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Quote.py
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Quote.py
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# Copyright (C) 2003 - 2015 The Board of Regents of the University of Wisconsin System
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
"""This module implements the Quote class as part of the Data Objects."""
__author__ = 'David Woods <dwoods@wcer.wisc.edu>'
DEBUG = False
if DEBUG:
print "Document DEBUG is ON!"
# import wxPython
import wx
# import Python's datetime module
import datetime
# import Python's os module
import os
# import Python's types module
import types
# import Transana's Clip Keyword Object
import ClipKeywordObject
# import Transana's Collection Object
import Collection
# import Transana's Dialogs, required for an error message
import DataObject
# import Transana's Database Interface
import DBInterface
# import Transana's Dialogs
import Dialogs
# import Transana's Miscellaneous Functions
import Misc
# import Transana's Note Object
import Note
# import Transana's Constants
import TransanaConstants
# import Transana's Exceptions
from TransanaExceptions import *
# import Transana's Globals
import TransanaGlobal
class Quote(DataObject.DataObject):
"""This class defines the structure for a quote object. A quote
object describes a segemnt from a text-only document for analysis in Transana."""
def __init__(self, num=None, quoteID=None, collectionID=None, collectionParent=0, skipText=False):
"""Initialize a Quote object."""
# skipText indicates that the XMLText can be left off. This leads to significantly faster loading
# particularly when we start having large documents with embedded images.
DataObject.DataObject.__init__(self)
# Remember if we're supposed to skip the RTF Text
self.skipText = skipText
if type(num) in (int, long):
self.db_load_by_num(num)
elif (collectionID != None) and (quoteID != None):
self.db_load_by_name(collectionID, quoteID, collectionParent)
# If we're not loading an existing Quote ...
else:
self.collection_id = ''
# ... initialize the start and end character positions to -1
self.start_char = -1
self.end_char = -1
self.sort_order = 0
# For Partial Transcript Editing, create a data structure for storing the transcript information by LINE
self.lines = []
# Initialize a paragraph counter
self.paragraphs = 0
# Create a data structure for tracking very large transcripts by section
self.paragraphPointers = {}
# If we have text in the transcript ...
if (num != None) or (quoteID != None):
# ... set up data structures needed for editing large paragraphs
self.UpdateParagraphs()
# Public methods
def __repr__(self):
str = 'Quote Object:\n'
str += "number = %s\n" % self.number
str += "id = %s\n" % self.id
str += "collection_num = %s\n" % self.collection_num
str = str + "collection_id = %s\n" % self.collection_id
str += "source_document_num = %s\n" % self.source_document_num
str += "sort_order = %s\n" % self.sort_order
str += "start_char = %s\n" % self.start_char
str += "end_char = %s\n" % self.end_char
str += "comment = %s\n" % self.comment
# str += "isLocked = %s\n" % self._isLocked
# str += "recordlock = %s\n" % self.recordlock
# str += "locktime = %s\n" % self.locktime
str += "Keywords:\n"
for kw in self._kwlist:
str += ' ' + kw.keywordPair + '\n'
str = str + "LastSaveTime = %s\n" % self.lastsavetime
if len(self.text) > 150:
str += self.text[:150] + '\n\n' # "text not displayed due to length.\n\n"
else:
str += "text = %s\n\n" % self.text
return str.encode('utf8')
def __eq__(self, other):
""" Object Equality function """
if other == None:
return False
else:
if DEBUG:
print "Quote.__eq__():", len(self.__dict__.keys()), len(other.__dict__.keys())
print self.__dict__.keys()
print other.__dict__.keys()
print
for key in self.__dict__.keys():
print key, self.__dict__[key] == other.__dict__[key],
if self.__dict__[key] != other.__dict__[key]:
print self.__dict__[key], other.__dict__[key]
else:
print
print
return self.__dict__ == other.__dict__
def db_load_by_name(self, collectionID, quoteID, collectionParent):
"""Load a record by ID / Name."""
