def format_task_error(headline, task, command, formatted_exception=None):
"""
Format a message body for an error email related to a luigi.task.Task
:param headline: Summary line for the message
:param task: `luigi.task.Task` instance where this error occurred
:param formatted_exception: optional string showing traceback
:return: message body
"""
if formatted_exception:
formatted_exception = wrap_traceback(formatted_exception)
else:
formatted_exception = ""
if email().format == 'html':
msg_template = textwrap.dedent('''
<html>
<body>
<h2>{headline}</h2>
<table style="border-top: 1px solid black; border-bottom: 1px solid black">
<thead>
<tr><th>name</th><td>{name}</td></tr>
</thead>
<tbody>
{param_rows}
</tbody>
</table>
</pre>
<h2>Command line</h2>
<pre>
{command}
</pre>
<h2>Traceback</h2>
{traceback}
</body>
</html>
''')
str_params = task.to_str_params()
params = '\n'.join('<tr><th>{}</th><td>{}</td></tr>'.format(*items)
for items in str_params.items())
body = msg_template.format(headline=headline,
name=task.task_family,
param_rows=params,
command=command,
traceback=formatted_exception)
else:
msg_template = textwrap.dedent('''\
{headline}
Name: {name}
Parameters:
{params}
Command line:
{command}
{traceback}
''')
str_params = task.to_str_params()
max_width = max([0] + [len(x) for x in str_params.keys()])
params = '\n'.join(' {:{width}}: {}'.format(*items, width=max_width)
for items in str_params.items())
body = msg_template.format(headline=headline,
name=task.task_family,
params=params,
command=command,
traceback=formatted_exception)
return body
def format_task_error(headline, task, formatted_exception=None):
"""
Format a message body for an error email related to a luigi.task.Task
:param headline: Summary line for the message
:param task: `luigi.task.Task` instance where this error occurred
:param formatted_exception: optional string showing traceback
:return: message body
"""
typ = email_type()
if formatted_exception:
formatted_exception = wrap_traceback(formatted_exception)
else:
formatted_exception = ""
if typ == 'html':
msg_template = textwrap.dedent('''
<html>
<body>
<h2>{headline}</h2>
<table style="border-top: 1px solid black; border-bottom: 1px solid black">
<thead>
<tr><th>name</th><td>{name}</td></tr>
</thead>
<tbody>
{param_rows}
</tbody>
</table>
</pre>
<h2>Traceback</h2>
{traceback}
</body>
</html>
''')
str_params = task.to_str_params()
params = '\n'.join('<tr><th>{}</th><td>{}</td></tr>'.format(*items) for items in str_params.items())
body = msg_template.format(headline=headline, name=task.task_family, param_rows=params,
traceback=formatted_exception)
else:
msg_template = textwrap.dedent('''\
{headline}
Name: {name}
Parameters:
{params}
{traceback}
''')
str_params = task.to_str_params()
max_width = max([0] + [len(x) for x in str_params.keys()])
params = '\n'.join(' {:{width}}: {}'.format(*items, width=max_width) for items in str_params.items())
body = msg_template.format(headline=headline, name=task.task_family, params=params,
traceback=formatted_exception)
return body
def get_hash(task):
hashables = {'cls': task.__class__.__name__, **task.to_str_params()}
hash_str = json.dumps(hashables, separators=(',', ':'), sort_keys=True)
task_hash = hashlib.md5(hash_str.encode('utf-8')).hexdigest()
return task_hash
