# into your .profile (use whatever syntax and initialization file
# is appropriate for your shell):
#
-# PYTHONSTARTUP=$HOME/init.py # or where you really put it
+# PYTHONSTARTUP=$HOME/init.py # or where you really put it
# export PYTHONSTARTUP
+
def init():
- import sys, os
import __builtin__
+ import os
+ import sys
+
+ # readline/pyreadline
- pyreadlinew32_startup = os.path.join(sys.prefix,
- 'lib', 'site-packages', 'pyreadline', 'configuration', 'startup.py')
+ pyreadlinew32_startup = os.path.join(
+ sys.prefix, 'lib', 'site-packages',
+ 'pyreadline', 'configuration', 'startup.py')
if os.path.exists(pyreadlinew32_startup):
execfile(pyreadlinew32_startup)
else:
- # From Bruce Edge
+ # From Bruce Edge:
+ # https://mail.python.org/pipermail/python-list/2001-March/062888.html
try:
- import rlcompleter, readline
- initfile = os.environ.get('INPUTRC') or os.path.expanduser('~/.inputrc')
+ import readline
+ initfile = os.environ.get('INPUTRC') \
+ or os.path.expanduser('~/.inputrc')
readline.read_init_file(initfile)
histfile = os.path.expanduser('~/.python-history')
try:
readline.read_history_file(histfile)
except IOError:
- pass # No such file
+ pass # No such file
def savehist():
- histfilesize = os.environ.get('HISTFILESIZE') or \
- os.environ.get('HISTSIZE')
+ histfilesize = os.environ.get('HISTFILESIZE') \
+ or os.environ.get('HISTSIZE')
if histfilesize:
try:
histfilesize = int(histfilesize)
atexit.register(savehist)
except (ImportError, AttributeError):
- pass # no readline or atexit, or readline doesn't have
- # {read,write}_history_file - ignore the error
+ # no readline or atexit, or readline doesn't have
+ # {read,write}_history_file - ignore the error
+ pass
+ # terminal
term = os.environ.get('TERM', '')
if 'linux' in term:
else:
background = os.environ.get('BACKGROUND', 'light').lower()
- # From Randall Hopper
+ # From Randall Hopper:
+ # https://mail.python.org/pipermail/python-list/2001-March/112696.html
- for _term in ['linux', 'term', 'rxvt', 'vt100', 'screen']:
- if _term in term:
- if background == 'dark':
- ps1_color = '3' # yellow
- stdout_color = '7' # bold white
- else:
- ps1_color = '4' # blue
- stdout_color = '0' # bold black
+ for _term in ['linux', 'rxvt', 'screen', 'term', 'vt100']:
+ if _term not in term:
+ continue
- sys.ps1 = '\001\033[3%sm\002>>>\001\033[0m\002 ' % ps1_color
- sys.ps2 = '\001\033[1;32m\002...\001\033[0m\002 ' # bold green
+ if background == 'dark':
+ ps1_color = '3' # yellow
+ stdout_color = '7' # bold white
+ else:
+ ps1_color = '4' # blue
+ stdout_color = '0' # bold black
+ sys.ps1 = '\001\033[3%sm\002>>>\001\033[0m\002 ' % ps1_color
+ sys.ps2 = '\001\033[1;32m\002...\001\033[0m\002 ' # bold green
- # From Denis Otkidach
+ # From Denis Otkidach
- class ColoredFile:
- def __init__(self, fp, begin, end='\033[0m'): # reset all attributes
- self.__fp = fp
- self.__begin = begin
- self.__end = end
+ class ColoredFile:
+ def __init__(self, fp, begin,
+ end='\033[0m'): # reset all attributes
+ self.__fp = fp
+ self.__begin = begin
+ self.__end = end
- def write(self, s):
- self.__fp.write(self.__begin+s+self.__end)
+ def write(self, s):
+ self.__fp.write(self.__begin+s+self.__end)
