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Merge pull request #3630 from akohlmey/download-fallback

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Fallback URLs for downloading external libraries
This commit is contained in:
Axel Kohlmeyer
2023-02-01 14:40:13 -05:00
committed by GitHub
parent 454c77e874 89b37c51df
commit b8b5e385b6
19 changed files with 165 additions and 95 deletions
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18
cmake/Modules/ExternalCMakeProject.cmake
View File

@ -9,8 +9,22 @@ function(ExternalCMakeProject target url hash basedir cmakedir cmakefile)
get_filename_component(archive ${url} NAME)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/src)
message(STATUS "Downloading ${url}")
file(DOWNLOAD ${url} ${CMAKE_BINARY_DIR}/_deps/${archive} EXPECTED_HASH MD5=${hash} SHOW_PROGRESS)
if(EXISTS ${CMAKE_BINARY_DIR}/_deps/${archive})
file(MD5 ${CMAKE_BINARY_DIR}/_deps/${archive} DL_MD5)
endif()
if(NOT "${DL_MD5}" STREQUAL "${hash}")
message(STATUS "Downloading ${url}")
file(DOWNLOAD ${url} ${CMAKE_BINARY_DIR}/_deps/${archive} STATUS DL_STATUS SHOW_PROGRESS)
file(MD5 ${CMAKE_BINARY_DIR}/_deps/${archive} DL_MD5)
if((NOT DL_STATUS EQUAL 0) OR (NOT "${DL_MD5}" STREQUAL "${hash}"))
set(${target}_URL ${url})
GetFallbackURL(${target}_URL fallback)
message(WARNING "Download from primary URL ${url} failed\nTrying fallback URL ${fallback}")
file(DOWNLOAD ${fallback} ${CMAKE_BINARY_DIR}/_deps/${archive} EXPECTED_HASH MD5=${hash} SHOW_PROGRESS)
endif()
else()
message(STATUS "Using already downloaded archive ${CMAKE_BINARY_DIR}/_deps/${archive}")
endif()
message(STATUS "Unpacking and configuring ${archive}")
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xzf ${CMAKE_BINARY_DIR}/_deps/${archive}
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/_deps/src)

11
cmake/Modules/LAMMPSUtils.cmake
View File

@ -158,3 +158,14 @@ if((CMAKE_SYSTEM_NAME STREQUAL "Linux") AND (EXISTS /etc/os-release))
set(CMAKE_LINUX_DISTRO ${distro})
set(CMAKE_DISTRO_VERSION ${disversion})
endif()
function(GetFallbackURL input output)
string(REPLACE "_URL" "" _tmp ${input})
string(TOLOWER ${_tmp} libname)
string(REGEX REPLACE "^https://.*/([^/]+gz)" "${LAMMPS_THIRDPARTY_URL}/${libname}-\\1" newurl "${${input}}")
if ("${newurl}" STREQUAL "${${input}}")
set(${output} "" PARENT_SCOPE)
else()
set(${output} ${newurl} PARENT_SCOPE)
endif()
endfunction(GetFallbackURL)

6
cmake/Modules/Packages/GPU.cmake
View File

@ -428,15 +428,17 @@ elseif(GPU_API STREQUAL "HIP")
if(DOWNLOAD_CUB)
message(STATUS "CUB download requested")
set(CUB_URL "https://github.com/NVlabs/cub/archive/1.12.0.tar.gz" CACHE STRING "URL for CUB tarball")
# TODO: test update to current version 1.17.2
set(CUB_URL "https://github.com/nvidia/cub/archive/1.12.0.tar.gz" CACHE STRING "URL for CUB tarball")
set(CUB_MD5 "1cf595beacafff104700921bac8519f3" CACHE STRING "MD5 checksum of CUB tarball")
mark_as_advanced(CUB_URL)
mark_as_advanced(CUB_MD5)
GetFallbackURL(CUB_URL CUB_FALLBACK)
include(ExternalProject)
ExternalProject_Add(CUB
URL ${CUB_URL}
URL ${CUB_URL} ${CUB_FALLBACK}
URL_MD5 ${CUB_MD5}
PREFIX "${CMAKE_CURRENT_BINARY_DIR}"
CONFIGURE_COMMAND ""

