#!/usr/bin/env ipython
# dotfiles.venv.ipython_magics
from __future__ import print_function
"""
IPython ``%magic`` commands
* ``cd`` aliases
* ``ds`` (``dotfiles_status``)
* ``dr`` (``dotfiles_reload``)
Installation
--------------
.. code-block:: bash
__DOTFILES="~/.dotfiles"
ipython_profile="profile_default"
ln -s ${__DOTFILES}/etc/ipython/ipython_magics.py \
~/.ipython/${ipython_profile}/startup/ipython_magics.py
"""
import os
try:
from IPython.core.magic import (Magics, magics_class, line_magic)
except ImportError:
print("ImportError: IPython")
# Mock IPython for building docs
Magics = object
magics_class = lambda cls, *args, **kwargs: cls
line_magic = lambda func, *args, **kwargs: func
@magics_class
class VenvMagics(Magics):
[docs] def cd(self, envvar, line):
[docs] """
Change directory
Args:
envvar (str): os.environ variable name
line (str): path to append to envvar
"""
prefix = os.environ.get(envvar, "")
path = os.path.join(prefix, line)
return self.shell.magic('cd %s' % path)
@line_magic
def cdhome(self, line):
[docs] """cdhome -- cd $HOME/${@}"""
return self.cd('HOME', line)
@line_magic
def cdh(self, line):
[docs] """cdh -- cd $HOME/${@}"""
return self.cd('HOME', line)
@line_magic
def cdwrk(self, line):
[docs] """cdwrk -- cd $__WRK/${@}"""
return self.cd('__WRK', line)
@line_magic
def cddotfiles(self, line):
[docs] """cddotfiles -- cd $__DOTFILES/${@}"""
return self.cd('__DOTFILES', line)
@line_magic
def cdd(self, line):
[docs] """cdd -- cd $__DOTFILES/${@}"""
return self.cd('__DOTFILES', line)
@line_magic
def cdprojecthome(self, line):
[docs] """cdprojecthome -- cd $PROJECT_HOME/${@}"""
return self.cd('PROJECT_HOME', line)
@line_magic
def cdp(self, line):
[docs] """cdp -- cd $PROJECT_HOME/${@}"""
return self.cd('PROJECT_HOME', line)
@line_magic
def cdph(self, line):
[docs] """cdph -- cd $PROJECT_HOME/${@}"""
return self.cd('PROJECT_HOME', line)
@line_magic
def cdworkonhome(self, line):
[docs] """cdworkonhome -- cd $WORKON_HOME/${@}"""
return self.cd('WORKON_HOME', line)
@line_magic
def cdwh(self, line):
[docs] """cdwh -- cd $WORKON_HOME/${@}"""
return self.cd('WORKON_HOME', line)
@line_magic
def cdve(self, line):
[docs] """cdve -- cd $WORKON_HOME/${@}"""
return self.cd('WORKON_HOME', line)
@line_magic
def cdcondahome(self, line):
[docs] """cdcondahome -- cd $CONDA_HOME/${@}"""
return self.cd('CONDA_HOME', line)
@line_magic
def cda(self, line):
[docs] """cda -- cd $CONDA_HOME/${@}"""
return self.cd('CONDA_HOME', line)
@line_magic
def cdce(self, line):
[docs] """cdce -- cd $CONDA_HOME/${@}"""
return self.cd('CONDA_HOME', line)
@line_magic
def cdvirtualenv(self, line):
[docs] """cdvirtualenv -- cd $VIRTUAL_ENV/${@}"""
return self.cd('VIRTUAL_ENV', line)
@line_magic
def cdv(self, line):
[docs] """cdv -- cd $VIRTUAL_ENV/${@}"""
return self.cd('VIRTUAL_ENV', line)
@line_magic
def cdsrc(self, line):
[docs] """cdsrc -- cd $_SRC/${@}"""
return self.cd('_SRC', line)
@line_magic
def cds(self, line):
[docs] """cds -- cd $_SRC/${@}"""
return self.cd('_SRC', line)
@line_magic
