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#!/usr/bin/env python3
import os
import sys
import neovim
try:
nvim_socket = os.environ["NVIM"]
except KeyError:
sys.stderr.write("Not inside Neovim terminal")
sys.exit(1)
nvim = neovim.attach('socket', path=nvim_socket)
class GetReg:
def name(self):
return "getreg"
def usage(self):
return "[register]"
def descr(self):
return "Prints the contents of a Neovim register to stdout."
def run(self, args):
register = args[0]
print(nvim.funcs.getreg(register))
class PutReg:
def name(self):
return "setreg"
def usage(self):
return "<register> [content]"
def descr(self):
return "Puts [content] into <register>. If no content is " + \
"provided, it is read from stdin"
def run(self, args):
register = args[0]
if len(args) > 1:
lines = " ".join(args[1:])
else:
lines = sys.stdin.read()
lines = lines.splitlines()
if len(lines) == 1:
lines = lines[0]
nvim.funcs.setreg(register, lines)
class Feedkeys:
def name(self):
return "feedkeys"
def usage(self):
return "[args]"
def descr(self):
return "Feedkeys from args to neovim. If args is empty, stdin is used."
def run(self, args):
if len(args) < 1:
keys = sys.stdin.read()
else:
keys = "".join(args)
nvim.funcs.feedkeys(keys)
commands = [GetReg(), PutReg(), Feedkeys()]
def print_help():
sys.stderr.write("USAGE %s <command> [args...]\n" % sys.argv[0])
sys.stderr.write("commands:\n")
for c in commands:
sys.stderr.write("\t%s: %s\n" % (c.name(), c.descr()))
if len(sys.argv) < 2:
print_help()
sys.exit(1)
cmd = sys.argv[1]
args = sys.argv[2:]
for c in commands:
if cmd == c.name():
sys.exit(c.run(args) or 0)
sys.stderr.write("Unknown command %s\n" % cmd)
print_help()
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