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import platform |
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import subprocess |
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import os |
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from rsudp import COLOR, log_loc, settings_loc |
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def ep_edit_settings(): |
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''' |
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.. versionadded:: 1.0.3 |
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This function calls the system's default text editor to open the settings |
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file for editing. It is provided for convenience only. |
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Advanced users may prefer to add an alias in place of this function. |
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The alias **should** override the entrypoint command set in rsudp's |
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``setup.py``. |
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On Linux and MacOS, adding an alias may look like this: |
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.. code-block:: bash |
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# add the alias definition to the aliases file |
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echo "alias rsudp-settings='nano ~/.config/rsudp/rsudp_settings.json'" >> .bash_aliases |
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# then reload the console |
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bash |
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To add an alias on Windows via the command prompt is much more difficult. |
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.. note:: |
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This function has been tested on multiple operating systems, but |
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because each system's functionality and defaults may be different, |
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proper operation cannot be not guaranteed. |
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''' |
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if not os.path.exists(settings_loc): |
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raise(FileNotFoundError('Settings file not found at %s' % settings_loc)) |
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if platform.system() == 'Darwin': # MacOS |
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subprocess.call(('open', settings_loc)) |
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elif platform.system() == 'Windows': # Windows |
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os.startfile(settings_loc) |
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else: # linux variants |
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subprocess.call(('xdg-open', settings_loc)) |
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def ep_cat_log(): |
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''' |
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.. versionadded:: 1.0.3 |
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This function uses a posix system's ``cat`` command to print messages in |
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the rsudp log file. It is provided for convenience only. |
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It is accessible via the console command ``rs-log`` on posix (Linux, MacOS) |
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style operating systems. |
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''' |
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if os.name == 'posix': |
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subprocess.call(('cat', log_loc)) |
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else: |
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print('This command is only available on posix (Linux, MacOS) machines.') |
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def ep_tailf_log(): |
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''' |
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.. versionadded:: 1.0.3 |
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This function uses a the system's follow command to follow new |
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messages added to the log file. It is provided for convenience only. |
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is the equivalent of ``tail -f /tmp/rsudp/rsudp.log`` on Linux/MacOS |
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and ``Get-Content -Path "C:/tmp/rsudp/rsudp.log" -Wait`` on Windows. |
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It is accessible via the console command ``rs-tailf``. |
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The function will run until it receives a keyboard interrupt (CTRL+C). |
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''' |
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if os.name == 'posix': |
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try: |
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print(COLOR['blue'] + 'Entering log follow (tail -f) mode.') |
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print('New log messages will be printed until the console receives an interrupt (CTRL+C to end).' + COLOR['white']) |
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subprocess.call(('tail','-f', log_loc)) |
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except KeyboardInterrupt: |
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print() |
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print(COLOR['blue'] + 'Quitting tail -f mode.' + COLOR['white']) |
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if os.name == 'nt': |
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try: |
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print('Entering log follow mode.') |
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print('New log messages will be printed until the console receives an interrupt (CTRL+C to end).') |
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subprocess.call(('Get-Content', '-Path', '"C:/tmp/rsudp/rsudp.log"', '-Wait')) |
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except Exception as e: |
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print('This function is not available on Windows. Error: %s' % (e)) |
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raspishake /
rsudp
