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Allow customizing the LSP binary #125

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Allow customizing the LSP binary #125

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47e8e4e
Allow customizing the LSP binary (rust-analyzer only, for now)
jsimonrichard Oct 1, 2025
b1d4956
Fix type
jsimonrichard Oct 1, 2025
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6 changes: 6 additions & 0 deletions src/multilspy/language_servers/rust_analyzer/rust_analyzer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,12 @@ def setup_runtime_dependencies(self, logger: MultilspyLogger, config: MultilspyC
"""
Setup runtime dependencies for rust_analyzer.
"""

if config.custom_lsp_binary:
path = os.path.abspath(config.custom_lsp_binary)
assert os.path.exists(path)
return path

platform_id = PlatformUtils.get_platform_id()

with open(os.path.join(os.path.dirname(__file__), "runtime_dependencies.json"), "r") as f:
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3 changes: 3 additions & 0 deletions src/multilspy/multilspy_config.py
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Expand Up @@ -4,6 +4,7 @@

from enum import Enum
from dataclasses import dataclass
from typing import Optional

class Language(str, Enum):
"""
Expand Down Expand Up @@ -33,6 +34,8 @@ class MultilspyConfig:
code_language: Language
trace_lsp_communication: bool = False
start_independent_lsp_process: bool = True
# Only works for Rust Analyzer
custom_lsp_binary: Optional[str] = None

@classmethod
def from_dict(cls, env: dict):
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