/usr/lib/python2.7/dist-packages/pymol/plugins/repository.py is in pymol 1.8.4.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 | '''
PyMOL Plugins Engine, Repository Support
This code is in very experimental state!
(c) 2011-2012 Thomas Holder, PyMOL OS Fellow
License: BSD-2-Clause
'''
from __future__ import print_function
try:
import urllib.request as urllib2
from urllib.parse import urlparse
from urllib.error import URLError, HTTPError
except ImportError:
import urllib2
from urlparse import urlparse
from urllib2 import URLError
from .installation import supported_extensions
def urlopen(url):
'''
urlopen wrapper with timeout from preferences ("network_timeout").
The timeout does not effect the "urlopen" call itself, that takes 20sec
for unavailable urls in my tests. Also "socket.setdefaulttimeout" does
not change that.
'''
from . import pref_get
timeout = pref_get('network_timeout', 10.0)
return urllib2.urlopen(url, timeout=timeout)
class Repository():
'''
Abstract repository class
All open/read operations should raise IOError on failure.
'''
def __init__(self, url):
self.url = url
def list(self):
'''
Return a list of filenames
'''
try:
return self.list_indexfile()
except:
return self.list_scan()
def list_indexfile(self):
s = self.retrieve('pluginindex.txt')
return s.splitlines()
def list_scan(self):
raise NotImplementedError
def retrieve(self, name):
'''
Return file content as string
'''
raise NotImplementedError
def copy(self, name, dst):
'''
Copy file. The destination may be a directory. Returns the copy file name.
'''
import os
if os.path.isdir(dst):
dst = os.path.join(dst, os.path.basename(name))
content = self.retrieve(name)
f = open(dst, 'wb')
f.write(content)
f.close()
return dst
def is_supported(self, name):
if len(name) == 0 or name[0] in ['.', '_']:
return False
for ext in supported_extensions:
if name.endswith(ext):
return True
return False
def get_full_url(self, name):
import re
baseurl = re.sub(r'/[^/]*$', '', self.url)
return baseurl + '/' + name
class HttpRepository(Repository):
'''
HTML page over HTTP
'''
def list_scan(self):
import re
# fetch as string
handle = urlopen(self.url)
content = handle.read()
# clear comments
re_comment = re.compile(r'<!\s*--.*?--\s*>', re.DOTALL)
content = re_comment.sub('', content)
# find links
names = []
re_a = re.compile(r'<a\s+(.*?)>')
re_href = re.compile(r'''href\s*=\s*(\S+|".+?"|'.+?')''')
re_anchor = re.compile(r'#.*')
for attribs in re_a.findall(content):
for name in re_href.findall(attribs):
if name[0] in ['"', "'"]:
if name[0] != name[-1]:
continue
name = name[1:-1]
if '#' in name:
name = re_anchor.sub('', name)
# filter for supported types
if self.is_supported(name):
names.append(name)
return names
def retrieve(self, name):
url = self.get_full_url(name)
handle = urlopen(url)
content = handle.read()
handle.close()
return content
def get_full_url(self, name):
import re
if '://' in name:
return name
if name.startswith('/'):
baseurl = '/'.join(self.url.split('/')[:3])
else:
baseurl = re.sub(r'/[^/]*$', '', self.url)
return baseurl + '/' + name
class GithubRepository(HttpRepository):
'''
http://developer.github.com/v3/
Inherit HttpRepository to reuse "retrieve" method.
