forked from openlp/openlp
Jeffrey Smith
Andreas Preikschat
commit
2511332a9e
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@ -46,7 +46,13 @@ log = logging.getLogger(__name__)
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WHITESPACE = re.compile(r'[\W_]+', re.UNICODE)
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APOSTROPHE = re.compile('[\'`’ʻ′]', re.UNICODE)
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PATTERN = re.compile(r"\\([a-z]{1,32})(-?\d{1,10})?[ ]?|\\'([0-9a-f]{2})|\\([^a-z])|([{}])|[\r\n]+|(.)", re.I)
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# PATTERN will look for the next occurence of one of these symbols:
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# \controlword - optionally preceded by \*, optionally followed by a number
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# \'## - where ## is a pair of hex digits, representing a single character
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# \# - where # is a single non-alpha character, representing a special symbol
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# { or } - marking the beginning/end of a group
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# a run of characters without any \ { } or end-of-line
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PATTERN = re.compile(r"(\\\*)?\\([a-z]{1,32})(-?\d{1,10})?[ ]?|\\'([0-9a-f]{2})|\\([^a-z*])|([{}])|[\r\n]+|([^\\{}\r\n]+)", re.I)
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# RTF control words which specify a "destination" to be ignored.
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DESTINATIONS = frozenset((
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'aftncn', 'aftnsep', 'aftnsepc', 'annotation', 'atnauthor',
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@ -57,8 +63,8 @@ DESTINATIONS = frozenset((
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'datafield', 'datastore', 'defchp', 'defpap', 'do', 'doccomm',
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'docvar', 'dptxbxtext', 'ebcend', 'ebcstart', 'factoidname',
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'falt', 'fchars', 'ffdeftext', 'ffentrymcr', 'ffexitmcr',
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'ffformat', 'ffhelptext', 'ffl', 'ffname', 'ffstattext', 'field',
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'file', 'filetbl', 'fldinst', 'fldrslt', 'fldtype', 'fname',
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'ffformat', 'ffhelptext', 'ffl', 'ffname', 'ffstattext',
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'file', 'filetbl', 'fldinst', 'fldtype', 'fname',
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'fontemb', 'fontfile', 'footer', 'footerf', 'footerl', 'footerr',
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'footnote', 'formfield', 'ftncn', 'ftnsep', 'ftnsepc', 'g',
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'generator', 'gridtbl', 'header', 'headerf', 'headerl',
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@ -106,6 +112,11 @@ DESTINATIONS = frozenset((
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'xmlclose', 'xmlname', 'xmlnstbl', 'xmlopen'))
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# Translation of some special characters.
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SPECIAL_CHARS = {
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'\n': '\n',
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'\r': '\n',
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'~': '\u00A0',
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'-': '\u00AD',
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'_': '\u2011',
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'par': '\n',
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'sect': '\n\n',
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# Required page and column break.
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@ -132,16 +143,19 @@ SPECIAL_CHARS = {
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'zwj': '\u200D',
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'zwnj': '\u200C'}
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CHARSET_MAPPING = {
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'fcharset0': 'cp1252',
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'fcharset161': 'cp1253',
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'fcharset162': 'cp1254',
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'fcharset163': 'cp1258',
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'fcharset177': 'cp1255',
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'fcharset178': 'cp1256',
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'fcharset186': 'cp1257',
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'fcharset204': 'cp1251',
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'fcharset222': 'cp874',
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'fcharset238': 'cp1250'}
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'0': 'cp1252',
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'128': 'cp932',
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'129': 'cp949',
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'134': 'cp936',
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'161': 'cp1253',
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'162': 'cp1254',
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'163': 'cp1258',
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'177': 'cp1255',
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'178': 'cp1256',
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'186': 'cp1257',
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'204': 'cp1251',
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'222': 'cp874',
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'238': 'cp1250'}
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class VerseType(object):
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@ -351,7 +365,7 @@ def retrieve_windows_encoding(recommendation=None):
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if recommendation == encodings[index][0]:
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recommended_index = index
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break
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if recommended_index > 0:
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if recommended_index > -1:
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choice = QtGui.QInputDialog.getItem(None,
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translate('SongsPlugin', 'Character Encoding'),
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translate('SongsPlugin', 'The codepage setting is responsible\n'
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@ -365,7 +379,7 @@ def retrieve_windows_encoding(recommendation=None):
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[pair[1] for pair in encodings], 0, False)
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if not choice[1]:
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return None
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return filter(lambda item: item[1] == choice[0], encodings)[0][0]
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return next(filter(lambda item: item[1] == choice[0], encodings))[0]
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def clean_string(string):
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@ -521,43 +535,59 @@ def strip_rtf(text, default_encoding=None):
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curskip = 0
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# Output buffer.
