summaryrefslogtreecommitdiffstats
path: root/Lib/venv/__init__.py
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/venv/__init__.py')
-rw-r--r--Lib/venv/__init__.py42
1 files changed, 28 insertions, 14 deletions
diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index 3606370..a57db0e 100644
--- a/Lib/venv/__init__.py
+++ b/Lib/venv/__init__.py
@@ -80,6 +80,14 @@ class EnvBuilder:
self.setup_scripts(context)
self.post_setup(context)
+ def clear_directory(self, path):
+ for fn in os.listdir(path):
+ fn = os.path.join(path, fn)
+ if os.path.islink(fn) or os.path.isfile(fn):
+ os.remove(fn)
+ elif os.path.isdir(fn):
+ shutil.rmtree(fn)
+
def ensure_directories(self, env_dir):
"""
Create the directories for the environment.
@@ -91,11 +99,11 @@ class EnvBuilder:
def create_if_needed(d):
if not os.path.exists(d):
os.makedirs(d)
+ elif os.path.islink(d) or os.path.isfile(d):
+ raise ValueError('Unable to create directory %r' % d)
- if os.path.exists(env_dir) and not (self.clear or self.upgrade):
- raise ValueError('Directory exists: %s' % env_dir)
if os.path.exists(env_dir) and self.clear:
- shutil.rmtree(env_dir)
+ self.clear_directory(env_dir)
context = types.SimpleNamespace()
context.env_dir = env_dir
context.env_name = os.path.split(env_dir)[1]
@@ -253,7 +261,8 @@ class EnvBuilder:
being processed.
"""
text = text.replace('__VENV_DIR__', context.env_dir)
- text = text.replace('__VENV_NAME__', context.prompt)
+ text = text.replace('__VENV_NAME__', context.env_name)
+ text = text.replace('__VENV_PROMPT__', context.prompt)
text = text.replace('__VENV_BIN_NAME__', context.bin_name)
text = text.replace('__VENV_PYTHON__', context.env_exe)
return text
@@ -360,17 +369,22 @@ def main(args=None):
use_symlinks = False
else:
use_symlinks = True
- parser.add_argument('--symlinks', default=use_symlinks,
- action='store_true', dest='symlinks',
- help='Try to use symlinks rather than copies, '
- 'when symlinks are not the default for '
- 'the platform.')
+ group = parser.add_mutually_exclusive_group()
+ group.add_argument('--symlinks', default=use_symlinks,
+ action='store_true', dest='symlinks',
+ help='Try to use symlinks rather than copies, '
+ 'when symlinks are not the default for '
+ 'the platform.')
+ group.add_argument('--copies', default=not use_symlinks,
+ action='store_false', dest='symlinks',
+ help='Try to use copies rather than symlinks, '
+ 'even when symlinks are the default for '
+ 'the platform.')
parser.add_argument('--clear', default=False, action='store_true',
- dest='clear', help='Delete the environment '
- 'directory if it already '
- 'exists. If not specified and '
- 'the directory exists, an error'
- ' is raised.')
+ dest='clear', help='Delete the contents of the '
+ 'environment directory if it '
+ 'already exists, before '
+ 'environment creation.')
parser.add_argument('--upgrade', default=False, action='store_true',
dest='upgrade', help='Upgrade the environment '
'directory to use this version '