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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:
dbg('possible completion: %s' % m)
if m.find(match) == 0:
if result is None: inst = all[m]
else: inst = getattr(result,m)
try: doc = inst.__doc__
except: doc = maindoc
typestr = str(inst)
if doc is None or doc == '': doc = maindoc
wrd = m[len(match):]
c = {'word':wrd, 'abbr':m, 'info':self._cleanstr(doc)}
if "function" in typestr:
c['word'] += '('
c['abbr'] += '(' + self._cleanstr(self.get_arguments(inst))
elif "method" in typestr:
c['word'] += '('
c['abbr'] += '(' + self._cleanstr(self.get_arguments(inst))
elif "module" in typestr:
c['word'] += '.'
elif "class" in typestr:
c['word'] += '('
c['abbr'] += '('
completions.append(c)
except:
i = sys.exc_info()
dbg("inner completion: %s,%s [stmt='%s']" % (i[0],i[1],stmt))
return completions
except:
i = sys.exc_info()
dbg("completion: %s,%s [stmt='%s']" % (i[0],i[1],stmt))
return []
class Scope(object):
def __init__(self,name,indent,docstr=''):
self.subscopes = []
self.docstr = docstr
self.locals = []
self.parent = None
self.name = name
self.indent = indent
def add(self,sub):
#print 'push scope: [%s@%s]' % (sub.name,sub.indent)
sub.parent = self
self.subscopes.append(sub)
return sub
def doc(self,str):
""" Clean up a docstring """
d = str.replace('\n',' ')
d = d.replace('\t',' ')
while d.find(' ') > -1: d = d.replace(' ',' ')
while d[0] in '"\'\t ': d = d[1:]
while d[-1] in '"\'\t ': d = d[:-1]
dbg("Scope(%s)::docstr = %s" % (self,d))
self.docstr = d
def local(self,loc):
self._checkexisting(loc)
self.locals.append(loc)
def copy_decl(self,indent=0):
""" Copy a scope's declaration only, at the specified indent level - not local variables """
return Scope(self.name,indent,self.docstr)
def _checkexisting(self,test):
"Convienance function... keep out duplicates"
if test.find('=') > -1:
var = test.split('=')[0].strip()
for l in self.locals:
if l.find('=') > -1 and var == l.split('=')[0].strip():
self.locals.remove(l)
def get_code(self):
str = ""
if len(self.docstr) > 0: str += '"""'+self.docstr+'"""\n'
for l in self.locals:
if l.startswith('import'): str += l+'\n'
str += 'class _PyCmplNoType:\n def __getattr__(self,name):\n return None\n'
for sub in self.subscopes:
str += sub.get_code()
for l in self.locals:
if not l.startswith('import'): str += l+'\n'
return str
def pop(self,indent):
#print 'pop scope: [%s] to [%s]' % (self.indent,indent)
outer = self
while outer.parent != None and outer.indent >= indent:
outer = outer.parent
return outer
def currentindent(self):
#print 'parse current indent: %s' % self.indent
return ' '*self.indent
def childindent(self):
#print 'parse child indent: [%s]' % (self.indent+1)
return ' '*(self.indent+1)
class Class(Scope):
def __init__(self, name, supers, indent, docstr=''):
Scope.__init__(self,name,indent, docstr)
self.supers = supers
def copy_decl(self,indent=0):
c = Class(self.name,self.supers,indent, self.docstr)
for s in self.subscopes:
c.add(s.copy_decl(indent+1))
return c
def get_code(self):
str = '%sclass %s' % (self.currentindent(),self.name)
if len(self.supers) > 0: str += '(%s)' % ','.join(self.supers)
str += ':\n'
if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n'
if len(self.subscopes) > 0:
for s in self.subscopes: str += s.get_code()
else:
str += '%spass\n' % self.childindent()
return str
class Function(Scope):
def __init__(self, name, params, indent, docstr=''):
Scope.__init__(self,name,indent, docstr)
self.params = params
def copy_decl(self,indent=0):
return Function(self.name,self.params,indent, self.docstr)
def get_code(self):
str = "%sdef %s(%s):\n" % \
(self.currentindent(),self.name,','.join(self.params))
if len(self.docstr) > 0: str += self.childindent()+'"""'+self.docstr+'"""\n'
