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-rw-r--r--dimension/dimension.in20
1 files changed, 17 insertions, 3 deletions
diff --git a/dimension/dimension.in b/dimension/dimension.in
index c637d26..d9cecb2 100644
--- a/dimension/dimension.in
+++ b/dimension/dimension.in
@@ -21,8 +21,9 @@
import argparse as _argparse
import re as _re
-import os.path as _path
+import os as _os
import sys as _sys
+from contextlib import contextmanager as _contextmanager
# Specialized parser to print --version output to stdout rather than stderr,
# to pass distcheck
@@ -33,6 +34,16 @@ class _DimensionArgumentParser(_argparse.ArgumentParser):
file.write(message)
_sys.exit(status)
+# Change the working directory within a with statement
+@_contextmanager
+def _chdir(newwd):
+ oldwd = _os.getcwd()
+ try:
+ _os.chdir(newwd)
+ yield
+ finally:
+ _os.chdir(oldwd)
+
# Parse the command line
_parser = _DimensionArgumentParser(
epilog = "@PACKAGE_STRING@\n"
@@ -102,7 +113,7 @@ else:
# Default output is basename(input).png
if _args.output is None:
- _noext = _path.splitext(_path.basename(_args.input))[0]
+ _noext = _os.path.splitext(_os.path.basename(_args.input))[0]
_args.output = _noext + ".png"
# Imports available to scripts
@@ -157,8 +168,11 @@ recursion_limit = None
if not _args.quiet:
print("Parsing scene ...")
+# Run with the script's dirname as the working directory
+_workdir = _os.path.dirname(_os.path.abspath(_args.input))
+
parse_timer = Timer()
-with open(_args.input) as _fh:
+with open(_args.input) as _fh, _chdir(_workdir):
exec(compile(_fh.read(), _args.input, "exec"))
parse_timer.stop()