更改enroll命名,添加了注释,向get_error_msg中添加了一些错误代码

venv/Scripts/activate

@@ -1,34 +1,41 @@
 # This file must be used with "source bin/activate" *from bash*
 # you cannot run it directly
 
+
+if [ "${BASH_SOURCE-}" = "$0" ]; then
+    echo "You must source this script: \$ source $0" >&2
+    exit 33
+fi
+
 deactivate () {
+    unset -f pydoc >/dev/null 2>&1 || true
+
     # reset old environment variables
-    if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
-        PATH="${_OLD_VIRTUAL_PATH:-}"
+    # ! [ -z ${VAR+_} ] returns true if VAR is declared at all
+    if ! [ -z "${_OLD_VIRTUAL_PATH:+_}" ] ; then
+        PATH="$_OLD_VIRTUAL_PATH"
         export PATH
         unset _OLD_VIRTUAL_PATH
     fi
-    if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
-        PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
+    if ! [ -z "${_OLD_VIRTUAL_PYTHONHOME+_}" ] ; then
+        PYTHONHOME="$_OLD_VIRTUAL_PYTHONHOME"
         export PYTHONHOME
         unset _OLD_VIRTUAL_PYTHONHOME
     fi
 
-    # This should detect bash and zsh, which have a hash command that must
-    # be called to get it to forget past commands.  Without forgetting
-    # past commands the $PATH changes we made may not be respected
-    if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-        hash -r 2> /dev/null
-    fi
+    # The hash command must be called to get it to forget past
+    # commands. Without forgetting past commands the $PATH changes
+    # we made may not be respected
+    hash -r 2>/dev/null
 
-    if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
-        PS1="${_OLD_VIRTUAL_PS1:-}"
+    if ! [ -z "${_OLD_VIRTUAL_PS1+_}" ] ; then
+        PS1="$_OLD_VIRTUAL_PS1"
         export PS1
         unset _OLD_VIRTUAL_PS1
     fi
 
     unset VIRTUAL_ENV
-    if [ ! "${1:-}" = "nondestructive" ] ; then
+    if [ ! "${1-}" = "nondestructive" ] ; then
     # Self destruct!
         unset -f deactivate
     fi
@@ -37,7 +44,10 @@ deactivate () {
 # unset irrelevant variables
 deactivate nondestructive
 
-VIRTUAL_ENV="C:\Users\PBDELL\Desktop\Django\ITShowPlatform\venv"
+VIRTUAL_ENV='C:\Users\23022\Desktop\lesson\itshow\ITShowPlatform\venv'
+if ([ "$OSTYPE" = "cygwin" ] || [ "$OSTYPE" = "msys" ]) && $(command -v cygpath &> /dev/null) ; then
+    VIRTUAL_ENV=$(cygpath -u "$VIRTUAL_ENV")
+fi
 export VIRTUAL_ENV
 
 _OLD_VIRTUAL_PATH="$PATH"
@@ -45,22 +55,29 @@ PATH="$VIRTUAL_ENV/Scripts:$PATH"
 export PATH
 
 # unset PYTHONHOME if set
-# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
-# could use `if (set -u; : $PYTHONHOME) ;` in bash
-if [ -n "${PYTHONHOME:-}" ] ; then
-    _OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
+if ! [ -z "${PYTHONHOME+_}" ] ; then
+    _OLD_VIRTUAL_PYTHONHOME="$PYTHONHOME"
     unset PYTHONHOME
 fi
 
-if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
-    _OLD_VIRTUAL_PS1="${PS1:-}"
-    PS1="(venv) ${PS1:-}"
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT-}" ] ; then
+    _OLD_VIRTUAL_PS1="${PS1-}"
+    if [ "x" != x ] ; then
+        PS1="() ${PS1-}"
+    else
+        PS1="(`basename \"$VIRTUAL_ENV\"`) ${PS1-}"
+    fi
     export PS1
 fi
 
-# This should detect bash and zsh, which have a hash command that must
-# be called to get it to forget past commands.  Without forgetting
-# past commands the $PATH changes we made may not be respected
-if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
-    hash -r 2> /dev/null
-fi
+# Make sure to unalias pydoc if it's already there
+alias pydoc 2>/dev/null >/dev/null && unalias pydoc || true
+
+pydoc () {
+    python -m pydoc "$@"
+}
+
+# The hash command must be called to get it to forget past
+# commands. Without forgetting past commands the $PATH changes
+# we made may not be respected
+hash -r 2>/dev/null