str += "%spass\n" % self.childindent()
return str
class PyParser:
def __init__(self):
self.top = Scope('global',0)
self.scope = self.top
def _parsedotname(self,pre=None):
#returns (dottedname, nexttoken)
name = []
if pre is None:
tokentype, token, indent = self.next()
if tokentype != NAME and token != '*':
return ('', token)
else: token = pre
name.append(token)
while True:
tokentype, token, indent = self.next()
if token != '.': break
tokentype, token, indent = self.next()
if tokentype != NAME: break
name.append(token)
return (".".join(name), token)
def _parseimportlist(self):
imports = []
while True:
name, token = self._parsedotname()
if not name: break
name2 = ''
if token == 'as': name2, token = self._parsedotname()
imports.append((name, name2))
while token != "," and "\n" not in token:
tokentype, token, indent = self.next()
if token != ",": break
return imports
def _parenparse(self):
name = ''
names = []
level = 1
while True:
tokentype, token, indent = self.next()
if token in (')', ',') and level == 1:
if '=' not in name: name = name.replace(' ', '')
names.append(name.strip())
name = ''
if token == '(':
level += 1
name += "("
elif token == ')':
level -= 1
if level == 0: break
else: name += ")"
elif token == ',' and level == 1:
pass
else:
name += "%s " % str(token)
return names
def _parsefunction(self,indent):
self.scope=self.scope.pop(indent)
tokentype, fname, ind = self.next()
if tokentype != NAME: return None
tokentype, open, ind = self.next()
if open != '(': return None
params=self._parenparse()
tokentype, colon, ind = self.next()
if colon != ':': return None
return Function(fname,params,indent)
def _parseclass(self,indent):
self.scope=self.scope.pop(indent)
tokentype, cname, ind = self.next()
if tokentype != NAME: return None
super = []
tokentype, next, ind = self.next()
if next == '(':
super=self._parenparse()
elif next != ':': return None
return Class(cname,super,indent)
def _parseassignment(self):
assign=''
tokentype, token, indent = self.next()
if tokentype == tokenize.STRING or token == 'str':
return '""'
elif token == '(' or token == 'tuple':
return '()'
elif token == '[' or token == 'list':
return '[]'
elif token == '{' or token == 'dict':
return '{}'
elif tokentype == tokenize.NUMBER:
return '0'
elif token == 'open' or token == 'file':
return 'file'
elif token == 'None':
return '_PyCmplNoType()'
elif token == 'type':
return 'type(_PyCmplNoType)' #only for method resolution
else:
assign += token
level = 0
while True:
tokentype, token, indent = self.next()
if token in ('(','{','['):
level += 1
elif token in (']','}',')'):
level -= 1
if level == 0: break
elif level == 0:
if token in (';','\n'): break
assign += token
return "%s" % assign
def next(self):
type, token, (lineno, indent), end, self.parserline = self.gen.next()
if lineno == self.curline:
#print 'line found [%s] scope=%s' % (line.replace('\n',''),self.scope.name)
self.currentscope = self.scope
return (type, token, indent)
def _adjustvisibility(self):
newscope = Scope('result',0)
scp = self.currentscope
while scp != None:
if type(scp) == Function:
slice = 0
#Handle 'self' params
if scp.parent != None and type(scp.parent) == Class:
slice = 1
newscope.local('%s = %s' % (scp.params[0],scp.parent.name))
for p in scp.params[slice:]:
i = p.find('=')
if len(p) == 0: continue
pvar = ''
ptype = ''
if i == -1:
pvar = p
ptype = '_PyCmplNoType()'
else:
pvar = p[:i]
ptype = _sanitize(p[i+1:])
if pvar.startswith('**'):
pvar = pvar[2:]
ptype = '{}'
elif pvar.startswith('*'):
pvar = pvar[1:]
ptype = '[]'
newscope.local('%s = %s' % (pvar,ptype))
for s in scp.subscopes:
ns = s.copy_decl(0)
newscope.add(ns)
for l in scp.locals: newscope.local(l)
scp = scp.parent
self.currentscope = newscope
return self.currentscope
#p.parse(vim.current.buffer[:],vim.eval("line('.')"))
