/usr/share/locale/fa/LC_MESSAGES/digikam.mo:

I downloaded the .po file using:

svn cat svn://anonsvn.kde.org/home/kde/trunk/l10n-kf5/fa/messages/extragear-graphics/digikam.po > fa_digikam.po

It contains many comments in headers. Extract:

(...)
# MaryamSadat Razavi <razavi@itland.ir>, 2007.
# Nasim Daniarzadeh <daniarzadeh@itland.ir>, 2007.
# Nazanin Kazemi <kazemi@itland.ir>, 2007.
# Mohammad Reza Mirdamadi <mohi@ubuntu.ir>, 2011, 2012.
msgid ""
msgstr ""
"Project-Id-Version: digikam\n"
"Report-Msgid-Bugs-To: http://bugs.kde.org\n"
"POT-Creation-Date: 2019-03-08 03:08+0100\n"
"PO-Revision-Date: 2012-01-13 15:00+0330\n"
"Last-Translator: Mohammad Reza Mirdamadi <mohi@ubuntu.ir>\n"
"Language-Team: Farsi (Persian) <>\n"
"Language: fa\n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"
"#-#-#-#-#  digikamimageplugin_channelmixer.po "
"(digikamimageplugin_channelmixer)  #-#-#-#-#\n"
"X-Generator: Lokalize 1.2\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_refocus.po (digikamimageplugin_refocus)  #-#-#-"
"#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_oilpaint.po (digikamimageplugin_oilpaint)  #-#-"
"#-#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_perspective.po "
"(digikamimageplugin_perspective)  #-#-#-#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_freerotation.po "
"(digikamimageplugin_freerotation)  #-#-#-#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugins.po (digikamimageplugins)  #-#-#-#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_raindrop.po (digikamimageplugin_raindrop)  #-#-"
"#-#-#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_blowup.po (digikamimageplugin_blowup)  #-#-#-#-"
"#\n"
"X-Generator: KBabel 1.11.4\n"
"Plural-Forms: nplurals=1; plural=0;\n"
"#-#-#-#-#  digikamimageplugin_charcoal.po (digikamimageplugin_charcoal)  #-#-"
"#-#-#\n"
(...)