1 # -*- coding: utf-8 -*- 2 3 #------------------------------------------------------------------------- 4 # drawElements Quality Program utilities 5 # -------------------------------------- 6 # 7 # Copyright 2015 The Android Open Source Project 8 # 9 # Licensed under the Apache License, Version 2.0 (the "License"); 10 # you may not use this file except in compliance with the License. 11 # You may obtain a copy of the License at 12 # 13 # http://www.apache.org/licenses/LICENSE-2.0 14 # 15 # Unless required by applicable law or agreed to in writing, software 16 # distributed under the License is distributed on an "AS IS" BASIS, 17 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 # See the License for the specific language governing permissions and 19 # limitations under the License. 20 # 21 #------------------------------------------------------------------------- 22 23 import os 24 import sys 25 import shutil 26 import tarfile 27 import hashlib 28 import argparse 29 import subprocess 30 import ssl 31 import stat 32 33 sys.path.append(os.path.join(os.path.dirname(__file__), "..", "scripts")) 34 35 from build.common import * 36 37 EXTERNAL_DIR = os.path.realpath(os.path.normpath(os.path.dirname(__file__))) 38 39 def computeChecksum (data): 40 return hashlib.sha256(data).hexdigest() 41 42 def onReadonlyRemoveError (func, path, exc_info): 43 os.chmod(path, stat.S_IWRITE) 44 os.unlink(path) 45 46 class Source: 47 def __init__(self, baseDir, extractDir): 48 self.baseDir = baseDir 49 self.extractDir = extractDir 50 51 def clean (self): 52 fullDstPath = os.path.join(EXTERNAL_DIR, self.baseDir, self.extractDir) 53 # Remove read-only first 54 readonlydir = os.path.join(fullDstPath, ".git", "objects", "pack") 55 if os.path.exists(readonlydir): 56 shutil.rmtree(readonlydir, onerror = onReadonlyRemoveError ) 57 if os.path.exists(fullDstPath): 58 shutil.rmtree(fullDstPath, ignore_errors=False) 59 60 class SourcePackage (Source): 61 def __init__(self, url, filename, checksum, baseDir, extractDir = "src", postExtract=None): 62 Source.__init__(self, baseDir, extractDir) 63 self.url = url 64 self.filename = filename 65 self.checksum = checksum 66 self.archiveDir = "packages" 67 self.postExtract = postExtract 68 69 def clean (self): 70 Source.clean(self) 71 self.removeArchives() 72 73 def update (self, cmdProtocol = None): 74 if not self.isArchiveUpToDate(): 75 self.fetchAndVerifyArchive() 76 77 if self.getExtractedChecksum() != self.checksum: 78 Source.clean(self) 79 self.extract() 80 self.storeExtractedChecksum(self.checksum) 81 82 def removeArchives (self): 83 archiveDir = os.path.join(EXTERNAL_DIR, pkg.baseDir, pkg.archiveDir) 84 if os.path.exists(archiveDir): 85 shutil.rmtree(archiveDir, ignore_errors=False) 86 87 def isArchiveUpToDate (self): 88 archiveFile = os.path.join(EXTERNAL_DIR, pkg.baseDir, pkg.archiveDir, pkg.filename) 89 if os.path.exists(archiveFile): 90 return computeChecksum(readFile(archiveFile)) == self.checksum 91 else: 92 return False 93 94 def getExtractedChecksumFilePath (self): 95 return os.path.join(EXTERNAL_DIR, pkg.baseDir, pkg.archiveDir, "extracted") 96 97 def getExtractedChecksum (self): 98 extractedChecksumFile = self.getExtractedChecksumFilePath() 99 100 if os.path.exists(extractedChecksumFile): 101 return readFile(extractedChecksumFile) 102 else: 103 return None 104 105 def storeExtractedChecksum (self, checksum): 106 checksum_bytes = checksum.encode("utf-8") 107 writeFile(self.getExtractedChecksumFilePath(), checksum_bytes) 108 109 def connectToUrl (self, url): 110 result = None 111 112 if sys.version_info < (3, 0): 113 from urllib2 import urlopen 114 else: 115 from urllib.request import urlopen 116 117 if args.insecure: 118 print("Ignoring certificate checks") 119 ssl_context = ssl._create_unverified_context() 120 result = urlopen(url, context=ssl_context) 121 else: 122 result = urlopen(url) 123 124 return result 125 126 def fetchAndVerifyArchive (self): 127 print("Fetching %s" % self.url) 128 129 req = self.connectToUrl(self.url) 130 data = req.read() 131 checksum = computeChecksum(data) 132 dstPath = os.path.join(EXTERNAL_DIR, self.baseDir, self.archiveDir, self.filename) 133 134 if checksum != self.checksum: 135 raise Exception("Checksum mismatch for %s, expected %s, got %s" % (self.filename, self.checksum, checksum)) 136 137 if not os.path.exists(os.path.dirname(dstPath)): 138 os.mkdir(os.path.dirname(dstPath)) 139 140 writeFile(dstPath, data) 141 142 def extract (self): 143 print("Extracting %s to %s/%s" % (self.filename, self.baseDir, self.extractDir)) 144 145 srcPath = os.path.join(EXTERNAL_DIR, self.baseDir, self.archiveDir, self.filename) 146 tmpPath = os.path.join(EXTERNAL_DIR, ".extract-tmp-%s" % self.baseDir) 147 dstPath = os.path.join(EXTERNAL_DIR, self.baseDir, self.extractDir) 148 archive = tarfile.open(srcPath) 149 150 if os.path.exists(tmpPath): 151 shutil.rmtree(tmpPath, ignore_errors=False) 152 153 os.mkdir(tmpPath) 154 155 archive.extractall(tmpPath) 156 archive.close() 157 158 extractedEntries = os.listdir(tmpPath) 159 if len(extractedEntries) != 1 or not os.path.isdir(os.path.join(tmpPath, extractedEntries[0])): 160 raise Exception("%s doesn't contain single top-level directory" % self.filename) 161 162 topLevelPath = os.path.join(tmpPath, extractedEntries[0]) 163 164 if not os.path.exists(dstPath): 165 os.mkdir(dstPath) 166 167 for entry in os.listdir(topLevelPath): 168 if os.path.exists(os.path.join(dstPath, entry)): 169 raise Exception("%s exists already" % entry) 170 171 shutil.move(os.path.join(topLevelPath, entry), dstPath) 172 173 shutil.rmtree(tmpPath, ignore_errors=True) 174 175 if self.postExtract != None: 176 self.postExtract(dstPath) 177 178 class GitRepo (Source): 179 def __init__(self, httpsUrl, sshUrl, revision, baseDir, extractDir = "src"): 180 Source.__init__(self, baseDir, extractDir) 181 self.httpsUrl = httpsUrl 182 self.sshUrl = sshUrl 183 self.revision = revision 184 185 def detectProtocol(self, cmdProtocol = None): 186 # reuse parent repo protocol 187 proc = subprocess.Popen(['git', 'ls-remote', '--get-url', 'origin'], stdout=subprocess.PIPE) 188 (stdout, stderr) = proc.communicate() 189 190 if proc.returncode != 0: 191 raise Exception("Failed to execute 'git ls-remote origin', got %d" % proc.returncode) 192 if (stdout[:3] == 'ssh') or (stdout[:3] == 'git'): 193 protocol = 'ssh' 194 else: 195 # remote 'origin' doesn't exist, assume 'https' as checkout protocol 196 protocol = 'https' 197 return protocol 198 199 def selectUrl(self, cmdProtocol = None): 200 try: 201 if cmdProtocol == None: 202 protocol = self.detectProtocol(cmdProtocol) 203 else: 204 protocol = cmdProtocol 205 except: 206 # fallback to https on any issues 207 protocol = 'https' 208 209 if protocol == 'ssh': 210 if self.sshUrl != None: 211 url = self.sshUrl 212 else: 213 assert self.httpsUrl != None 214 url = self.httpsUrl 215 else: 216 assert protocol == 'https' 217 url = self.httpsUrl 218 219 assert url != None 220 return url 221 222 def update (self, cmdProtocol = None): 223 fullDstPath = os.path.join(EXTERNAL_DIR, self.baseDir, self.extractDir) 224 225 url = self.selectUrl(cmdProtocol) 226 if not os.path.exists(fullDstPath): 227 execute(["git", "clone", "--no-checkout", url, fullDstPath]) 228 229 pushWorkingDir(fullDstPath) 230 try: 231 execute(["git", "fetch", "--tags", url, "+refs/heads/*:refs/remotes/origin/*"]) 232 execute(["git", "checkout", self.revision]) 233 finally: 234 popWorkingDir() 235 236 def postExtractLibpng (path): 237 shutil.copy(os.path.join(path, "scripts", "pnglibconf.h.prebuilt"), 238 os.path.join(path, "pnglibconf.h")) 239 240 PACKAGES = [ 241 SourcePackage( 242 "http://zlib.net/zlib-1.2.11.tar.gz", 243 "zlib-1.2.11.tar.gz", 244 "c3e5e9fdd5004dcb542feda5ee4f0ff0744628baf8ed2dd5d66f8ca1197cb1a1", 245 "zlib"), 246 SourcePackage( 247 "http://prdownloads.sourceforge.net/libpng/libpng-1.6.27.tar.gz", 248 "libpng-1.6.27.tar.gz", 249 "c9d164ec247f426a525a7b89936694aefbc91fb7a50182b198898b8fc91174b4", 250 "libpng", 251 postExtract = postExtractLibpng), 252 GitRepo( 253 "https://github.com/KhronosGroup/SPIRV-Tools.git", 254 None, 255 "vulkan-1.1-rc1", 256 "spirv-tools"), 257 GitRepo( 258 "https://github.com/KhronosGroup/glslang.git", 259 None, 260 "6.2.2596", 261 "glslang"), 262 GitRepo( 263 "https://github.com/KhronosGroup/SPIRV-Headers.git", 264 None, 265 "vulkan-1.1-rc2", 266 "spirv-headers"), 267 ] 268 269 def parseArgs (): 270 versionsForInsecure = ((2,7,9), (3,4,3)) 271 versionsForInsecureStr = ' or '.join(('.'.join(str(x) for x in v)) for v in versionsForInsecure) 272 273 parser = argparse.ArgumentParser(description = "Fetch external sources") 274 parser.add_argument('--clean', dest='clean', action='store_true', default=False, 275 help='Remove sources instead of fetching') 276 parser.add_argument('--insecure', dest='insecure', action='store_true', default=False, 277 help="Disable certificate check for external sources." 278 " Minimum python version required " + versionsForInsecureStr) 279 parser.add_argument('--protocol', dest='protocol', default=None, choices=['ssh', 'https'], 280 help="Select protocol to checkout git repositories.") 281 282 args = parser.parse_args() 283 284 if args.insecure: 285 for versionItem in versionsForInsecure: 286 if (sys.version_info.major == versionItem[0]): 287 if sys.version_info < versionItem: 288 parser.error("For --insecure minimum required python version is " + 289 versionsForInsecureStr) 290 break; 291 292 return args 293 294 if __name__ == "__main__": 295 args = parseArgs() 296 297 for pkg in PACKAGES: 298 if args.clean: 299 pkg.clean() 300 else: 301 pkg.update(args.protocol) 302
