virtualenv/sync/create_python_env.py
changeset 0 87104b7cb3d6
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-1:000000000000 0:87104b7cb3d6
       
     1 """
       
     2 Call this like ``python create_python_env.py``; it will
       
     3 refresh the project-boot.py script
       
     4 
       
     5 -prerequisite:
       
     6 
       
     7 - virtualenv
       
     8 
       
     9 - python project-boot.py --unzip-setuptools --no-site-packages --clear --type-install=local <path_to_venv>
       
    10 
       
    11 """
       
    12 
       
    13 import os
       
    14 import subprocess
       
    15 import re
       
    16 import sys
       
    17 
       
    18 
       
    19 here = os.path.dirname(os.path.abspath(__file__))
       
    20 base_dir = here
       
    21 script_name = os.path.join(base_dir, 'project-boot.py')
       
    22 
       
    23 import virtualenv
       
    24 
       
    25 src_base = os.path.abspath(os.path.join(here,"..","res","src")).replace("\\","/")
       
    26 lib_path = os.path.abspath(os.path.join(here,"..","res","lib")).replace("\\","/")
       
    27 patch_path = os.path.abspath(os.path.join(here,"res","patch")).replace("\\","/")
       
    28 
       
    29 
       
    30 EXTRA_TEXT  = "import sys\n"
       
    31 EXTRA_TEXT += "sys.path.append('%s')\n" % (lib_path)
       
    32 EXTRA_TEXT += "sys.path.append('%s')\n" % (os.path.abspath(os.path.join(here,"res")).replace("\\","/"))
       
    33 EXTRA_TEXT += "from res_create_env import generate_install_methods\n"
       
    34 EXTRA_TEXT += "adjust_options, extend_parser, after_install = generate_install_methods(path_locations, '%s', Logger, call_subprocess)\n" % (src_base)
       
    35 
       
    36 
       
    37 def main():
       
    38     python_version = ".".join(map(str,sys.version_info[0:2]))
       
    39     text = virtualenv.create_bootstrap_script(EXTRA_TEXT, python_version=python_version)
       
    40     if os.path.exists(script_name):
       
    41         f = open(script_name)
       
    42         cur_text = f.read()
       
    43         f.close()
       
    44     else:
       
    45         cur_text = ''
       
    46     print 'Updating %s' % script_name
       
    47     if cur_text == 'text':
       
    48         print 'No update'
       
    49     else:
       
    50         print 'Script changed; updating...'
       
    51         f = open(script_name, 'w')
       
    52         f.write(text)
       
    53         f.close()
       
    54 
       
    55 if __name__ == '__main__':
       
    56     main()
       
    57