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from pathlib import Path
import hashlib
import re
from datetime import timedelta
from typing import Optional
def get_gravatar_url(email):
# Trim leading and trailing whitespace from
# an email address and force all characters
# to lower case
address = str(email).strip().lower()
# Create a SHA256 hash of the final string
hash_object = hashlib.sha256(address.encode())
hash_hex = hash_object.hexdigest()
# Grab the actual image URL
return f"https://www.gravatar.com/avatar/{hash_hex}?d=mp"
def calculate_sha256(file):
sha256 = hashlib.sha256()
# Read the file in chunks to efficiently handle large files
for chunk in iter(lambda: file.read(8192), b""):
sha256.update(chunk)
return sha256.hexdigest()
def calculate_sha256_string(string):
# Create a new SHA-256 hash object
sha256_hash = hashlib.sha256()
# Update the hash object with the bytes of the input string
sha256_hash.update(string.encode("utf-8"))
# Get the hexadecimal representation of the hash
hashed_string = sha256_hash.hexdigest()
return hashed_string
def validate_email_format(email: str) -> bool:
if email.endswith("@localhost"):
return True
return bool(re.match(r"[^@]+@[^@]+\.[^@]+", email))
def sanitize_filename(file_name):
# Convert to lowercase
lower_case_file_name = file_name.lower()
# Remove special characters using regular expression
sanitized_file_name = re.sub(r"[^\w\s]", "", lower_case_file_name)
# Replace spaces with dashes
final_file_name = re.sub(r"\s+", "-", sanitized_file_name)
return final_file_name
def extract_folders_after_data_docs(path):
# Convert the path to a Path object if it's not already
path = Path(path)
# Extract parts of the path
parts = path.parts
# Find the index of '/data/docs' in the path
try:
index_data_docs = parts.index("data") + 1
index_docs = parts.index("docs", index_data_docs) + 1
except ValueError:
return []
# Exclude the filename and accumulate folder names
tags = []
folders = parts[index_docs:-1]
for idx, part in enumerate(folders):
tags.append("/".join(folders[: idx + 1]))
return tags
def parse_duration(duration: str) -> Optional[timedelta]:
if duration == "-1" or duration == "0":
return None
# Regular expression to find number and unit pairs
pattern = r"(-?\d+(\.\d+)?)(ms|s|m|h|d|w)"
matches = re.findall(pattern, duration)
if not matches:
raise ValueError("Invalid duration string")
total_duration = timedelta()
for number, _, unit in matches:
number = float(number)
if unit == "ms":
total_duration += timedelta(milliseconds=number)
elif unit == "s":
total_duration += timedelta(seconds=number)
elif unit == "m":
total_duration += timedelta(minutes=number)
elif unit == "h":
total_duration += timedelta(hours=number)
elif unit == "d":
total_duration += timedelta(days=number)
elif unit == "w":
total_duration += timedelta(weeks=number)
return total_duration
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