4
cmake/Modules/Packages/KOKKOS.cmake
View File

@ -53,8 +53,10 @@ if(DOWNLOAD_KOKKOS)
set(KOKKOS_MD5 "f140e02b826223b1045207d9bc10d404" CACHE STRING "MD5 checksum of KOKKOS tarball")
mark_as_advanced(KOKKOS_URL)
mark_as_advanced(KOKKOS_MD5)
GetFallbackURL(KOKKOS_URL KOKKOS_FALLBACK)
ExternalProject_Add(kokkos_build
URL ${KOKKOS_URL}
URL ${KOKKOS_URL} ${KOKKOS_FALLBACK}
URL_MD5 ${KOKKOS_MD5}
CMAKE_ARGS ${KOKKOS_LIB_BUILD_ARGS}
BUILD_BYPRODUCTS <INSTALL_DIR>/lib/libkokkoscore.a <INSTALL_DIR>/lib/libkokkoscontainers.a

3
cmake/Modules/Packages/LATTE.cmake
View File

@ -19,6 +19,7 @@ if(DOWNLOAD_LATTE)
set(LATTE_MD5 "820e73a457ced178c08c71389a385de7" CACHE STRING "MD5 checksum of LATTE tarball")
mark_as_advanced(LATTE_URL)
mark_as_advanced(LATTE_MD5)
GetFallbackURL(LATTE_URL LATTE_FALLBACK)
# CMake cannot pass BLAS or LAPACK library variable to external project if they are a list
list(LENGTH BLAS_LIBRARIES} NUM_BLAS)
@ -30,7 +31,7 @@ if(DOWNLOAD_LATTE)
include(ExternalProject)
ExternalProject_Add(latte_build
URL ${LATTE_URL}
URL ${LATTE_URL} ${LATTE_FALLBACK}
URL_MD5 ${LATTE_MD5}
SOURCE_SUBDIR cmake
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> ${CMAKE_REQUEST_PIC} -DCMAKE_INSTALL_LIBDIR=lib

3
cmake/Modules/Packages/MDI.cmake
View File

@ -12,6 +12,7 @@ if(DOWNLOAD_MDI)
set(MDI_MD5 "7a222353ae8e03961d5365e6cd48baee" CACHE STRING "MD5 checksum for MDI tarball")
mark_as_advanced(MDI_URL)
mark_as_advanced(MDI_MD5)
GetFallbackURL(MDI_URL MDI_FALLBACK)
enable_language(C)
# only ON/OFF are allowed for "mpi" flag when building MDI library
@ -63,7 +64,7 @@ if(DOWNLOAD_MDI)
# support cross-compilation and ninja-build
include(ExternalProject)
ExternalProject_Add(mdi_build
URL ${MDI_URL}
URL ${MDI_URL} ${MDI_FALLBACK}
URL_MD5 ${MDI_MD5}
PREFIX ${CMAKE_CURRENT_BINARY_DIR}/mdi_build_ext
CMAKE_ARGS

3
cmake/Modules/Packages/ML-HDNNP.cmake
View File

@ -10,6 +10,7 @@ if(DOWNLOAD_N2P2)
set(N2P2_MD5 "9595b066636cd6b90b0fef93398297a5" CACHE STRING "MD5 checksum of N2P2 tarball")
mark_as_advanced(N2P2_URL)
mark_as_advanced(N2P2_MD5)
GetFallbackURL(N2P2_URL N2P2_FALLBACK)
# adjust settings from detected compiler to compiler platform in n2p2 library
# set compiler specific flag to turn on C++11 syntax (required on macOS and CentOS 7)
@ -72,7 +73,7 @@ if(DOWNLOAD_N2P2)
# download compile n2p2 library. much patch MPI calls in LAMMPS interface to accommodate MPI-2 (e.g. for cross-compiling)
include(ExternalProject)
ExternalProject_Add(n2p2_build
URL ${N2P2_URL}
URL ${N2P2_URL} ${N2P2_FALLBACK}
URL_MD5 ${N2P2_MD5}
UPDATE_COMMAND ""
CONFIGURE_COMMAND ""

