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# |
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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2025 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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# Glances DAG (direct acyclic graph) for plugins dependencies. |
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# It allows to define DAG dependencies between plugins |
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# For the moment, it will be used only for Restful API interface |
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_plugins_graph = { |
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'*': ['alert'], # All plugins depend on alert plugin |
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'cpu': ['core'], |
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'load': ['core'], |
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'processlist': ['core', 'processcount'], |
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'programlist': ['processcount'], |
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'quicklook': ['fs', 'load'], |
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'vms': ['processcount'], |
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} |
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def get_plugin_dependencies(plugin_name, _graph=_plugins_graph): |
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"""Return all transitive dependencies for a given plugin (including global ones).""" |
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seen = set() |
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def _resolve(plugin): |
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if plugin in seen: |
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return |
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seen.add(plugin) |
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# Get direct dependencies of this plugin |
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deps = _graph.get(plugin, []) |
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for dep in deps: |
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_resolve(dep) |
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# Resolve dependencies for this plugin |
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_resolve(plugin_name) |
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# Add global ("*") dependencies |
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for dep in _graph.get('*', []): |
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_resolve(dep) |
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# Remove the plugin itself if present |
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seen.discard(plugin_name) |
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# Preserve order of discovery (optional, for deterministic results) |
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result = [] |
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added = set() |
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for dep in _graph.get(plugin_name, []) + _graph.get('*', []): |
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for d in _dfs_order(dep, _graph, set()): |
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if d not in added and d != plugin_name: |
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result.append(d) |
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added.add(d) |
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return [plugin_name] + result |
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def _dfs_order(plugin, graph, seen): |
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"""Helper to preserve depth-first order.""" |
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if plugin in seen: |
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return [] |
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seen.add(plugin) |
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order = [] |
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for dep in graph.get(plugin, []): |
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order.extend(_dfs_order(dep, graph, seen)) |
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order.append(plugin) |
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return order |
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nicolargo /
glances