'''
def __init__(self, url):
import re
m = re.search(r'github.com[:/]([^/]+)/([^/]+)', url)
if m is None:
raise KeyError('cannot parse github.com url')
self.user = m.group(1)
self.repo = m.group(2)
if self.repo.endswith('.git'):
self.repo = self.repo[:-4]
# for now: only support main repository
assert self.user == 'Pymol-Scripts'
assert self.repo == 'Pymol-script-repo'
# for HttpRepository.retrieve
self.url = 'https://github.com/%s/%s/raw/master/' % (self.user, self.repo)
def list_scan(self):
sha = 'master'
r = self.fetchjson('/repos/%s/%s/git/trees/%s' % (self.user, self.repo, sha))
names = []
for d in r['tree']:
if d['type'] != 'blob':
continue
name = d['path']
if self.is_supported(name):
names.append(name)
return names
list = list_scan
def fetchjson(self, url):
import json
handle = urlopen('https://api.github.com' + url)
return json.loads(handle.read())
class LocalRepository(Repository):
def __init__(self, url):
r = urlparse(url)
self.url = r.path
def list_scan(self):
import os
names = os.listdir(self.url)
return list(filter(self.is_supported, names))
def retrieve(self, name):
url = self.get_full_url(name)
handle = open(url, "rb")
content = handle.read()
handle.close()
return content
def copy(self, name, dst):
import shutil
url = self.get_full_url(name)
shutil.copy(url, dst)
return dst
def get_full_url(self, name):
import os
return os.path.join(self.url, name)
def guess(url):
u = url.lower()
if 'github.com' in u:
return GithubRepository(url)
if u.startswith('http://') or \
u.startswith('https://'):
return HttpRepository(url)
if u.startswith('file://') or \
u.startswith('/'):
return LocalRepository(url)
raise KeyError('cannot guess repository type')
def fetchscript(title, dest=None, run=1, quiet=1):
'''
DESCRIPTION
Fetch script from PyMOLWiki or Pymol-script-repo
Returns filename on success, or None on failure.
ARGUMENTS
title = string: Wiki page title or full URL
'''
import re, os
from pymol import cmd, CmdException
title = title.strip()
quiet = int(quiet)
if dest is None:
dest = cmd.get('fetch_path')
# remove hash
if '#' in title:
title = title.split('#')[0]
# github
git_master = 'https://raw.github.com/Pymol-Scripts/Pymol-script-repo/master/'
m = re.match(r'https://(raw\.)?github\.com/.+', title)
if m is not None:
filename = url = title
if not m.group(1):
url = url.replace('/blob/', '/raw/', 1)
rawscript = 1
# pymolwiki
elif '://' not in title or 'pymolwiki.org' in title:
if title.startswith('http'):
a = title.split('pymolwiki.org/index.php/', 2)
if len(a) == 2:
title = a[1]
else:
m = re.search(r'[?&]title=([^&]+)', title)
if m is not None:
title = m.group(1)
else:
raise CmdException('Failed to parse URL: ' + title)
title = title[0].upper() + title[1:].replace(' ','_')
url = "http://pymolwiki.org/index.php?title=%s&action=raw" % (title)
filename = title + '.py'
rawscript = 0
# any url
else:
filename = url = title
rawscript = 1
filename = os.path.join(dest, filename.rsplit('/')[-1])
if os.path.exists(filename):
if not quiet:
print('File "%s" exists, will not redownload')
else:
if not quiet:
print('Downloading', url)
# get page content
try:
handle = urlopen(url)
content = handle.read()
except IOError as e:
raise CmdException(e, "Plugin-Error")
if not rawscript:
# redirect
redirect = re.match(r'\s*#REDIRECT\s*\[\[(.*?)\]\]', content)
if redirect is not None:
return fetchscript(redirect.group(1), dest, run, quiet)
# parse Infobox
pattern2 = re.compile(r'\{\{Infobox script-repo.*?\| *filename *= *([^|\s]+).*?\}\}', re.DOTALL)
chunks2 = pattern2.findall(content)
if len(chunks2) > 0:
try:
return fetchscript(git_master + chunks2[0], dest, run, quiet)
except HTTPError:
print('Warning: Infobox filename found, but download failed')
# parse for <source ...>...</source>
pattern = re.compile(r'<(?:source|syntaxhighlight)\b[^>]*>(.*?)</(?:source|syntaxhighlight)>', re.DOTALL)
chunks = pattern.findall(content)
# check script-chunks for cmd.extend
chunks = [s for s in chunks if 'cmd.extend' in s]
if len(chunks) == 0:
raise CmdException('No <source> or <syntaxhighlight> block with cmd.extend found')
if len(chunks) > 1:
print('Warning: %d chunks found, only saving first' % (len(chunks)))
content = chunks[0]
handle = open(filename, 'w')
handle.write(content)
handle.close()
if int(run):
cmd.do("run " + filename, echo=not quiet)
return filename
if __name__ == '__main__':
try:
import socket_hack
except ImportError:
pass
r1 = guess('http://pldserver1.biochem.queensu.ca/~rlc/work/pymol/')
print(r1.list())
r1 = guess('https://github.com/Pymol-Scripts/Pymol-script-repo')
print(r1.list())
r1 = guess('/opt/pymol-svn/modules/pmg_tk/startup')
print(r1.list())
# vi:expandtab:smarttab:sw=4
|