16
cmake/Modules/Packages/ML-PACE.cmake
View File

@ -3,9 +3,23 @@ set(PACELIB_URL "https://github.com/ICAMS/lammps-user-pace/archive/refs/tags/v.2
set(PACELIB_MD5 "4f0b3b5b14456fe9a73b447de3765caa" CACHE STRING "MD5 checksum of PACE evaluator library tarball")
mark_as_advanced(PACELIB_URL)
mark_as_advanced(PACELIB_MD5)
GetFallbackURL(PACELIB_URL PACELIB_FALLBACK)
# download library sources to build folder
file(DOWNLOAD ${PACELIB_URL} ${CMAKE_BINARY_DIR}/libpace.tar.gz EXPECTED_HASH MD5=${PACELIB_MD5}) #SHOW_PROGRESS
if(EXISTS ${CMAKE_BINARY_DIR}/libpace.tar.gz)
file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
endif()
if(NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}")
message(STATUS "Downloading ${PACELIB_URL}")
file(DOWNLOAD ${PACELIB_URL} ${CMAKE_BINARY_DIR}/libpace.tar.gz STATUS DL_STATUS SHOW_PROGRESS)
file(MD5 ${CMAKE_BINARY_DIR}/libpace.tar.gz DL_MD5)
if((NOT DL_STATUS EQUAL 0) OR (NOT "${DL_MD5}" STREQUAL "${PACELIB_MD5}"))
message(WARNING "Download from primary URL ${PACELIB_URL} failed\nTrying fallback URL ${PACELIB_FALLBACK}")
file(DOWNLOAD ${PACELIB_FALLBACK} ${CMAKE_BINARY_DIR}/libpace.tar.gz EXPECTED_HASH MD5=${PACELIB_MD5} SHOW_PROGRESS)
else()
message(STATUS "Using already downloaded archive ${CMAKE_BINARY_DIR}/libpace.tar.gz")
endif()
endif()
# uncompress downloaded sources
execute_process(

3
cmake/Modules/Packages/PLUMED.cmake
View File

@ -59,10 +59,11 @@ if(DOWNLOAD_PLUMED)
mark_as_advanced(PLUMED_URL)
mark_as_advanced(PLUMED_MD5)
GetFallbackURL(PLUMED_URL PLUMED_FALLBACK)
include(ExternalProject)
ExternalProject_Add(plumed_build
URL ${PLUMED_URL}
URL ${PLUMED_URL} ${PLUMED_FALLBACK}
URL_MD5 ${PLUMED_MD5}
BUILD_IN_SOURCE 1
CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR>

4
cmake/Modules/Packages/SCAFACOS.cmake
View File

@ -18,6 +18,8 @@ if(DOWNLOAD_SCAFACOS)
set(SCAFACOS_MD5 "bd46d74e3296bd8a444d731bb10c1738" CACHE STRING "MD5 checksum of SCAFACOS tarball")
mark_as_advanced(SCAFACOS_URL)
mark_as_advanced(SCAFACOS_MD5)
GetFallbackURL(SCAFACOS_URL SCAFACOS_FALLBACK)
# version 1.0.1 needs a patch to compile and linke cleanly with GCC 10 and later.
file(DOWNLOAD ${LAMMPS_THIRDPARTY_URL}/scafacos-1.0.1-fix.diff ${CMAKE_CURRENT_BINARY_DIR}/scafacos-1.0.1.fix.diff
@ -30,7 +32,7 @@ if(DOWNLOAD_SCAFACOS)
include(ExternalProject)
ExternalProject_Add(scafacos_build
URL ${SCAFACOS_URL}
URL ${SCAFACOS_URL} ${SCAFACOS_FALLBACK}
URL_MD5 ${SCAFACOS_MD5}
PATCH_COMMAND patch -p1 < ${CMAKE_CURRENT_BINARY_DIR}/scafacos-1.0.1.fix.diff
CONFIGURE_COMMAND <SOURCE_DIR>/configure --prefix=<INSTALL_DIR> --disable-doc

