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author | Daniel Silverstone <dsilvers@digital-scurf.org> | 2021-05-30 21:36:26 +0100 |
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committer | Daniel Silverstone <dsilvers@digital-scurf.org> | 2021-12-27 14:27:44 +0000 |
commit | 689eb6665eca5bf2a86ddb3c40e25e438dd72d0a (patch) | |
tree | 74213cce22ac40675e357a43bab60bf9701cbea9 /subplotlib | |
parent | dcc24d0c74a5af88253129e6e22023e8050cc72e (diff) | |
download | subplot-689eb6665eca5bf2a86ddb3c40e25e438dd72d0a.tar.gz |
datadir: Add open_read() method to Datadir context
Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
Diffstat (limited to 'subplotlib')
-rw-r--r-- | subplotlib/src/steplibrary/datadir.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/subplotlib/src/steplibrary/datadir.rs b/subplotlib/src/steplibrary/datadir.rs index 8aa6f00..88e6375 100644 --- a/subplotlib/src/steplibrary/datadir.rs +++ b/subplotlib/src/steplibrary/datadir.rs @@ -91,6 +91,17 @@ impl Datadir { .open(full_path)? } + /// Open a file for reading + #[throws(StepError)] + pub fn open_read<S: AsRef<Path>>(&self, subpath: S) -> File { + let full_path = self.canonicalise_filename(subpath)?; + OpenOptions::new() + .create(false) + .write(false) + .read(true) + .open(full_path)? + } + #[throws(StepError)] pub fn create_dir_all<S: AsRef<Path>>(&self, subpath: S) { let full_path = self.canonicalise_filename(subpath)?; |