If you need to determine the
packages/modules/
libraries installed for
Python on a system, you can do so by obtaining a Python
command prompt and issuing the help("modules") command.
$ python
Python 2.7.10 (default, Oct 23 2015, 19:19:21)
[GCC 4.2.1 Compatible Apple LLVM 7.0.0 (clang-700.0.59.5)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> help("modules")
Please wait a moment while I gather a list of all available modules...
2018-08-18 15:31:45.666 Python[74959:5231860] Cannot find executable for CFBundle 0x
7fe335602be0 </System/Library/Frameworks/Message.framework> (not loaded)
AVFoundation _TE dircache profile
Accounts _Win dis pstats
AddressBook __builtin__ distutils pty
AppKit __future__ dl pwd
AppleScriptKit _abcoll doctest py2app
AppleScriptObjC _ast dumbdbm py_compile
Audio_mac _bisect dummy_thread pyclbr
Automator _builtinSuites dummy_threading pydoc
BaseHTTPServer _codecs easy_install pydoc_data
Bastion _codecs_cn email pyexpat
CFNetwork _codecs_hk encodings pylab
CFOpenDirectory _codecs_iso2022 ensurepip pyparsing
CGIHTTPServer _codecs_jp errno pytz
Canvas _codecs_kr exceptions quopri
Carbon _codecs_tw fcntl random
Cocoa _collections filecmp re
CodeWarrior _csv fileinput readline
Collaboration _ctypes findertools repr
ColorPicker _ctypes_test fnmatch resource
ConfigParser _curses formatter rexec
Cookie _curses_panel fpformat rfc822
CoreData _elementtree fractions rlcompleter
CoreFoundation _functools ftplib robotparser
CoreGraphics _hashlib functools runpy
CoreLocation _heapq future_builtins sched
CoreText _hotshot gc scipy
Dialog _io genericpath select
DictionaryServices _json gensuitemodule sets
DocXMLRPCServer _locale gestalt setuptools
EasyDialogs _lsprof getopt sgmllib
EventKit _markerlib getpass sha
ExceptionHandling _multibytecodec gettext shelve
Explorer _multiprocessing glob shlex
FSEvents _osx_support grp shutil
FileDialog _pyio gzip signal
Finder _random hashlib site
FixTk _scproxy heapq six
Foundation _socket hmac smtpd
FrameWork _sqlite3 hotshot smtplib
HTMLParser _sre htmlentitydefs sndhdr
IN _ssl htmllib socket
InputMethodKit _strptime httplib sqlite3
InstallerPlugins _struct ic sre
InstantMessage _symtable icglue sre_compile
JavaScriptCore _sysconfigdata icopen sre_constants
LatentSemanticMapping _testcapi idlelib sre_parse
LaunchServices _threading_local ihooks ssl
MacOS _tkinter imageop stat
Message _warnings imaplib statvfs
MimeWriter _weakref imghdr string
MiniAEFrame _weakrefset imp stringold
Nav abc importlib stringprep
Netscape aepack imputil strop
OSATerminology aetools inspect struct
OpenDirectory aetypes io subprocess
OpenSSL aifc itertools sunau
PixMapWrapper altgraph json sunaudio
PreferencePanes antigravity keyword symbol
PubSub anydbm lib2to3 symtable
PyObjCTools applesingle linecache sys
PyPDF2 appletrawmain locale sysconfig
QTKit appletrunner logging syslog
Quartz argparse macerrors tabnanny
Queue argvemulator macholib tarfile
ScreenSaver array macostools telnetlib
ScriptingBridge ast macpath tempfile
ScrolledText asynchat macresource terminalcommand
SearchKit asyncore macurl2path termios
ServiceManagement atexit mailbox test
SimpleDialog audiodev mailcap textwrap
SimpleHTTPServer audioop markupbase this
SimpleXMLRPCServer autoGIL marshal thread
Social base64 math threading
SocketServer bdb matplotlib time
StdSuites bdist_mpkg md5 timeit
StringIO bgenlocations mhlib tkColorChooser
SyncServices binascii mimetools tkCommonDialog
SystemConfiguration binhex mimetypes tkFileDialog
SystemEvents bisect mimify tkFont
