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And `meta.config` already parsed as a list (`OptionList`) of dictionaries.
"""
# Try via pkgutil first,
# find any plugins.* modules, or main packages
if module:
search = plugin_base + kwargs.get("extra_base", [])
for base, sfx in itertools.product(search, [".py"]):
for base, sfx in itertools.product(search, [".py", "/__init__.py"]):
try:
#log.debug(f"mod={base} fn={filename}.py")
src = get_data(filename=module+sfx, decode=True, file_root=base)
if src:
break
except (IOError, OSError, FileNotFoundError):
continue # plugin_meta_extract() will print a notice later
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"config": [],
"doc": ""
}
# Extract coherent comment block
src = src.replace("\r", "")
if not literal:
src = rx.header.sub("", src)
src = rx.comment.search(src)
if not src:
log.warning("Couldn't read source meta information: %s", filename)
return meta
src = src.group(0)
src = rx.hash.sub("", src).strip()
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class rx:
"""
Pretty crude comment splitting approach. But works
well enough already. Technically a YAML parser would
do better; but is likely overkill.
"""
header = re.compile(r"""
(\A (
\#! \s+ /.+ | # shebang
<\?php .*
) $)+
""", re.M | re.X)
comment = re.compile(r"""(^ {0,4}#.*\n)+""", re.M)
hash = re.compile(r"""(^ {0,4}#{1,2} {0,3}\r*)""", re.M)
comment = re.compile(r"""
(^ [ ]{0,4} \# .*\n)+ | # general
(^ [ ]{0,4} // .*\n)+ | # C++-style
/\* [\s\S]+? \*/ | # C-multiline
<\# [\s\S]+? \#> | \{\# [\s\S]+? \#\} # PS/Perl
""", re.M | re.X)
hash = re.compile(r"""
(^ [ ]{0,4} [#*/]{1,2} [ ]{0,3})
""", re.M | re.X)
keyval = re.compile(r"""
^([\w-]+):(.*$(?:\n(?![\w-]+:).+$)*) # plain key:value lines
""", re.M | re.X)
config = re.compile(r"""
\{ ((?: [^\{\}]+ | \{[^\}]*\} )+) \} # JSOL/YAML scheme {...} dicts
| \< (.+?) \> # old <input> HTML style
""", re.X)
|