# If we're in Unicode mode, we need to encode the parameters so that the query will work right.
if 'unicode' in wx.PlatformInfo:
collectionID = collectionID.encode(TransanaGlobal.encoding)
quoteID = quoteID.encode(TransanaGlobal.encoding)
# Get a database connection
db = DBInterface.get_db()
# Craft a query to get Quote data
query = """SELECT * FROM Quotes2 a, Collections2 b, QuotePositions2 c
WHERE QuoteID = %s AND
a.CollectNum = b.CollectNum AND
b.CollectID = %s AND
b.ParentCollectNum = %s AND
c.QuoteNum = a.QuoteNum
"""
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Get a database cursor
c = db.cursor()
# Execute the query
c.execute(query, (quoteID, collectionID, collectionParent))
# Get the number of rows returned
# rowcount doesn't work for sqlite!
if TransanaConstants.DBInstalled == 'sqlite3':
# ... so assume one record returned and check later
n = 1
# If not sqlite ...
else:
# ... we can use rowcount to know how much data was returned
n = c.rowcount
# If we don't get exactly one result ...
if (n != 1):
# Close the cursor
c.close()
# Clear the current Document object
self.clear()
# Raise an exception saying the data is not found
raise RecordNotFoundError, (quoteID, n)
# If we get exactly one result ...
else:
# Get the data from the cursor
r = DBInterface.fetch_named(c)
# if sqlite and no data is returned ...
if (TransanaConstants.DBInstalled == 'sqlite3') and (r == {}):
# ... close the cursor ...
c.close()
# ... clear the Document object ...
self.clear()
# ... and raise an exception
raise RecordNotFoundError, (quoteID, 0)
# Load the data into the Document object
self._load_row(r)
# Refresh the Keywords
self.refresh_keywords()
# Close the Database cursor
c.close()
def db_load_by_num(self, num):
"""Load a record by record number."""
# Get the database connection
db = DBInterface.get_db()
# If we're skipping the XML Text ...
if self.skipText:
# Define the query to load a Quote without text
query = """SELECT a.QuoteNum, QuoteID, a.CollectNum, CollectID, SourceDocumentNum, SortOrder, a.Comment,
StartChar, EndChar,
a.RecordLock, a.LockTime, LastSaveTime
FROM Quotes2 a, QuotePositions2 b, Collections2 c
WHERE a.QuoteNum = %s AND
a.QuoteNum = b.QuoteNum AND
a.CollectNum = c.CollectNum
"""
# If we're NOT skipping the RTF Text ...
else:
# Define the query to load a Document with everything
# Define the query to load a Quote without text
query = """SELECT a.QuoteNum, QuoteID, a.CollectNum, CollectID, SourceDocumentNum, SortOrder, a.Comment,
StartChar, EndChar,
XMLText, a.RecordLock, a.LockTime, LastSaveTime
FROM Quotes2 a, QuotePositions2 b, Collections2 c
WHERE a.QuoteNum = %s AND
a.QuoteNum = b.QuoteNum AND
a.CollectNum = c.CollectNum
"""
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Get a database cursor
c = db.cursor()
# Execute the Load query
c.execute(query, (num, ))
# rowcount doesn't work for sqlite!
if TransanaConstants.DBInstalled == 'sqlite3':
n = 1
else:
n = c.rowcount
# If we don't have exactly ONE record ...
if (n != 1):
# ... close the database cursor ...
c.close()
# ... clear the current Transcript Object ...
self.clear()
# ... and raise an exception
raise RecordNotFoundError, (num, n)
# If we DO have exactly one record (or use sqlite) ...
else:
# ... Fetch the query results ...
r = DBInterface.fetch_named(c)
# If sqlite and not results are found ...
if (TransanaConstants.DBInstalled == 'sqlite3') and (r == {}):
# ... close the database cursor ...
c.close()
# ... clear the current Transcript object ...
self.clear()
# ... and raise an exception
raise RecordNotFoundError, (num, 0)
# Load the data into the Transcript Object
self._load_row(r)
# Refresh the Keywords
self.refresh_keywords()
# Close the database cursor
c.close()
def UpdateParagraphs(self):
""" This method divides XML text up into paragraphs, needed for editing LONG documents """
# Initialize (or re-initialize) the paragraph pointers dictionary
self.paragraphPointers = {}
# If there's a defined (saved) transcript object ...
if (self.id != 0) and (self.text != None):
# ... and if the text is in XML form ...
if self.text[:5] == '<?xml':
# ... divide the transcript text into individual LINES
self.lines = self.text.split('\n')
# Initialize the paragraph counter
self.paragraphs = 0
# Iterate through the lines
for x in range(0, len(self.lines)):
# Every 100 paragraphs ...
if self.paragraphs % 100 == 0:
# ... set a pointer to the line that starts the paragraph
self.paragraphPointers[self.paragraphs] = x
# # If the line contains the Paragraph XML tag, ...
if ("<paragraph " in self.lines[x]) or ("<paragraph>" in self.lines[x]):
# ... increment the Paragraph Counter
self.paragraphs += 1
# print "characters:", len(self.text)
# print "lines:", len(self.lines)
# print "paragraphs:", self.paragraphs
# print
def db_save(self, use_transactions=True):
"""Save the record to the database using Insert or Update as appropriate."""
