search: Use the python xlrd module to read .xls files.

xls2csv is broken.

debian/control

@@ -98,6 +98,7 @@ Depends:
  odt2txt,
  catdoc,
  untex,
+ python3-xlrd,
  ${misc:Depends},
  ${shlibs:Depends},
 Recommends:

search-helpers/meson.build

@@ -20,9 +20,16 @@ ppt_to_txt = executable('nemo-ppt-to-txt',
   install: true
 )
 
+install_data(
+    'nemo-xls-to-txt',
+    install_dir: join_paths(get_option('prefix'), get_option('bindir')),
+    install_mode: 'rwxr-xr-x'
+)
+
 install_data(
     'mso.nemo_search_helper',
     'mso-ppt.nemo_search_helper',
+    'mso-xls.nemo_search_helper',
     install_dir: join_paths(nemoDataPath, 'search-helpers')
 )
 

search-helpers/third-party/mso-xls.nemo_search_helper → search-helpers/mso-xls.nemo_search_helper

@@ -1,5 +1,5 @@
 [Nemo Search Helper]
-TryExec=xls2csv;
-Exec=xls2csv %s
+TryExec=nemo-xls-to-txt;
+Exec=nemo-xls-to-txt %s
 MimeType=application/vnd.ms-excel;
 Priority=100

search-helpers/nemo-xls-to-txt

@@ -0,0 +1,31 @@
+#!/usr/bin/python3
+import sys
+import xlrd
+import locale
+
+path = sys.argv[1]
+
+try:
+    book = xlrd.open_workbook(path)
+except Exception as e:
+    print("Can't read '%s': %s" % (path, e))
+    exit(1)
+
+date_format = locale.nl_langinfo(locale.D_FMT)
+
+for sheet in book.sheets():
+    for row in sheet.get_rows():
+        had_content = False
+        for cell in row:
+            if cell.ctype == xlrd.XL_CELL_TEXT:
+                print(cell.value, end=" ")
+                had_content = True
+            elif cell.ctype == xlrd.XL_CELL_DATE:
+                dt = xlrd.xldate_as_datetime(cell.value, 0)
+                print(dt.strftime(date_format), end=" ")
+                had_content = True
+
+        if had_content:
+            # end of row newline (but only if the row wasn't blank)
+            print("")
+exit(0)

search-helpers/third-party/meson.build

@@ -4,7 +4,6 @@ helpers = [
   'id3.nemo_search_helper',
   'libreoffice.nemo_search_helper',
   'mso-doc.nemo_search_helper',
-  'mso-xls.nemo_search_helper',
   'pdf2txt.nemo_search_helper',
   'pdftotext.nemo_search_helper',
   'ps2ascii.nemo_search_helper'