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47f67f8b81
Install and export script should work on systems without "python" executable. Closes https://github.com/espressif/esp-idf/pull/6471 Closes https://github.com/espressif/esp-idf/issues/6532 Related to https://github.com/espressif/esp-idf/issues/6421 and https://github.com/espressif/arduino-esp32/issues/4717
25 lines
891 B
Bash
25 lines
891 B
Bash
# This file should be sourced, not executed!
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#
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# This is a helper script for detecting Python executables in the PATH. It is intended to be used for determining
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# which Python should be used with idf_tools.py for installing tools and exporting environment variables.
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#
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# 1. The script will set variable ESP_PYTHON to "python" if it is of version 3.
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# 2. Otherwise, "python3" will be exported if it exists.
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# 3. The script will fall-back to "python" as the last resort and fail if it doesn't exist.
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ESP_PYTHON=python
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for p_cmd in python python3
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do
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echo "Checking \"$p_cmd\" ..."
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if [ "$($p_cmd -c "import sys; print(sys.version_info.major)")" = 3 ]; then
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ESP_PYTHON=$p_cmd
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break
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fi
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done
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$ESP_PYTHON --version || { echo "\"$ESP_PYTHON\" is not installed! Please see the documentation for how to install it."; exit 1; }
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echo "\"$ESP_PYTHON\" has been detected"
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