# 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__
+ try:
+ import __builtin__ as builtins
+ except ImportError:
+ import builtins
+ 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)
# 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
+ # if 'libedit' in readline.__doc__:
+ # readline.parse_and_bind("bind ^I rl_complete")
+ # else:
+ # readline.parse_and_bind("tab: complete")
+
+ histfiles = ['~/.python_history']
+ # if 'VIRTUAL_ENV' in os.environ:
+ # histfiles.append('$VIRTUAL_ENV/.python_history')
+ for histfile in histfiles:
+ try:
+ histfile = os.path.expandvars(histfile)
+ histfile = os.path.expanduser(histfile)
+ readline.read_history_file(histfile)
+ except IOError:
+ pass # No such file
def savehist():
- histfilesize = os.environ.get('HISTFILESIZE') or \
- os.environ.get('HISTSIZE')
- if histfilesize:
+ histsize = os.environ.get('HISTSIZE')
+ if histsize:
try:
- histfilesize = int(histfilesize)
+ histsize = int(histsize)
except ValueError:
pass
else:
- readline.set_history_length(histfilesize)
- readline.write_history_file(histfile)
+ readline.set_history_length(histsize)
+ histfile = histfiles[-1]
+ histfile = os.path.expandvars(histfile)
+ histfile = os.path.expanduser(histfile)
+ try:
+ readline.write_history_file(histfile)
+ except IOError:
+ pass
import atexit
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:
# From Randall Hopper:
# https://mail.python.org/pipermail/python-list/2001-March/112696.html
+ _term_found = False
for _term in ['linux', 'rxvt', 'screen', 'term', 'vt100']:
- if _term not in term:
- continue
+ if _term in term:
+ _term_found = True
+ break
+ if _term_found:
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
+
+ def myinput(prompt=None):
+ save_stdout = sys.stdout
+ sys.stdout = sys.__stdout__
+ try:
+ result = builtin_input(prompt)
+ except EOFError:
+ result = None
+ sys.stdout = save_stdout
+ return result
- break
+ try:
+ builtins.raw_input
+ except AttributeError: # PY3
+ builtin_input = builtins.input
+ builtins.input = myinput
+ else:
+ builtin_input = builtins.raw_input
+ builtins.raw_input = myinput
try:
import locale
except ImportError:
- pass # locale was not compiled
+ pass # locale was not compiled
else:
try:
locale.setlocale(locale.LC_ALL, '')
+ except (ImportError, locale.Error):
+ pass # no locale support or unsupported locale
- from pprint import pprint
+ # set displayhook and excepthook
- def displayhook(value):
- if value is not None:
- __builtin__._ = value
- pprint(value)
+ from pprint import pprint
+ from traceback import format_exception, print_exc
- sys.displayhook = displayhook
+ pager = os.environ.get("PAGER") or 'more'
- except (ImportError, locale.Error):
- pass # no locale support or unsupported locale
+ # if your pager is 'less', options '-F' and '-R' must be passed to it,
+ # and option '-X' is very much recommended
+ if pager == 'less':
+ less = os.environ.get("LESS") or ''
+ for opt in 'X', 'R', 'F':
+ if opt not in less:
+ less = opt + less
+ os.environ["LESS"] = less
+
+ class BasePager:
+ def write(self, value):
+ self.stdout.write(value)
+
+ def pprint(self, value):
+ pprint(value,
+ stream=ColoredFile(self.stdout,
+ '\033[1;3%sm' % stdout_color))
+
+ def close(self):
+ self.stdout.close()
+
+ try:
+ from subprocess import Popen, PIPE
+ except ImportError:
+ class Pager(BasePager):
+ def __init__(self):
+ self.stdout = os.popen(pager, 'w')
+ else:
+ class Pager(BasePager):
+ def __init__(self):
+ self.pipe = Popen(pager, shell=True, stdin=PIPE,
+ universal_newlines=True)
+ self.stdout = self.pipe.stdin
+
+ def close(self):
+ BasePager.close(self)
+ self.pipe.wait()
+
+ def displayhook(value):
+ if value is not None:
+ builtins._ = value
+ pager = Pager()
+ try:
+ pager.pprint(value)
+ except: # noqa
+ pager.stdout = ColoredFile(pager.stdout, '\033[31m') # red
+ print_exc(file=pager)
+ pager.close()
+
+ sys.displayhook = displayhook
+
+ def excepthook(etype, evalue, etraceback):
+ lines = format_exception(etype, evalue, etraceback)
+ pager = Pager()
+ pager.stdout = ColoredFile(pager.stdout, '\033[31m') # red
+ for line in lines:
+ pager.write(line)
+ pager.close()
+
+ sys.excepthook = excepthook
+
+ # try:
+ # import cgitb
+ # except ImportError:
+ # pass
+ # else:
+ # # cgitb.enable() overrides sys.excepthook
+ # cgitb.enable(format='text')
+
+ # 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
path = os.path.expanduser(os.path.expandvars(path or '~'))
os.chdir(path)
- __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
- #
- #def info(*args):
- # pdb.pm()
- #sys.excepthook = info
+ builtins.ls = DirLister()
+ builtins.cd = DirChanger()
+ # print working directory
class Pwd:
def __repr__(self):
def __call__(self):
return repr(self)
- __builtin__.pwd = Pwd()
+ builtins.pwd = Pwd()
+ # exit REPL with 'exit', 'quit' or simple 'x'
class _Exit:
def __repr__(self):
def __call__(self, msg=None):
sys.exit(msg)
- __builtin__.x = _Exit()
-
- if isinstance(__builtin__.exit, str): # In Python 2.5+ exit and quit are objects
- __builtin__.exit = __builtin__.quit = x
+ builtins.x = _Exit()
+ # print conten of a file
class _Cat:
def __repr__(self):
fp = open(filename, 'rU')
text = fp.read()
fp.close()
- print text
+ print(text)
- __builtin__.cat = _Cat()
+ builtins.cat = _Cat()
+ # call shell
class _Sh:
def __repr__(self):
def __call__(self, cmdline):
os.system(cmdline)
- __builtin__.sh = _Sh()
+ builtins.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()
+ builtins.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'
+ editor = os.environ.get("VISUAL") \
+ or os.environ.get("EDITOR") or 'vi'
os.system("%s '%s'" % (editor, filename.replace("'", '"\'"')))
- __builtin__.edit = __builtin__.editor = _Editor()
+ builtins.edit = builtins.editor = _Editor()
init()
projects / dotfiles.git / blobdiff