Files
flees/code/utils/utils.py
2018-06-29 10:10:33 +03:00

150 lines
4.1 KiB
Python

import os
from datetime import datetime
from flask import current_app as app
try:
from urllib.request import pathname2url
from urllib.request import URLopener
from urllib.request import urlparse
from urllib.error import HTTPError
except ImportError:
from urllib import pathname2url
from urllib import URLopener
from urlparse import urlparse
from urllib2 import HTTPError
def download_url(url,filename):
downloader = URLopener()
try:
downloader.retrieve(url, filename)
except HTTPError as e:
return (False, ("%s %s"%(e.code,e.reason), e.code))
return (True, ("OK", 200 ))
def file_date_human(num):
return datetime.fromtimestamp(
num
).strftime(app.config['DATE_FORMAT'])
def file_stat(path, filename):
full_path = os.path.join(path, filename)
s = os.stat(full_path)
return {
'size': file_size_MB(s.st_size),
'mtime': file_date_human(s.st_mtime),
'name': filename,
'url': path2url(filename)
}
def file_size_human(num,HTML=True):
space = ' ' if HTML else ' '
for x in [space + 'B', 'KB', 'MB', 'GB', 'TB']:
if num < 1024.0:
if x == space + 'B':
return "%d%s%s" % (num, space, x)
return "%3.1f%s%s" % (num, space, x)
num /= 1024.0
def file_size_MB(num):
return "{:,.2f}".format(num/(1024*1024))
def get_folder_size(path):
total_size = 0
for dirpath, dirnames, filenames in os.walk(path):
for f in filenames:
fp = os.path.join(dirpath, f)
total_size += os.path.getsize(fp)
return total_size
def get_or_none(key,d,none = None):
if key in d:
return d[key]
else:
return none
def get_script_url(public_url, share, end_point, token = "[TOKEN]"):
cmd = None
doc = None
if get_or_none("direct_links", share) and end_point == "download":
end_point = "direct"
url = "%s/script/%s/%s/%s"%(
public_url,
end_point,
share['name'],
token
)
if end_point in ( "download", "direct"):
cmd = 'curl -s %s | bash /dev/stdin [-f]'%( url, )
doc = 'Download all files in the share. -f to force overwrite existing files.'
if end_point == "client":
cmd = 'python <( curl -s %s )'%( url, )
doc = 'Console client to download and upload files.'
if end_point == "upload_split":
cmd = 'curl -s %s | python - [-s split_size_in_Mb] file_to_upload.ext [second.file.ext]'%( url, )
doc = 'Upload files to the share. -s to set splitting size.'
return {'cmd': cmd, 'doc': doc}
def is_path_safe(path):
if path.startswith("."):
return False
if "/." in path:
return False
return True
def is_valid_url(url, qualifying = None):
min_attributes = ('scheme', 'netloc')
qualifying = min_attributes if qualifying is None else qualifying
token = urlparse(url)
return all([getattr(token, qualifying_attr)
for qualifying_attr in qualifying])
def iter_folder_files(path, recursive = True):
if recursive:
for dirpath, dirnames, filenames in os.walk(path, topdown = False):
relative_path = os.path.relpath(dirpath,path)
dirnames.sort()
if "/." in relative_path:
continue
if relative_path == ".":
relative_path = ""
for f in sorted(filenames):
if f.startswith("."):
continue
fp = os.path.join(relative_path, f)
yield fp
else:
for file in sorted(path):
fp = os.path.join(path,file)
if os.path.isdir(fp):
continue
if file.startswith("."):
continue
yield fp
def path2url(path):
return pathname2url(path)
def safe_name(s):
return safe_string(s, "-_")
def safe_path(s):
return safe_string(s, "-_/")
def safe_string(s, valid):
""" return a safe string, replace non alnum characters with _ . all characters in valid are considered valid. """
return "".join([c if c.isalnum() or c in valid else "_" for c in s])