def get_tokens(self, text):
if isinstance(text, str):
# raw token stream never has any non-ASCII characters
text = text.encode('ascii')
if self.compress == 'gz':
import gzip
gzipfile = gzip.GzipFile('', 'rb', 9, io.StringIO(text))
text = gzipfile.read()
elif self.compress == 'bz2':
import bz2
text = bz2.decompress(text)
# do not call Lexer.get_tokens() because we do not want Unicode
# decoding to occur, and stripping is not optional.
text = text.strip(b('\n')) + b('\n')
for i, t, v in self.get_tokens_unprocessed(text):
yield t, v
def get_tokens(self, text):
if isinstance(text, str):
# raw token stream never has any non-ASCII characters
text = text.encode("ascii")
if self.compress == "gz":
import gzip
gzipfile = gzip.GzipFile("", "rb", 9, io.StringIO(text))
text = gzipfile.read()
elif self.compress == "bz2":
import bz2
text = bz2.decompress(text)
# do not call Lexer.get_tokens() because we do not want Unicode
# decoding to occur, and stripping is not optional.
text = text.strip(b("\n")) + b("\n")
for i, t, v in self.get_tokens_unprocessed(text):
yield t, v
def format(self, tokensource, outfile):
try:
outfile.write(b(''))
except TypeError:
raise TypeError('The raw tokens formatter needs a binary '
'output file')
if self.compress == 'gz':
import gzip
outfile = gzip.GzipFile('', 'wb', 9, outfile)
def write(text):
outfile.write(text.encode())
flush = outfile.flush
elif self.compress == 'bz2':
import bz2
compressor = bz2.BZ2Compressor(9)
def write(text):
outfile.write(compressor.compress(text.encode()))
def flush():
outfile.write(compressor.flush())
outfile.flush()
else:
def write(text):
outfile.write(text.encode())
flush = outfile.flush
lasttype = None
lastval = ''
if self.error_color:
for ttype, value in tokensource:
line = "%s\t%r\n" % (ttype, value)
if ttype is Token.Error:
write(colorize(self.error_color, line))
else:
write(line)
else:
for ttype, value in tokensource:
write("%s\t%r\n" % (ttype, value))
flush()
def get_tokens_unprocessed(self, text):
length = 0
for match in line_re.finditer(text):
try:
ttypestr, val = match.group().split(b("\t"), 1)
except ValueError:
val = match.group().decode(self.encoding)
ttype = Error
else:
ttype = _ttype_cache.get(ttypestr)
if not ttype:
ttype = Token
ttypes = ttypestr.split(".")[1:]
for ttype_ in ttypes:
if not ttype_ or not ttype_[0].isupper():
raise ValueError("malformed token name")
ttype = getattr(ttype, ttype_)
_ttype_cache[ttypestr] = ttype
val = val[2:-2].decode("unicode-escape")
yield length, ttype, val
length += len(val)
def get_tokens_unprocessed(self, text):
length = 0
for match in line_re.finditer(text):
try:
ttypestr, val = match.group().split(b('\t'), 1)
except ValueError:
val = match.group().decode(self.encoding)
ttype = Error
else:
ttype = _ttype_cache.get(ttypestr)
if not ttype:
ttype = Token
ttypes = ttypestr.split('.')[1:]
for ttype_ in ttypes:
if not ttype_ or not ttype_[0].isupper():
raise ValueError('malformed token name')
ttype = getattr(ttype, ttype_)
_ttype_cache[ttypestr] = ttype
val = val[2:-2].decode('unicode-escape')
yield length, ttype, val
length += len(val)
def format(self, tokensource, outfile):
try:
outfile.write(b(''))
except TypeError:
raise TypeError('The raw tokens formatter needs a binary '
'output file')
if self.compress == 'gz':
import gzip
outfile = gzip.GzipFile('', 'wb', 9, outfile)
def write(text):
outfile.write(text.encode())
flush = outfile.flush
elif self.compress == 'bz2':
import bz2
compressor = bz2.BZ2Compressor(9)
def write(text):
outfile.write(compressor.compress(text.encode()))
def flush():
outfile.write(compressor.flush())
outfile.flush()
else:
def write(text):
outfile.write(text.encode())
flush = outfile.flush
lasttype = None
lastval = ''
if self.error_color:
for ttype, value in tokensource:
line = "%s\t%r\n" % (ttype, value)
if ttype is Token.Error:
write(colorize(self.error_color, line))
else:
write(line)
else:
for ttype, value in tokensource:
write("%s\t%r\n" % (ttype, value))
flush()
"""
"Null" lexer, doesn't highlight anything.
"""
name = "Text only"
aliases = ["text"]
filenames = ["*.txt"]
mimetypes = ["text/plain"]
def get_tokens_unprocessed(self, text):
yield 0, Text, text
_ttype_cache = {}
line_re = re.compile(b(".*?\n"))
class RawTokenLexer(Lexer):
"""
Recreate a token stream formatted with the `RawTokenFormatter`. This
lexer raises exceptions during parsing if the token stream in the
file is malformed.
Additional options accepted:
`compress`
If set to ``"gz"`` or ``"bz2"``, decompress the token stream with
the given compression algorithm before lexing (default: ``""``).
"""
class TextLexer(Lexer):
"""
"Null" lexer, doesn't highlight anything.
"""
name = 'Text only'
aliases = ['text']
filenames = ['*.txt']
mimetypes = ['text/plain']
def get_tokens_unprocessed(self, text):
yield 0, Text, text
_ttype_cache = {}
line_re = re.compile(b('.*?\n'))
class RawTokenLexer(Lexer):
"""
Recreate a token stream formatted with the `RawTokenFormatter`. This
lexer raises exceptions during parsing if the token stream in the
file is malformed.
Additional options accepted:
`compress`
If set to ``"gz"`` or ``"bz2"``, decompress the token stream with
the given compression algorithm before lexing (default: ``""``).
"""
name = 'Raw token data'
aliases = ['raw']
