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Patch activate script only in development.

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This commit is contained in:
Eklavya Sharma
2016-07-21 01:12:33 +05:30
committed by Tim Abbott
parent e7813094d7
commit baa157344c
3 changed files with 20 additions and 10 deletions
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14
scripts/lib/setup_venv.py
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@@ -34,7 +34,12 @@ VENV_DEPENDENCIES = [
"libpq-dev", # Needed by psycopg2
]
def patch_activate_script(venv_path):
def do_patch_activate_script(venv_path):
# type: (str) -> None
"""
Patches the bin/activate script so that the value of the environment variable VIRTUAL_ENV
is set to venv_path during the script's execution whenever it is sourced.
"""
# venv_path should be what we want to have in VIRTUAL_ENV after patching
script_path = os.path.join(venv_path, "bin", "activate")
@@ -49,8 +54,8 @@ def patch_activate_script(venv_path):
file_obj.write("".join(lines))
file_obj.close()
def setup_virtualenv(target_venv_path, requirements_file, virtualenv_args=None):
# type: (Optional[str], str, Optional[List[str]]) -> str
def setup_virtualenv(target_venv_path, requirements_file, virtualenv_args=None, patch_activate_script=False):
# type: (Optional[str], str, Optional[List[str]], bool) -> str
# Check if a cached version already exists
path = os.path.join(ZULIP_PATH, 'scripts', 'lib', 'hash_reqs.py')
@@ -68,7 +73,8 @@ def setup_virtualenv(target_venv_path, requirements_file, virtualenv_args=None):
print("Using cached Python venv from %s" % (cached_venv_path,))
if target_venv_path is not None:
run(["sudo", "ln", "-nsf", cached_venv_path, target_venv_path])
patch_activate_script(target_venv_path)
if patch_activate_script:
do_patch_activate_script(target_venv_path)
activate_this = os.path.join(cached_venv_path, "bin", "activate_this.py")
exec(open(activate_this).read(), {}, dict(__file__=activate_this)) # type: ignore # https://github.com/python/mypy/issues/1577
return cached_venv_path