Tix bonjour mmap tkMessageBox
Tkconstants bsddb modulefinder tkSimpleDialog
Tkdnd bsddb185 modulegraph toaiff
Tkinter buildtools multifile token
UserDict bundlebuilder multiprocessing tokenize
UserList bz2 mutex trace
UserString cPickle netrc traceback
WebKit cProfile new ttk
_AE cStringIO nis tty
_AH calendar nntplib turtle
_App cfmfile ntpath types
_CF cgi nturl2path unicodedata
_CG cgitb numbers unittest
_CarbonEvt chunk numpy urllib
_Cm cmath objc urllib2
_Ctl cmd olefile urlparse
_Dlg code opcode user
_Drag codecs operator uu
_Evt codeop optparse uuid
_File collections os videoreader
_Fm colorsys os2emxpath warnings
_Folder commands parser wave
_Help compileall pdb weakref
_IBCarbon compiler pickle webbrowser
_Icn contextlib pickletools whichdb
_LWPCookieJar cookielib pimp wsgiref
_Launch copy pip xattr
_List copy_reg pipes xdrlib
_Menu crypt pkg_resources xlrd
_Mlte csv pkgutil xml
_MozillaCookieJar ctypes platform xmllib
_OSA curses plistlib xmlrpclib
_Qd datetime popen2 xxsubtype
_Qdoffs dateutil poplib zipfile
_Qt dbhash posix zipimport
_Res dbm posixfile zlib
_Scrap decimal posixpath zope
_Snd difflib pprint
Enter any module name to get more help. Or, type "modules spam" to search
for modules whose descriptions contain the word "spam".
>>> exit()
$Alternatively, if you have the
pip package manager installed, you can issue the command pip
list at a command prompt. That method will also provide
the version number for the installed modules - see
pip for other command options.
$ pip list
DEPRECATION: The default format will switch to columns in the future. You can use --
format=(legacy|columns) (or define a format=(legacy|columns) in your pip.conf under
the [list] section) to disable this warning.
altgraph (0.10.2)
bdist-mpkg (0.5.0)
bonjour-py (0.3)
macholib (1.5.1)
matplotlib (1.3.1)
modulegraph (0.10.4)
numpy (1.8.0rc1)
olefile (0.45.1)
pip (9.0.1)
py2app (0.7.3)
pyobjc-core (2.5.1)
pyobjc-framework-Accounts (2.5.1)
pyobjc-framework-AddressBook (2.5.1)
pyobjc-framework-AppleScriptKit (2.5.1)
pyobjc-framework-AppleScriptObjC (2.5.1)
pyobjc-framework-Automator (2.5.1)
pyobjc-framework-CFNetwork (2.5.1)
pyobjc-framework-Cocoa (2.5.1)
pyobjc-framework-Collaboration (2.5.1)
pyobjc-framework-CoreData (2.5.1)
pyobjc-framework-CoreLocation (2.5.1)
pyobjc-framework-CoreText (2.5.1)
pyobjc-framework-DictionaryServices (2.5.1)
pyobjc-framework-EventKit (2.5.1)
pyobjc-framework-ExceptionHandling (2.5.1)
pyobjc-framework-FSEvents (2.5.1)
pyobjc-framework-InputMethodKit (2.5.1)
pyobjc-framework-InstallerPlugins (2.5.1)
pyobjc-framework-InstantMessage (2.5.1)
pyobjc-framework-LatentSemanticMapping (2.5.1)
pyobjc-framework-LaunchServices (2.5.1)
pyobjc-framework-Message (2.5.1)
pyobjc-framework-OpenDirectory (2.5.1)
pyobjc-framework-PreferencePanes (2.5.1)
pyobjc-framework-PubSub (2.5.1)
pyobjc-framework-QTKit (2.5.1)
pyobjc-framework-Quartz (2.5.1)
pyobjc-framework-ScreenSaver (2.5.1)
pyobjc-framework-ScriptingBridge (2.5.1)
pyobjc-framework-SearchKit (2.5.1)
pyobjc-framework-ServiceManagement (2.5.1)
pyobjc-framework-Social (2.5.1)
pyobjc-framework-SyncServices (2.5.1)
pyobjc-framework-SystemConfiguration (2.5.1)
pyobjc-framework-WebKit (2.5.1)
pyOpenSSL (0.13.1)
pyparsing (2.0.1)
PyPDF2 (1.26.0)
python-dateutil (1.5)
pytz (2013.7)
scipy (0.13.0b1)
setuptools (1.1.6)
six (1.4.1)
xattr (0.6.4)
xlrd (1.0.0)
zope.interface (4.1.1)
$You can also use pip freeze, which outputs installed
packages in a slightly different "requirements format."