def cdwrd(self, line):
[docs] """cdwrd -- cd $_WRD/${@}"""
return self.cd('_WRD', line)
@line_magic
def cdw(self, line):
[docs] """cdw -- cd $_WRD/${@}"""
return self.cd('_WRD', line)
@line_magic
def cdbin(self, line):
[docs] """cdbin -- cd $_BIN/${@}"""
return self.cd('_BIN', line)
@line_magic
def cdb(self, line):
[docs] """cdb -- cd $_BIN/${@}"""
return self.cd('_BIN', line)
@line_magic
def cdetc(self, line):
[docs] """cdetc -- cd $_ETC/${@}"""
return self.cd('_ETC', line)
@line_magic
def cde(self, line):
[docs] """cde -- cd $_ETC/${@}"""
return self.cd('_ETC', line)
@line_magic
def cdlib(self, line):
[docs] """cdlib -- cd $_LIB/${@}"""
return self.cd('_LIB', line)
@line_magic
def cdl(self, line):
[docs] """cdl -- cd $_LIB/${@}"""
return self.cd('_LIB', line)
@line_magic
def cdlog(self, line):
[docs] """cdlog -- cd $_LOG/${@}"""
return self.cd('_LOG', line)
@line_magic
def cdpylib(self, line):
[docs] """cdpylib -- cd $_PYLIB/${@}"""
return self.cd('_PYLIB', line)
@line_magic
def cdpysite(self, line):
[docs] """cdpysite -- cd $_PYSITE/${@}"""
return self.cd('_PYSITE', line)
@line_magic
def cdsitepackages(self, line):
[docs] """cdsitepackages -- cd $_PYSITE/${@}"""
return self.cd('_PYSITE', line)
@line_magic
def cdvar(self, line):
[docs] """cdvar -- cd $_VAR/${@}"""
return self.cd('_VAR', line)
@line_magic
def cdwww(self, line):
[docs] """cdwww -- cd $_WWW/${@}"""
return self.cd('_WWW', line)
@line_magic
def cdww(self, line):
[docs] """cdww -- cd $_WWW/${@}"""
return self.cd('_WWW', line)
@line_magic
def cdhelp(self, line):
[docs] """cdhelp() -- list cd commands"""
for cdfunc in dir(self):
if cdfunc.startswith('cd') and cdfunc not in ('cdhelp','cd'):
docstr = getattr(self, cdfunc).__doc__.split('--',1)[-1].strip()
print("%%%-16s -- %s" % (cdfunc, docstr))
@staticmethod
def _dotfiles_status():
"""
Print ``dotfiles_status``: venv variables
"""
env_vars = [
'HOSTNAME',
'USER',
'PROJECT_HOME',
'WORKON_HOME',
'VIRTUAL_ENV_NAME',
'VIRTUAL_ENV',
'_USRLOG',
'_TERM_ID',
'_SRC',
'_APP',
'_WRD',
'PATH',
'__DOTFILES',
]
environ = dict((var, os.environ.get(var)) for var in env_vars)
environ['HOSTNAME'] = __import__('socket').gethostname()
for var in env_vars:
print('{}="{}"'.format(var, "%s" % environ.get(var,'')))
@line_magic
def dotfiles_status(self, line):
[docs] """dotfiles_status() -- print dotfiles_status() ."""
return self._dotfiles_status()
@line_magic
def ds(self, line):
[docs] """ds() -- print dotfiles_status() ."""
return self._dotfiles_status()
@staticmethod
def _dotfiles_reload():
"""_dotfiles_reload() -- print NotImplemented"""
print("NotImplemented: dotfiles_reload()")
@line_magic
def dotfiles_reload(self, line):
[docs] """dotfiles_reload() -- print NotImplemented"""
return self._dotfiles_reload()
@line_magic
def dr(self, line):
[docs] """dr() -- print NotImplemented [dotfiles_reload()]"""
return self._dotfiles_reload()
def main():
[docs] """
Register VenvMagics with IPython
"""
import IPython
ip = IPython.get_ipython()
ip.register_magics(VenvMagics)
if __name__ == "__main__":
main()