def removeNewlines(u_text):
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
'[\r\n]+',
' ',
u_text,
)
def stripHtmlTags(u_text): if log.isDebug(): assert isinstance(u_text, str) return u_pat_strip_tags.sub( " ", u_text, )
def stripHtmlTags(u_text):
if log.isDebug(): assert isinstance(text, str)
return re.sub(
'(?:<[/a-zA-Z].*?(?:>|$))+',
' ',
u_text,
)
def removeNewlines(u_text): if log.isDebug(): assert isinstance(u_text, str) return u_pat_newline.sub( " ", u_text, )
def stripDollarIndexes(b_word):
if log.isDebug(): assert isinstance(b_word, bytes)
i = 0
b_word_main = b''
strip_count = 0 # number of sequences found
# strip $<index>$ sequences
while True:
d0 = b_word.find(b'$', i)
if d0 == -1:
b_word_main += b_word[i:]
break
d1 = b_word.find(b'$', d0+1)
if d1 == -1:
#log.debug('stripDollarIndexes(%s):\npaired $ is not found'%b_word)
b_word_main += b_word[i:]
break
if d1 == d0+1:
"""
You may find keys (or alternative keys) like these:
sur l'arbre$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
obscurantiste$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
They all end on a sequence of b'$', key length including dollars is always 60 chars.
You may find keys like these:
extremidade-$$$-$$$-linha
.FIRM$$$$$$$$$$$$$
etc
summary: we must remove any sequence of dollar signs longer than 1 chars
"""
#log.debug('stripDollarIndexes(%s):\nfound $$'%b_word)
b_word_main += b_word[i:d0]
i = d1 + 1
while i < len(b_word) and b_word[i] == ord(b'$'):
i += 1
if i >= len(b_word):
break
continue
if b_word[d0+1:d1].strip(b'0123456789'):## if has at least one non-digit char
#log.debug('stripDollarIndexes(%s):\nnon-digit between $$'%b_word)
b_word_main += b_word[i:d1]
i = d1
continue
if d1+1 < len(b_word) and b_word[d1+1] != 0x20:
"""
Examples:
make do$4$/make /do
potere$1$<BR><BR>See also <a href='file://ITAL-ENG POTERE 1249-1250.pdf'>notes...</A>
volere$1$<BR><BR>See also <a href='file://ITAL-ENG VOLERE 1469-1470.pdf'>notes...</A>
Ihre$1$Ihres
"""
#log.debug('stripDollarIndexes(%s):\nsecond $ is followed by non-space'%b_word))
pass
b_word_main += b_word[i:d0]
i = d1+1
strip_count += 1
return b_word_main, strip_count
def normalizeNewlines(u_text):
"""
convert new lines to unix style and remove consecutive new lines
"""
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
'[\r\n]+',
'\n',
u_text,
)
def replaceHtmlEntries(u_text):
# &ldash;
# “
# ċ
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
u_pat_html_entry,
replaceHtmlEntryCB,
u_text,
)
def normalizeNewlines(u_text): """ convert new lines to unix style and remove consecutive new lines """ if log.isDebug(): assert isinstance(u_text, str) return u_pat_newline.sub( "\n", u_text, )
def replaceHtmlEntriesInKeys(u_text): # &ldash; # “ # ċ if log.isDebug(): assert isinstance(u_text, str) return u_pat_html_entry_key.sub( replaceHtmlEntryNoEscapeCB, u_text, )
def replaceHtmlEntriesInKeys(u_text):
# &ldash;
# “
# ċ
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
u_pat_html_entry_key,
replaceHtmlEntryNoEscapeCB,
u_text,
)
def removeControlChars(u_text): # \x09 - tab # \x0a - line feed # \x0b - vertical tab # \x0d - carriage return if log.isDebug(): assert isinstance(u_text, str) return u_pat_control_chars.sub( "", u_text, )
def removeControlChars(u_text):
# \x09 - tab
# \x0a - line feed
# \x0b - vertical tab
# \x0d - carriage return
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
'[\x00-\x08\x0c\x0e-\x1f]',
'',
u_text,
)