3
lib/hdnnp/.gitignore vendored Normal file
View File

@ -0,0 +1,3 @@
/includelink
/liblink
/n2p2-*

17
lib/hdnnp/Install.py
View File

@ -10,7 +10,7 @@ import sys, os, platform, subprocess, shutil
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import get_cpus, fullpath, geturl, checkmd5sum
from install_helpers import get_cpus, fullpath, geturl, checkmd5sum, getfallback
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
@ -76,14 +76,21 @@ if pathflag:
if buildflag:
url = "https://github.com/CompPhysVienna/n2p2/archive/v%s.tar.gz" % (version)
filename = "n2p2-%s.tar.gz" %version
print("Downloading n2p2 ...")
geturl(url, filename)
filename = "n2p2-%s.tar.gz" % version
fallback = getfallback('n2p2', url)
print("Downloading n2p2 from", url)
try:
geturl(url, filename)
except:
geturl(fallback, filename)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for n2p2 library does not match")
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, filename)
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for n2p2 library does not match for fallback, too.")
print("Unpacking n2p2 source tarball ...")
if os.path.exists("%s/n2p2-%s" % (homepath, version)):

24
lib/install_helpers.py
View File

@ -1,4 +1,7 @@
import hashlib,os,subprocess
import hashlib
import os
import re
import subprocess
# try to auto-detect the maximum number of available CPUs
def get_cpus():
@ -32,31 +35,31 @@ def which(program):
return None
def geturl(url,fname):
def geturl(url, fname):
success = False
if which('curl') != None:
cmd = 'curl -L -o "%s" %s' % (fname,url)
cmd = 'curl -L -o "%s" %s' % (fname, url)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling curl failed with: %s" % e.output.decode('UTF-8'))
if not success and which('wget') != None:
cmd = 'wget -O "%s" %s' % (fname,url)
cmd = 'wget -O "%s" %s' % (fname, url)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
subprocess.check_output(cmd, stderr=subprocess.STDOUT, shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling wget failed with: %s" % e.output.decode('UTF-8'))
if not success:
error("Failed to download source code with 'curl' or 'wget'")
raise Exception("Failed to download source code with 'curl' or 'wget' from " + url)
return
def checkmd5sum(md5sum,fname):
with open(fname,'rb') as fh:
def checkmd5sum(md5sum, fname):
with open(fname, 'rb') as fh:
m = hashlib.md5()
while True:
data = fh.read(81920)
@ -66,3 +69,6 @@ def checkmd5sum(md5sum,fname):
fh.close()
return m.hexdigest() == md5sum
def getfallback(lib, url):
archive = re.sub(r'^https://.*/([^/]+gz)', r'-\1', url)
return 'https://download.lammps.org/thirdparty/' + lib + archive

16
lib/latte/Install.py
View File

@ -10,7 +10,7 @@ import sys, os, subprocess, shutil, tarfile
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import fullpath, geturl, checkmd5sum
from install_helpers import fullpath, geturl, checkmd5sum, getfallback
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
@ -86,17 +86,25 @@ if buildflag:
url = "https://github.com/lanl/LATTE/archive/v%s.tar.gz" % version
lattepath = fullpath(homepath)
lattedir = os.path.join(lattepath, homedir)
fallback = getfallback('latte', url)
filename = 'LATTE.tar.gz'
# download and unpack LATTE tarball
if buildflag:
print("Downloading LATTE ...")
geturl(url, "LATTE.tar.gz")
try:
geturl(url, filename)
except:
geturl(fallback, filename)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], 'LATTE.tar.gz'):
sys.exit("Checksum for LATTE library does not match")
if not checkmd5sum(checksums[version], filename):
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, filename)
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for LATTE library does not match for fallback, too.")
print("Unpacking LATTE ...")
if os.path.exists(lattedir):

