Struct InMemorySystem 

pub struct InMemorySystem { /* private fields */ }

Implementations

impl InMemorySystem

pub fn from_memory_fs(memory_fs: MemoryFileSystem) -> Self

pub fn fs(&self) -> &MemoryFileSystem

pub fn set_user_configuration_directory(&self, directory: Option<SystemPathBuf>)

Trait Implementations

impl Clone for InMemorySystem

fn clone(&self) -> InMemorySystem

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InMemorySystem

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for InMemorySystem

fn default() -> InMemorySystem

Returns the “default value” for a type.

impl System for InMemorySystem

fn path_metadata(&self, path: &SystemPath) -> Result<Metadata>

Reads the metadata of the file or directory at path.

fn canonicalize_path(&self, path: &SystemPath) -> Result<SystemPathBuf>

Returns the canonical, absolute form of a path with all intermediate components normalized and symbolic links resolved.

fn is_same_file(&self, first: &SystemPath, second: &SystemPath) -> Result<bool>

Returns true if both paths refer to the same file.

fn read_to_string(&self, path: &SystemPath) -> Result<String>

Reads the content of the file at path into a String.

fn read_to_notebook(&self, path: &SystemPath) -> Result<Notebook, NotebookError>

Reads the content of the file at path as a Notebook.

fn read_virtual_path_to_string( &self, path: &SystemVirtualPath, ) -> Result<String>

Reads the content of the virtual file at path into a String.

fn read_virtual_path_to_notebook( &self, path: &SystemVirtualPath, ) -> Result<Notebook, NotebookError>

Reads the content of the virtual file at path as a Notebook.

fn current_directory(&self) -> &SystemPath

Returns the current working directory

fn user_config_directory(&self) -> Option<SystemPathBuf>

Returns the directory path where user configurations are stored.

fn cache_dir(&self) -> Option<SystemPathBuf>

Returns the directory path where cached files are stored.

fn which(&self, _name: &str) -> WhichResult

Find an executable binary’s path by name.

fn read_directory<'a>( &'a self, path: &SystemPath, ) -> Result<Box<dyn Iterator<Item = Result<DirectoryEntry>> + 'a>>

Iterate over the contents of the directory at path.

fn walk_directory(&self, path: &SystemPath) -> WalkDirectoryBuilder

Recursively walks the content of path.

fn as_writable(&self) -> Option<&dyn WritableSystem>

Returns a handle to a WritableSystem if this system is writable.

fn as_any(&self) -> &dyn Any

fn as_any_mut(&mut self) -> &mut dyn Any

fn dyn_clone(&self) -> Box<dyn System>

fn source_type(&self, path: &SystemPath) -> Option<PySourceType>

Returns the source type for path if known or None.

fn virtual_path_source_type( &self, path: &SystemVirtualPath, ) -> Option<PySourceType>

Returns the source type for path if known or None.

fn run_command(&self, command: Command) -> Result<Output>

Runs command and captures its standard output and standard error.

fn command_executor(&self) -> Option<&dyn CommandExecutor>

Returns the system’s command executor, if it supports running commands.

fn path_exists(&self, path: &SystemPath) -> bool

Returns true if path exists.

fn is_directory(&self, path: &SystemPath) -> bool

Returns true if path exists and is a directory.

fn is_file(&self, path: &SystemPath) -> bool

Returns true if path exists and is a file.

fn env_var(&self, name: &str) -> Result<String, VarError>

Fetches the environment variable key from the current process.

impl WritableSystem for InMemorySystem

fn create_new_file(&self, path: &SystemPath) -> Result<()>

Creates a file at the given path.

fn write_file_bytes(&self, path: &SystemPath, content: &[u8]) -> Result<()>

Writes the given content to the file at the given path.

fn create_directory_all(&self, path: &SystemPath) -> Result<()>

Creates a directory at path as well as any intermediate directories.

fn dyn_clone(&self) -> Box<dyn WritableSystem>

fn write_file(&self, path: &SystemPath, content: &str) -> Result<()>

Writes the given content to the file at the given path.

fn get_or_cache( &self, path: &SystemPath, read_contents: &dyn Fn() -> Result<String>, ) -> Result<Option<SystemPathBuf>>

Reads the provided file from the system cache, or creates the file if necessary.