# Define and implement Demo Version limits
if TransanaConstants.demoVersion and (self.number == 0):
# Get a DB Cursor
c = DBInterface.get_db().cursor()
# Find out how many Quote records exist
c.execute('SELECT COUNT(QuoteNum) FROM Quotes2')
res = c.fetchone()
c.close()
# Define the maximum number of records allowed
maxQuotes = TransanaConstants.maxQuotes
# Compare
if res[0] >= maxQuotes:
# If the limit is exceeded, create and display the error using a SaveError exception
prompt = _('The Transana Demonstration limits you to %d Quote records.\nPlease cancel the "Add Quote" dialog to continue.')
if 'unicode' in wx.PlatformInfo:
prompt = unicode(prompt, 'utf8')
raise SaveError, prompt % maxQuotes
# Sanity checks
if (self.id == ""):
raise SaveError, _("Quote ID is required.")
elif (self.collection_num == 0):
raise SaveError, _("Parent Collection number is required.")
if DEBUG:
print "Quote.db_save(): %s\n%s" % (self.text, type(self.text))
# If we're in Unicode mode, ...
if 'unicode' in wx.PlatformInfo:
# Encode strings to UTF8 before saving them. The easiest way to handle this is to create local
# variables for the data. We don't want to change the underlying object values. Also, this way,
# we can continue to use the Unicode objects where we need the non-encoded version. (error messages.)
id = self.id.encode(TransanaGlobal.encoding)
# If the comment is None in the database, we can't encode that! Otherwise, we should encode.
if self.comment != None:
comment = self.comment.encode(TransanaGlobal.encoding)
else:
comment = self.comment
else:
# If we don't need to encode the string values, we still need to copy them to our local variables.
id = self.id
comment = self.comment
if (len(self.text) > TransanaGlobal.max_allowed_packet): # 8388000
raise SaveError, _("This quote is too large for the database. Please shorten it, split it into two parts\nor if you are importing an RTF document, remove some unnecessary RTF encoding.")
fields = ("QuoteID", "CollectNum", "SourceDocumentNum", "SortOrder", "Comment", "XMLText", "LastSaveTime")
values = (id, self.collection_num, self.source_document_num, self.sort_order, comment, self.text)
if (self._db_start_save() == 0):
# Duplicate Quote IDs within a Collection are not allowed.
if DBInterface.record_match_count("Quotes2", ("QuoteID", "CollectNum"), (id, self.collection_num)) > 0:
if 'unicode' in wx.PlatformInfo:
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt = unicode(_('A Quote named "%s" already exists in this Collection.\nPlease enter a different Quote ID.'), 'utf8')
else:
prompt = _('A Quote named "%s" already exists in this Collection.\nPlease enter a different Quote ID.')
raise SaveError, prompt % self.id
# Duplicate Quote ID with a Clip ID within a Collection are not allowed.
if DBInterface.record_match_count("Clips2", ("ClipID", "CollectNum"), (id, self.collection_num)) > 0:
if 'unicode' in wx.PlatformInfo:
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt = unicode(_('A Clip named "%s" already exists in this Collection.\nPlease enter a different Quote ID.'), 'utf8')
else:
prompt = _('A Clip named "%s" already exists in this Collection.\nPlease enter a different Quote ID.')
raise SaveError, prompt % self.id
# insert the new record
query = "INSERT INTO Quotes2\n("
for field in fields:
query = "%s%s," % (query, field)
query = query[:-1] + ')'
query = "%s\nVALUES\n(" % query
for value in values:
query = "%s%%s," % query
# The last data value should be the SERVER's time stamp because we don't know if the clients are synchronized.
# Even a couple minutes difference can cause problems, but with time zones, the different could be hours!
query += 'CURRENT_TIMESTAMP)'
else:
# Duplicate Quote IDs within a Collection are not allowed.
if DBInterface.record_match_count("Quotes2", ("QuoteID", "!QuoteNum", "CollectNum"),
(id, self.number, self.collection_num)) > 0:
if 'unicode' in wx.PlatformInfo:
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt = unicode(_('A Quote named "%s" already exists in this Collection.\nPlease enter a different Quote ID.'), 'utf8')
else:
prompt = _('A Quote named "%s" already exists in this Collection.\nPlease enter a different Quote ID.')
