| Server IP : 79.136.114.73 / Your IP : 216.73.216.25 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/local/lib/python3.6/site-packages/pip/_internal/utils/ |
Upload File : |
# The following comment should be removed at some point in the future.
# mypy: strict-optional=False
import os
import re
import sys
from typing import Optional
from pip._internal.locations import site_packages, user_site
from pip._internal.utils.virtualenv import (
running_under_virtualenv,
virtualenv_no_global,
)
__all__ = [
"egg_link_path_from_sys_path",
"egg_link_path_from_location",
]
def _egg_link_name(raw_name: str) -> str:
"""
Convert a Name metadata value to a .egg-link name, by applying
the same substitution as pkg_resources's safe_name function.
Note: we cannot use canonicalize_name because it has a different logic.
"""
return re.sub("[^A-Za-z0-9.]+", "-", raw_name) + ".egg-link"
def egg_link_path_from_sys_path(raw_name: str) -> Optional[str]:
"""
Look for a .egg-link file for project name, by walking sys.path.
"""
egg_link_name = _egg_link_name(raw_name)
for path_item in sys.path:
egg_link = os.path.join(path_item, egg_link_name)
if os.path.isfile(egg_link):
return egg_link
return None
def egg_link_path_from_location(raw_name: str) -> Optional[str]:
"""
Return the path for the .egg-link file if it exists, otherwise, None.
There's 3 scenarios:
1) not in a virtualenv
try to find in site.USER_SITE, then site_packages
2) in a no-global virtualenv
try to find in site_packages
3) in a yes-global virtualenv
try to find in site_packages, then site.USER_SITE
(don't look in global location)
For #1 and #3, there could be odd cases, where there's an egg-link in 2
locations.
This method will just return the first one found.
"""
sites = []
if running_under_virtualenv():
sites.append(site_packages)
if not virtualenv_no_global() and user_site:
sites.append(user_site)
else:
if user_site:
sites.append(user_site)
sites.append(site_packages)
egg_link_name = _egg_link_name(raw_name)
for site in sites:
egglink = os.path.join(site, egg_link_name)
if os.path.isfile(egglink):
return egglink
return None