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import random
import string
def list_or_args(keys, args):
# returns a single new list combining keys and args
try:
iter(keys)
# a string or bytes instance can be iterated, but indicates
# keys wasn't passed as a list
if isinstance(keys, (bytes, str)):
keys = [keys]
else:
keys = list(keys)
except TypeError:
keys = [keys]
if args:
keys.extend(args)
return keys
def nativestr(x):
"""Return the decoded binary string, or a string, depending on type."""
r = x.decode("utf-8", "replace") if isinstance(x, bytes) else x
if r == "null":
return
return r
def delist(x):
"""Given a list of binaries, return the stringified version."""
if x is None:
return x
return [nativestr(obj) for obj in x]
def parse_to_list(response):
"""Optimistically parse the response to a list."""
res = []
if response is None:
return res
for item in response:
try:
res.append(int(item))
except ValueError:
try:
res.append(float(item))
except ValueError:
res.append(nativestr(item))
except TypeError:
res.append(None)
return res
def parse_list_to_dict(response):
res = {}
for i in range(0, len(response), 2):
if isinstance(response[i], list):
res["Child iterators"].append(parse_list_to_dict(response[i]))
elif isinstance(response[i + 1], list):
res["Child iterators"] = [parse_list_to_dict(response[i + 1])]
else:
try:
res[response[i]] = float(response[i + 1])
except (TypeError, ValueError):
res[response[i]] = response[i + 1]
return res
def parse_to_dict(response):
if response is None:
return {}
res = {}
for det in response:
if isinstance(det[1], list):
res[det[0]] = parse_list_to_dict(det[1])
else:
try: # try to set the attribute. may be provided without value
try: # try to convert the value to float
res[det[0]] = float(det[1])
except (TypeError, ValueError):
res[det[0]] = det[1]
except IndexError:
pass
return res
def random_string(length=10):
"""
Returns a random N character long string.
"""
return "".join( # nosec
random.choice(string.ascii_lowercase) for x in range(length)
)
def quote_string(v):
"""
RedisGraph strings must be quoted,
quote_string wraps given v with quotes incase
v is a string.
"""
if isinstance(v, bytes):
v = v.decode()
elif not isinstance(v, str):
return v
if len(v) == 0:
return '""'
v = v.replace('"', '\\"')
return f'"{v}"'
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