As pdfminer does not have a Debian package in Ubuntu Bionic, it cannot
be declared as a strong requirement.
With this commit, a warning is logged if the library is not installed.
It does not prevent to index other types of documents.
closesodoo/odoo#44327
Signed-off-by: Christophe Monniez (moc) <moc@odoo.com>
PyPDF performs badly on many types of PDF documents.
We add a text extraction with pdfminer, which is designed for this task.
Because pdf content extraction was so flaky, it was completely
deactivated by 1b753b0d53. We revert that :-)
closesodoo/odoo#38508
Task: 2152494
Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>
Christophe Monniez