# 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 rlcompleter # noqa: need for completion
+ 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', 'rxvt', 'screen', 'term', 'vt100']:
if _term not in term:
continue
if background == 'dark':
- ps1_color = '3' # yellow
- stdout_color = '7' # bold white
+ ps1_color = '3' # yellow
+ stdout_color = '7' # bold white
else:
- ps1_color = '4' # blue
- stdout_color = '0' # bold black
+ 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
-
+ sys.ps2 = '\001\033[1;32m\002...\001\033[0m\002 ' # bold green
# From Denis Otkidach
class ColoredFile:
- def __init__(self, fp, begin, end='\033[0m'): # reset all attributes
+ def __init__(self, fp, begin,
+ end='\033[0m'): # reset all attributes
self.__fp = fp
self.__begin = begin
self.__end = end
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.stderr = ColoredFile(sys.stderr, '\033[31m') # red
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
+ class BasePPrintPager:
+ def pipe(self, value):
+ pprint(value, stream=self.stdin)
+
+ def close(self):
+ self.stdin.close()
+
+ try:
+ from subprocess import Popen, PIPE
+ except ImportError:
+ class PPrintPager(BasePPrintPager):
+ def __init__(self):
+ self.pipe = Popen(pager, shell=True, stdin=PIPE)
+ self.stdin = self.pipe.stdin
+
+ def close(self):
+ BasePPrintPager.close(self)
+ self.pipe.wait()
+ else:
+ class PPrintPager(BasePPrintPager):
+ def __init__(self):
+ self.stdin = os.popen(pager, 'w')
+ pager = os.environ.get("PAGER") or 'more'
+
+ def displayhook(value):
+ if value is not None:
+ __builtin__._ = value
+ pprint_pager = PPrintPager()
+ pprint_pager.pipe(value)
+ pprint_pager.close()
+ sys.displayhook = displayhook
- # From: Paul Magwene with a lot of my fixes
+ from traceback import print_exception
+
+ def excepthook(etype, evalue, etraceback):
+ print_exception(etype, evalue, etraceback)
+
+ sys.excepthook = excepthook
+
+ # From Thomas Heller:
+ # https://mail.python.org/pipermail/python-list/2001-April/099020.html
+
+ # import pdb
+ #
+ # def info(*args):
+ # pdb.pm()
+ # sys.excepthook = info
+
+ # utilities
+
+ # 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
- #
- #import pdb
- #
- #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):
+ 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()
projects / dotfiles.git / blobdiff