B 2‹d8ã@sXUdZddlZddlZddlZddlZddlmZddlmZddlmZddlm Z ddl m Z gZ e e d<gZe e d <d aee d œd d „Zdd„Zdd„Zdd„ZGdd„deƒZdd„Ze dej¡Zdd„Zdd„Ze dej¡Zdd„Zd d!„Zd"d#„Zd$d%„Z ed3d'd(„ƒZ!ed)d*„ƒZ"ed+d,„ƒZ#ed-d.„ƒZ$ed/d0„ƒZ%ed1d2„ƒZ&dS)4z-Utilities for identifying local IP addresses.éN)ÚPIPE)ÚPopen)ÚIterable)ÚList)ÚwarnÚ LOCAL_IPSÚ PUBLIC_IPSÚ)ÚelemsÚreturncCs8tƒ}g}x(|D] }||kr| |¡| |¡qW|S)z£uniq_stable(elems) -> list Return from an iterable, a list of all the unique elements in the input, maintaining the order in which they first appear. )ÚsetÚappendÚadd)r ÚseenÚvalueÚx©rúk/work/yifan.wang/ringdown/master-ringdown-env/lib/python3.7/site-packages/jupyter_client/localinterfaces.pyÚ _uniq_stables  rcCsld}tjdkr&t ¡}|jtjO_t|tt|d}| ¡\}}|j r`t d||  dd¡fƒ‚|  dd¡S)z4Get output of a command, raising IOError if it failsNÚnt)ÚstdoutÚstderrÚ startupinfozFailed to run %s: %sÚutf8Úreplace) ÚosÚnameÚ subprocessZ STARTUPINFOZdwFlagsZSTARTF_USESHOWWINDOWrrÚ communicateÚ returncodeÚIOErrorÚdecode)ÚcmdrÚprrrrrÚ _get_output#s  r$csdˆ_‡fdd„}|S)z%decorator to only run a function onceFcsˆjr dSˆf|Ž}dˆ_|S)NT)Úcalled)ÚkwargsÚret)ÚfrrÚwrapped4s  z_only_once..wrapped)r%)r(r)r)r(rÚ _only_once0s r*cs‡fdd„}|S)z2decorator to ensure load_ips has been run before fcstƒˆ||ŽS)N)Ú _load_ips)Úargsr&)r(rrÚ ips_loadedAsz!_requires_ips..ips_loadedr)r(r-r)r(rÚ _requires_ips>s r.c@s eZdZdS)Ú NoIPAddressesN)Ú__name__Ú __module__Ú __qualname__rrrrr/Isr/cCs”|st‚g}g}x4|D],}| |¡| d¡s:| |¡qts|aqWtrRtdkrbda| dt¡| ddg¡t|ƒtdd…<t|ƒtdd…<dS)z7populate local and public IPs from flat list of all IPsz127.z 127.0.0.1rz0.0.0.0r N) r/r Ú startswithÚ LOCALHOSTÚinsertÚextendrrr)ÚaddrsÚ public_ipsÚ local_ipsÚiprrrÚ_populate_from_listMs       r;zinet\b.*?(\d+\.\d+\.\d+\.\d+)cCsry tdƒ}Wntk r(tdƒ}YnX| ¡}g}x.|D]&}t | ¡¡}|r<| | d¡¡qdgtdd…<YnXzxy\t ¡}t |¡dtdd…<| d¡sœtdd„tDƒƒrœt t ¡d¡dtdd…<Wntjk r´YnXWdttƒtdd…<t  t¡Xt  dd g¡ttƒtdd…<td a dS) zJload ip addresses with socket.gethostbyname_ex This can be slow. Ú localhostrJNz 127.0.0.1z.localcss|]}| d¡VqdS)Z127N)r3)Ú.0r:rrrú Çsz*_load_ips_gethostbyname..z0.0.0.0r r) ÚsocketÚgethostbyname_exrÚerrorÚ gethostnamerÚendswithÚallrr6r4)ÚhostnamerrrÚ_load_ips_gethostbyname·s "  rdcCs&datddgtdd…<gtdd…<dS)z&Fallback in case of unexpected failurez 127.0.0.1z0.0.0.0r N)r4rrrrrrÚ_load_ips_dumb×sreTc CsÎyŽytƒStk rYnXtjdkrJytƒSttfk rFYqŠXn@ytƒSttfk rhYnXytƒSttfk rˆYnXt ƒSt k rÂ}z|s¦‚t d|ƒWdd}~XYnXt ƒdS)aGload the IPs that point to this machine This function will only ever be called once. It will use netifaces to do it quickly if available. Then it will fallback on parsing the output of ifconfig / ip addr / ipconfig, as appropriate. Finally, it will fallback on socket.gethostbyname_ex, which can be slow. rz9Unexpected error discovering local network interfaces: %sN) rYÚ ImportErrorrrrSr>r/rPrHrdÚ Exceptionrre)Zsuppress_exceptionsÚerrrr+ßs0  r+cCstS)z2return the IP addresses that point to this machine)rrrrrr9 sr9cCstS)zKreturn the IP addresses for this machine that are visible to other machines)rrrrrr8sr8cCstS)z1return ip for localhost (almost always 127.0.0.1))r4rrrrrZsrZcCs|tkS)z does `ip` point to this machine?)r)r:rrrÚ is_local_ipsricCs|tkS)z#is `ip` a publicly visible address?)r)r:rrrÚ is_public_ip%srj)T)'Ú__doc__rÚrer]rrrÚtypingrrÚwarningsrrÚ__annotations__rr4rr$r*r.rgr/r;ÚcompileÚ IGNORECASEr@rHrPrRrSrYrdrer+r9r8rZrirjrrrrÚsB             -