def _eval_content_variables(self, content):
""" replace all variables of string content with mapping value.
@param (str) content
@return (str) parsed content
e.g.
variable_mapping = {
"var_1": "abc",
"var_2": "def"
}
$var_1 => "abc"
$var_1#XYZ => "abc#XYZ"
/$var_1/$var_2/var3 => "/abc/def/var3"
${func($var_1, $var_2, xyz)} => "${func(abc, def, xyz)}"
"""
variables_list = extract_variables(content)
for variable_name in variables_list:
variable_value = self.get_bind_variable(variable_name)
if "${}".format(variable_name) == content:
# content is a variable
content = variable_value
else:
# content contains one or several variables
if not isinstance(variable_value, str):
variable_value = builtin_str(variable_value)
content = content.replace("${}".format(variable_name),
variable_value, 1)
return content
def get_timestamp(str_len=13):
""" get timestamp string, length can only between 0 and 16
"""
if isinstance(str_len, integer_types) and 0 < str_len < 17:
return builtin_str(time.time()).replace(".", "")[:str_len]
raise ParamsError("timestamp length can only between 0 and 16.")
def get_timestamp(str_len=13):
""" get timestamp string, length can only between 0 and 16
"""
if isinstance(str_len, integer_types) and 0 < str_len < 17:
return builtin_str(time.time()).replace(".", "")[:str_len]
raise ParamsError("timestamp length can only between 0 and 16.")
def parse_string_variables(content, variables_mapping):
""" parse string content with variables mapping.
Args:
content (str): string content to be parsed.
variables_mapping (dict): variables mapping.
Returns:
str: parsed string content.
Examples:
>>> content = "/api/users/$uid"
>>> variables_mapping = {"$uid": 1000}
>>> parse_string_variables(content, variables_mapping)
"/api/users/1000"
"""
variables_list = extract_variables(content)
for variable_name in variables_list:
variable_value = get_mapping_variable(variable_name, variables_mapping)
# TODO: replace variable label from $var to {{var}}
if "${}".format(variable_name) == content:
# content is a variable
content = variable_value
else:
# content contains one or several variables
if not isinstance(variable_value, str):
variable_value = builtin_str(variable_value)
content = content.replace("${}".format(variable_name),
variable_value, 1)
return content
def parse_string_variables(content, variables_mapping, functions_mapping):
""" parse string content with variables mapping.
Args:
content (str): string content to be parsed.
variables_mapping (dict): variables mapping.
Returns:
str: parsed string content.
Examples:
>>> content = "/api/users/$uid"
>>> variables_mapping = {"$uid": 1000}
>>> parse_string_variables(content, variables_mapping, {})
"/api/users/1000"
"""
variables_list = extract_variables(content)
for variable_name in variables_list:
variable_value = get_mapping_variable(variable_name, variables_mapping)
if variable_name == "request" and isinstance(variable_value, dict) \
and "url" in variable_value and "method" in variable_value:
# call setup_hooks action with $request
for key, value in variable_value.items():
variable_value[key] = parse_data(
value,
variables_mapping,
functions_mapping
)
parsed_variable_value = variable_value
elif "${}".format(variable_name) == variable_value:
# variable_name = "token"
# variables_mapping = {"token": "$token"}
parsed_variable_value = variable_value
else:
parsed_variable_value = parse_data(
variable_value,
variables_mapping,
functions_mapping,
raise_if_variable_not_found=False
)
variables_mapping[variable_name] = parsed_variable_value
# TODO: replace variable label from $var to {{var}}
if "${}".format(variable_name) == content:
# content is a variable
content = parsed_variable_value
else:
# content contains one or several variables
if not isinstance(parsed_variable_value, str):
parsed_variable_value = builtin_str(parsed_variable_value)
content = content.replace(
"${}".format(variable_name),
parsed_variable_value, 1
)
return content
def get_timestamp(str_len=13):
"""
获取时间戳字符串，长度只能在0到16之间
:param str_len:
:return:
"""
if isinstance(str_len, integer_types) and 0 < str_len < 17:
return builtin_str(time.time()).replace(".", "")[:str_len]
raise ParamsError("时间戳长度只能在0到16之间.")
def substitute_variables_with_mapping(content, mapping):
""" substitute variables in content with mapping
e.g.
@params
content = {
'request': {
'url': '/api/users/$uid',
'headers': {'token': '$token'}
}
}
mapping = {"$uid": 1000}
@return
{
'request': {
'url': '/api/users/1000',
'headers': {'token': '$token'}
}
}
"""
# TODO: refactor type check
if isinstance(content, bool):
return content
if isinstance(content, (numeric_types, type)):
return content
if not content:
return content
if isinstance(content, (list, set, tuple)):
return [
substitute_variables_with_mapping(item, mapping)
for item in content
]
if isinstance(content, dict):
substituted_data = {}
for key, value in content.items():
eval_key = substitute_variables_with_mapping(key, mapping)
eval_value = substitute_variables_with_mapping(value, mapping)
substituted_data[eval_key] = eval_value
return substituted_data
# content is in string format here
for var, value in mapping.items():
if content == var:
# content is a variable
content = value
else:
if not isinstance(value, str):
value = builtin_str(value)
content = content.replace(var, value)
return content
def substitute_variables(content, variables_mapping):
""" substitute variables in content with variables_mapping
Args:
content (str/dict/list/numeric/bool/type): content to be substituted.
variables_mapping (dict): variables mapping.
Returns:
substituted content.
Examples:
>>> content = {
'request': {
'url': '/api/users/$uid',
'headers': {'token': '$token'}
}
}
>>> variables_mapping = {"$uid": 1000}
>>> substitute_variables(content, variables_mapping)
{
'request': {
'url': '/api/users/1000',
'headers': {'token': '$token'}
}
}
"""
if isinstance(content, (list, set, tuple)):
return [
substitute_variables(item, variables_mapping)
for item in content
]
if isinstance(content, dict):
substituted_data = {}
for key, value in content.items():
eval_key = substitute_variables(key, variables_mapping)
eval_value = substitute_variables(value, variables_mapping)
substituted_data[eval_key] = eval_value
return substituted_data
if isinstance(content, basestring):
# content is in string format here
for var, value in variables_mapping.items():
if content == var:
# content is a variable
content = value
else:
if not isinstance(value, str):
value = builtin_str(value)
content = content.replace(var, value)
return content
def endswith(check_value, expect_value):
assert builtin_str(check_value).endswith(builtin_str(expect_value))
def startswith(check_value, expect_value):
assert builtin_str(check_value).startswith(builtin_str(expect_value))
def string_equals(check_value, expect_value):
assert builtin_str(check_value) == builtin_str(expect_value)
def string_equals(check_value, expect_value):
assert builtin_str(check_value) == builtin_str(expect_value)
def endswith(check_value, expect_value):
assert builtin_str(check_value).endswith(builtin_str(expect_value))
def startswith(check_value, expect_value):
assert builtin_str(check_value).startswith(builtin_str(expect_value))