diff options
| -rw-r--r-- | classes/dosocs-host.bbclass | 262 | ||||
| -rw-r--r-- | classes/dosocs.bbclass | 7 | ||||
| -rw-r--r-- | classes/fossdriver-host.bbclass | 325 |
3 files changed, 589 insertions, 5 deletions
diff --git a/classes/dosocs-host.bbclass b/classes/dosocs-host.bbclass new file mode 100644 index 0000000..a6ed691 --- /dev/null +++ b/classes/dosocs-host.bbclass @@ -0,0 +1,262 @@ +# This class integrates real-time license scanning, generation of SPDX standard +# output and verifiying license info during the building process. +# It is a combination of efforts from the OE-Core, SPDX and DoSOCSv2 projects. +# +# For more information on DoSOCSv2: +# https://github.com/DoSOCSv2 +# +# For more information on SPDX: +# http://www.spdx.org +# +# Note: +# 1) Make sure DoSOCSv2 has beed installed in your host +# 2) By default,spdx files will be output to the path which is defined as[SPDX_DEPLOY_DIR] +# in ./meta/conf/spdx-dosocs.conf. + +SPDXSSTATEDIR = "${WORKDIR}/spdx_sstate_dir" +LICENSELISTVERSION = "2.6" +CREATOR_TOOL = "meta-spdxscanner" +# If ${S} isn't actually the top-level source directory, set SPDX_S to point at +# the real top-level directory. + +SPDX_S ?= "${S}" + +python do_spdx () { + import os, sys + import json + + import shutil + + pn = d.getVar('PN') + workdir_tmp = d.getVar('WORKDIR') + + ## It's no necessary to get spdx files for *-native + if pn.find("-native") != -1 or pn.find("binutils-cross") != -1: + return None + + # Forcibly expand the sysroot paths as we're about to change WORKDIR + d.setVar('RECIPE_SYSROOT', d.getVar('RECIPE_SYSROOT')) + d.setVar('RECIPE_SYSROOT_NATIVE', d.getVar('RECIPE_SYSROOT_NATIVE')) + + ## gcc and kernel is too big to get spdx file. + if ('gcc') in d.getVar('PN', True): + #invoke_dosocs2("/yocto/work002/fnst/leimh/community/gcc-7.3.0/","/yocto/work001/gcc-7.3.spdx",(d.getVar('WORKDIR', True) or "")) + return None + if bb.data.inherits_class('kernel', d): + #invoke_dosocs2("/yocto/work002/fnst/leimh/community/linux-4.14.44","/yocto/work001/linux-4.14.44.spdx",(d.getVar('WORKDIR', True) or "")) + return None + + bb.note('Archiving the configured source...') + # "gcc-source-${PV}" recipes don't have "do_configure" + # task, so we need to run "do_preconfigure" instead + if pn.startswith("gcc-source-"): + d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR')) + bb.build.exec_func('do_preconfigure', d) + + # Change the WORKDIR to make do_configure run in another dir. + d.setVar('WORKDIR', d.getVar('SPDX_TEMP_DIR')) + #if bb.data.inherits_class('kernel-yocto', d): + # bb.build.exec_func('do_kernel_configme', d) + #if bb.data.inherits_class('cmake', d): + # bb.build.exec_func('do_generate_toolchain_file', d) + bb.build.exec_func('do_unpack', d) + + d.setVar('WORKDIR', workdir_tmp) + info = {} + info['workdir'] = (d.getVar('WORKDIR', True) or "") + info['pn'] = (d.getVar( 'PN', True ) or "") + info['pv'] = (d.getVar( 'PV', True ) or "") + info['package_download_location'] = (d.getVar( 'SRC_URI', True ) or "") + if info['package_download_location'] != "": + info['package_download_location'] = info['package_download_location'].split()[0] + info['spdx_version'] = (d.getVar('SPDX_VERSION', True) or '') + info['data_license'] = (d.getVar('DATA_LICENSE', True) or '') + info['creator'] = {} + info['creator']['Tool'] = (d.getVar('CREATOR_TOOL', True) or '') + info['license_list_version'] = (d.getVar('LICENSELISTVERSION', True) or '') + info['package_homepage'] = (d.getVar('HOMEPAGE', True) or "") + info['package_summary'] = (d.getVar('SUMMARY', True) or "") + info['package_summary'] = info['package_summary'].replace("\n","") + info['package_summary'] = info['package_summary'].replace("'"," ") + info['package_contains'] = (d.getVar('CONTAINED', True) or "") + info['package_static_link'] = (d.getVar('STATIC_LINK', True) or "") + + spdx_sstate_dir = (d.getVar('SPDXSSTATEDIR', True) or "") + manifest_dir = (d.getVar('SPDX_DEPLOY_DIR', True) or "") + info['outfile'] = os.path.join(manifest_dir, info['pn'] + "-" + info['pv'] + ".spdx" ) + sstatefile = os.path.join(spdx_sstate_dir, + info['pn'] + "-" + info['pv'] + ".spdx" ) + + ## get everything from cache. use it to decide if + ## something needs to be rerun + if not os.path.exists( spdx_sstate_dir ): + bb.utils.mkdirhier( spdx_sstate_dir ) + + d.setVar('WORKDIR', d.getVar('SPDX_TEMP_DIR', True)) + info['sourcedir'] = (d.getVar('SPDX_S', True) or "") + cur_ver_code = get_ver_code( info['sourcedir'] ).split()[0] + cache_cur = False + if os.path.exists( sstatefile ): + ## cache for this package exists. read it in + cached_spdx = get_cached_spdx( sstatefile ) + if cached_spdx: + cached_spdx = cached_spdx.split()[0] + if (cached_spdx == cur_ver_code): + bb.warn(info['pn'] + "'s ver code same as cache's. do nothing") + cache_cur = True + create_manifest(info,sstatefile) + if not cache_cur: + git_path = "%s/.git" % info['sourcedir'] + if os.path.exists(git_path): + remove_dir_tree(git_path) + + ## Get spdx file + #bb.warn(' run_dosocs2 ...... ') + invoke_dosocs2(info['sourcedir'],sstatefile,info['workdir']) + if get_cached_spdx( sstatefile ) != None: + write_cached_spdx( info,sstatefile,cur_ver_code ) + ## CREATE MANIFEST(write to outfile ) + create_manifest(info,sstatefile) + else: + bb.warn('Can\'t get the spdx file ' + info['pn'] + '. Please check your dosocs2.') + d.setVar('WORKDIR', info['workdir']) +} + +addtask spdx after do_patch before do_configure + +def invoke_dosocs2( OSS_src_dir, spdx_file, workdir): + import subprocess + import string + import json + import codecs + + + dosocs2_cmd = "/usr/local/bin/dosocs2" + dosocs2_oneshot_cmd = dosocs2_cmd + " oneshot " + OSS_src_dir + print(dosocs2_oneshot_cmd) + try: + dosocs2_output = subprocess.check_output(dosocs2_oneshot_cmd, + stderr=subprocess.STDOUT, + shell=True) + except subprocess.CalledProcessError as e: + bb.warn("Could not invoke dosocs2 oneshot Command " + "'%s' returned %d:\n%s" % (dosocs2_oneshot_cmd, e.returncode, e.output)) + return None + dosocs2_output = dosocs2_output.decode('utf-8') + + f = codecs.open(spdx_file,'w','utf-8') + f.write(dosocs2_output) + +def create_manifest(info,sstatefile): + import shutil + shutil.copyfile(sstatefile,info['outfile']) + +def get_cached_spdx( sstatefile ): + import subprocess + + if not os.path.exists( sstatefile ): + return None + + try: + output = subprocess.check_output(['grep', "PackageVerificationCode", sstatefile]) + except subprocess.CalledProcessError as e: + bb.error("Index creation command '%s' failed with return code %d:\n%s" % (e.cmd, e.returncode, e.output)) + return None + cached_spdx_info=output.decode('utf-8').split(': ') + return cached_spdx_info[1] + +## Add necessary information into spdx file +def write_cached_spdx( info,sstatefile, ver_code ): + import subprocess + + def sed_replace(dest_sed_cmd,key_word,replace_info): + dest_sed_cmd = dest_sed_cmd + "-e 's#^" + key_word + ".*#" + \ + key_word + replace_info + "#' " + return dest_sed_cmd + + def sed_insert(dest_sed_cmd,key_word,new_line): + dest_sed_cmd = dest_sed_cmd + "-e '/^" + key_word \ + + r"/a\\" + new_line + "' " + return dest_sed_cmd + + ## Document level information + sed_cmd = r"sed -i -e 's#\r$##g' " + spdx_DocumentComment = "<text>SPDX for " + info['pn'] + " version " \ + + info['pv'] + "</text>" + sed_cmd = sed_replace(sed_cmd,"DocumentComment",spdx_DocumentComment) + + ## Creator information + sed_cmd = sed_replace(sed_cmd,"Creator: ",info['creator']['Tool']) + sed_cmd = sed_replace(sed_cmd,"LicenseListVersion: ",info['license_list_version']) + + ## Package level information + sed_cmd = sed_replace(sed_cmd,"PackageName: ",info['pn']) + sed_cmd = sed_insert(sed_cmd,"PackageName: ", "PackageVersion: " + info['pv']) + sed_cmd = sed_replace(sed_cmd,"PackageDownloadLocation: ",info['package_download_location']) + sed_cmd = sed_replace(sed_cmd,"PackageHomePage: ",info['package_homepage']) + sed_cmd = sed_replace(sed_cmd,"PackageSummary: ","<text>" + info['package_summary'] + "</text>") + sed_cmd = sed_insert(sed_cmd,"PackageVerificationCode: ",ver_code) + sed_cmd = sed_replace(sed_cmd,"PackageDescription: ", + "<text>" + info['pn'] + " version " + info['pv'] + "</text>") + for contain in info['package_contains'].split( ): + sed_cmd = sed_insert(sed_cmd,"PackageComment:"," \\n\\n## Relationships\\nRelationship: " + info['pn'] + " CONTAINS " + contain) + for static_link in info['package_static_link'].split( ): + sed_cmd = sed_insert(sed_cmd,"PackageComment:"," \\n\\n## Relationships\\nRelationship: " + info['pn'] + " STATIC_LINK " + static_link) + sed_cmd = sed_cmd + sstatefile + + subprocess.call("%s" % sed_cmd, shell=True) + +def remove_dir_tree( dir_name ): + import shutil + try: + shutil.rmtree( dir_name ) + except: + pass + +def remove_file( file_name ): + try: + os.remove( file_name ) + except OSError as e: + pass + +def list_files( dir ): + for root, subFolders, files in os.walk( dir ): + for f in files: + rel_root = os.path.relpath( root, dir ) + yield rel_root, f + return + +def hash_file( file_name ): + """ + Return the hex string representation of the SHA1 checksum of the filename + """ + try: + import hashlib + except ImportError: + return None + + sha1 = hashlib.sha1() + with open( file_name, "rb" ) as f: + for line in f: + sha1.update(line) + return sha1.hexdigest() + +def hash_string( data ): + import hashlib + sha1 = hashlib.sha1() + sha1.update( data.encode('utf-8') ) + return sha1.hexdigest() + +def get_ver_code( dirname ): + chksums = [] + for f_dir, f in list_files( dirname ): + try: + stats = os.stat(os.path.join(dirname,f_dir,f)) + except OSError as e: + bb.warn( "Stat failed" + str(e) + "\n") + continue + chksums.append(hash_file(os.path.join(dirname,f_dir,f))) + ver_code_string = ''.join( chksums ).lower() + ver_code = hash_string( ver_code_string ) + return ver_code + diff --git a/classes/dosocs.bbclass b/classes/dosocs.bbclass index 1a4436e..755e826 100644 --- a/classes/dosocs.bbclass +++ b/classes/dosocs.bbclass @@ -229,14 +229,11 @@ def write_cached_spdx( info,sstatefile, ver_code ): + info['pv'] + "</text>" sed_cmd = sed_replace(sed_cmd,"DocumentComment",spdx_DocumentComment) - ## Creator information - sed_cmd = sed_insert(sed_cmd,"CreatorComment: ","LicenseListVersion: " + info['license_list_version']) - ## Package level information sed_cmd = sed_replace(sed_cmd,"PackageName: ",info['pn']) - sed_cmd = sed_replace(sed_cmd,"PackageVersion: ",info['pv']) + sed_cmd = sed_insert(sed_cmd,"PackageVersion: ",info['pv']) sed_cmd = sed_replace(sed_cmd,"PackageDownloadLocation: ",info['package_download_location']) - sed_cmd = sed_insert(sed_cmd,"PackageChecksum: ","PackageHomePage: " + info['package_homepage']) + sed_cmd = sed_replace(sed_cmd,"PackageChecksum: ","PackageHomePage: " + info['package_homepage']) sed_cmd = sed_replace(sed_cmd,"PackageSummary: ","<text>" + info['package_summary'] + "</text>") sed_cmd = sed_replace(sed_cmd,"PackageVerificationCode: ",ver_code) sed_cmd = sed_replace(sed_cmd,"PackageDescription: ", diff --git a/classes/fossdriver-host.bbclass b/classes/fossdriver-host.bbclass new file mode 100644 index 0000000..ab79fc5 --- /dev/null +++ b/classes/fossdriver-host.bbclass @@ -0,0 +1,325 @@ +# This class integrates real-time license scanning, generation of SPDX standard +# output and verifiying license info during the building process. +# It is a combination of efforts from the OE-Core, SPDX and DoSOCSv2 projects. +# +# For more information on DoSOCSv2: +# https://github.com/DoSOCSv2 +# +# For more information on SPDX: +# http://www.spdx.org +# +# Note: +# 1) Make sure fossdriver has beed installed in your host +# 2) By default,spdx files will be output to the path which is defined as[SPDX_DEPLOY_DIR] +# in ./meta/conf/spdx-dosocs.conf. + + +SPDX_TOPDIR ?