61
lib/mdi/Install.py
View File

@ -9,7 +9,7 @@ import sys,os,subprocess
import glob
sys.path.append('..')
from install_helpers import checkmd5sum
from install_helpers import fullpath, geturl, checkmd5sum, getfallback
# help message
@ -51,49 +51,6 @@ def error(str=None):
# expand to full path name
# process leading '~' or relative path
def fullpath(path):
return os.path.abspath(os.path.expanduser(path))
def which(program):
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
def geturl(url,fname):
success = False
if which('curl') != None:
cmd = 'curl -L -o "%s" %s' % (fname,url)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling curl failed with: %s" % e.output.decode('UTF-8'))
if not success and which('wget') != None:
cmd = 'wget -O "%s" %s' % (fname,url)
try:
subprocess.check_output(cmd,stderr=subprocess.STDOUT,shell=True)
success = True
except subprocess.CalledProcessError as e:
print("Calling wget failed with: %s" % e.output.decode('UTF-8'))
if not success:
error("Failed to download source code with 'curl' or 'wget'")
return
# parse args
args = sys.argv[1:]
@ -123,17 +80,24 @@ lib = os.path.basename(cwd)
# download and unpack MDI_Library tarball
homepath = "."
homepath = fullpath('.')
homedir = "%s/MDI_Library" % homepath
print("Downloading MDI_Library ...")
mditar = "%s/v%s.tar.gz" % (homepath,version)
geturl(url, mditar)
mditar = "%s/v%s.tar.gz" % (homepath, version)
fallback = getfallback('mdi', url)
try:
geturl(url, mditar)
except:
geturl(fallback, mditar)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], mditar):
sys.exit("Checksum for MDI library does not match")
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, mditar)
if not checkmd5sum(checksums[version], mditar):
sys.exit("Checksum for MDI library does not match")
print("Unpacking MDI_Library tarball ...")
if os.path.exists("%s/v%s" % (homepath,version)):
@ -199,7 +163,6 @@ makefile_lammps = open(str(dir_path) + "/Makefile.lammps", "a")
makefile_lammps.write(str(rpath_option) + "\n")
makefile_lammps.close()
shared_files = glob.glob( os.path.join( homepath, "liblink", "lib%s.a" % lib) )
if len(shared_files) > 0:
print("Build was successful")

16
lib/mscg/Install.py
View File

@ -10,7 +10,7 @@ import sys, os, subprocess, shutil, tarfile
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import fullpath, geturl
from install_helpers import fullpath, geturl, checkmd5sum, getfallback
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
@ -84,7 +84,19 @@ if pathflag:
if buildflag:
print("Downloading MS-CG ...")
tarname = os.path.join(homepath, tarname)
geturl(url, tarname)
fallback = getfallback('mscg', url)
try:
geturl(url, tarname)
except:
geturl(fallback, tarname)
# verify downloaded archive integrity via md5 checksum, if known.
if mscgver in checksums:
if not checkmd5sum(checksums[mscgver], tarname):
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, tarname)
if not checkmd5sum(checksums[mscgver], tarname):
sys.exit("Checksum for LATTE library does not match for fallback, too.")
print("Unpacking MS-CG tarfile ...")

