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show error massage only once #24

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show error massage only once #24

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24 changes: 19 additions & 5 deletions pythonx/ncm_r.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,16 @@
from omnils import add_snippet_var_inside_brackets


def only_first(func):
cache = {}
def wrap(self, message):
if message not in cache:
func(self, message)
cache[message] = 1
return wrap



class Source(Rsource): # pylint: disable=R0902
"""Completion Manager Source for R language"""

Expand All @@ -36,6 +46,10 @@ def __init__(self, nvim):
self.get_nvimr_settings()
self.get_all_pkg_matches()

@only_first
def error(self, message):
self._error(message)

def get_nvimr_settings(self):
"""Get Nvim-R settings to read completion files"""

Expand All @@ -44,7 +58,7 @@ def get_nvimr_settings(self):
self._settings['nvimr_tmp'] = self.nvim.eval('g:rplugin_tmpdir')
self._settings['nvimr_cmp'] = self.nvim.eval('g:rplugin_compldir')
except NvimError:
self._error('Can\'t load Nvim-R options. '
self.error('Can\'t load Nvim-R options. '
'Did you install the Nvim-R plugin?')

self._info("NVIMR_ID: {}, tmp: {}, cmp: {}".format(
Expand All @@ -60,7 +74,7 @@ def check_nvimr_started(self):
self.get_nvimr_settings()

if self._settings['nvimr_id'] == '':
self._error('Can\'t find $NVIMR_ID. '
self.error('Can\'t find $NVIMR_ID. '
'Please start R using Nvim-R '
'(default mapping: <localleader>rf).')
return False
Expand All @@ -81,7 +95,7 @@ def update_loaded_pkgs(self):
pkg_loaded = self.nvim.eval('g:rplugin_loaded_libs')
self._pkg_loaded = list(reversed(pkg_loaded))
except NvimError:
self._error('Can\'t find loaded R packages. '
self.error('Can\'t find loaded R packages. '
'Please start R using Nvim-R '
'(default mapping: <localleader>rf).')
raise
Expand Down Expand Up @@ -153,11 +167,11 @@ def get_all_pkg_matches(self):

self._pkg_matches.extend(self.matches.from_pkg_desc(descriptions))
except FileNotFoundError:
self._error('Can\'t find completion files. Please load the '
self.error('Can\'t find completion files. Please load the '
'R packages you need (e.g. "base" or "utils").')
raise
except Exception as error:
self._error('Could not load completion data', error)
self.error('Could not load completion data', error)
raise

def get_data_matches(self):
Expand Down