help translation

Author: qwertygc

docs/doc/fr/Translation.md

@@ -19,3 +19,176 @@ Glossaire concernant la traduction, afin d’avoir une cohérence dans la traduc
 - Green blind : Deutéranopie
 - Pie charts : Diagrammes circulaires
 - Bar charts :  Graphique à barres
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+---------------
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+Notes for creating language files
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+=================================
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+List_of_ISO_639-1_codes
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+2 letter codes for different languages
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+For Qt translations files: .ts to .qm
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+=====================================
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+Installs:
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+sudo apt install python-setuptools
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+sudo apt install qttools5-dev-tools  # for project.pro to convert multiple files at once
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+sudo apt install qtcreator
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+sudo apt -y install linguist-qt6
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+sudo apt install pyqt6-dev-tools
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+In directory qualcoder/GUI 
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+Need a .pro file  in the qualcoder/GUI directory
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+run:
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+pylupdate5 project.pro -noobsolete
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+Note pylupdate6 does not work well, it replaces with blank entries, instead of drawing from existing ts files.
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+This helper file for this: rebuild_lang.py will updat all the placeholders fo rthe languages in both po and ts files. Run from the Qualcder-master efolder.
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+ts files are released as app_name.qm 
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+Release is placed in qualcoder/locale/name/name.qm
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+#####################################
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+Strings in python code need to be translated.
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+https://docs.python.org/3/library/gettext.html#internationalizing-your-programs-and-modules
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+Code in the main module:
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+install gettext
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+At the start:
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+lang = gettext.translation('qualcoder', localedir='/GUI/', languages=['fr'])
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+lang.install()
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+# Install poedit
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+sudo apt install poedit
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+In terminal, run these scripts from the qualcoder folder to prepare the po files:
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+Note this is replaced with the above helper file.
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+-d is default output name    e.g. fr
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+-j option to join existing file
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+# note dont use -j lang.po on first creating a po file
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+For individual update to po files see below example for Deutsch:
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+xgettext -d de -j de.po __main__.py add_attribute.py add_item_name.py ai_chat.py ai_llm.py ai_prompts.py ai_search_dialog.py ai_vectorstore.py attributes.py case_file_manager.py cases.py code_color_scheme.py code_text.py code_in_all_files.py code_organiser.py code_pdf.py codebook.py color_selector.py confirm_delete.py edit_textfile.py helpers.py import_survey.py import_twitter_data.py information.py journals.py manage_files.py manage_links.py manage_references.py memo.py merge_projects.py move_resize_rectangle.py pseudonyms.py refi.py report_attributes.py report_codes.py report_code_summary.py report_codes_by_segments.py report_compare_coder_file.py report_cooccurrence.py report_exact_matches.py report_file_summary.py report_relations.py reports.py report_sql.py rqda.py save_sql_query.py select_items.py settings.py special_functions.py text_mining.py view_av.py view_charts.py view_graph.py view_image.py 
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+After translating, save will produce a name.po and a name.mo file
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+The .mo file is placed in qualcoder/locale/name/LC_MESSAGES/name.mo