nimbus-eth2/tests/consensus_spec/os_ops.nim

47 lines
1.4 KiB
Nim

# beacon_chain
# Copyright (c) 2023-2024 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [].}
import std/os
import stew/io2
export walkDir, PathComponent, walkDirRec, walkPattern, `/`, relativePath,
os.DirSep, os.splitPath
export io2.readAllBytes
proc fileExists*(path: string): bool = io2.isFile(path)
proc dirExists*(path: string): bool = io2.isDir(path)
proc readFile*(filename: string): string =
let res = io2.readAllChars(filename)
if res.isErr():
writeStackTrace()
try:
stderr.write "Could not load data from file \"", filename, "\"\n"
stderr.write "(" & $int(res.error()) & ") ", ioErrorMsg(res.error()), "\n"
except IOError:
discard
quit 1
res.get()
proc readFileChars*(path: string): string =
readFile(path)
proc readFileBytes*(path: string): seq[byte] =
let res = io2.readAllBytes(path)
if res.isErr():
writeStackTrace()
try:
stderr.write "Could not load data from file \"", path, "\"\n"
stderr.write "(" & $int(res.error()) & ") ", ioErrorMsg(res.error()), "\n"
except IOError:
discard
quit 1
res.get()