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import os
from typing import Dict
def to_be_ignored(env_var: str, value: str) -> bool:
ignorable = {
"PWD", # PWD: this is how the shell keeps track of the current working dir
"OLDPWD",
"SSH_AUTH_SOCK", # SSH stuff, therefore unrelated
"SSH_TTY",
"HOME", # Linux shell default
"TMUX", # Terminal Multiplexer
"XDG_DATA_DIRS", # XDG: Desktop environment stuff
"XDG_RUNTIME_DIR",
"MAIL", # something related to emails
"SHELL", # binary for currently invoked shell
"DBUS_SESSION_BUS_ADDRESS", # hardware related
"PATH", # this is for finding binaries, not libraries
"LESSOPEN", # related to the `less` command
"LESSCLOSE",
"_", # current Python interpreter
}
return env_var in ignorable
def might_contain_a_path(candidate: str) -> bool:
return "/" in candidate
def is_active_conda_env(env_var: str) -> bool:
return "CONDA_PREFIX" == env_var
def is_other_conda_env_var(env_var: str) -> bool:
return "CONDA" in env_var
def is_relevant_candidate_env_var(env_var: str, value: str) -> bool:
return is_active_conda_env(env_var) or (
might_contain_a_path(value) and not
is_other_conda_env_var(env_var) and not
to_be_ignored(env_var, value)
)
def get_potentially_lib_path_containing_env_vars() -> Dict[str, str]:
return {
env_var: value
for env_var, value in os.environ.items()
if is_relevant_candidate_env_var(env_var, value)
}
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