Class: AgentHarness::Providers::Aider

Inherits:
Base
  • Object
show all
Defined in:
lib/agent_harness/providers/aider.rb

Overview

Aider AI coding assistant provider

Provides integration with the Aider CLI tool.

Constant Summary collapse

UV_VERSION =
"0.8.17"
SUPPORTED_CLI_VERSION =
"0.86.2"
SUPPORTED_CLI_REQUIREMENT =
Gem::Requirement.new(">= #{SUPPORTED_CLI_VERSION}", "< 0.87.0").freeze
PYTHON_VERSION =
"python3.12"
BINARY_PATH =
"/usr/local/bin/aider"
UV_TOOL_ENV =
{
  "UV_TOOL_BIN_DIR" => "/usr/local/bin",
  "UV_TOOL_DIR" => "/opt/uv/tools",
  "UV_PYTHON_INSTALL_DIR" => "/opt/uv/python"
}.freeze

Constants inherited from Base

Base::COMMON_ERROR_PATTERNS, Base::DEFAULT_SMOKE_TEST_CONTRACT

Instance Attribute Summary

Attributes inherited from Base

#config, #executor, #logger

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#configure, #initialize, #sandboxed_environment?, #send_message

Methods included from Adapter

#auth_type, #build_mcp_flags, #dangerous_mode_flags, #fetch_mcp_servers, #health_status, included, metadata_package_name, normalize_metadata_installation, normalize_metadata_source_type, normalize_metadata_version_requirement, #parse_rate_limit_reset, #send_message, #smoke_test, #smoke_test_contract, #supported_mcp_transports, #supports_dangerous_mode?, #supports_mcp?, #validate_config, #validate_mcp_servers!

Constructor Details

This class inherits a constructor from AgentHarness::Providers::Base

Class Method Details

.available?Boolean

Returns:

  • (Boolean)


29
30
31
32
# File 'lib/agent_harness/providers/aider.rb', line 29

def available?
  executor = AgentHarness.configuration.command_executor
  !!executor.which(binary_name)
end

.binary_nameObject



25
26
27
# File 'lib/agent_harness/providers/aider.rb', line 25

def binary_name
  "aider"
end

.discover_modelsObject



54
55
56
57
58
59
60
61
62
# File 'lib/agent_harness/providers/aider.rb', line 54

def discover_models
  return [] unless available?

  # Aider supports multiple model providers
  [
    {name: "gpt-4o", family: "gpt-4o", tier: "standard", provider: "aider"},
    {name: "claude-3-5-sonnet", family: "claude-3-5-sonnet", tier: "standard", provider: "aider"}
  ]
end

.firewall_requirementsObject



34
35
36
37
38
39
40
41
42
# File 'lib/agent_harness/providers/aider.rb', line 34

def firewall_requirements
  {
    domains: [
      "api.openai.com",
      "api.anthropic.com"
    ],
    ip_ranges: []
  }
end

.installation_contract(version: SUPPORTED_CLI_VERSION) ⇒ Object



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
# File 'lib/agent_harness/providers/aider.rb', line 64

def installation_contract(version: SUPPORTED_CLI_VERSION)
  version = version.strip if version.respond_to?(:strip)

  unless version.is_a?(String) && !version.empty?
    raise ArgumentError,
      "Unsupported Aider CLI version #{version.inspect}; " \
      "supported versions must satisfy #{SUPPORTED_CLI_REQUIREMENT}"
  end

  parsed_version = begin
    Gem::Version.new(version)
  rescue ArgumentError
    raise ArgumentError,
      "Unsupported Aider CLI version #{version.inspect}; " \
      "supported versions must satisfy #{SUPPORTED_CLI_REQUIREMENT}"
  end

  unless SUPPORTED_CLI_REQUIREMENT.satisfied_by?(parsed_version)
    raise ArgumentError,
      "Unsupported Aider CLI version #{version.inspect}; " \
      "supported versions must satisfy #{SUPPORTED_CLI_REQUIREMENT}"
  end