15
lib/pace/Install.py
View File

@ -13,7 +13,7 @@ import sys
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import fullpath, geturl, checkmd5sum
from install_helpers import fullpath, geturl, checkmd5sum, getfallback
# settings
@ -77,14 +77,21 @@ if buildflag:
print("Downloading pace tarball ...")
archive_filename = "%s.%s" % (version, archive_extension)
download_filename = "%s/%s" % (thisdir, archive_filename)
fallback = getfallback('pacelib', url)
print("Downloading from ", url, " to ", download_filename, end=" ")
geturl(url, download_filename)
try:
geturl(url, download_filename)
except:
geturl(fallback, download_filename)
print(" done")
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], archive_filename):
sys.exit("Checksum for pace library does not match")
if not checkmd5sum(checksums[version], download_filename):
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, download_filename)
if not checkmd5sum(checksums[version], download_filename):
sys.exit("Checksum for pace library does not match for fallback, too.")
print("Unpacking pace tarball ...")
src_folder = thisdir + "/src"

16
lib/plumed/Install.py
View File

@ -10,7 +10,7 @@ import sys, os, platform, subprocess, shutil
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import get_cpus, fullpath, geturl, checkmd5sum
from install_helpers import get_cpus, fullpath, geturl, checkmd5sum, getfallback
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
@ -86,6 +86,7 @@ buildflag = args.build
pathflag = args.path is not None
plumedpath = args.path
mode = args.mode
version = args.version
homepath = fullpath('.')
homedir = "%s/plumed2" % (homepath)
@ -101,14 +102,21 @@ if pathflag:
if buildflag:
url = "https://github.com/plumed/plumed2/releases/download/v%s/plumed-src-%s.tgz" % (version, version)
filename = "plumed-src-%s.tar.gz" %version
filename = "plumed-src-%s.tar.gz" % version
fallback = getfallback('plumed', url)
print("Downloading plumed ...")
geturl(url, filename)
try:
geturl(url, filename)
except:
geturl(fallback, filename)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for plumed2 library does not match")
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, filename)
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for plumed2 library does not match for fallback, too.")
print("Unpacking plumed2 source tarball ...")
if os.path.exists("%s/plumed-%s" % (homepath, version)):

21
lib/scafacos/Install.py
View File

@ -10,15 +10,13 @@ import sys, os, subprocess, shutil, tarfile
from argparse import ArgumentParser
sys.path.append('..')
from install_helpers import fullpath, geturl, get_cpus, checkmd5sum
from install_helpers import fullpath, geturl, get_cpus, checkmd5sum, getfallback
parser = ArgumentParser(prog='Install.py',
description="LAMMPS library build wrapper script")
parser = ArgumentParser(prog='Install.py', description="LAMMPS library build wrapper script")
# settings
version = "1.0.1"
url = "https://github.com/scafacos/scafacos/releases/download/v%s/scafacos-%s.tar.gz" % (version, version)
# known checksums for different ScaFaCoS versions. used to validate the download.
checksums = { \
@ -59,6 +57,7 @@ if not args.build and not args.path:
buildflag = args.build
pathflag = args.path is not None
version = args.version
url = "https://github.com/scafacos/scafacos/releases/download/v%s/scafacos-%s.tar.gz" % (version, version)
homepath = fullpath(".")
scafacospath = os.path.join(homepath, "scafacos-%s" % version)
@ -76,12 +75,20 @@ if pathflag:
if buildflag:
print("Downloading ScaFaCoS ...")
geturl(url, "%s/scafacos-%s.tar.gz" % (homepath, version))
filename = "%s/scafacos-%s.tar.gz" % (homepath, version)
fallback = getfallback('scafacos', url)
try:
geturl(url, filename)
except:
geturl(fallback, filename)
# verify downloaded archive integrity via md5 checksum, if known.
if version in checksums:
if not checkmd5sum(checksums[version], '%s/scafacos-%s.tar.gz' % (homepath, version)):
sys.exit("Checksum for ScaFaCoS library does not match")
if not checkmd5sum(checksums[version], filename):
print("Checksum did not match. Trying fallback URL", fallback)
geturl(fallback, filename)
if not checkmd5sum(checksums[version], filename):
sys.exit("Checksum for ScaFaCoS library does not match for fallback, too.")
print("Unpacking ScaFaCoS tarball ...")
if os.path.exists(scafacospath):