survey point

    def test_non_printable(self):
        a = Name_Script(None)
        class _config:
            options = {}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        self.check_err(a.node(None, {u"name\u0001": u"test"}))
        self.check_err(a.node(None, {u"name": u"test \u0000"}))
        self.check_err(a.node(None, {u"name": u"test \u202B"}))

    def test_non_my(self):
        a = Name_Script(None)
        class _config:
            options = {"language": "my", "country": "ZZ"}
        class father:
            config = _config()
        a.father = father()
        a.init(None)

        assert not a.node(None, {u"name:my": u"кодувань"})