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templates.py
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# This file is part of Invenio.
# Copyright (C) 2009, 2010, 2011 CERN.
#
# Invenio is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# Invenio 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 Invenio; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
from __future__ import print_function
# pylint: disable=C0103
"""Invenio BibMerge Templates."""
__revision__ = "$Id$"
import string
from invenio.legacy.bibrecord import *
from invenio.legacy.bibmerge.differ import *
class Template:
"""BibMerge Templates Class."""
def controlpanel(self, recid=None):
""" Create the control panel."""
if recid == None:
recid = ''
panel = """
<div id="bibMergePanel">
<div id="bibMergeMessage">
</div>
<div class="bibMergeMenuSection" id="bibMergeMenuSectionSelectRecords">
<div class="bibMergeMenuSectionHeader">
<img class="bibMergeImgCompressMenuSelection" src="/img/bullet_toggle_minus.png" />
Select records
</div>
<table>
<col width="62px"></col>
<col width="110px"></col>
<tr>
<td>Record1:</td>
<td> <input type="text" class="bibMergeRecNumInput" id="bibMergeRecInput1"></input> </td>
</tr>
<tr>
<td>Record2:</td>
<td> <input type="text" class="bibMergeRecNumInput" id="bibMergeRecInput2"></input> </td>
</tr>
<tr>
<td style="text-align:center;"> <button type="button" id="bibMergeCompare">Compare</button> </td>
</tr>
</table>
</div>
<div class="bibMergeMenuSection" id="bibMergeMenuSectionCandidates">
<div class="bibMergeMenuSectionHeader">
<img class="bibMergeImgCompressMenuSelection" src="/img/bullet_toggle_minus.png" />
Candidates
</div>
<table>
<col width="32px"></col>
<col width="70px"></col>
<col width="30px"></col>
<col width="40px"></col>
<tr>
<td colspan="4"> <a id="bibMergeSelectSearch" href="#">Search</a> / <a id="bibMergeSelectDedupe" href="#">Dedupe</a> / <a id="bibMergeSelectRevisions" href="#">Revisions</a> </td>
</tr>
<tr id="bibMergeSearchRow">
<td colspan="3"> <input type="text" id="bibMergeSearchInput"></input> </td>
<td> <a href="#" class="bibMergeImgClickable" id="bibMergeBtnSearch" title="search candidate records">
<img src="/img/search.png" /> </a>
</td>
</tr>
<tr id="bibMergeSelectListRow">
<td colspan="4">
<select id="bibMergeSelectList" size="4">
</select></td>
</tr>
<tr>
<td style="text-align:center;"> <button type="button" id="bibMergeGetPrev">&lt</button> </td>
<td id="bibMergeResultIndex" style="text-align:center;">-/-</td>
<td style="text-align:center;"> <button type="button" id="bibMergeGetNext">&gt</button> </td>
<td> </td>
</tr>
</table>
</div>
<div class="bibMergeMenuSection" id="bibMergeMenuSectionActions">
<div class="bibMergeMenuSectionHeader">
<img class="bibMergeImgCompressMenuSelection" src="/img/bullet_toggle_minus.png" />
Actions
</div>
<table>
<col width="20px"></col>
<col width="152px"></col>
<tr>
<td> <a id="bibMergeRecCopy" class="bibMergeImgClickable" href="#" title="Copy R2 to R1"><img src="/img/move.png" /></a> </td>
<td>Copy record</td>
</tr>
<tr>
<td> <a id="bibMergeRecMerge" class="bibMergeImgClickable" href="#" title="Merge R1 with R2"><img src="/img/merge.png" /></a>
</td>
<td>Merge</td>
</tr>
<tr>
<td> <a id="bibMergeRecMergeNC" class="bibMergeImgClickable" href="#" title="Merge R1 with R2 but only non-conflicting fields"><img src="/img/mergeNC.png" /></a> </td>
<td>Merge non-conflicting</td>
</tr>
<tr>
