Newton_Editor/plugins/lsp_client/lsp_controller.py

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# Python imports
import subprocess
import threading
# Lib imports
from . import pylspclient
# Application imports
from .capabilities import Capabilities
class ReadPipe(threading.Thread):
def __init__(self, pipe):
threading.Thread.__init__(self)
self.pipe = pipe
def run(self):
line = self.pipe.readline().decode('utf-8')
while line:
line = self.pipe.readline().decode('utf-8')
class LSPController:
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def __init__(self, lsp_servers_config = {}):
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super().__init__()
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self.lsp_servers_config = lsp_servers_config
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self.lsp_clients = {}
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def _blame(self, response):
for d in response['diagnostics']:
if d['severity'] == 1:
print(f"An error occurs in {response['uri']} at {d['range']}:")
print(f"\t[{d['source']}] {d['message']}")
def _shutting_down(self):
keys = self.lsp_clients.keys()
for key in keys:
print(f"LSP Server: ( {key} ) Shutting Down...")
self.lsp_clients[key].shutdown()
self.lsp_clients[key].exit()
def _generate_client(self, language = "", server_proc = None):
if not language or not server_proc: return False
json_rpc_endpoint = pylspclient.JsonRpcEndpoint(server_proc.stdin, server_proc.stdout)
callbacks = {
"textDocument/symbolStatus": print,
"textDocument/publishDiagnostics": self._blame,
}
lsp_endpoint = pylspclient.LspEndpoint(json_rpc_endpoint, notify_callbacks = callbacks)
lsp_client = pylspclient.LspClient(lsp_endpoint)
self.lsp_clients[language] = lsp_client
return lsp_client
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def create_client(self, language = "", server_proc = None, initialization_options = None):
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if not language or not server_proc: return False
root_path = None
root_uri = 'file:///home/abaddon/Coding/Projects/Active/C_n_CPP_Projects/gtk/Newton/src/'
workspace_folders = [{'name': 'python-lsp', 'uri': root_uri}]
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lsp_client = self._generate_client(language, server_proc)
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lsp_client.initialize(
processId = server_proc.pid, \
rootPath = root_path, \
rootUri = root_uri, \
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initializationOptions = initialization_options, \
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capabilities = Capabilities.data, \
trace = "off", \
workspaceFolders = workspace_folders
)
lsp_client.initialized()
return True
def create_lsp_server(self, server_command: [] = []):
if not server_command: return None
server_proc = subprocess.Popen(server_command, stdin = subprocess.PIPE, stdout = subprocess.PIPE, stderr = subprocess.PIPE)
read_pipe = ReadPipe(server_proc.stderr)
read_pipe.start()
return server_proc
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def do_open(self, language_id, uri):
if language_id in self.lsp_clients.keys():
lsp_client = self.lsp_clients[language_id]
else:
lsp_client = self.load_lsp_server(language_id)
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if lsp_client:
self.register_opened_file(language_id, uri, lsp_client)
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def do_save(self, language_id, uri):
if language_id in self.lsp_clients.keys():
self.lsp_clients[language_id].didSave(
pylspclient.lsp_structs.TextDocumentIdentifier(uri)
)
def do_close(self, language_id, uri):
if language_id in self.lsp_clients.keys():
self.lsp_clients[language_id].didClose(
pylspclient.lsp_structs.TextDocumentIdentifier(uri)
)
def do_goto(self, language_id, uri, line, offset):
if language_id in self.lsp_clients.keys():
return self.lsp_clients[language_id].definition(
pylspclient.lsp_structs.TextDocumentIdentifier(uri),
pylspclient.lsp_structs.Position(line, offset)
)
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def load_lsp_server(self, language_id):
if not language_id in self.lsp_servers_config.keys():
return
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command = self.lsp_servers_config[language_id]["command"]
config_options = self.lsp_servers_config[language_id]["initialization_options"]
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if command:
server_proc = self.create_lsp_server(command)
if self.create_client(language_id, server_proc, config_options):
return self.lsp_clients[language_id]
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return None
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def register_opened_file(self, language_id = "", uri = "", lsp_client = None):
if not language_id or not uri: return
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text = open(uri[7:], "r").read()
version = 1
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lsp_client.didOpen(
pylspclient.lsp_structs.TextDocumentItem(uri, language_id, version, text)
)