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out = []
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# Encoded buffer.
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ebytes = bytearray()
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for match in PATTERN.finditer(text):
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word, arg, hex, char, brace, tchar = match.groups()
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iinu, word, arg, hex, char, brace, tchar = match.groups()
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# \x (non-alpha character)
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if char:
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if char in '\\{}':
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tchar = char
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else:
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word = char
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# Flush encoded buffer to output buffer
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if ebytes and not hex and not tchar:
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failed = False
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while True:
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try:
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encoding, default_encoding = get_encoding(font, font_table, default_encoding, failed=failed)
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if not encoding:
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return None
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dbytes = ebytes.decode(encoding)
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# Code 5C is a peculiar case with Windows Codepage 932
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if encoding == 'cp932' and '\\' in dbytes:
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dbytes = dbytes.replace('\\', '\u00A5')
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out.append(dbytes)
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ebytes.clear()
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except UnicodeDecodeError:
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failed = True
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else:
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break
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# {}
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if brace:
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curskip = 0
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if brace == '{':
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# Push state
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stack.append((ucskip, ignorable, font))
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elif brace == '}':
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elif brace == '}' and len(stack) > 0:
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# Pop state
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ucskip, ignorable, font = stack.pop()
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# \x (not a letter)
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elif char:
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curskip = 0
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if char == '~' and not ignorable:
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out.append('\xA0')
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elif char in '{}\\' and not ignorable:
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out.append(char)
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elif char == '-' and not ignorable:
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out.append('\u00AD')
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elif char == '_' and not ignorable:
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out.append('\u2011')
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elif char == '*':
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ignorable = True
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# \command
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elif word:
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curskip = 0
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if word in DESTINATIONS:
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ignorable = True
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elif word in SPECIAL_CHARS:
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out.append(SPECIAL_CHARS[word])
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if not ignorable:
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out.append(SPECIAL_CHARS[word])
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elif word == 'uc':
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ucskip = int(arg)
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elif word == ' ':
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elif word == 'u':
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c = int(arg)
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if c < 0:
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c += 0x10000
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out.append(chr(c))
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if not ignorable:
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out.append(chr(c))
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curskip = ucskip
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elif word == 'fonttbl':
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ignorable = True
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@ -565,31 +595,24 @@ def strip_rtf(text, default_encoding=None):
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font = arg
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elif word == 'ansicpg':
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font_table[font] = 'cp' + arg
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elif word == 'fcharset' and font not in font_table and word + arg in CHARSET_MAPPING:
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# \ansicpg overrides \fcharset, if present.
