Made some chages to the "run_standard_drc.py" script so that it
can be run on a file that is in a non-writeable directory. In
that case, the current directory will be used for the DRC script
file and the output text file.
diff --git a/sky130/custom/scripts/run_standard_drc.py b/sky130/custom/scripts/run_standard_drc.py
index 02f2cf7..73a7e5c 100755
--- a/sky130/custom/scripts/run_standard_drc.py
+++ b/sky130/custom/scripts/run_standard_drc.py
@@ -102,8 +102,21 @@
# Generate the DRC Tcl script
+ # If magpath is writeable, then continue. If not, then if the
+ # current working directory is writeable, use it.
+ if not os.access(magpath, os.W_OK):
+ if os.access(os.getcwd(), os.W_OK):
+ scriptpath = os.getcwd()
+ # The output .txt file won't be writeable, either.
+ output_file = os.path.join(scriptpath, os.path.split(output_file)[1])
+ else:
+ print('Error: Neither the path of the layout or the current directory is writeable.')
+ return
+ else:
+ scriptpath = magpath
+
print('Evaluating full DRC results for layout ' + layout_name)
- with open(magpath + '/run_magic_drc.tcl', 'w') as ofile:
+ with open(scriptpath + '/run_magic_drc.tcl', 'w') as ofile:
print('# run_magic_drc.tcl ---', file=ofile)
print('# batch script for running DRC', file=ofile)
print('', file=ofile)
@@ -149,7 +162,7 @@
print('Running: magic -dnull -noconsole -rcfile ' + rcfile + ' run_magic_drc.tcl')
print('Running in directory: ' + magpath)
mproc = subprocess.run(['magic', '-dnull', '-noconsole', '-rcfile',
- rcfile, 'run_magic_drc.tcl'],
+ rcfile, scriptpath + '/run_magic_drc.tcl'],
env = myenv, cwd = magpath,
stdin = subprocess.DEVNULL, stdout = subprocess.PIPE,
stderr = subprocess.PIPE, universal_newlines = True)