$ pip freeze altgraph==0.10.2 bdist-mpkg==0.5.0 bonjour-py==0.3 macholib==1.5.1 matplotlib==1.3.1 modulegraph==0.10.4 numpy==1.8.0rc1 olefile==0.45.1 py2app==0.7.3 pyobjc-core==2.5.1 pyobjc-framework-Accounts==2.5.1 pyobjc-framework-AddressBook==2.5.1 pyobjc-framework-AppleScriptKit==2.5.1 pyobjc-framework-AppleScriptObjC==2.5.1 pyobjc-framework-Automator==2.5.1 pyobjc-framework-CFNetwork==2.5.1 pyobjc-framework-Cocoa==2.5.1 pyobjc-framework-Collaboration==2.5.1 pyobjc-framework-CoreData==2.5.1 pyobjc-framework-CoreLocation==2.5.1 pyobjc-framework-CoreText==2.5.1 pyobjc-framework-DictionaryServices==2.5.1 pyobjc-framework-EventKit==2.5.1 pyobjc-framework-ExceptionHandling==2.5.1 pyobjc-framework-FSEvents==2.5.1 pyobjc-framework-InputMethodKit==2.5.1 pyobjc-framework-InstallerPlugins==2.5.1 pyobjc-framework-InstantMessage==2.5.1 pyobjc-framework-LatentSemanticMapping==2.5.1 pyobjc-framework-LaunchServices==2.5.1 pyobjc-framework-Message==2.5.1 pyobjc-framework-OpenDirectory==2.5.1 pyobjc-framework-PreferencePanes==2.5.1 pyobjc-framework-PubSub==2.5.1 pyobjc-framework-QTKit==2.5.1 pyobjc-framework-Quartz==2.5.1 pyobjc-framework-ScreenSaver==2.5.1 pyobjc-framework-ScriptingBridge==2.5.1 pyobjc-framework-SearchKit==2.5.1 pyobjc-framework-ServiceManagement==2.5.1 pyobjc-framework-Social==2.5.1 pyobjc-framework-SyncServices==2.5.1 pyobjc-framework-SystemConfiguration==2.5.1 pyobjc-framework-WebKit==2.5.1 pyOpenSSL==0.13.1 pyparsing==2.0.1 PyPDF2==1.26.0 python-dateutil==1.5 pytz==2013.7 scipy==0.13.0b1 six==1.4.1 xattr==0.6.4 xlrd==1.0.0 zope.interface==4.1.1 $
If you have Python installed on a
Linux or
Apple OS X system,
but not PIP, you
can install it using the easy_install utility with easy_install pip.
If pip is installed, you will likely find it in the /usr/bin
directory. E.g., the below commands were run on an
OS X El
Capitan system on which I had installed pip:
$ which easy_install /usr/bin/easy_install $ which pip /usr/local/bin/pip $
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