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broke everything

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This commit is contained in:
Gil Forsyth 2016-09-14 11:05:31 -04:00
parent c817301eca
commit e59ad33295
1 changed files with 28 additions and 13 deletions
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41
xonsh/xontribs.py
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@ -30,10 +30,6 @@ def xontrib_context(name):
"""Return a context dictionary for a xontrib of a given name.""" """Return a context dictionary for a xontrib of a given name."""
spec = find_xontrib(name) spec = find_xontrib(name)
if spec is None: if spec is None:
with warnings.catch_warnings():
warnings.simplefilter('default', ImportWarning)
warnings.warn(prompt_xontrib_install(name),
ImportWarning)
return {} return {}
m = importlib.import_module(spec.name) m = importlib.import_module(spec.name)
pubnames = getattr(m, '__all__', None) pubnames = getattr(m, '__all__', None)
@ -44,24 +40,39 @@ def xontrib_context(name):
return ctx return ctx
def prompt_xontrib_install(name): def prompt_xontrib_install(names):
"""Returns a formatted string with name of xontrib package to prompt user""" """Returns a formatted string with name of xontrib package to prompt user"""
md = xontrib_metadata() md = xontrib_metadata()
install_str = ('xontrib "{xontrib}" is not installed. \n' packages = []
'To install it run \n' for name in names:
' pip install {package}') for xontrib in md['xontribs']:
for xontrib in md['xontribs']: if xontrib['name'] == name:
if xontrib['name'] == name: packages.append(xontrib['package'])
return install_str.format(xontrib=name, package=xontrib['package'])
warn_str = ('The following xontribs are enabled but not installed: \n'
' {xontribs}\n'
'To install them run \n'
' pip install {packages}').format(xontribs=' '.join(names),
packages=' '.join(packages))
def update_context(name, ctx=None): with warnings.catch_warnings():
warnings.simplefilter('default', ImportWarning)
warnings.warn(warn_str, ImportWarning)
# return install_str.format(xontrib=name, package=xontrib['package'])
# install_str = ('xontrib "{xontrib}" is not installed. \n'
# 'To install it run \n'
# ' pip install {package}')
def update_context(name, ctx=None, missing_specs=[]):
"""Updates a context in place from a xontrib. If ctx is not provided, """Updates a context in place from a xontrib. If ctx is not provided,
then __xonsh_ctx__ is updated. then __xonsh_ctx__ is updated.
""" """
if ctx is None: if ctx is None:
ctx = builtins.__xonsh_ctx__ ctx = builtins.__xonsh_ctx__
modctx = xontrib_context(name) modctx = xontrib_context(name)
if modctx == {}:
missing_specs.append(name)
return ctx.update(modctx) return ctx.update(modctx)
@ -76,10 +87,14 @@ def xontrib_metadata():
def _load(ns): def _load(ns):
"""load xontribs""" """load xontribs"""
ctx = builtins.__xonsh_ctx__ ctx = builtins.__xonsh_ctx__
missing_specs = []
for name in ns.names: for name in ns.names:
if ns.verbose: if ns.verbose:
print('loading xontrib {0!r}'.format(name)) print('loading xontrib {0!r}'.format(name))
update_context(name, ctx=ctx) update_context(name, ctx=ctx, missing_specs=missing_specs)
print(missing_specs)
if missing_specs:
prompt_xontrib_install(missing_specs)
def _list(ns): def _list(ns):