chemparseplot

`chemparseplot.parse.grammar._deps`#

Lazy loading for optional parsimonious (grammar track).

Added in version 1.9.9.

Module Contents#

Functions#

`grammar_available`	Return True if `parsimonious` can be imported.
`get_grammar_class`	Return `parsimonious.grammar.Grammar`, importing lazily.
`get_node_visitor_class`	Return `parsimonious.nodes.NodeVisitor`, importing lazily.
`reset_grammar_cache`	Clear cached parsimonious import state (tests only).

Data#

`_grammar_mod`
`_nodes_mod`
`_probe`
`_INSTALL_HINT`

API#

chemparseplot.parse.grammar._deps._grammar_mod: Any | None#: None

chemparseplot.parse.grammar._deps._nodes_mod: Any | None#: None

chemparseplot.parse.grammar._deps._probe: bool | None#: None

chemparseplot.parse.grammar._deps._INSTALL_HINT#: “parsimonious is not installed. Install with: pip install ‘chemparseplot[grammar]’ for grammar/AST te…”

chemparseplot.parse.grammar._deps.grammar_available() → bool[source]#: Return True if parsimonious can be imported.

chemparseplot.parse.grammar._deps.get_grammar_class() → Any[source]#: Return parsimonious.grammar.Grammar, importing lazily.

chemparseplot.parse.grammar._deps.get_node_visitor_class() → Any[source]#: Return parsimonious.nodes.NodeVisitor, importing lazily.

chemparseplot.parse.grammar._deps.reset_grammar_cache() → None[source]#: Clear cached parsimonious import state (tests only).