<td colspan="2"> <a id="bibMergeLinkToBibEdit1" href="#" title="Record editor for master record">Edit master record</a> </td>
</tr>
<tr>
<td colspan="2"> <a id="bibMergeLinkToBibEdit2" href="#" title="Record editor for slave record">Edit slave record</a> </td>
</tr>
</table>
</div>
<div class="bibMergeMenuSection" id="bibMergeMenuSectionSubmission">
<div class="bibMergeMenuSectionHeader">
<img class="bibMergeImgCompressMenuSelection" src="/img/bullet_toggle_minus.png" />
Submission
</div>
<table>
<col width="72px"></col>
<col width="10px"></col>
<col width="90px"></col>
<tr>
<td> <button type="button" id="bibMergeBtnCancel">Cancel</button> </td>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="3"><br /></td>
</tr>
<tr>
<td> <button type="button" id="bibMergeBtnSubmit">Submit</button> </td>
<td> <input type="checkbox" id="bibMergeDupeCheckbox"></input> </td>
<td>delete slave record as duplicate</td>
</tr>
</table>
</div>
</div>"""
return panel
def BM_html_all_diff(self, rec1, rec2):
return BM_html_field_group_div_all(rec1, rec2)
def BM_html_field_group(self, rec1, rec2, fieldtag, show_diffs=False):
""" Given two records and a fieldtag(which may or may not include
indicators), returns the html output for the whole field(eg.700) group"""
ftag = fieldtag[:3]
if ftag not in rec1 and ftag not in rec2: #if empty field group
return ""
fdiff = record_field_diff_generic(rec1, rec2, ftag, match_subfields)
result = ""
if fdiff == None: #fields of this field tag are the same
indicators = get_indicators(rec1[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], rec1, rec2, show_diffs, None)
else:
if fdiff[0] == 'a': #missing field in rec1
indicators = get_indicators(rec2[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], None, rec2, show_diffs, [])
elif fdiff[0] == 'r': #missing field in rec2
indicators = get_indicators(rec1[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], rec1, None, show_diffs, [])
else: #diff[0]=='c' #tag exists in both records but with differences
for diff in fdiff[1]:
result += BM_html_field_group_div(ftag, diff[0][0], diff[0][1], rec1, rec2, show_diffs, diff[1])
return result
def BM_html_subfield_row_diffed(self, rec1, rec2, fieldtag, findex1, findex2, sfindex1, sfindex2):
sftag = rec1[fieldtag][findex1][0][sfindex1][0]
value1 = rec1[fieldtag][findex1][0][sfindex1][1]
value2 = rec2[fieldtag][findex2][0][sfindex2][1]
if value1 == value2:
score = 1.0
else:
score = 0.0
return BM_html_subfield(fieldtag, sftag, value1, value2, score, findex1, sfindex1, findex2, sfindex2, True)
####### Main content html #####################################################
def BM_html_field_group_div_all(rec1, rec2, show_diffs=False):
"""Produce html code for all the fields. (a <div> for every field group)"""
diff_results = record_diff(rec1, rec2, match_subfields)
fieldtags = diff_results.keys()
fieldtags.sort()
result = ""
for ftag in fieldtags:
ftag = ftag.encode('utf8')
if ftag[0:2] == "00": #starts with '00', is controlfield
result += BM_html_controlfield(ftag, rec1, rec2)
else:
fdiff = diff_results[ftag]
if fdiff == None: #fields of this field tag are the same
indicators = get_indicators(rec1[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], rec1, rec2, show_diffs, None)
else:
if fdiff[0] == 'a': #missing field in rec1
indicators = get_indicators(rec2[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], None, rec2, show_diffs, [])
elif fdiff[0] == 'r': #missing field in rec2
indicators = get_indicators(rec1[ftag])
for ind_pair in indicators:
result += BM_html_field_group_div(ftag, ind_pair[0], ind_pair[1], rec1, None, show_diffs, [])
else: #diff[0]=='c' #tag exists in both records but with differences
for diff in fdiff[1]:
result += BM_html_field_group_div(ftag, diff[0][0], diff[0][1], rec1, rec2, show_diffs, diff[1])
return result
def BM_html_controlfield(tagnum, rec1, rec2):
"""Produce html code for a control field. A group field <div> is returned"""
result = """
<div id="bibMergeFGroup-%s" class="bibMergeFieldGroupDiv">
<div class="bibMergeFieldGroupHeaderDiv">
<a href="#" class="bibMergeHeaderFieldnum">%s</a>
</div>
<table class="bibMergeFieldTable">
<col span="1" class="bibMergeColSubfieldTag"/>
<col span="1" class="bibMergeColContent bibMergeColContentLeft"/>
<col span="1" class="bibMergeColActions"/>
<col span="1" class="bibMergeColContent bibMergeColContentRight"/>
<tbody>""" % (tagnum, tagnum)
value1 = value2 = ""
if record_has_field(rec1, tagnum):
value1 = rec1[tagnum][0][3]
if record_has_field(rec2, tagnum):
value2 = rec2[tagnum][0][3]
result += """
<tr>
<td></td>
<td><div>%s</div></td>
<td></td>
<td><div>%s</div></td>
</tr>""" % (value1, value2)
result += """
</tbody>
</table>
</div>"""
return result
def BM_html_field_group_div(tagnum, ind1, ind2, rec1, rec2, show_diffs, fdiff_list=None):
"""The html code for a group of fields. A <div> that contains a table is
returned."""
# add indicators next to field tag
ftag = "%s%s%s" % (tagnum, ind1, ind2)
ftag = string.replace(ftag, " ", "_")
result = """
<div id="bibMergeFGroup-%s" class="bibMergeFieldGroupDiv">
<div class="bibMergeFieldGroupHeaderDiv">
<a href="#" class="bibMergeHeaderFieldnum">%s</a> <a class="bibMergeFieldGroupRefresh" href="#" title="refresh fields"><img src="/img/refresh.png" /></a> <a class="bibMergeFieldGroupMerge" href="#" title="merge fields"><img src="/img/merge.png" /></a> <a class="bibMergeFieldGroupMergeNC" href="#" title="merge non-conflicting fields"><img src="/img/mergeNC.png" /></a>
</div>
<table class="bibMergeFieldTable">
<col span="1" class="bibMergeColSubfieldTag"/>
<col span="1" class="bibMergeColContent bibMergeColContentLeft"/>
<col span="1" class="bibMergeColActions"/>
<col span="1" class="bibMergeColContent bibMergeColContentRight"/>
<col span="1" class="bibMergeColDiff"/>
<tbody>""" % (ftag, ftag)
# if fields are the same in both records
if fdiff_list==None:
flist = rec1[tagnum] #only one field list is needed since they are the same
indexes = get_indexes_of_fields(rec1, tagnum, ind1, ind2)
for index in indexes:
result += BM_html_field_header(ftag, flist, index, flist, index, show_diffs)
# if the field is missing from one of the records
elif rec1==None:
flist = rec2[tagnum]
indexes = get_indexes_of_fields(rec2, tagnum, ind1, ind2)
for index in indexes:
result += BM_html_field_header(ftag, None, None, flist, index, show_diffs)
elif rec2==None:
flist = rec1[tagnum]
indexes = get_indexes_of_fields(rec1, tagnum, ind1, ind2)
for index in indexes:
result += BM_html_field_header(ftag, flist, index, None, None, show_diffs)
# if there are differences between the fields of the records
else:
flist1 = rec1[tagnum]
flist2 = rec2[tagnum]
for fdiff in fdiff_list:
result += BM_html_field_header(ftag, flist1, fdiff[0], flist2, fdiff[1], show_diffs, fdiff[2])
result += """
</tbody>
</table>
</div>"""
return result
def BM_html_field_header(ftag, flist1, findex1, flist2, findex2, show_diffs, sfdiff_list=None):
"""A table row that marks the beginning of a field is returned."""
