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build script: split download method onto several functions

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This commit is contained in:
alexey.lysiuk 2020-12-12 12:48:51 +02:00
parent 78a1d81605
commit 36b298d3c8
1 changed files with 31 additions and 18 deletions
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35
build.py
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@ -1385,12 +1385,9 @@ class Builder(object):
args = ['git', 'checkout', self.checkout_commit] args = ['git', 'checkout', self.checkout_commit]
subprocess.check_call(args, cwd=self.source_path) subprocess.check_call(args, cwd=self.source_path)
def download_source(self, url: str, checksum: str): def _read_source_package(self, url: str) -> (bytes, str):
source_path = self.source_path
os.makedirs(source_path, exist_ok=True)
filename = url.rsplit(os.sep, 1)[1] filename = url.rsplit(os.sep, 1)[1]
filepath = source_path + filename filepath = self.source_path + filename
if os.path.exists(filepath): if os.path.exists(filepath):
# Read existing source package # Read existing source package
@ -1411,7 +1408,10 @@ class Builder(object):
os.unlink(filepath) os.unlink(filepath)
raise raise
# Verify package checksum return data, filepath
@staticmethod
def _verify_checksum(checksum: str, data: bytes, filepath: str) -> None:
file_hasher = hashlib.sha256() file_hasher = hashlib.sha256()
file_hasher.update(data) file_hasher.update(data)
file_checksum = file_hasher.hexdigest() file_checksum = file_hasher.hexdigest()
@ -1420,7 +1420,7 @@ class Builder(object):
os.unlink(filepath) os.unlink(filepath)
raise Exception(f'Checksum of {filepath} does not match, expected: {checksum}, actual: {file_checksum}') raise Exception(f'Checksum of {filepath} does not match, expected: {checksum}, actual: {file_checksum}')
# Figure out path to extracted source code def _unpack_source_package(self, filepath: str) -> (str, str):
filepaths = subprocess.check_output(['tar', '-tf', filepath]).decode("utf-8") filepaths = subprocess.check_output(['tar', '-tf', filepath]).decode("utf-8")
filepaths = filepaths.split('\n') filepaths = filepaths.split('\n')
first_path_component = None first_path_component = None
@ -1433,20 +1433,24 @@ class Builder(object):
if not first_path_component: if not first_path_component:
raise Exception("Failed to figure out source code path for " + filepath) raise Exception("Failed to figure out source code path for " + filepath)
extract_path = source_path + first_path_component + os.sep extract_path = self.source_path + first_path_component + os.sep
if not os.path.exists(extract_path): if not os.path.exists(extract_path):
# Extract source code package # Extract source code package
try: try:
subprocess.check_call(['tar', '-xf', filepath], cwd=source_path) subprocess.check_call(['tar', '-xf', filepath], cwd=self.source_path)
except (IOError, subprocess.CalledProcessError): except (IOError, subprocess.CalledProcessError):
shutil.rmtree(extract_path, ignore_errors=True) shutil.rmtree(extract_path, ignore_errors=True)
raise raise
# Apply patch if exists return first_path_component, extract_path
def _apply_source_patch(self, extract_path: str):
patch_path = self.patch_path + self.target.name + '.patch' patch_path = self.patch_path + self.target.name + '.patch'
if os.path.exists(patch_path): if not os.path.exists(patch_path):
return
# Check if patch is already applied # Check if patch is already applied
test_arg = '--dry-run' test_arg = '--dry-run'
args = ['patch', test_arg, '--strip=1', '--input=' + patch_path] args = ['patch', test_arg, '--strip=1', '--input=' + patch_path]
@ -1456,6 +1460,15 @@ class Builder(object):
args.remove(test_arg) args.remove(test_arg)
subprocess.check_call(args, cwd=extract_path) subprocess.check_call(args, cwd=extract_path)
def download_source(self, url: str, checksum: str):
os.makedirs(self.source_path, exist_ok=True)
data, filepath = self._read_source_package(url)
Builder._verify_checksum(checksum, data, filepath)
first_path_component, extract_path = self._unpack_source_package(filepath)
self._apply_source_patch(extract_path)
# Adjust source and build paths according to extracted source code # Adjust source and build paths according to extracted source code
self.source_path = extract_path self.source_path = extract_path
self.build_path = self.build_path + first_path_component + os.sep self.build_path = self.build_path + first_path_component + os.sep