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pinyin-to-ipa
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import gradio as gr
from pinyin_to_ipa import pinyin_to_ipa

# ri has 4 conversions


def run() -> None:
  interface = build_interface()
  interface.queue()
  interface.launch(
    share=False,
    debug=True,
    inbrowser=True,
    quiet=False,
    show_api=False,
  )


def build_interface() -> gr.Blocks:
  with gr.Blocks(
      title="pinyin-to-ipa"
  ) as web_app:
    gr.Markdown(
      """
      # Pinyin to IPA conversion
      """
    )

    with gr.Tab("Conversion"):
      with gr.Row():
        with gr.Column():
          with gr.Group():
            input_txt_box = gr.Textbox(
              None,
              label="Pinyin syllable",
              placeholder="Enter the pinyin syllable you want to convert to IPA.",
              lines=1,
              max_lines=1,
            )

          convert_btn = gr.Button("Convert", variant="primary")

        with gr.Column():
          with gr.Group():
            with gr.Row():
              with gr.Column():
                output_txt_box = gr.Textbox(
                  show_label=True,
                  label="IPA",
                  interactive=False,
                  show_copy_button=True,
                  placeholder="The IPA transcription of the input will be displayed here.",
                  lines=1,
                  max_lines=4,  # ri
                )

      with gr.Row():
        gr.Examples(
            examples=[
              ["pang1"],
              ["pang2"],
              ["pang3"],
              ["pang4"],
              ["pang5"],
              ["pang"],
              ["hàng"],
              ["ang"],  # no initial
              ["hng"],  # SYLLABIC_CONSONANT_MAPPINGS
              ["ê"],  # INTERJECTION_MAPPINGS
              ["io"],  # INTERJECTION_MAPPINGS
              ["er"],  # INTERJECTION_MAPPINGS
              ["zhi"],  # FINAL_MAPPING_AFTER_ZH_CH_SH_R
              ["zi"],  # FINAL_MAPPING_AFTER_Z_C_S
            ],
            fn=synt,
            inputs=[
              input_txt_box,
            ],
            outputs=[
              output_txt_box,
            ],
            label="Examples",
            cache_examples=True,
            examples_per_page=20,
        )

    with gr.Tab("Info"):
      with gr.Column():
        gr.Markdown(
          """
          ### Phoneme Set

          - Vowels: a ɛ e ə ɚ ɤ i o ɔ u ʊ y
          - Diphthongs: ai̯ au̯ aɚ̯ ei̯ ou̯
          - Consonants: f h j k kʰ l m n p pʰ ɹ̩¹ ɻ¹ ɻ̩¹ s t ts tsʰ tɕ tɕʰ tʰ w x ŋ ɕ ɥ ʂ ʈʂ ʈʂʰ z̩¹ ʐ¹ ʐ̩¹

          Vowels and diphthongs contain one of these tones:

          - first tone: ˥
          - second tone: ˧˥
          - third tone: ˧˩˧
          - fourth tone: ˥˩
          - fifth tone: (nothing)

          ¹ These consonants contain also tones.

          ### Citation

          Taubert, S. (2024). pinyin-to-ipa (Version 0.0.2) [Computer software]. https://doi.org/10.5281/zenodo.10639971

          ### References

          - [https://en.wikipedia.org/wiki/Help:IPA/Mandarin](https://en.wikipedia.org/wiki/Help:IPA/Mandarin)
          - [https://en.wikipedia.org/wiki/Standard_Chinese_phonology](https://en.wikipedia.org/wiki/Standard_Chinese_phonology)
          - [https://en.wikipedia.org/wiki/Pinyin](https://en.wikipedia.org/wiki/Pinyin)
          - [https://de.wikipedia.org/wiki/Pinyin](https://de.wikipedia.org/wiki/Pinyin)
          - Duanmu, San. 2007. The Phonology of Standard Chinese. 2nd ed. Oxford ; New York: Oxford University Press.
          - Lin, Yen-Hwei. 2007. The Sounds of Chinese. Cambridge, UK ; New York: Cambridge University Press.

          ### Acknowledgments

          [pypinyin](https://github.com/mozillazg/python-pinyin) \\
          Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project-ID 416228727 – [CRC 1410](https://gepris.dfg.de/gepris/projekt/416228727?context=projekt&task=showDetail&id=416228727)

          ### App information

          - Version: 0.0.2
          - License: [MIT](https://github.com/stefantaubert/pinyin-to-ipa?tab=MIT-1-ov-file#readme)
          - GitHub: [stefantaubert/pinyin-to-ipa](https://github.com/stefantaubert/pinyin-to-ipa)
          """
        )

    # pylint: disable=E1101:no-member
    convert_btn.click(
      fn=synt,
      inputs=[
        input_txt_box,
      ],
      outputs=[
        output_txt_box,
      ],
      queue=True,
      show_progress=False,
    )

  return web_app


def synt(pinyin: str) -> str:
  try:
    output = pinyin_to_ipa(pinyin)
  except ValueError as error:
    result = "No valid pinyin detected! Please make sure to enter only one syllable."
    return result

  result = "\n".join(
    [
      "".join(x) for x in output
    ]
  )
  return result


if __name__ == "__main__":
  run()