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"pythoncomplete.vim - Omni Completion for python
" Maintainer: Aaron Griffin <aaronmgriffin@gmail.com>
" Version: 0.9
" Last Updated: 18 Jun 2009
"
" Changes
" TODO:
" 'info' item output can use some formatting work
" Add an "unsafe eval" mode, to allow for return type evaluation
" Complete basic syntax along with import statements
" i.e. "import url<c-x,c-o>"
" Continue parsing on invalid line??
"
" v 0.9
" * Fixed docstring parsing for classes and functions
" * Fixed parsing of *args and **kwargs type arguments
" * Better function param parsing to handle things like tuples and
" lambda defaults args
"
" v 0.8
" * Fixed an issue where the FIRST assignment was always used instead of
" using a subsequent assignment for a variable
" * Fixed a scoping issue when working inside a parameterless function
"
"
" v 0.7
" * Fixed function list sorting (_ and __ at the bottom)
" * Removed newline removal from docs. It appears vim handles these better in
" recent patches
"
" v 0.6:
" * Fixed argument completion
" * Removed the 'kind' completions, as they are better indicated
" with real syntax
" * Added tuple assignment parsing (whoops, that was forgotten)
" * Fixed import handling when flattening scope
"
" v 0.5:
" Yeah, I skipped a version number - 0.4 was never public.
" It was a bugfix version on top of 0.3. This is a complete
" rewrite.
"
if !has('python')
echo "Error: Required vim compiled with +python"
finish
endif
function! pythoncomplete#Complete(findstart, base)
"findstart = 1 when we need to get the text length
if a:findstart == 1
let line = getline('.')
let idx = col('.')
while idx > 0
let idx -= 1
let c = line[idx]
if c =~ '\w'
continue
elseif ! c =~ '\.'
let idx = -1
break
else
break
endif
endwhile
return idx
"findstart = 0 when we need to return the list of completions
else
"vim no longer moves the cursor upon completion... fix that
let line = getline('.')
let idx = col('.')
let cword = ''
while idx > 0
let idx -= 1
let c = line[idx]
if c =~ '\w' || c =~ '\.'
let cword = c . cword
continue
elseif strlen(cword) > 0 || idx == 0
break
endif
endwhile
execute "python vimcomplete('" . cword . "', '" . a:base . "')"
return g:pythoncomplete_completions
endif
endfunction
function! s:DefPython()
python << PYTHONEOF
import sys, tokenize, cStringIO, types
from token import NAME, DEDENT, NEWLINE, STRING
debugstmts=[]
def dbg(s): debugstmts.append(s)
def showdbg():
for d in debugstmts: print "DBG: %s " % d
def vimcomplete(context,match):
global debugstmts
debugstmts = []
try:
import vim
def complsort(x,y):
try:
xa = x['abbr']
ya = y['abbr']
if xa[0] == '_':
if xa[1] == '_' and ya[0:2] == '__':
return xa > ya
elif ya[0:2] == '__':
return -1
elif y[0] == '_':
return xa > ya
else:
return 1
elif ya[0] == '_':
return -1
else:
return xa > ya
except:
return 0
cmpl = Completer()
cmpl.evalsource('\n'.join(vim.current.buffer),vim.eval("line('.')"))
all = cmpl.get_completions(context,match)
all.sort(complsort)
dictstr = '['
# have to do this for double quoting
for cmpl in all:
dictstr += '{'
for x in cmpl: dictstr += '"%s":"%s",' % (x,cmpl[x])
dictstr += '"icase":0},'
if dictstr[-1] == ',': dictstr = dictstr[:-1]
dictstr += ']'
#dbg("dict: %s" % dictstr)
vim.command("silent let g:pythoncomplete_completions = %s" % dictstr)
#dbg("Completion dict:\n%s" % all)
except vim.error:
dbg("VIM Error: %s" % vim.error)
class Completer(object):
def __init__(self):
self.compldict = {}
self.parser = PyParser()
def evalsource(self,text,line=0):
sc = self.parser.parse(text,line)
src = sc.get_code()
dbg("source: %s" % src)
try: exec(src) in self.compldict
except: dbg("parser: %s, %s" % (sys.exc_info()[0],sys.exc_info()[1]))
for l in sc.locals:
try: exec(l) in self.compldict
except: dbg("locals: %s, %s [%s]" % (sys.exc_info()[0],sys.exc_info()[1],l))
def _cleanstr(self,doc):
return doc.replace('"',' ').replace("'",' ')
def get_arguments(self,func_obj):
def _ctor(obj):
try: return class_ob.__init__.im_func
except AttributeError:
for base in class_ob.__bases__:
rc = _find_constructor(base)
if rc is not None: return rc
return None
arg_offset = 1
if type(func_obj) == types.ClassType: func_obj = _ctor(func_obj)
elif type(func_obj) == types.MethodType: func_obj = func_obj.im_func
else: arg_offset = 0
arg_text=''
if type(func_obj) in [types.FunctionType, types.LambdaType]:
try:
cd = func_obj.func_code
real_args = cd.co_varnames[arg_offset:cd.co_argcount]
defaults = func_obj.func_defaults or ''
defaults = map(lambda name: "=%s" % name, defaults)
defaults = [""] * (len(real_args)-len(defaults)) + defaults
items = map(lambda a,d: a+d, real_args, defaults)
if func_obj.func_code.co_flags & 0x4:
items.append("...")
if func_obj.func_code.co_flags & 0x8:
items.append("***")
arg_text = (','.join(items)) + ')'
except:
dbg("arg completion: %s: %s" % (sys.exc_info()[0],sys.exc_info()[1]))
pass
if len(arg_text) == 0:
# The doc string sometimes contains the function signature
# this works for alot of C modules that are part of the
# standard library
doc = func_obj.__doc__
if doc:
doc = doc.lstrip()
pos = doc.find('\n')
if pos > 0:
sigline = doc[:pos]
lidx = sigline.find('(')
ridx = sigline.find(')')
if lidx > 0 and ridx > 0:
arg_text = sigline[lidx+1:ridx] + ')'
if len(arg_text) == 0: arg_text = ')'
return arg_text
def get_completions(self,context,match):
dbg("get_completions('%s','%s')" % (context,match))
stmt = ''
if context: stmt += str(context)
if match: stmt += str(match)
try:
result = None
all = {}
ridx = stmt.rfind('.')
if len(stmt) > 0 and stmt[-1] == '(':
result = eval(_sanitize(stmt[:-1]), self.compldict)
doc = result.__doc__
if doc is None: doc = ''
args = self.get_arguments(result)
return [{'word':self._cleanstr(args),'info':self._cleanstr(doc)}]
elif ridx == -1:
match = stmt
all = self.compldict
else:
match = stmt[ridx+1:]
stmt = _sanitize(stmt[:ridx])
result = eval(stmt, self.compldict)
all = dir(result)
dbg("completing: stmt:%s" % stmt)
completions = []
try: maindoc = result.__doc__
except: maindoc = ' '
if maindoc is None: maindoc = ' '
for m in all:
if m == "_PyCmplNoType": continue #this is internal
try:
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