stderr

Author: jph00

fastcore/xtras.py

@@ -162,13 +162,13 @@ def repo_details(url):
     return res.split('/')[-2:]
 
 # Cell
-def run(cmd, *rest, ignore_ex=False, as_bytes=False):
+def run(cmd, *rest, ignore_ex=False, as_bytes=False, stderr=False):
     "Pass `cmd` (splitting with `shlex` if string) to `subprocess.run`; return `stdout`; raise `IOError` if fails"
     if rest: cmd = (cmd,)+rest
     elif isinstance(cmd,str): cmd = shlex.split(cmd)
     res = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
     stdout = res.stdout
-    if res.stderr: stdout += b' ;; ' + res.stderr
+    if stderr and res.stderr: stdout += b' ;; ' + res.stderr
     if not as_bytes: stdout = stdout.decode().strip()
     if ignore_ex: return (res.returncode, stdout)
     if res.returncode: raise IOError(stdout)

nbs/03_xtras.ipynb

@@ -618,7 +618,7 @@
     {
      "data": {
       "text/plain": [
-       "['g', 'a', 'b', 'd', 'f', 'e', 'c', 'h']"
+       "['g', 'a', 'f', 'c', 'e', 'd', 'h', 'b']"
       ]
      },
      "execution_count": null,
@@ -1044,13 +1044,13 @@
    "outputs": [],
    "source": [
     "#export\n",
-    "def run(cmd, *rest, ignore_ex=False, as_bytes=False):\n",
+    "def run(cmd, *rest, ignore_ex=False, as_bytes=False, stderr=False):\n",
     "    \"Pass `cmd` (splitting with `shlex` if string) to `subprocess.run`; return `stdout`; raise `IOError` if fails\"\n",
     "    if rest: cmd = (cmd,)+rest\n",
     "    elif isinstance(cmd,str): cmd = shlex.split(cmd)\n",
     "    res = subprocess.run(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)\n",
     "    stdout = res.stdout\n",
-    "    if res.stderr: stdout += b' ;; ' + res.stderr\n",
+    "    if stderr and res.stderr: stdout += b' ;; ' + res.stderr\n",
     "    if not as_bytes: stdout = stdout.decode().strip()\n",
     "    if ignore_ex: return (res.returncode, stdout)\n",
     "    if res.returncode: raise IOError(stdout)\n",

settings.ini

@@ -7,7 +7,7 @@ author = Jeremy Howard and Sylvain Gugger
 author_email = [email protected]
 copyright = fast.ai
 branch = master
-version = 1.3.17
+version = 1.3.18
 min_python = 3.6
 audience = Developers
 language = English