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90 lines
3.9 KiB
90 lines
3.9 KiB
10 years ago
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if exists('g:powerline_loaded')
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finish
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endif
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let g:powerline_loaded = 1
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if !has('python') && !has('python3')
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if !exists('g:powerline_no_python_error')
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echohl ErrorMsg
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echomsg 'You need vim compiled with Python 2.6, 2.7 or 3.2 and later support'
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echomsg 'for Powerline to work. Please consult the documentation for more'
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echomsg 'details.'
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echohl None
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endif
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finish
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endif
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let s:pycmd = substitute(get(g:, 'powerline_pycmd', has('python') ? 'py' : 'py3'), '\v^(py)%[thon](3?)$', '\1\2', '')
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let s:pyeval = get(g:, 'powerline_pyeval', s:pycmd.'eval')
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let s:import_cmd = 'from powerline.vim import setup as powerline_setup'
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try
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let s:pystr = "try:\n"
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let s:pystr .= " ".s:import_cmd."\n"
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let s:pystr .= "except ImportError:\n"
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let s:pystr .= " import sys, vim\n"
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let s:pystr .= " sys.path.append(vim.eval('expand(\"<sfile>:h:h:h:h:h\")'))\n"
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let s:pystr .= " ".s:import_cmd."\n"
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execute s:pycmd s:pystr
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unlet s:pystr
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let s:launched = 1
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finally
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unlet s:import_cmd
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if !exists('s:launched')
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echohl ErrorMsg
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echomsg 'An error occurred while importing powerline package.'
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echomsg 'This could be caused by invalid sys.path setting,'
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echomsg 'or by an incompatible Python version (powerline requires'
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echomsg 'Python 2.6, 2.7 or 3.2 and later to work). Please consult'
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echomsg 'the troubleshooting section in the documentation for'
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echomsg 'possible solutions.'
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echohl None
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let s:pystr = "def powerline_troubleshoot():\n"
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let s:pystr .= " import sys\n"
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let s:pystr .= " if sys.version_info < (2, 6):\n"
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let s:pystr .= " print('Too old python version: ' + sys.version + ' (first supported is 2.6)')\n"
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let s:pystr .= " elif sys.version_info[0] == 3 and sys.version_info[1] < 2:\n"
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let s:pystr .= " print('Too old python 3 version: ' + sys.version + ' (first supported is 3.2)')\n"
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let s:pystr .= " try:\n"
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let s:pystr .= " import powerline\n"
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let s:pystr .= " except ImportError:\n"
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let s:pystr .= " print('Unable to import powerline, is it installed?')\n"
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if expand('<sfile>')[:4] isnot# '/usr/'
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let s:pystr .= " else:\n"
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let s:pystr .= " import os\n"
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let s:pystr .= " powerline_dir = os.path.dirname(os.path.realpath(powerline.__file__))\n"
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let s:pystr .= " this_dir = os.path.dirname(os.path.realpath(vim.eval('expand(\"<sfile>:p\")')))\n"
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let s:pystr .= " this_dir = os.path.dirname(os.path.dirname(os.path.dirname(this_dir)))\n"
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let s:pystr .= " if os.path.basename(this_dir) != 'powerline':\n"
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let s:pystr .= " print('Check your installation:')\n"
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let s:pystr .= " print('this script is not in powerline[/bindings/vim/plugin] directory,')\n"
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let s:pystr .= " print('neither it is installed system-wide')\n"
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let s:pystr .= " this_dir = os.path.dirname(this_dir)\n"
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let s:pystr .= " real_powerline_dir = os.path.realpath(powerline_dir)\n"
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let s:pystr .= " real_this_dir = os.path.realpath(this_dir)\n"
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let s:pystr .= " if real_this_dir != sys.path[-1]:\n"
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let s:pystr .= " print('Check your installation:')\n"
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let s:pystr .= " print('this script is symlinked somewhere where powerline is not present.')\n"
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let s:pystr .= " elif real_powerline_dir != real_this_dir:\n"
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let s:pystr .= " print('It appears that you have two powerline versions installed:')\n"
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let s:pystr .= " print('one in ' + real_powerline_dir + ', other in ' + real_this_dir + '.')\n"
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let s:pystr .= " print('You should remove one of this. Check out troubleshooting section,')\n"
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let s:pystr .= " print('it contains some information about the alternatives.')\n"
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endif
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execute s:pycmd s:pystr
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unlet s:pystr
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unlet s:pycmd
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unlet s:pyeval
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finish
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else
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unlet s:launched
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endif
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endtry
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execute s:pycmd 'import vim'
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execute s:pycmd 'powerline_setup(pyeval=vim.eval("s:pyeval"), pycmd=vim.eval("s:pycmd"))'
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execute s:pycmd 'del powerline_setup'
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unlet s:pycmd
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unlet s:pyeval
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