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font_table[font] = CHARSET_MAPPING[word + arg]
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elif word == 'fcharset' and font not in font_table and arg in CHARSET_MAPPING:
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font_table[font] = CHARSET_MAPPING[arg]
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elif word == 'fldrslt':
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pass
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# \* 'Ignore if not understood' marker
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elif iinu:
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ignorable = True
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# \'xx
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elif hex:
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if curskip > 0:
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curskip -= 1
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elif not ignorable:
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charcode = int(hex, 16)
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failed = False
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while True:
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try:
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encoding, default_encoding = get_encoding(font, font_table, default_encoding, failed=failed)
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if not encoding:
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return None
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out.append(chr(charcode).decode(encoding))
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except UnicodeDecodeError:
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failed = True
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else:
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break
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ebytes.append(int(hex, 16))
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elif tchar:
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if curskip > 0:
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curskip -= 1
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elif not ignorable:
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out.append(tchar)
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ebytes += tchar.encode()
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text = ''.join(out)
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return text, default_encoding
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@ -6,7 +6,7 @@ from unittest import TestCase
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from mock import patch, MagicMock
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from openlp.plugins.songs.lib import VerseType, clean_string, clean_title
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from openlp.plugins.songs.lib import VerseType, clean_string, clean_title, strip_rtf
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from openlp.plugins.songs.lib.songcompare import songs_probably_equal, _remove_typos, _op_length
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@ -215,6 +215,38 @@ class TestLib(TestCase):
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# THEN: The maximum length should be returned.
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assert result == 10, 'The length should be 10.'
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def strip_rtf_charsets_test(self):
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"""
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Test that the strip_rtf() method properly decodes the supported charsets.
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"""
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test_charset_table = [
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('0', 'weor\\\'F0-myndum \\\'FEah\\par ', 'weorð-myndum þah\n'),
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('128', '\\\'83C\\\'83G\\\'83X\\\'A5\\\'83L\\\'83\\\'8A\\\'83X\\\'83g\\\'A1 '
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'\\\\ \\\'95\\\\ \\\'8E\\} \\\'8E\\{ \\\'A1\\par ', 'イエス･キリスト｡ ¥ 表 枝 施 ｡\n'),
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('129', '\\\'BF\\\'B9\\\'BC\\\'F6 \\\'B1\\\'D7\\\'B8\\\'AE\\\'BD\\\'BA\\\'B5\\\'B5\\par ', '예수 그리스도\n'),
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('134', '\\\'D2\\\'AE\\\'F6\\\'D5\\\'BB\\\'F9\\\'B6\\\'BD\\\'CA\\\'C7\\\'D6\\\'F7\\par ', '耶稣基督是主\n'),
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('161', '\\\'D7\\\'F1\\\'E9\\\'F3\\\'F4\\\'FC\\\'F2\\par ', 'Χριστός\n'),
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('162', 'Hazreti \\\'DDsa\\par ', 'Hazreti İsa\n'),
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('163', 'ph\\\'FD\\\'F5ng\\par ', 'phương\n'),
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('177', '\\\'E1\\\'F8\\\'E0\\\'F9\\\'E9\\\'FA\\par ', 'בראשית\n'),
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('178', '\\\'ED\\\'D3\\\'E6\\\'DA \\\'C7\\\'E1\\\'E3\\\'D3\\\'ED\\\'CD\\par ', 'يسوع المسيح\n'),
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('186', 'J\\\'EBzus Kristus yra Vie\\\'F0pats\\par ', 'Jėzus Kristus yra Viešpats\n'),
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('204', '\\\'D0\\\'EE\\\'F1\\\'F1\\\'E8\\\'FF\\par ', 'Россия\n'),
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('222', '\\\'A4\\\'C3\\\'D4\\\'CA\\\'B5\\\'EC\\par ', 'คริสต์\n'),
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('238', 'Z\\\'E1v\\\'ECre\\\'E8n\\\'E1 zkou\\\'9Aka\\par ', 'Závěrečná zkouška\n')
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]
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# GIVEN: For each character set and input
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for charset, input, exp_result in test_charset_table:
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# WHEN: We call strip_rtf on the input RTF
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result, result_enc = strip_rtf(
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'{\\rtf1 \\ansi \\ansicpg1252 {\\fonttbl \\f0 \\fswiss \\fcharset%s Helvetica;}' \
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'{\\colortbl ;\\red0 \\green0 \\blue0 ;}\\pard \\f0 %s}' % (charset, input))
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# THEN: The stripped text matches thed expected result
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assert result == exp_result, 'The result should be %s' % exp_result
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class TestVerseType(TestCase):
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"""
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