X-Git-Url: https://git.phdru.name/?a=blobdiff_plain;f=Robots%2Fparse_html.py;h=80d4a9243bbbec31b96d98a4881182afefd05361;hb=5f637b5a5fe27098985975928632b9fea5ea3c62;hp=dbca770543d7b6cc7b4e4c367413e53d505b1b5d;hpb=3054de4d1a2dc190c06943d021fdb836464e6b19;p=bookmarks_db.git diff --git a/Robots/parse_html.py b/Robots/parse_html.py index dbca770..80d4a92 100755 --- a/Robots/parse_html.py +++ b/Robots/parse_html.py @@ -7,31 +7,37 @@ import codecs -from m_lib.defenc import default_encoding -current_charset = default_encoding.replace("windows-", "cp") - universal_charset = "utf-8" DEFAULT_CHARSET = "cp1251" # Stupid default for Russian Cyrillic parsers = [] try: - from parse_html_beautifulsoup import parse_html + import parse_html_beautifulsoup + parse_html_beautifulsoup.DEFAULT_CHARSET = DEFAULT_CHARSET except ImportError: pass else: - parsers.append(parse_html) + parsers.append(parse_html_beautifulsoup.parse_html) from parse_html_htmlparser import parse_html parsers.append(parse_html) import re -from htmlentitydefs import entitydefs +from htmlentitydefs import name2codepoint entity_re = re.compile("(&\w+;)") num_entity_re = re.compile("(&#[0-9]+;)") def recode_entities(title, charset): + output = [] + for part in entity_re.split(title): + if part not in ("&", "<", ">", ""e;") and \ + entity_re.match(part): + part = unichr(name2codepoint.get(part[1:-1], part)).encode(charset) + output.append(part) + title = ''.join(output) + output = [] for part in num_entity_re.split(title): if num_entity_re.match(part): @@ -41,18 +47,7 @@ def recode_entities(title, charset): pass # Leave the entity as is output.append(part) - output2 = [] - for part in entity_re.split(''.join(output)): - if entity_re.match(part): - part = entitydefs.get(part[1:-1], part) - if num_entity_re.match(part): - try: - part = unichr(int(part[2:-1])).encode(charset) - except UnicodeEncodeError: - pass # Leave the entity as is - output2.append(part) - - return ''.join(output2) + return ''.join(output) def parse_html(filename, charset=None, log=None): @@ -62,8 +57,20 @@ def parse_html(filename, charset=None, log=None): except (ValueError, LookupError): charset = None # ...try charset from HTML + charsets = [universal_charset, DEFAULT_CHARSET] + if charset: + charset = charset.lower().replace("windows-", "cp") + if charset not in charsets: + charsets.insert(0, charset) + for p in parsers: - parser = p(filename, charset) + parser = None + for c in charsets: + try: + parser = p(filename, c, log) + break + except UnicodeEncodeError: + pass if parser: break else: @@ -77,30 +84,28 @@ def parse_html(filename, charset=None, log=None): parser.charset = DEFAULT_CHARSET if parser.charset: - parser.charset = parser.charset.replace("windows-", "cp").lower() + parser.charset = parser.charset.lower().replace("windows-", "cp") - if parser.charset and (parser.charset <> universal_charset): + if parser.charset and ( + (parser.charset <> universal_charset) or + ((not charset) or (charset <> parser.charset))): try: if parser.meta_charset: if log: log(" META charset : %s" % parser.charset) - else: - if log: log(" HTTP charset : %s" % parser.charset) + elif (not charset) or (charset <> parser.charset): + if log: log(" guessed charset: %s" % parser.charset) if log: log(" current charset: %s" % universal_charset) if log: log(" title : %s" % title) - save_title = title - try: - converted_title = unicode(title, parser.charset).encode(universal_charset) - except UnicodeError: - if parser.meta_charset and parser.charset.endswith("1252") and \ - not DEFAULT_CHARSET.endswith("1252") and (DEFAULT_CHARSET <> universal_charset): + if parser.charset <> universal_charset: + try: + converted_title = unicode(title, parser.charset).encode(universal_charset) + except UnicodeError: + if log: log(" incorrect conversion from %s, converting from %s" % (parser.charset, DEFAULT_CHARSET)) + converted_title = unicode(title, DEFAULT_CHARSET, "replace").encode(universal_charset, "replace") parser.charset = DEFAULT_CHARSET - if log: log(" incorrect conversion from cp1252, converting from %s" % DEFAULT_CHARSET) - converted_title = unicode(save_title, DEFAULT_CHARSET, "replace").encode(universal_charset, "replace") - else: - converted_title = unicode(title, parser.charset, "replace").encode(universal_charset, "replace") if log and (converted_title <> title): log(" converted title: %s" % converted_title) except LookupError: - if log: log(" unknown charset: `%s' or `%s'" % (parser.charset, universal_charset)) + if log: log(" unknown charset: '%s'" % parser.charset) else: if log: log(" title : %s" % title) @@ -114,9 +119,10 @@ def parse_html(filename, charset=None, log=None): if __name__ == '__main__': import sys - parser = parse_html(sys.argv[1], universal_charset) - print parser.charset - print parser.title - print parser.title.decode(universal_charset).encode(current_charset, "replace") - print parser.refresh - print parser.icon + from m_lib.defenc import default_encoding + current_charset = default_encoding.replace("windows-", "cp") + + parser = parse_html(sys.argv[1], universal_charset, + log=lambda s: sys.stdout.write(s + '\n')) + print " refresh:", parser.refresh + print " icon :", parser.icon