Current File : //lib/python3/dist-packages/landscape/lib/format.py
import inspect
import re
def format_object(object):
"""
Returns a fully-qualified name for the specified object, such as
'landscape.lib.format.format_object()'.
"""
if inspect.ismethod(object):
# FIXME If the method is implemented on a base class of
# object's class, the module name and function name will be
# from the base class and the method's class name will be from
# object's class.
name = repr(object).split(" ")[2]
return f"{object.__module__}.{name}()"
elif inspect.isfunction(object):
name = repr(object).split(" ")[1]
return f"{object.__module__}.{name}()"
return f"{object.__class__.__module__}.{object.__class__.__name__}"
def format_delta(seconds):
if not seconds:
seconds = 0.0
return f"{float(seconds):.02f}s"
def format_percent(percent):
if not percent:
percent = 0.0
return f"{float(percent):.02f}%"
def expandvars(pattern: str, **kwargs) -> str:
"""Expand the pattern by replacing the params with values in `kwargs`.
This implements a small subset of shell parameter expansion and the
patterns can only be in the following forms:
- ${parameter}
- ${parameter:offset} - start at `offset` to the end
- ${parameter:offset:length} - start at `offset` to `offset + length`
For simplicity, `offset` and `length` MUST be positive values.
"""
regex = re.compile(
r"\$\{([a-zA-Z][a-zA-Z0-9]*)(?::([0-9]+))?(?::([0-9]+))?\}",
re.MULTILINE,
)
values = {k: str(v) for k, v in kwargs.items()}
def _replace(match):
param = match.group(1)
result = values[param.lower()]
offset, length = match.group(2), match.group(3)
if offset:
start = int(offset)
end = None
if length:
end = start + int(length)
return result[start:end]
return result
return re.sub(regex, _replace, pattern)
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