def parse(self,text,curline=0):
self.curline = int(curline)
buf = cStringIO.StringIO(''.join(text) + '\n')
self.gen = tokenize.generate_tokens(buf.readline)
self.currentscope = self.scope
try:
freshscope=True
while True:
tokentype, token, indent = self.next()
#dbg( 'main: token=[%s] indent=[%s]' % (token,indent))
if tokentype == DEDENT or token == "pass":
self.scope = self.scope.pop(indent)
elif token == 'def':
func = self._parsefunction(indent)
if func is None:
print "function: syntax error..."
continue
dbg("new scope: function")
freshscope = True
self.scope = self.scope.add(func)
elif token == 'class':
cls = self._parseclass(indent)
if cls is None:
print "class: syntax error..."
continue
freshscope = True
dbg("new scope: class")
self.scope = self.scope.add(cls)
elif token == 'import':
imports = self._parseimportlist()
for mod, alias in imports:
loc = "import %s" % mod
if len(alias) > 0: loc += " as %s" % alias
self.scope.local(loc)
freshscope = False
elif token == 'from':
mod, token = self._parsedotname()
if not mod or token != "import":
print "from: syntax error..."
continue
names = self._parseimportlist()
for name, alias in names:
loc = "from %s import %s" % (mod,name)
if len(alias) > 0: loc += " as %s" % alias
self.scope.local(loc)
freshscope = False
elif tokentype == STRING:
if freshscope: self.scope.doc(token)
elif tokentype == NAME:
name,token = self._parsedotname(token)
if token == '=':
stmt = self._parseassignment()
dbg("parseassignment: %s = %s" % (name, stmt))
if stmt != None:
self.scope.local("%s = %s" % (name,stmt))
freshscope = False
except StopIteration: #thrown on EOF
pass
except:
dbg("parse error: %s, %s @ %s" %
(sys.exc_info()[0], sys.exc_info()[1], self.parserline))
return self._adjustvisibility()
def _sanitize(str):
val = ''
level = 0
for c in str:
if c in ('(','{','['):
level += 1
elif c in (']','}',')'):
level -= 1
elif level == 0:
val += c
return val
sys.path.extend(['.','..'])
PYTHONEOF
endfunction
call s:DefPython()
" vim: set et ts=4:
| .. | |||||
| xml | |||||
| README.txt | |||||
| ada.vim | |||||
| adacomplete.vim | |||||
| ccomplete.vim | |||||
| clojurecomplete.vim | |||||
| csscomplete.vim | |||||
| decada.vim | |||||
| getscript.vim | |||||
| gnat.vim | |||||
| gzip.vim | |||||
| htmlcomplete.vim | |||||
| javascriptcomplete.vim | |||||
| netrw.vim | |||||
| netrwFileHandlers.vim | |||||
| netrwSettings.vim | |||||
| paste.vim | |||||
| phpcomplete.vim | |||||
| python3complete.vim | |||||
| pythoncomplete.vim | |||||
| rubycomplete.vim | |||||
| spellfile.vim | |||||
| sqlcomplete.vim | |||||
| syntaxcomplete.vim | |||||
| tar.vim | |||||
| tohtml.vim | |||||
| vimball.vim | |||||
| xmlcomplete.vim | |||||
| zip.vim |