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utils.py
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utils.py
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import os
import json
def write_file(path, data):
with open(path, 'w') as f:
f.write(data)
def append_to_file(path, data):
with open(path, 'a') as f:
f.write(data + '\n')
def delete_file_contents(path):
open(path, 'w').close()
def file_to_set(file_name):
results = set()
try:
with open(file_name, 'rt') as f:
for line in f:
results.add(line.replace('\n', ''))
except FileNotFoundError:
return "File not found"
return results
def set_to_file(links, file_name):
with open(file_name, 'w') as f:
for l in sorted(links):
f.write(l + '\n')
class JSONValidator:
def __init__(self, data):
self.data = data
def validate(self):
if type(self.data) is not dict:
return False
return True
class CRUDJson:
def __init__(self, path, data):
self.path = path
self.data = data
def write_json_file(self):
validator = JSONValidator(self.data)
if not validator.validate():
return "Make sure the data is valid."
else:
with open(self.path, 'w') as f:
f.write(json.dumps(self.data, indent=4))
def read_json_file(self):
with open(self.path) as f:
try:
read_data = json.load(f)
except ValueError:
return "Make sure the data is valid."
return read_data
def update_json_file(self):
validator = JSONValidator(self.data)
if not validator.validate():
return "Make sure the data is valid."
else:
with open(self.path, 'r') as f:
try:
old_data = json.load(f)
except ValueError:
return "Make sure the data is valid."
old_data.update(self.data)
with open(self.path, 'w') as f:
f.write(json.dumps(self.data, indent=4))
def delete_json_file_contents(self):
open(self.path, 'w').close()
def delete_json_file(self):
if os.path.exists(self.path):
os.remove(self.path)
def dict_vals_to_string(a, b):
# convert a dictionary key and value to a string
return str(a), str(b)