- def writelines(self, lines):
- map(self.write, lines)
+ def writelines(self, lines):
+ map(self.write, lines)
- def __getattr__(self, attr):
- return getattr(self.__fp, attr)
+ def __getattr__(self, attr):
+ return getattr(self.__fp, attr)
- sys.stdout = ColoredFile(sys.stdout, '\033[1;3%sm' % stdout_color)
- sys.stderr = ColoredFile(sys.stderr, '\033[31m') # red
+ sys.stdout = ColoredFile(sys.stdout, '\033[1;3%sm' % stdout_color)
+ sys.stderr = ColoredFile(sys.stderr, '\033[31m') # red
- break
+ break
try:
import locale
except ImportError:
- pass # locale was not compiled
+ pass # locale was not compiled
else:
try:
locale.setlocale(locale.LC_ALL, '')
- from pprint import pprint
+ except (ImportError, locale.Error):
+ pass # no locale support or unsupported locale
- def displayhook(value):
- if value is not None:
- __builtin__._ = value
- pprint(value)
+ # set displayhook
- sys.displayhook = displayhook
+ from pprint import pprint
- except (ImportError, locale.Error):
- pass # no locale support or unsupported locale
+ def displayhook(value):
+ if value is not None:
+ __builtin__._ = value
+ pprint(value)
+
+ sys.displayhook = displayhook
+ # utilities
- # From: Paul Magwene with a lot of my fixes
+ # From: Paul Magwene:
+ # https://mail.python.org/pipermail/python-list/2001-March/086191.html
+ # With a lot of my fixes:
class DirLister:
def __getitem__(self, key):
__builtin__.ls = DirLister()
__builtin__.cd = DirChanger()
+ # From Thomas Heller:
+ # https://mail.python.org/pipermail/python-list/2001-April/099020.html
- # From Thomas Heller
- #
- #import pdb
+ # import pdb
#
- #def info(*args):
- # pdb.pm()
- #sys.excepthook = info
+ # def info(*args):
+ # pdb.pm()
+ # sys.excepthook = info
+ # print working directory
class Pwd:
def __repr__(self):
__builtin__.pwd = Pwd()
+ # exit REPL with 'exit', 'quit' or simple 'x'
class _Exit:
def __repr__(self):
__builtin__.x = _Exit()
- if isinstance(__builtin__.exit, str): # In Python 2.5+ exit and quit are objects
- __builtin__.exit = __builtin__.quit = x
+ # In Python 2.5+ exit and quit are objects
+ if isinstance(__builtin__.exit, str):
+ __builtin__.exit = __builtin__.quit = x # noqa: x is defined as _Exit
+
+ # print conten of a file
+
+ class _Cat:
+ def __repr__(self):
+ return "Usage: cat('filename')"
+
+ def __call__(self, filename):
+ fp = open(filename, 'rU')
+ text = fp.read()
+ fp.close()
+ print text
+
+ __builtin__.cat = _Cat()
+
+ # call shell
+
+ class _Sh:
+ def __repr__(self):
+ os.system(os.environ["SHELL"])
+ return ''
+
+ def __call__(self, cmdline):
+ os.system(cmdline)
+
+ __builtin__.sh = _Sh()
+
+ # paginate a file
+
+ class _Pager:
+ def __repr__(self):
+ return "Usage: pager('filename')"
+
+ def __call__(self, filename):
+ pager = os.environ.get("PAGER") or 'more'
+ os.system("%s '%s'" % (pager, filename.replace("'", '"\'"')))
+
+ __builtin__.pager = _Pager()
+
+ # edit a file
+
+ class _Editor:
+ def __repr__(self):
+ return "Usage: edit('filename')"
+
+ def __call__(self, filename):
+ editor = os.environ.get("VISUAL") \
+ or os.environ.get("EDITOR") or 'vi'
+ os.system("%s '%s'" % (editor, filename.replace("'", '"\'"')))
+
+ __builtin__.edit = __builtin__.editor = _Editor()
init()