python - Generating requirements.txt from mounted filesystem? -

my ubuntu os had problem mounted on recovery(temporary) os. have access previous files path /mnt(e.g. 'home' folder @ /mnt/home/).

i need generate requirements.txt file of python2.7 libraries installed in previous os. if use pip freeze, list of libraries of current os.

how generate requirements.txt mounted filesystem?

you can execute chroot inside mount point example

chroot /mnt 

and after execute:

pip freeze 

for show system library can execute:

dpkg -l | grep python