Swedish translation tweaks & readme updates (#567)

* Add flask_babel 2.0.0 to requirements

* Partial i18n

* Use current locale for protobuf requests

* Don't store generated messages.pot in git

* Internationalize all python code

* Formatting fixes

* Partial internationalization of html

* Iterate on html i18n

* Completed i18n of code

* Improve i18n of strings

* Blurb about i18n in the readme

* Improve i18n strings

* Add the compiled messages.mo files to .gitignore

* Add complete Swedish localization

* Generate localizations in start.sh

* Only compile messages.mo in start.sh; better sequence

* Fix bug

* Flesh out readme

* Flesh out readme

* Tweak Swedish translations

src/web/README.md

@@ -51,6 +51,13 @@ $ git push pi master
 
 We use the Flask-Babel library and Flask/Jinja2 extension for i18n.
 
+It uses the 'pybabel' command line tool for extracting and compiling localizations.
+Activate the Python venv in src/web/ to use it:
+
+$ cd src/web/
+$ source venv/bin/activate
+$ pybabel --help
+
 To create a new localization, it needs to be added to accept_languages in
 the get_locale() method, and also to localizer.cpp in the RaSCSI C++ code.
 
@@ -58,3 +65,13 @@ Once this is done, follow the steps in the [Flask-Babel documentation](https://f
 to generate the messages.po for the new language.
 
 Updating an existing messages.po is also covered above.
+
+When you are ready to contribute new or updated localizations, use the same Gitflow Workflow as used for any code contributions to submit PRs against the develop branch.
+
+### (Optional) See translation stats for a localization
+Install the gettext package and use msgfmt to see the translation progress.
+
+$ sudo apt install gettext
+$ cd src/web/
+$ msgfmt --statistics translations/sv/LC_MESSAGES/messages.po
+215 translated messages.

src/web/translations/sv/LC_MESSAGES/messages.po

@@ -690,7 +690,7 @@ msgid ""
 "If RaSCSI was unable to detect the device type associated with the image,"
 " you can choose the type from the dropdown."
 msgstr ""
-"Om RaSCSI inte kunde detektera enhetstypen för en skivbild, kan du välja "
+"Om RaSCSI inte känner igen enhetstypen för en skivbild kan du välja "
 "en enhetstyp från rullgardinsmenyn."
 
 #: templates/index.html:159
@@ -699,7 +699,7 @@ msgid ""
 "Magneto-Optical | SCCD = CD-ROM | SCBR = Host Bridge | SCDP = DaynaPORT"
 msgstr ""
 "Typer: SAHD = SASI-hårddisk | SCHD = SCSI-hårddisk | SCRM = utmatsbar | "
-"SCMO = magnet optisk | SCCD = cd-rom | SCBR = Host Bridge | SCDP = "
+"SCMO = magnet-optisk | SCCD = cd-rom | SCBR = Host Bridge | SCDP = "
 "DaynaPORT"
 
 #: templates/index.html:167
@@ -831,8 +831,8 @@ msgid ""
 "CD-ROM images to '.iso', and removable drive images to '.hdr' before "
 "uploading."
 msgstr ""
-"Om en fil inte känns igen, du kan försöka döpa om hårddiskbildfiler till "
-"'.hds', cd-bildfiler till '.iso', och uttagbara bildfiler till '.hdr' "
+"Om RaSCSI inte känner igen in filtyp kan du försöka döpa om hårddiskbildfiler till "
+"'.hds', cd-bildfiler till '.iso', och utmatbara bildfiler till '.hdr' "
 "innan du laddar upp den."
 
 #: templates/index.html:356
@@ -842,7 +842,7 @@ msgstr "Kända filtyper: %(valid_file_suffix)s"
 
 #: templates/index.html:383
 msgid "Download File to Images"
-msgstr "Ladda ner fil till Images"
+msgstr "Ladda ner fil till skivbildsfilskatalogen"
 
 #: templates/index.html:386
 #, python-format
@@ -863,7 +863,7 @@ msgstr "Ladda ner"
 
 #: templates/index.html:396
 msgid "Downloading File to Images..."
-msgstr "Laddar ner filen till Images..."
+msgstr "Laddar ner filen till skivbildsfilskatalogen..."
 
 #: templates/index.html:406
 msgid "Download File to AppleShare"