result ="""
<tr>
<td></td>
<td %(id1)s class="bibMergeColHeaderLeft">
<span style="float:left;">%(tagname)s</span>
<a class="bibMergeFieldMerge" href="#" title="merge subfields"> <img src="/img/merge-small.png" /> </a>
<a class="bibMergeFieldDelete" href="#" title="delete field"> <img src="/img/delete-big.png" /> </a> </td>
<td></td>
<td %(id2)s class="bibMergeColHeaderRight">
<a class="bibMergeFieldAdd" href="#" title="add field"> <img src="/img/add.png" /> </a>
<a class="bibMergeFieldReplace" href="#" title="replace field"> <img src="/img/replace.png" /> </a>
<span style="float:right;">%(tagname)s</span> </td>
<td></td>
</tr>
""" % {"tagname": ftag, 'id1': BM_field_id(1, ftag, findex1), 'id2': BM_field_id(2, ftag, findex2)}
if findex1==None:
sflist2 = flist2[findex2][0]
sfindex = 0
for sf in sflist2:
sftag, sfvalue = sf
result += BM_html_subfield(ftag, sftag, None, sfvalue, 0.0, None, None, findex2, sfindex, show_diffs)
sfindex += 1
elif findex2==None:
sflist1 = flist1[findex1][0]
sfindex = 0
for sf in sflist1:
sftag, sfvalue = sf
result += BM_html_subfield(ftag, sftag, sfvalue, None, 0.0, findex1, sfindex, None, None, show_diffs)
sfindex += 1
else:
sflist1 = flist1[findex1][0]
sflist2 = flist2[findex2][0]
if sfdiff_list != None: #fields are different
for diff in sfdiff_list:
sfindex1, sfindex2, score = diff
sftag = sfvalue1 = sfvalue2 = ""
if sfindex1!=None:
sftag = sflist1[sfindex1][0]
sfvalue1 = sflist1[sfindex1][1]
if sfindex2!=None:
sftag = sflist2[sfindex2][0]
sfvalue2 = sflist2[sfindex2][1]
result += BM_html_subfield(ftag, sftag, sfvalue1, sfvalue2, score, findex1, sfindex1, findex2, sfindex2, show_diffs)
else: #fields are the same
for i, sf in enumerate(sflist1):
result += BM_html_subfield(ftag, sf[0], sf[1], sf[1], 1.0, findex1, i, findex2, i, show_diffs)
return result
def BM_html_subfield(ftag, sftag, value1, value2, score, findex1, sfindex1, findex2, sfindex2, show_diffs=False):
"""A table row that shows a subfield diffing pair is returned."""
if value1==None:
similarity_class = "bibMergeCellSimilarityRed"
value1=""
#id1 = 'class="bibMergeEmptySubfield"'
id1 = BM_subfield_id(1, ftag, findex1, sftag, sfindex1)
id2 = BM_subfield_id(2, ftag, findex2, sftag, sfindex2)
elif value2==None:
similarity_class = "bibMergeCellSimilarityRed"
value2=""
id1 = BM_subfield_id(1, ftag, findex1, sftag, sfindex1)
id2 = BM_subfield_id(2, ftag, findex2, sftag, sfindex2)
#id2 = 'class="bibMergeEmptySubfield"'
else:
if show_diffs==True:
value1, value2 = BM_html_add_diff_spans(value1, value2)
if score < 1.0:
similarity_class = "bibMergeCellSimilarityRed"
else:
similarity_class = "bibMergeCellSimilarityGreen"
id1 = BM_subfield_id(1, ftag, findex1, sftag, sfindex1)
id2 = BM_subfield_id(2, ftag, findex2, sftag, sfindex2)
return """
<tr>
<td class="%s">$%s</td>
<td><div>%s</div></td>
<td><a class="bibMergeSubfieldDelete" href="#" title="delete subfield"> <img src="/img/delete-small.png" /> </a><a class="bibMergeSubfieldReplace" href="#" title="move subfield"> <img src="/img/move.png" /> </a><a class="bibMergeSubfieldAdd" href="#" title="add subfield"> <img src="/img/add-small.png" /> </a></td>
<td><div>%s</div></td>
<td><a class="bibMergeFieldGroupDiff" href="#" title="show differences"><img src="/img/diff.png" /></a></td>
</tr>""" % (similarity_class, sftag, value1, value2)
def BM_field_id(record_position, ftag, findex): #record_position = 1 | 2
"""The id attribute of a subfield is produced."""
