def get_plugins(package_name, paths=None):
"""Find packages that are plugins of the given package.
Args:
package_name (str): Name of the package.
paths (list of str): Paths to search for packages, defaults to
`config.packages_path`.
Returns:
list of str: The packages that are plugins of the given package.
"""
pkg = get_latest_package(package_name, paths=paths, error=True)
if not pkg.has_plugins:
return []
it = iter_package_families(paths)
package_names = set(x.name for x in it)
bar = ProgressBar("Searching", len(package_names))
plugin_pkgs = []
for package_name_ in package_names:
bar.next()
if package_name_ == package_name:
continue # not a plugin of itself
plugin_pkg = get_latest_package(package_name_, paths=paths)
if not plugin_pkg.plugin_for:
continue
for plugin_for in plugin_pkg.plugin_for:
if plugin_for == pkg.name:
plugin_pkgs.append(package_name_)
bar.finish()
return plugin_pkgs
def _get_dest_pkg(self, name, version):
return get_latest_package(
name,
range_=VersionRange("==" + version),
paths=[self.dest_install_root],
error=True
)
def expand_version(version):
rank = len(version)
wildcard_found = False
while version and str(version[-1]) in wildcard_map:
token = wildcard_map[str(version[-1])]
version = version.trim(len(version) - 1)
if token == "**":
if wildcard_found: # catches bad syntax '**.*'
return None
else:
wildcard_found = True
rank = 0
break
wildcard_found = True
if not wildcard_found:
return None
range_ = VersionRange(str(version))
package = get_latest_package(name=req.name, range_=range_, paths=paths)
if package is None:
return version
if rank:
return package.version.trim(rank)
else:
return package.version
def _make_row(self, row, family_name):
self.setItem(row, 0, QtGui.QStandardItem(family_name))
versions = [None]
version_max = None
# Fill the spreadsheet
for irepo, repo in enumerate(self.repos):
latest = packages.get_latest_package(family_name, paths=[repo])
package_folder = os.path.join(repo, family_name)
item = QtGui.QStandardItem()
item.latest = None
item.empty_folder = None
if not latest:
versions.append(None)
if os.path.isdir(os.path.join(repo, family_name)):
item.empty_folder = package_folder
else:
item.latest = latest
version_max = max(latest.version, version_max) \
if version_max else latest.version
versions.append(latest.version or None)
item.setText(generate_item_text(item))
item.setToolTip(generate_item_tooltip(item))
self.setItem(row, irepo + 1, item)
# Find the winner
winner_found = False
for i in range(len(self.repos)):
if (not winner_found and versions[i + 1]
and versions[i + 1] == version_max):
winner_found = True
else:
self.item(row, i + 1).setForeground(QtGui.QColor('gray'))
def find_pip_from_context(python_version, pip_version=None):
"""Find pip from rez context.
Args:
python_version (str or `Version`): Python version to use
pip_version (str or `Version`): Version of pip to use, or latest.
Returns:
3-tuple:
- str: Python executable or None if we fell back to system pip.
- str: Pip version or None if we fell back to system pip.
- `ResolvedContext`: Context containing pip, or None if we fell back
to system pip.
"""
target = "python"
package_request = []
if python_version:
ver = Version(str(python_version))
python_major_minor_ver = ver.trim(2)
else:
# use latest major.minor
package = get_latest_package("python")
if package:
python_major_minor_ver = package.version.trim(2)
else:
raise BuildError("Found no python package.")
python_package = "python-%s" % str(python_major_minor_ver)
package_request.append(python_package)
if pip_version:
target = "pip"
if pip_version == "latest":
package_request.append("pip")
else:
package_request.append("pip-%s" % str(pip_version))
print_info("Trying to use pip from %s package", target)
try:
context = ResolvedContext(package_request)
except (PackageFamilyNotFoundError, PackageNotFoundError):
print_debug("No rez package called %s found", target)
return None, None, None
py_exe_name = "python"
if platform_.name != "windows":
# Python < 2 on Windows doesn't have versionned executable.
py_exe_name += str(python_major_minor_ver.trim(1))
py_exe = context.which(py_exe_name)
proc = context.execute_command(
# -E and -s are used to isolate the environment as much as possible.
# See python --help for more details. We absolutely don't want to get
# pip from the user home.
[
py_exe, "-E", "-s", "-c",
"import pip, sys; sys.stdout.write(pip.__version__)"
],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
text=True)
out, err = proc.communicate()
if proc.returncode:
print_debug("Failed to get pip from package %s", target)
print_debug(out)
print_debug(err)
return None, None, None
pip_version = out.strip()
variant = context.get_resolved_package(target)
package = variant.parent
print_info("Found pip-%s inside %s. Will use it with %s", pip_version,
package.uri, py_exe)
return py_exe, pip_version, context
