67 lines
1.6 KiB
Python
67 lines
1.6 KiB
Python
from datetime import datetime
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from flask import current_app as app
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def file_date_human(num):
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return datetime.fromtimestamp(num).strftime("%y-%m-%d")
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def file_time_human(num):
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return datetime.fromtimestamp(num).strftime("%y-%m-%d %H:%M")
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def file_size_human(num, HTML=True):
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space = " " if HTML else " "
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for x in [space + "B", "KB", "MB", "GB", "TB"]:
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if num < 1024.0:
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if x == space + "B":
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return "%d%s%s" % (num, space, x)
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return "%3.1f%s%s" % (num, space, x)
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num /= 1024.0
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def file_size_MB(num):
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return "{:,.2f}".format(num / (1024 * 1024))
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def get_or_none(key, d, none=None):
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if key in d:
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return d[key]
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else:
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return none
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def is_path_safe(path):
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if path.startswith("."):
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return False
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if "/." in path:
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return False
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return True
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def is_valid_url(url, qualifying=None):
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min_attributes = ("scheme", "netloc")
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qualifying = min_attributes if qualifying is None else qualifying
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token = urlparse(url)
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return all([getattr(token, qualifying_attr) for qualifying_attr in qualifying])
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def path2url(path):
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return pathname2url(path)
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def safe_name(s):
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return safe_string(s, "-_")
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def safe_path(s):
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return safe_string(s, "-_/")
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def safe_string(s, valid, no_repeat=False):
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"""return a safe string, replace non alnum characters with _ . all characters in valid are considered valid."""
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safe = "".join([c if c.isalnum() or c in valid else "_" for c in s])
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if no_repeat:
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safe = re.sub(r"_+", "_", safe)
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return safe
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