= "${WORKDIR}/spdx_sstate_dir" +SPDX_OUTDIR = "${SPDX_TOPDIR}/${TARGET_SYS}/${PF}/" +SPDX_WORKDIR = "${WORKDIR}/spdx_temp/" + +do_spdx[dirs] = "${WORKDIR}" + +LICENSELISTVERSION = "2.6" +CREATOR_TOOL = "meta-spdxscanner" +# If ${S} isn't actually the top-level source directory, set SPDX_S to point at +# the real top-level directory. + +#do_spdx[depends] += "python3-fossdriver-native:do_populate_sysroot" + +SPDX_S ?= "${S}" + +python do_spdx () { + import os, sys, json, shutil + + pn = d.getVar('PN') + assume_provided = (d.getVar("ASSUME_PROVIDED") or "").split() + if pn in assume_provided: + for p in d.getVar("PROVIDES").split(): + if p != pn: + pn = p + break + + # glibc-locale: do_fetch, do_unpack and do_patch tasks have been deleted, + # so avoid archiving source here. + if pn.startswith('glibc-locale'): + return + if (d.getVar('BPN') == "linux-yocto"): + return + + # We just archive gcc-source for all the gcc related recipes + if d.getVar('BPN') in ['gcc', 'libgcc']: + bb.debug(1, 'spdx: There is bug in scan of %s is, do nothing' % pn) + return + + spdx_outdir = d.getVar('SPDX_OUTDIR') + spdx_workdir = d.getVar('SPDX_WORKDIR') + spdx_temp_dir = os.path.join(spdx_workdir, "temp") + temp_dir = os.path.join(d.getVar('WORKDIR'), "temp") + + bb.note('SPDX: Archiving the patched source...') + if os.path.isdir( spdx_temp_dir ): + for f_dir, f in list_files( spdx_temp_dir ): + temp_file = os.path.join(spdx_temp_dir,f_dir,f) + shutil.copy(temp_file, temp_dir) + shutil.rmtree(spdx_temp_dir) + d.setVar('WORKDIR', spdx_workdir) + tar_name = spdx_create_tarball(d, d.getVar('WORKDIR'), 'patched', spdx_outdir) + + + info = {} + info['workdir'] = (d.getVar('WORKDIR', True) or "") + info['pn'] = (d.getVar( 'PN', True ) or "") + info['pv'] = (d.getVar( 'PV', True ) or "") + info['package_download_location'] = (d.getVar( 'SRC_URI', True ) or "") + if info['package_download_location'] != "": + info['package_download_location'] = info['package_download_location'].split()[0] + info['spdx_version'] = (d.getVar('SPDX_VERSION', True) or '') + info['data_license'] = (d.getVar('DATA_LICENSE', True) or '') + info['creator'] = {} + info['creator']['Tool'] = (d.getVar('CREATOR_TOOL', True) or '') + info['license_list_version'] = (d.getVar('LICENSELISTVERSION', True) or '') + info['package_homepage'] = (d.getVar('HOMEPAGE', True) or "") + info['package_summary'] = (d.getVar('SUMMARY', True) or "") + info['package_summary'] = info['package_summary'].replace("\n","") + info['package_summary'] = info['package_summary'].replace("'"," ") + info['package_contains'] = (d.getVar('CONTAINED', True) or "") + info['package_static_link'] = (d.getVar('STATIC_LINK', True) or "") + + manifest_dir = (d.getVar('SPDX_DEPLOY_DIR', True) or "") + info['outfile'] = os.path.join(manifest_dir, info['pn'] + "-" + info['pv'] + ".spdx" ) + sstatefile = os.path.join(spdx_outdir, + info['pn'] + "-" + info['pv'] + ".spdx" ) + + ## get everything from cache. use it to decide if + ## something needs to be rerun + if not os.path.exists( spdx_outdir ): + bb.utils.mkdirhier( spdx_outdir ) + + cur_ver_code = get_ver_code( spdx_workdir ).split()[0] + cache_cur = False + if os.path.exists( sstatefile ): + bb.warn(info['pn'] + "has been exist, do nothing") + cache_cur = True + create_manifest(info,sstatefile) + if not cache_cur: + ## Get spdx file + bb.note(' run fossdriver ...... ') + if not os.path.isfile( tar_name ): + bb.warn(info['pn'] + "has no source, do nothing") + return + + invoke_fossdriver(tar_name,sstatefile) + if get_cached_spdx( sstatefile ) != None: + write_cached_spdx( info,sstatefile,cur_ver_code ) + ## CREATE MANIFEST(write to outfile ) + create_manifest(info,sstatefile) + else: + bb.warn('Can\'t get the spdx file ' + info['pn'] + '. Please check your.') +} +addtask do_spdx_get_src after do_patch +addtask do_spdx after do_spdx_get_src +addtask spdx after do_patch before do_install + +def spdx_create_tarball(d, srcdir, suffix, ar_outdir): + """ + create the tarball from srcdir + """ + import tarfile + # Make sure we are only creating a single tarball for gcc sources + #if (d.getVar('SRC_URI') == ""): + # return + + # For the kernel archive, srcdir may just be a link to the + # work-shared location. Use os.path.realpath to make sure + # that we archive the actual directory and not just the link. + srcdir = os.path.realpath(srcdir) + + bb.utils.mkdirhier(ar_outdir) + if suffix: + filename = '%s-%s.tar.gz' % (d.getVar('PF'), suffix) + else: + filename = '%s.tar.gz' % d.getVar('PF') + tarname = os.path.join(ar_outdir, filename) + + bb.note('Creating %s' % tarname) + tar = tarfile.open(tarname, 'w:gz') + tar.add(srcdir, arcname=os.path.basename(srcdir)) + tar.close() + return tarname + +# Run do_unpack and do_patch +python do_spdx_get_src() { + import shutil + sdpx_outdir = d.getVar('SPDX_OUTDIR') + spdx_workdir = d.getVar('SPDX_WORKDIR') + spdx_sysroot_native = d.getVar('STAGING_DIR_NATIVE') + pn = d.getVar('PN') + + # We just archive gcc-source for all the gcc related recipes + if d.getVar('BPN') in ['gcc', 'libgcc']: + bb.debug(1, 'spdx: There is bug in scan of %s is, do nothing' % pn) + return + + # The kernel class functions require it to be on work-shared, so we dont change WORKDIR + if not is_work_shared(d): + # Change the WORKDIR to make do_unpack do_patch run in another dir. + d.setVar('WORKDIR', spdx_workdir) + # Restore the original path to recipe's native sysroot (it's relative to WORKDIR). + d.setVar('STAGING_DIR_NATIVE', spdx_sysroot_native) + + # The changed 'WORKDIR' also caused 'B' changed, create dir 'B' for the + # possibly requiring of the following tasks (such as some recipes's + # do_patch required 'B' existed). + bb.utils.mkdirhier(d.getVar('B')) + + bb.build.exec_func('do_unpack', d) + + # Make sure gcc and kernel sources are patched only once + if not (d.getVar('SRC_URI') == "" or is_work_shared(d)): + bb.build.exec_func('do_patch', d) + # Some userland has no source. + if not os.path.exists( spdx_workdir ): + bb.utils.mkdirhier(spdx_workdir) + +} + +def invoke_fossdriver(tar_file, spdx_file): + import os + + (work_dir, tar_file) = os.path.split(tar_file) + os.chdir(work_dir) + + from fossdriver.config import FossConfig + from fossdriver.server import FossServer + from fossdriver.tasks import (CreateFolder, Upload, Scanners, Copyright, Reuse, BulkTextMatch, SPDXTV) + + #del os.environ['http_proxy'] + #del os.environ['https_proxy'] + config = FossConfig() + configPath = os.path.join(os.path.expanduser('~'),".fossdriverrc") + config.configure(configPath) + + server = FossServer(config) + server.Login() + bb.note("invoke_fossdriver : tar_file = %s " % tar_file) + Upload(server, tar_file, "Software Repository").run() + Scanners(server, tar_file, "Software Repository").run() + SPDXTV(server, tar_file, "Software Repository", spdx_file).run() + +def create_manifest(info,sstatefile): + import shutil + shutil.copyfile(sstatefile,info['outfile']) + +def