Files
flees/code/templates/client.py
2018-07-02 16:37:03 +03:00

326 lines
8.7 KiB
Python

#!/usr/bin/env python
import argparse, sys, os, subprocess, time, re, json
from subprocess import call, Popen, PIPE, STDOUT
import readline
import glob
from io import StringIO
try:
from tabulate import tabulate
except ImportError:
print("Install tabulate with: pip install --user tabulate")
def tabulate(table, headers):
value = []
value.append("\t".join(headers))
for row in table:
value.append("\t".join([str(c) for c in row]))
value.append("\n\nGet nicer tables by installing 'tabulate' package!\n")
return "\n".join(value)
ROOTURL="{{ rooturl }}"
SHARE="{{ name }}"
TOKEN="{{ token }}"
class Completer(object):
def __init__(self, choices = []):
self.choices = choices
self.space = re.compile('.*\s+$', re.M)
def _listdir(self, path):
"List directory 'root' appending the path separator to subdirs."
files = []
for name in os.listdir(path):
file_path = os.path.join(path, name)
if os.path.isdir(file_path):
name += os.sep
files.append(name)
return files
def _complete_path(self, path=None):
"Perform completion of filesystem path."
if not path:
return self._listdir('.')
path = os.path.expanduser(path)
dirname, rest = os.path.split(path)
tmp = dirname if dirname else '.'
res = [os.path.join(dirname, p)
for p in self._listdir(tmp) if p.startswith(rest)]
# more than one match, or single match which does not exist (typo)
if len(res) > 1 or not os.path.exists(path):
return res
# resolved to a single directory, so return list of files below it
if os.path.isdir(path):
return [os.path.join(path, p) for p in self._listdir(path)]
# exact file match terminates this completion
return [path + ' ']
def complete(self, text, state):
"Generic readline completion entry point."
buffer = readline.get_line_buffer()
if len(self.choices) == 0:
return (self._complete_path(buffer) + [None])[state]
# show all commands
if len(buffer) == 0:
return [c + ' ' for c in self.choices][state]
# resolve command to the implementation function
cmd = buffer.strip()
results = [c + ' ' for c in self.choices if c.startswith(cmd)] + [None]
return results[state]
def download_file(file, opts):
print("Download " + file['name'])
cmd = [
'curl','--create-dirs',
'-o', file['name'],
'%s%s/%s/%s/%s'%(
opts.rooturl,
"download",
opts.share,
opts.token,
file['url']
),
]
p = Popen(
cmd,
stderr = PIPE,
)
for char in iter(lambda: p.stderr.read(1), ''):
if not char:
return
sys.stderr.write(char)
sys.stderr.flush()
return
def menu(opts):
commands = [
'Download',
'Upload'
]
print_title("Main menu")
for i,command in enumerate(commands):
print(" %d. %s"%( i+1, command, ))
comp = Completer(choices = ["1","2"])
readline.set_completer(comp.complete)
print("\n[Empty to exit]")
choice = user_input("Number of action: ").strip()
if choice == "1":
menu_download(opts)
if choice == "2":
menu_upload(opts)
if choice == "":
sys.exit(0)
def menu_download(opts):
while True:
print_title("Download files")
files = json.loads(run_command("file/details", opts))
file_table = []
for f in files:
file_table.append((
f['name'],
float(f['size'].replace(",","")),
f['mtime']
))
print(tabulate(file_table, headers = ("Name", "Size [Mb]", "Modified")))
name_list = [x['name'] for x in files]
comp = Completer(choices = name_list)
# we want to treat '/' as part of a word, so override the delimiters
readline.set_completer(comp.complete)
print("\n[Empty to return, * globs]")
choice = user_input('Download file: ').strip()
if choice == "":
return
if "*" in choice:
choice = choice.replace('*','.*')
choice_re = re.compile(choice)
choices = [i for i,x in enumerate(name_list) if choice_re.match(x)]
else:
if choice not in name_list:
print("No such file")
continue
choices = [ name_list.index(choice) ]
for choice in choices:
download_file(files[choice], opts)
def menu_upload(opts):
while True:
print_title("Upload")
files = sorted(os.listdir("."))
file_table = []
for f in files:
if f.startswith("."):
continue
if os.path.isfile(f):
file_size = round(float(os.path.getsize(f)) / 1024 / 1024, 2)
else:
file_size = "[DIR]"
f += "/"
file_table.append((f, file_size))
print(tabulate(file_table, headers = ("Name", "Size [Mb]")))
comp = Completer(choices = [])
# we want to treat '/' as part of a word, so override the delimiters
readline.set_completer(comp.complete)
print("\n[Empty to return, * globs]")
choice = user_input('Upload file: ').strip()
if choice == "":
return
if "*" in choice:
choices = glob.glob(choice)
else:
if not os.path.exists(choice):
print("No such file")
continue
choices = [ choice ]
for choice in choices:
upload_file(choice, opts)
def parse_options():
parser = argparse.ArgumentParser(description='Flees client')
parser.add_argument('-s', action="store", type=int, dest="split", default = 32,
help = "Split size in megabytes [%(default)s]"
)
parser.add_argument('--rooturl', action="store", dest="rooturl",
default = ROOTURL,
help = "Address of Flees server [%(default)s]"
)
parser.add_argument('--share', action="store", dest="share",
default = SHARE,
help = "Name of Flees share [%(default)s]"
)
parser.add_argument('--token', action="store", dest="token",
default = TOKEN,
help = "API token for the share [%(default)s]"
)
return parser.parse_args()
def print_title(title):
status = "Share: %s, Server: %s"%(
opts.share,
opts.rooturl
)
pad = " "*((len(status) - len(title))/2)
print("\n".join((
"",
"="*len(status),
status,
pad + title + pad,
"="*len(status)
)))
def read_output(stream):
for char in iter(lambda: stream.read(1), ''):
if not char:
break
sys.stderr.write(char)
sys.stderr.flush()
stream.close()
def run_command(command, opts):
p = Popen(
[
'curl','-s',
'%s%s/%s/%s'%(opts.rooturl, command, opts.share, opts.token)
],
stdout=PIPE,
stderr=PIPE
)
stdout_data, stderr_data = p.communicate()
return stdout_data
def run_loop(opts):
try:
while True:
menu(opts)
except KeyboardInterrupt:
print("")
return
def upload_file(file, opts):
print("Upload "+file)
p = Popen(
"curl -s %s%s/%s/%s | python -u - -s %d %s"%(
opts.rooturl,
"script/upload_split",
opts.share,
opts.token,
opts.split,
file
),
stdout = PIPE,
shell = True
)
read_output(p.stdout)
return
cmd1 = [
'curl','-s',
'%s%s/%s/%s'%(
opts.rooturl,
"script/upload_split",
opts.share,
opts.token,
),
]
cmd2 = [
'python', '-',
'-s', str(opts.split),
file
]
p1 = Popen(
cmd1,
stderr = PIPE,
stdout = PIPE,
)
script, stderr = p1.communicate()
p2 = Popen(
cmd2,
stdin = PIPE,
stdout = PIPE,
stderr = PIPE,
bufsize = 1
)
p2.stdin.write(script)
p2.stdin.close()
for char in iter(lambda: p2.stderr.read(1), ''):
if not char:
break
sys.stderr.write(char)
sys.stderr.flush()
return
def user_input(arg):
try:
return raw_input(arg)
except NameError:
return input(arg)
def write_input(stream, string):
stream.write(string)
stream.close()
if __name__ == "__main__":
readline.set_completer_delims(' \t\n;')
readline.parse_and_bind("tab: complete")
opts = parse_options()
run_loop(opts)