raise SaveError, prompt % self.id
# Duplicate Quote ID with Clip ID within a Collection are not allowed.
if DBInterface.record_match_count("Clips2", ("ClipID", "CollectNum"),
(id, self.collection_num)) > 0:
if 'unicode' in wx.PlatformInfo:
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt = unicode(_('A Clip named "%s" already exists in this Collection.\nPlease enter a different Quote ID.'), 'utf8')
else:
prompt = _('An Clip named "%s" already exists in this Collection.\nPlease enter a different Quote ID.')
raise SaveError, prompt % self.id
# OK to update the episode record
query = """UPDATE Quotes2
SET QuoteID = %s,
CollectNum = %s,
SourceDocumentNum = %s,
SortOrder = %s,
Comment = %s,
XMLText = %s,
LastSaveTime = CURRENT_TIMESTAMP
WHERE QuoteNum = %s
"""
values = values + (self.number,)
if DEBUG:
import Dialogs
msg = query % values
dlg = Dialogs.InfoDialog(None, msg)
dlg.ShowModal()
dlg.Destroy()
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Get a database cursor
c = DBInterface.get_db().cursor()
# If we're using Transactions ...
if use_transactions:
# ... start the transaction
c.execute('BEGIN')
# Execure the Save query
c.execute(query, values)
# If the object number is 0, we have a new object
if self.number == 0:
# ... signal that the number has been changed
numberChanged = True
# Load the auto-assigned new number record if necessary and the saved time.
query = """
SELECT QuoteNum, LastSaveTime FROM Quotes2
WHERE QuoteID = %s AND
CollectNum = %s
"""
# Assemble the arguments for the query
args = (id, self.collection_num)
# Get a temporarly database cursor
tempDBCursor = DBInterface.get_db().cursor()
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Execute the query
tempDBCursor.execute(query, args)
# Get the results from the query
recs = tempDBCursor.fetchall()
# If we have exactly one record ...
if len(recs) == 1:
# ... load the record number ...
self.number = recs[0][0]
# ... and update the LastSaveTime
self.lastsavetime = recs[0][1]
# If we don't have a single record ...
else:
# ... raise an exception
raise RecordNotFoundError, (self.id, len(recs))
# Close the temporary database cursor
tempDBCursor.close()
# If we're updating an EXISTING record ...
else:
# ... signal that the record number was not changed
numberChanged = False
# Load the NEW last saved time.
query = """
SELECT LastSaveTime FROM Quotes2
WHERE QuoteNum = %s
"""
# Assemble the arguments for the query
args = (self.number, )
# Get a temporarly database cursor
tempDBCursor = DBInterface.get_db().cursor()
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Execute the query
tempDBCursor.execute(query, args)
# Get the results from the query
recs = tempDBCursor.fetchall()
# If we have exactly one record ...
if len(recs) == 1:
# ... load the LastSaveTime
self.lastsavetime = recs[0][0]
# If we don't have a single record ...
else:
# ... raise an exception
raise RecordNotFoundError, (self.id, len(recs))
# Close the temporary database cursor
tempDBCursor.close()
# If we are dealing with an existing Episode, delete all the Keywords
# in anticipation of putting them all back later
DBInterface.delete_all_keywords_for_a_group(0, 0, 0, self.number, 0)
# Now that we know the Quote Number, we need to add the Start and End Character Position information
# to the QuotePositions Table
# First, delete old data if it exists
query = "DELETE FROM QuotePositions2 WHERE QuoteNum = %s"
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Execute the query
c.execute(query, (self.number, ))
# Now we can insert the new data
query = "INSERT INTO QuotePositions2 (QuoteNum, DocumentNum, StartChar, EndChar) "
query += "VALUES (%s, %s, %s, %s)"
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Execute the query
c.execute(query, (self.number, self.source_document_num, self.start_char, self.end_char))
# Initialize a blank error prompt
prompt = ''
# Add the Document keywords back. Iterate through the Keyword List
for kws in self._kwlist:
# Try to add the Clip Keyword record. If it is NOT added, the keyword has been changed by another user!
if not DBInterface.insert_clip_keyword(0, 0, 0, self.number, 0, kws.keywordGroup, kws.keyword, kws.example):
# if the prompt isn't blank ...
if prompt != '':
# ... add a couple of line breaks to it
prompt += u'\n\n'
# Add the current keyword to the error prompt
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt += unicode(_('Keyword "%s : %s" cannot be added to Quote "%s".\nAnother user must have edited the keyword while you were adding it.'), 'utf8') % (kws.keywordGroup, kws.keyword, self.id)
# If there is an error prompt ...
if prompt != '':
# If the Quote's Number was changed ...
if numberChanged:
# ... change it back to zero!!
self.number = 0
# Undo the database save transaction
if use_transactions:
c.execute('ROLLBACK')
# Close the Database Cursor
c.close()
# Complete the error prompt
# Encode with UTF-8 rather than TransanaGlobal.encoding because this is a prompt, not DB Data.
prompt += u'\n\n' + unicode(_('Please remove, and possibly replace, this keyword.'), 'utf8')
# ... raise a SaveError exception using the error prompt
raise SaveError, prompt
# If there's no error prompt ...
else:
# ... Commit the database transaction
if use_transactions:
c.execute('COMMIT')
# Close the Database Cursor
c.close()
# For Partial Transcript Editing, update the Paragraph Information for long transcripts
self.UpdateParagraphs()
def db_delete(self, use_transactions=1):
"""Delete this object record from the database."""
result = 1
try:
# Initialize delete operation, begin transaction if necessary
(db, c) = self._db_start_delete(use_transactions)
# Delete the QuotePosition data, if it exists
query = "DELETE FROM QuotePositions2 WHERE QuoteNum = %s"
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Execute the query
c.execute(query, (self.number, ))
notes = []
# Detect, Load, and Delete all Quote Notes.
notes = self.get_note_nums()
for note_num in notes:
note = Note.Note(note_num)
result = result and note.db_delete(0)
del note
del notes
# Delete all related references in the ClipKeywords table
if result:
DBInterface.delete_all_keywords_for_a_group(0, 0, 0, self.number, 0)
# Delete the actual record.
self._db_do_delete(use_transactions, c, result)
# Cleanup
c.close()
self.clear()
except RecordLockedError, e:
# if a sub-record is locked, we may need to unlock the Transcript record (after rolling back the Transaction)
if self.isLocked:
# c (the database cursor) only exists if the record lock was obtained!
# We must roll back the transaction before we unlock the record.
c.execute("ROLLBACK")
c.close()
self.unlock_record()
raise e
# Handle the DeleteError Exception
except DeleteError, e:
# if a sub-record is locked, we may need to unlock the Transcript record (after rolling back the Transaction)
if self.isLocked:
# c (the database cursor) only exists if the record lock was obtained!
# We must roll back the transaction before we unlock the record.
c.execute("ROLLBACK")
# Close the database cursor
c.close()
# unlock the record
self.unlock_record()
# Pass on the exception
raise e
except:
raise
return result
def clear_keywords(self):
"""Clear the keyword list."""
self._kwlist = []
def refresh_keywords(self):
"""Clear the keyword list and refresh it from the database."""
self._kwlist = []
kwpairs = DBInterface.list_of_keywords(Quote=self.number)
for data in kwpairs:
tempClipKeyword = ClipKeywordObject.ClipKeyword(data[0], data[1], quoteNum=self.number, example=data[2])
self._kwlist.append(tempClipKeyword)
def add_keyword(self, kwg, kw):
"""Add a keyword to the keyword list."""
# We need to check to see if the keyword is already in the keyword list
keywordFound = False
# Iterate through the list
for quoteKeyword in self._kwlist:
# If we find a match, set the flag and quit looking.
if (quoteKeyword.keywordGroup == kwg) and (quoteKeyword.keyword == kw):
keywordFound = True
break
# If the keyword is not found, add it. (If it's already there, we don't need to do anything!)
if not keywordFound:
# Create an appropriate ClipKeyword Object
tempClipKeyword = ClipKeywordObject.ClipKeyword(kwg, kw, quoteNum=self.number)
# Add it to the Keyword List
self._kwlist.append(tempClipKeyword)
def remove_keyword(self, kwg, kw):
"""Remove a keyword from the keyword list."""