return 'id="R%s-%s-%s"' % (record_position, ftag, findex)
def BM_subfield_id(record_position, ftag, findex, sftag, sfindex): #record_position = 1 | 2
"""The id attribute of a subfield is produced."""
return 'id="R%s-%s-%s-%s-%s"' % (record_position, ftag, findex, sftag, sfindex)
def BM_html_add_diff_spans(value1, value2):
"""Adds the same values that it is passed, but with added <span> elements
according to their differences."""
value1 = value1.decode('utf8')
value2 = value2.decode('utf8')
newvalue1 = u""
newvalue2 = u""
index1 = 0
index2 = 0
idtag = 0
for diff in Levenshtein_diffs(value1, value2):
print(diff)
chars = diff[1]
if diff[0]=='n':
newvalue1 += u"""<span class="bibMergeDiffSpanSame" id="diff%s">%s</span>""" % (idtag, value1[index1: index1+chars])
newvalue2 += u"""<span class="bibMergeDiffSpanSame" id="diff%s">%s</span>""" % (idtag, value2[index2: index2+chars])
index1 += chars
index2 += chars
elif diff[0]=='i':
newvalue1 += u"""<span class="bibMergeDiffSpanIns" id="diff%s">%s</span>""" % (idtag, value1[index1: index1+chars])
index1 += chars
elif diff[0]=='d':
newvalue2 += u"""<span class="bibMergeDiffSpanDel" id="diff%s">%s</span>""" % (idtag, value2[index2: index2+chars])
index2 += chars
else: #diff[0]=='s'
newvalue1 += u"""<span class="bibMergeDiffSpanSub" id="diff%s">%s</span>""" % (idtag, value1[index1: index1+chars])
newvalue2 += u"""<span class="bibMergeDiffSpanSub" id="diff%s">%s</span>""" % (idtag, value2[index2: index2+chars])
index1 += chars
index2 += chars
idtag += 1
return newvalue1.encode('utf8'), newvalue2.encode('utf8')
def get_indexes_of_fields(rec, tag, ind1, ind2):
indexes = []
if record_has_field(rec, tag):
for index, field in enumerate(rec[tag]):
if field[1]==ind1 and field[2]==ind2:
indexes.append(index)
return indexes
def get_fields_and_indicators(rec):
result = {}
for tag, flist in rec.items():
result[tag] = get_indicators(flist)
return result
def get_indicators(flist):
indicators = []
for field in flist:
ind = "%s%s" % field[1:3] #a string of the two indicator characters
append_unique(indicators, ind)
return indicators
def append_unique(listobj, item):
if item not in listobj:
listobj.append(item)
def extend_set(list1, list2):
for item in list2:
if item not in list1:
list1.append(item)
def all_fields_and_indicators(rec1, rec2):
"""The keys of the dictionary returned are field tags and the values are
lists of the existing indicator pairs of rec1 and rec2 for the respective
field tag."""
tag_ind1 = get_fields_and_indicators(rec1)
tag_ind2 = get_fields_and_indicators(rec2)
for tag, ind_list in tag_ind1.items():
if tag in tag_ind2:
extend_set(ind_list, tag_ind2[tag])
ind_list.sort()
del tag_ind2[tag]
for tag, ind_list in tag_ind2.items():
ind_list.sort()
tag_ind1[tag] = ind_list
return tag_ind1

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