def _get_package_index(packagedir):
def filesize(path):
return str(os.stat(path).st_size)
def md5sum(path):
return str(hashlib.md5(open(path, 'rb').read()).hexdigest())
def sha256sum(path):
return str(hashlib.sha256(open(path, 'rb').read()).hexdigest())
index = []
for package in os.listdir(packagedir):
path = os.path.join(packagedir, package)
# dl_path would best be calculated; but we don't have access to chroot_path here...
dl_path = os.path.join('var/cache/apt/archives', package)
if path.endswith('.deb'):
control = debinfo.get_control_fields(path)
for field in control.keys():
index.append(field + ": " + control[field])
index.append("Filename: " + dl_path)
index.append("Size: " + filesize(path))
index.append("MD5sum: " + md5sum(path))
index.append("SHA256: " + sha256sum(path))
index.append("")
return index
def dctrls(self):
"""return plan dependencies control file info"""
toquery = set([ Dependency(pkg) for pkg in self ])
packages = PackageGetter(toquery, self.pool)
dctrls = {}
for dep in toquery:
package_path = packages[dep]
if package_path is None:
raise Error('could not find package', dep.name)
dctrls[dep] = debinfo.get_control_fields(package_path)
dctrls[dep]['Filename'] = basename(package_path)
return dctrls
def get_packages_info(packages, pool_path):
info = {}
from pyproject.pool.pool import Pool
pool = Pool(pool_path)
tmpdir = TempDir()
pool.get(tmpdir.path, packages, strict=True)
for package in os.listdir(tmpdir.path):
path = os.path.join(tmpdir.path, package)
if path.endswith('.deb'):
control = debinfo.get_control_fields(path)
info[control['Package']] = control['Description']
return info
def add(self, path):
"""Add binary to cache. Hardlink if possible, copy otherwise."""
suffix = get_suffix(path)
if not suffix in ('deb', 'udeb'):
raise Error("illegal package suffix (%s)" % suffix)
control_fields = debinfo.get_control_fields(path)
name = control_fields['Package']
version = control_fields['Version']
if self.exists(name, version):
return
arch = control_fields['Architecture']
filename = "%s_%s_%s.%s" % (name, version, arch, suffix)
path_cached = join(self.path, filename)
hardlink_or_copy(path, path_cached)
self._register(filename)
def add(self, path):
"""Add binary to cache. Hardlink if possible, copy otherwise."""
suffix = get_suffix(path)
if not suffix in ('deb', 'udeb'):
raise Error("illegal package suffix (%s)" % suffix)
control_fields = debinfo.get_control_fields(path)
name = control_fields['Package']
version = control_fields['Version']
if self.exists(name, version):
return
arch = control_fields['Architecture']
filename = "%s_%s_%s.%s" % (name, version, arch, suffix)
path_cached = join(self.path, filename)
hardlink_or_copy(path, path_cached)
self._register(filename)
def _get_package_index(packagedir):
def filesize(path):
return str(os.stat(path).st_size)
def md5sum(path):
return str(hashlib.md5(open(path, 'rb').read()).hexdigest())
index = []
for package in os.listdir(packagedir):
path = os.path.join(packagedir, package)
if path.endswith('.deb'):
control = debinfo.get_control_fields(path)
for field in control.keys():
index.append(field + ": " + control[field])
index.append("Filename: " + path)
index.append("Size: " + filesize(path))
index.append("MD5sum: " + md5sum(path))
index.append("")
return index
def _get_package_index(packagedir):
def filesize(path):
return str(os.stat(path).st_size)
def md5sum(path):
return str(hashlib.md5(open(path, 'rb').read()).hexdigest())
index = []
for package in os.listdir(packagedir):
path = os.path.join(packagedir, package)
if path.endswith('.deb'):
control = debinfo.get_control_fields(path)
for field in control.keys():
index.append(field + ": " + control[field])
index.append("Filename: " + path)
index.append("Size: " + filesize(path))
index.append("MD5sum: " + md5sum(path))
index.append("")
return index
def extract_source_name(path):
fields = debinfo.get_control_fields(path)
if 'Source' in fields:
return fields['Source']
return None
def resolve(self):
"""resolve plan dependencies recursively -> return spec"""
spec = Spec()
if not self.pool:
return list(self)
resolved = set()
missing = set()
provided = set()
def reformat2dep(pkg):
if '=' not in pkg:
return pkg
name, version = pkg.split("=", 1)
return "%s (= %s)" % (name, version)
unresolved = set([ Dependency(reformat2dep(pkg)) for pkg in self ])
while unresolved:
# get newest package versions of unresolved dependencies from the pool
# and pray they don't conflict with our dependency restrictions
packages = PackageGetter(unresolved, self.pool)
new_deps = set()
for dep in unresolved:
package_path = packages[dep]
if not package_path:
continue
pkg_control = debinfo.get_control_fields(package_path)
version = pkg_control['Version']
if not dep.is_version_ok(version):
raise Error("dependency '%s' incompatible with newest pool version (%s)" % (dep, version))
spec.add(dep.name, version)
resolved.add(dep)
new_deps |= self._get_new_deps(pkg_control, resolved | unresolved | new_deps, dep.fields)
provided |= self._get_provided(pkg_control)
unresolved = new_deps - resolved
missing = (missing | packages.missing) - provided
if missing:
def get_origins(dep):
# trace the package origins
origins = []
while dep:
try:
dep = self.packageorigins[dep][0]
origins.append(dep)
except KeyError:
dep = None
return origins
brokendeps = []
for dep in missing:
brokendeps.append("%s (%s)" % (dep, " -> ".join(get_origins(dep))))
raise Error("broken dependencies: " + "\n".join(brokendeps))
return spec
def extract_source_name(path):
fields = debinfo.get_control_fields(path)
if 'Source' in fields:
return fields['Source']
return None