# Let's assume the Delete will fail (or be refused by the user) until it actually happens
delResult = False
# We need to find the keyword in the keyword list
# Iterate through the keyword list
for index in range(len(self._kwlist)):
# Look for the entry to be deleted
if (self._kwlist[index].keywordGroup == kwg) and (self._kwlist[index].keyword == kw):
# If the entry is found, delete it and stop looking
del self._kwlist[index]
delResult = True
break
return delResult
def has_keyword(self, kwg, kw):
""" Determines if the Episode has a given keyword assigned """
# Assume the result will be false
res = False
# Iterate through the keyword list
for keyword in self.keyword_list:
# See if the text passed in matches the strings in the keyword objects in the keyword list
if (kwg == keyword.keywordGroup) and (kw == keyword.keyword):
# If so, signal that it HAS been found
res = True
# If found, we don't need to look any more!
break
# Return the results
return res
def lock_record(self):
""" Override the DataObject Lock Method """
# If we're using the single-user version of Transana, we just need to ...
if not TransanaConstants.singleUserVersion:
# ... confirm that the quote has not been altered by another user since it was loaded.
# To do this, first pull the LastSaveTime for this record from the database.
query = """
SELECT LastSaveTime FROM Quotes2
WHERE QuoteNum = %s
"""
# Adjust the query for sqlite if needed
query = DBInterface.FixQuery(query)
# Get a database cursor
tempDBCursor = DBInterface.get_db().cursor()
# Execute the Lock query
tempDBCursor.execute(query, (self.number, ))
# Get the query results
rows = tempDBCursor.fetchall()
# If we get exactly one row (and we should) ...
if len(rows) == 1:
# ... get the LastSaveTime
newLastSaveTime = rows[0]
# Otherwise ...
else:
# ... raise an exception
raise RecordNotFoundError, (self.id, len(rows))
# Close the database cursor
tempDBCursor.close()
# if the LastSaveTime has changed, some other user has altered the record since we loaded it.
if newLastSaveTime != self.lastsavetime:
# ... so we need to re-load it!
self.db_load_by_num(self.number)
# ... lock the Transcript Record
DataObject.DataObject.lock_record(self)
def unlock_record(self):
""" Override the DataObject Unlock Method """
# Unlock the Transcript Record
DataObject.DataObject.unlock_record(self)
def GetNodeData(self, includeQuote=True):
""" Returns the Node Data list (list of parent collections) needed for Database Tree Manipulation """
# Load the Quote's collection
tempCollection = Collection.Collection(self.collection_num)
# If we're including the Quote in the Node Data ...
if includeQuote:
# ... get the Collection's node data and tack the Quote's ID on the end.
return tempCollection.GetNodeData() + (self.id,)
# If we're NOT including the Quote in the Node data ...
else:
# ... just return the Collection's Node Data.
return tempCollection.GetNodeData()
def GetNodeString(self, includeQuote=True):
""" Returns a string that delineates the full nested collection structure for the present quote.
if includeQuote=False, only the Collection path will be returned. """
# Load the Quote's Collection
tempCollection = Collection.Collection(self.collection_num)
# If we're including the Quote in the Node String ...
if includeQuote:
# ... get the Collection's node string and tack the Quote's ID on the end.
return tempCollection.GetNodeString() + ' > ' + self.id
# If we're NOT including the Quote in the Node String ...
else:
# ... just return the Collection's Node String.
return tempCollection.GetNodeString()
# Private methods
# Implementation for Collection Number Property
def _get_collection_num(self):
return self._collection_num
def _set_collection_num(self, num):
self._collection_num = num
def _del_collection_num(self):
self._collection_num = 0
# Implementation for Source Document Number Property
def _get_source_document_num(self):
return self._source_document_num
def _set_source_document_num(self, num):
self._source_document_num = num
def _del_source_document_num(self):
self._source_document_num = 0
# Implementation for Text Property
def _get_text(self):
return self._text
def _set_text(self, txt):
self._text = txt
def _del_text(self):
self._text = ''
# Implementation for Start Character Property
def _get_start_char(self):
return self._start_char
def _set_start_char(self, num):
self._start_char = num
def _del_start_char(self):
self._start_char = -1
# Implementation for End Character Property
def _get_end_char(self):
return self._end_char
def _set_end_char(self, num):
self._end_char = num
def _del_end_char(self):
self._end_char = -1
# Implementation for Has_Changed Property
def _get_changed(self):
return self._has_changed
def _set_changed(self, changed):
self._has_changed = changed
def _del_changed(self):
self._has_changed = False
# Implementation for LastSaveTime Property
def _get_lastsavetime(self):
return self._lastsavetime
def _set_lastsavetime(self, lst):
self._lastsavetime = lst
def _del_lastsavetime(self):
self._lastsavetime = None
def _get_kwlist(self):
return self._kwlist
def _set_kwlist(self, kwlist):
self._kwlist = kwlist
def _del_kwlist(self):
self._kwlist = []
# Public properties
collection_num = property(_get_collection_num, _set_collection_num, _del_collection_num,
"""The Collection number, if associated with one.""")
source_document_num = property(_get_source_document_num, _set_source_document_num, _del_source_document_num,
"""The Source Document number, if associated with one.""")
text = property(_get_text, _set_text, _del_text,
"""Text of the transcript, stored in the database as a BLOB.""")
start_char = property(_get_start_char, _set_start_char, _del_start_char,
"""Value of the Quote's starting character in the Source Document.""")
end_char = property(_get_end_char, _set_end_char, _del_end_char,
"""Value of the Quote's ending character in the Source Document.""")
locked_by_me = property(None, None, None,
"""Determines if this instance owns the Quote lock.""")
has_changed = property(_get_changed, _set_changed, _del_changed,
"""Indicates whether the Document has been modified.""")
lastsavetime = property(_get_lastsavetime, _set_lastsavetime, _del_lastsavetime,
"""The timestamp of the last save (MU only).""")
keyword_list = property(_get_kwlist, _set_kwlist, _del_kwlist,
"""The list of keywords that have been applied to the Document.""")
def _load_row(self, row):
self.number = row['QuoteNum']
self.id = row['QuoteID']
self.collection_num = row['CollectNum']
self.collection_id = row['CollectID']
self.source_document_num = row['SourceDocumentNum']
self.start_char = row['StartChar']
self.end_char = row['EndChar']
self.sort_order = row['SortOrder']
self.comment = row['Comment']
# If we're NOT skipping the XML Text ...
if not self.skipText:
# Can I get away with assuming Unicode?
# Here's the plan:
# test for rtf in here, if you find rtf, process normally
# if you don't find it, pass data off to some weirdo method in TranscriptEditor.py
# 1 - Determine encoding, adjust if needed
# 2 - enact the plan above
# determine encoding, fix if needed
if type(row['XMLText']).__name__ == 'array':
if DEBUG:
print "Document._load_row(): 2", row['XMLText'].typecode
if row['XMLText'].typecode == 'u':
self.text = row['XMLText'].tounicode()
else:
self.text = row['XMLText'].tostring()
else:
self.text = row['XMLText']
if 'unicode' in wx.PlatformInfo:
if type(self.text).__name__ == 'str':
temp = self.text[2:5]
# check to see if we're working with RTF
try:
if temp.encode('utf8') == u'rtf':
# convert the data to unicode just to be safe.
self.text = unicode(self.text, 'utf-8')
except UnicodeDecodeError:
# This would sometimes get called while I was using cPickle instead of Pickle.
# You could probably remove the exception handling stuff and be okay, but it's
# not hurting anything like it is.
# self.dlg.editor.load_transcript(transcriptObj, 'pickle')
# NOPE. There is no self.dlg.editor here!
pass
# self.text gets set to be our data
# then load_transcript is called, from transcriptionui.LoadTranscript()
# If we ARE skipping the text ...
else:
# set the text to None
self.text = None
self.lastsavetime = row['LastSaveTime']
self.changed = False
# If we're in Unicode mode, we need to encode the data from the database appropriately.
# (unicode(var, TransanaGlobal.encoding) doesn't work, as the strings are already unicode, yet aren't decoded.)
if 'unicode' in wx.PlatformInfo:
self.id = DBInterface.ProcessDBDataForUTF8Encoding(self.id)
self.collection_id = DBInterface.ProcessDBDataForUTF8Encoding(self.collection_id)
self.comment = DBInterface.ProcessDBDataForUTF8Encoding(self.comment)