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Opened 14 years ago

Closed 11 years ago

#7621 closed defect (fixed)

graphviz errors ignored without logging

Reported by: Hal Owned by: Ryan J Ollos
Priority: normal Component: MasterTicketsPlugin
Severity: normal Keywords:
Cc: Trac Release: 0.11

Description

ticket:7415 shows a case where it was difficult to debug, as the error is silently ignored.

In this case, the error comes from execution of an external program (dot) via the subprocess.Popen.communicate method

It would be helpful to log, at DEBUG level:

  • return code (at least if non-zero)
  • stderr output

My personal preference would be for all other functionality of master ticket to continue to work, but raising an exception is also reasonable.

Attachments (1)

patch.diff (3.1 KB) - added by Hal 14 years ago.
Patch to add logging of dot command errors

Download all attachments as: .zip

Change History (5)

Changed 14 years ago by Hal

Attachment: patch.diff added

Patch to add logging of dot command errors

comment:1 Changed 11 years ago by Ryan J Ollos

Owner: changed from Noah Kantrowitz to Ryan J Ollos
Status: newassigned

Patch can be simplified a bit, but otherwise looks good.

comment:2 Changed 11 years ago by Ryan J Ollos

Example of error message:

08:44:06 PM Trac[graphviz] ERROR: dot dot failed with code 1: Format:
"png2" not recognized. Use one of: canon cmap cmapx cmapx_np dot eps fig
gd gd2 gif gv imap imap_np ismap jpe jpeg jpg pdf plain plain-ext png ps
ps2 svg svgz tk vml vmlz vrml wbmp x11 xdot xlib

comment:3 Changed 11 years ago by Ryan J Ollos

(In [12946]) Refs #7621: Log errors from calling GraphViz.

comment:4 Changed 11 years ago by Ryan J Ollos

Resolution: fixed
Status: assignedclosed

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