  default_package = "aider-chat==#{version}".freeze
  bootstrap_command = [
    "python3", "-m", "pip", "install", "--no-cache-dir", "--break-system-packages", "uv==#{UV_VERSION}"
  ].freeze
  install_command_prefix = [
    "uv", "tool", "install", "--force", "--python", PYTHON_VERSION, "--with", "pip"
  ].freeze
  install_command = (install_command_prefix + [default_package]).freeze
  supported_versions = [version].freeze
  version_requirement = SUPPORTED_CLI_REQUIREMENT.requirements
    .map { |op, ver| "#{op} #{ver}".freeze }
    .freeze

  contract = {
    source: :uv_tool,
    bootstrap_source: :pip,
    bootstrap_package: "uv==#{UV_VERSION}",
    bootstrap_commands: [bootstrap_command].freeze,
    install_environment: UV_TOOL_ENV,
    package: default_package,
    package_name: "aider-chat",
    version: version,
    version_format: "%{package_name}==%{version}",
    version_requirement: version_requirement,
    binary_name: binary_name,
    binary_path: BINARY_PATH,
    install_command_prefix: install_command_prefix,
    install_command: install_command,
    supported_versions: supported_versions
  }

  contract.each_value do |value|
    value.freeze if value.is_a?(String)
  end
  contract.freeze
end

.instruction_file_pathsObject



44
45
46
47
48
49
50
51
52
# File 'lib/agent_harness/providers/aider.rb', line 44

def instruction_file_paths
  [
    {
      path: ".aider.conf.yml",
      description: "Aider configuration file",
      symlink: false
    }
  ]
end

.provider_nameObject



21
22
23
# File 'lib/agent_harness/providers/aider.rb', line 21

def provider_name
  :aider
end

.smoke_test_contractObject



124
125
126
# File 'lib/agent_harness/providers/aider.rb', line 124

def smoke_test_contract
  Base::DEFAULT_SMOKE_TEST_CONTRACT
end

Instance Method Details

#capabilitiesObject



154
155
156
157
158
159
160
161
162
163
164
# File 'lib/agent_harness/providers/aider.rb', line 154

def capabilities
  {
    streaming: true,
    file_upload: true,
    vision: false,
    tool_use: true,
    json_mode: false,
    mcp: false,
    dangerous_mode: false
  }
end

#configuration_schemaObject



137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
# File 'lib/agent_harness/providers/aider.rb', line 137

def configuration_schema
  {
    fields: [
      {
        name: :model,
        type: :string,
        label: "Model",
        required: false,
        hint: "Model identifier (supports OpenAI, Anthropic, and other model names)",
        accepts_arbitrary: true
      }
    ],
    auth_modes: [:api_key],
    openai_compatible: false
  }
end

#display_nameObject



133
134
135
# File 'lib/agent_harness/providers/aider.rb', line 133

def display_name
  "Aider"
end

#error_patternsObject



166
167
168
169
170
171
# File 'lib/agent_harness/providers/aider.rb', line 166

def error_patterns
  COMMON_ERROR_PATTERNS.merge(
    auth_expired: COMMON_ERROR_PATTERNS[:auth_expired] + [/incorrect.*api.*key/i],
    transient: COMMON_ERROR_PATTERNS[:transient] + [/connection.*reset/i]
  )
end

#execution_semanticsObject



173
174
175
176
177
178
179
180
181
182
183
184
# File 'lib/agent_harness/providers/aider.rb', line 173

def execution_semantics
  {
    prompt_delivery: :flag,
    output_format: :text,
    sandbox_aware: false,
    uses_subcommand: false,
    non_interactive_flag: "--yes",
    legitimate_exit_codes: [0],
    stderr_is_diagnostic: true,
    parses_rate_limit_reset: false
  }
end

#nameObject



129
130
131
# File 'lib/agent_harness/providers/aider.rb', line 129

def name
  "aider"
end

#session_flags(session_id) ⇒ Object



190
191
192
193
# File 'lib/agent_harness/providers/aider.rb', line 190

def session_flags(session_id)
  return [] unless session_id && !session_id.empty?
  ["--restore-chat-history", session_id]
end

#supports_sessions?Boolean

Returns:

  • (Boolean)


186
187
188
# File 'lib/agent_harness/providers/aider.rb', line 186

def supports_sessions?
  true
end