/usr/lib/pyrite-publisher/PyritePublisher/plugin_CSV.py is in pyrite-publisher 2.1.1-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# $Id: plugin_CSV.py,v 1.1 2002/03/26 12:56:06 rob Exp $
#
# Copyright 2001 Rob Tillotson <rob@pyrite.org>
# All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software and
# its documentation for any purpose and without fee or royalty is
# hereby granted, provided that the above copyright notice appear in
# all copies and that both the copyright notice and this permission
# notice appear in supporting documentation or portions thereof,
# including modifications, that you you make.
#
# THE AUTHOR ROB TILLOTSON DISCLAIMS ALL WARRANTIES WITH REGARD TO
# THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
# SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
# RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
# CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE!
#
"""
"""
__version__ = '$Id: plugin_CSV.py,v 1.1 2002/03/26 12:56:06 rob Exp $'
__author__ = 'Rob Tillotson <rob@pyrite.org>'
__copyright__ = 'Copyright 2001 Rob Tillotson <rob@pyrite.org>'
from dtkplugins import ParserPlugin, LOG_ERROR, LOG_NORMAL, LOG_DEBUG, LOG_WARNING
from dbprotocol import *
import string
class CSVError(Exception): pass
class CSVParser:
def __init__(self):
self.fields = []
self.buf = ''
self.comment_marker = '#'
self.field_separator = ','
self.escape_double_quote = 1
self.skip_blank_lines = 1
self._state = 'start-field'
self._accum = ''
def flush(self):
self._state = 'start-field'
self._accum = ''
self.buf = ''
self.fields = []
def __parse(self):
x = 0
done = 0
while x < len(self.buf):
c = self.buf[x]
# start-field state: looking for beginning of field
# skip whitespace, separator means field was empty
if self._state == 'start-field':
if c == ' ' or c == '\t':
x = x + 1
continue
elif c == '\n':
done = 1
x = x + 1
break
elif c == '"':
self._state = 'quoted-string'
elif c == self.field_separator:
self.fields.append('')
else:
self._accum = self._accum + c
self._state = 'in-field'
elif self._state == 'in-field':
if c == self.field_separator:
self.fields.append(self._accum.strip())
self._accum = ''
self._state = 'start-field'
elif c == '\n':
self.fields.append(self._accum.strip())
self._accum = ''
self._state = 'start-field'
done = 1
x = x + 1
break
elif c == '"' and self.escape_double_quote and x < len(self.buf)-1 \
and self.buf[x+1] == '"':
x = x + 1 # eat second quote
self._accum = self._accum + '"'
else:
self._accum = self._accum + c
elif self._state == 'quoted-string':
if c == '"':
if self.escape_double_quote and x < len(self.buf)-1 and self.buf[x+1] == '"':
x = x + 1
self._accum = self._accum + '"'
else:
self.fields.append(self._accum)
self._accum = ''
self._state = 'after-quoted-string'
else:
self._accum = self._accum + c
elif self._state == 'after-quoted-string':
if c == '\n':
done = 1
x = x + 1
self._state = 'start-field'
break
elif c == ' ' or c == '\t':
x = x + 1
continue
elif c == self.field_separator:
self._state = 'start-field'
else:
self.flush()
raise CSVError, "text after quote"
x = x + 1
self.buf = self.buf[x:]
if done:
f = self.fields
self.fields = []
return f
def feed(self, text=''):
self.buf = self.buf + text
f = self.__parse()
while f is not None:
if f or not self.skip_blank_lines: self.handle_line(f)
f = self.__parse()
def eof(self):
self.feed('\n')
def handle_line(self, fields):
print fields
class PPCSVParser(CSVParser):
def __init__(self, next):
CSVParser.__init__(self)
self.next = next
self.field_specs = 0
def handle_line(self, fields):
if self.use_field_names and not self.field_specs:
self.field_specs = [FieldSpec(x, FLD_STRING) for x in fields]
self.next.define_fields(self.field_specs)
else:
if not self.field_specs:
self.field_specs = [FieldSpec("Field%d" % x, FLD_STRING) \
for x in range(len(fields))]
self.next.define_fields(self.field_specs)
self.next.feed_record(fields)
def eof(self):
CSVParser.eof(self)
class Plugin(ParserPlugin, CSVParser):
name = 'CSV'
description = 'Comma-separated-values parser.'
links = [ (0, 'text/comma-separated-values', 'columnar-database'),
(-100, 'text/plain', 'columnar-database'),
(-100, 'application/octet-stream', 'columnar-database'),
]
def __init__(self, *a, **kw):
ParserPlugin.__init__(self, *a, **kw)
self._add_property('use_field_names', 'Get field names from first line', boolean=1)
self._add_cli_option('use_field_names', None, 'use-field-names',
'Get field names from first line',
boolean=1)
self.use_field_names = 0
def open(self, chain, next, *a, **kw):
ParserPlugin.open(self, chain, next, *a, **kw)
self.parser = PPCSVParser(next)
self.copyProperties(self.parser)
self.ttbl = string.maketrans('','')
return self
def feed(self, data):
l = string.translate(data, self.ttbl, '\r')
self.parser.feed(l)
def eof(self):
self.parser.eof()
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