def replaceHtmlEntryNoEscapeCB(u_match): """ u_match: instance of _sre.SRE_Match Replace character entity with the corresponding character Return the original string if conversion fails. Use this as a replace function of re.sub. """ import html.entities from pyglossary.html_utils import name2codepoint u_text = u_match.group(0) u_name = u_match.group(1) if log.isDebug(): assert isinstance(u_text, str) and isinstance(u_name, str) u_res = None if u_text[:2] == "&#": # character reference try: if u_text[:3].lower() == "&#x": code = int(u_name, 16) else: code = int(u_name) if code <= 0: raise ValueError() u_res = chr(code) except (ValueError, OverflowError): u_res = chr(0xFFFD) # replacement character elif u_text[0] == "&": # named entity try: u_res = chr(html.entities.name2codepoint[u_name]) except KeyError: try: u_res = chr(name2codepoint[u_name.lower()]) except KeyError: """ Babylon dictionaries contain a lot of non-standard entity, references for example, csdot, fllig, nsm, cancer, thlig, tsdot, upslur... This not just a typo. These entries repeat over and over again. Perhaps they had meaning in the source dictionary that was converted to Babylon, but now the meaning is lost. Babylon does render them as is, that is, for example, &csdot; despite other references like & are replaced with corresponding characters. """ unknownHtmlEntries.add(u_text) u_res = u_text else: raise ArgumentError() return u_res
def escapeNewlines(u_text):
"""
convert text to c-escaped string:
\ -> \\
new line -> \n or \r
"""
if log.isDebug(): assert isinstance(u_text, str)
return re.sub(
'[\\r\\n\\\\]',
escapeNewlinesCallback,
u_text,
)
def escapeNewlines(u_text): r""" convert text to c-escaped string: \ -> \\ new line -> \n or \r """ if log.isDebug(): assert isinstance(u_text, str) return u_pat_newline_escape.sub( escapeNewlinesCallback, u_text, )
def replaceHtmlEntryNoEscapeCB(u_match): """ u_match: instance of _sre.SRE_Match Replace character entity with the corresponding character Return the original string if conversion fails. Use this as a replace function of re.sub. """ import html.entities from pyglossary.html_utils import name2codepoint u_text = u_match.group(0) u_name = u_match.group(1) if log.isDebug(): assert isinstance(u_text, str) and isinstance(u_name, str) u_res = None if u_text[:2] == "&#": # character reference try: if u_text[:3].lower() == "&#x": code = int(u_name, 16) else: code = int(u_name) if code <= 0: raise ValueError() u_res = chr(code) except (ValueError, OverflowError): u_res = chr(0xFFFD) # replacement character elif u_text[0] == "&": # named entity try: u_res = chr(html.entities.name2codepoint[u_name]) except KeyError: try: u_res = chr(name2codepoint[u_name.lower()]) except KeyError: """ Babylon dictionaries contain a lot of non-standard entity, references for example, csdot, fllig, nsm, cancer, thlig, tsdot, upslur... This not just a typo. These entries repeat over and over again. Perhaps they had meaning in the source dictionary that was converted to Babylon, but now the meaning is lost. Babylon does render them as is, that is, for example, &csdot; despite other references like & are replaced with corresponding characters. """ unkownHtmlEntries.add(u_text) u_res = u_text else: raise ArgumentError() return u_res
def fixImgLinks(u_text):
"""
Fix img tag links
src attribute value of image tag is often enclosed in \x1e - \x1f characters.
For example, <IMG border='0' src='\x1e6B6C56EC.png\x1f' width='9' height='8'>.
Naturally the control characters are not part of the image source name.
They may be used to quickly find all names of resources.
This function strips all such characters.
Control characters \x1e and \x1f are useless in html text, so we may safely remove
all of them, irrespective of context.
"""
if log.isDebug(): assert isinstance(u_text, str)
return u_text.replace('\x1e', '').replace('\x1f', '')
def replaceAsciiCharRefs(b_text, encoding):
# “
# ċ
if log.isDebug(): assert isinstance(b_text, bytes)
b_parts = re.split(b_pat_ascii_char_ref, b_text)
for i_part, b_part in enumerate(b_parts):
if i_part % 2 != 1:
continue
# reference
try:
if b_part[:3].lower() == '&#x':
code = int(b_part[3:-1], 16)
else:
code = int(b_part[2:-1])
if code <= 0:
raise ValueError()
except (ValueError, OverflowError):
code = -1
if code < 128 or code > 255:
continue
# no need to escape '<', '>', '&'
b_parts[i_part] = bytes([code])
return b''.join(b_parts)