get_cached_spdx( sstatefile ): + import subprocess + + if not os.path.exists( sstatefile ): + return None + + try: + output = subprocess.check_output(['grep', "PackageVerificationCode", sstatefile]) + except subprocess.CalledProcessError as e: + bb.error("Index creation command '%s' failed with return code %d:\n%s" % (e.cmd, e.returncode, e.output)) + return None + cached_spdx_info=output.decode('utf-8').split(': ') + return cached_spdx_info[1] + +## Add necessary information into spdx file +def write_cached_spdx( info,sstatefile, ver_code ): + import subprocess + + def sed_replace(dest_sed_cmd,key_word,replace_info): + dest_sed_cmd = dest_sed_cmd + "-e 's#^" + key_word + ".*#" + \ + key_word + replace_info + "#' " + return dest_sed_cmd + + def sed_insert(dest_sed_cmd,key_word,new_line): + dest_sed_cmd = dest_sed_cmd + "-e '/^" + key_word \ + + r"/a\\" + new_line + "' " + return dest_sed_cmd + + ## Document level information + sed_cmd = r"sed -i -e 's#\r$##g' " + spdx_DocumentComment = "<text>SPDX for " + info['pn'] + " version " \ + + info['pv'] + "</text>" + sed_cmd = sed_replace(sed_cmd,"DocumentComment",spdx_DocumentComment) + + ## Creator information + sed_cmd = sed_replace(sed_cmd,"Creator: ",info['creator']['Tool']) + + ## Package level information + sed_cmd = sed_replace(sed_cmd,"PackageName: ",info['pn']) + sed_cmd = sed_insert(sed_cmd,"PackageName: ", "PackageVersion: " + info['pv']) + sed_cmd = sed_replace(sed_cmd,"PackageDownloadLocation: ",info['package_download_location']) + sed_cmd = sed_insert(sed_cmd,"PackageDownloadLocation: ", "PackageHomePage: " + info['package_homepage']) + sed_cmd = sed_insert(sed_cmd,"PackageHomePage: ", "PackageSummary: " + "<text>" + info['package_summary'] + "</text>") + sed_cmd = sed_replace(sed_cmd,"PackageVerificationCode: ",ver_code) + sed_cmd = sed_insert(sed_cmd,"PackageVerificationCode: ", "PackageDescription: " + + "<text>" + info['pn'] + " version " + info['pv'] + "</text>") + for contain in info['package_contains'].split( ): + sed_cmd = sed_insert(sed_cmd,"PackageComment:"," \\n\\n## Relationships\\nRelationship: " + info['pn'] + " CONTAINS " + contain) + for static_link in info['package_static_link'].split( ): + sed_cmd = sed_insert(sed_cmd,"PackageComment:"," \\n\\n## Relationships\\nRelationship: " + info['pn'] + " STATIC_LINK " + static_link) + sed_cmd = sed_cmd + sstatefile + + subprocess.call("%s" % sed_cmd, shell=True) + +def is_work_shared(d): + pn = d.getVar('PN') + return bb.data.inherits_class('kernel', d) or pn.startswith('gcc-source') + +def remove_dir_tree( dir_name ): + import shutil + try: + shutil.rmtree( dir_name ) + except: + pass + +def remove_file( file_name ): + try: + os.remove( file_name ) + except OSError as e: + pass + +def list_files( dir ): + for root, subFolders, files in os.walk( dir ): + for f in files: + rel_root = os.path.relpath( root, dir ) + yield rel_root, f + return + +def hash_file( file_name ): + """ + Return the hex string representation of the SHA1 checksum of the filename + """ + try: + import hashlib + except ImportError: + return None + + sha1 = hashlib.sha1() + with open( file_name, "rb" ) as f: + for line in f: + sha1.update(line) + return sha1.hexdigest() + +def hash_string( data ): + import hashlib + sha1 = hashlib.sha1() + sha1.update( data.encode('utf-8') ) + return sha1.hexdigest() + +def get_ver_code( dirname ): + chksums = [] + for f_dir, f in list_files( dirname ): + try: + stats = os.stat(os.path.join(dirname,f_dir,f)) + except OSError as e: + bb.warn( "Stat failed" + str(e) + "\n") + continue + chksums.append(hash_file(os.path.join(dirname,f_dir,f))) + ver_code_string = ''.join( chksums ).lower() + ver_code = hash_string( ver_code_string ) + return ver_code + |