| # Recipe creation tool - create build system handler for python |
| # |
| # Copyright (C) 2015 Mentor Graphics Corporation |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License version 2 as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License along |
| # with this program; if not, write to the Free Software Foundation, Inc., |
| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| |
| import ast |
| import codecs |
| import collections |
| import distutils.command.build_py |
| import email |
| import imp |
| import glob |
| import itertools |
| import logging |
| import os |
| import re |
| import sys |
| import subprocess |
| from recipetool.create import RecipeHandler |
| |
| logger = logging.getLogger('recipetool') |
| |
| tinfoil = None |
| |
| |
| def tinfoil_init(instance): |
| global tinfoil |
| tinfoil = instance |
| |
| |
| class PythonRecipeHandler(RecipeHandler): |
| base_pkgdeps = ['python-core'] |
| excluded_pkgdeps = ['python-dbg'] |
| # os.path is provided by python-core |
| assume_provided = ['builtins', 'os.path'] |
| # Assumes that the host python builtin_module_names is sane for target too |
| assume_provided = assume_provided + list(sys.builtin_module_names) |
| |
| bbvar_map = { |
| 'Name': 'PN', |
| 'Version': 'PV', |
| 'Home-page': 'HOMEPAGE', |
| 'Summary': 'SUMMARY', |
| 'Description': 'DESCRIPTION', |
| 'License': 'LICENSE', |
| 'Requires': 'RDEPENDS_${PN}', |
| 'Provides': 'RPROVIDES_${PN}', |
| 'Obsoletes': 'RREPLACES_${PN}', |
| } |
| # PN/PV are already set by recipetool core & desc can be extremely long |
| excluded_fields = [ |
| 'Name', |
| 'Version', |
| 'Description', |
| ] |
| setup_parse_map = { |
| 'Url': 'Home-page', |
| 'Classifiers': 'Classifier', |
| 'Description': 'Summary', |
| } |
| setuparg_map = { |
| 'Home-page': 'url', |
| 'Classifier': 'classifiers', |
| 'Summary': 'description', |
| 'Description': 'long-description', |
| } |
| # Values which are lists, used by the setup.py argument based metadata |
| # extraction method, to determine how to process the setup.py output. |
| setuparg_list_fields = [ |
| 'Classifier', |
| 'Requires', |
| 'Provides', |
| 'Obsoletes', |
| 'Platform', |
| 'Supported-Platform', |
| ] |
| setuparg_multi_line_values = ['Description'] |
| replacements = [ |
| ('License', r' ', '-'), |
| ('License', r'-License$', ''), |
| ('License', r'^UNKNOWN$', ''), |
| |
| # Remove currently unhandled version numbers from these variables |
| ('Requires', r' *\([^)]*\)', ''), |
| ('Provides', r' *\([^)]*\)', ''), |
| ('Obsoletes', r' *\([^)]*\)', ''), |
| ('Install-requires', r'^([^><= ]+).*', r'\1'), |
| ('Extras-require', r'^([^><= ]+).*', r'\1'), |
| ('Tests-require', r'^([^><= ]+).*', r'\1'), |
| |
| # Remove unhandled dependency on particular features (e.g. foo[PDF]) |
| ('Install-requires', r'\[[^\]]+\]$', ''), |
| ] |
| |
| classifier_license_map = { |
| 'License :: OSI Approved :: Academic Free License (AFL)': 'AFL', |
| 'License :: OSI Approved :: Apache Software License': 'Apache', |
| 'License :: OSI Approved :: Apple Public Source License': 'APSL', |
| 'License :: OSI Approved :: Artistic License': 'Artistic', |
| 'License :: OSI Approved :: Attribution Assurance License': 'AAL', |
| 'License :: OSI Approved :: BSD License': 'BSD', |
| 'License :: OSI Approved :: Common Public License': 'CPL', |
| 'License :: OSI Approved :: Eiffel Forum License': 'EFL', |
| 'License :: OSI Approved :: European Union Public Licence 1.0 (EUPL 1.0)': 'EUPL-1.0', |
| 'License :: OSI Approved :: European Union Public Licence 1.1 (EUPL 1.1)': 'EUPL-1.1', |
| 'License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)': 'AGPL-3.0+', |
| 'License :: OSI Approved :: GNU Affero General Public License v3': 'AGPL-3.0', |
| 'License :: OSI Approved :: GNU Free Documentation License (FDL)': 'GFDL', |
| 'License :: OSI Approved :: GNU General Public License (GPL)': 'GPL', |
| 'License :: OSI Approved :: GNU General Public License v2 (GPLv2)': 'GPL-2.0', |
| 'License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)': 'GPL-2.0+', |
| 'License :: OSI Approved :: GNU General Public License v3 (GPLv3)': 'GPL-3.0', |
| 'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)': 'GPL-3.0+', |
| 'License :: OSI Approved :: GNU Lesser General Public License v2 (LGPLv2)': 'LGPL-2.0', |
| 'License :: OSI Approved :: GNU Lesser General Public License v2 or later (LGPLv2+)': 'LGPL-2.0+', |
| 'License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)': 'LGPL-3.0', |
| 'License :: OSI Approved :: GNU Lesser General Public License v3 or later (LGPLv3+)': 'LGPL-3.0+', |
| 'License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)': 'LGPL', |
| 'License :: OSI Approved :: IBM Public License': 'IPL', |
| 'License :: OSI Approved :: ISC License (ISCL)': 'ISC', |
| 'License :: OSI Approved :: Intel Open Source License': 'Intel', |
| 'License :: OSI Approved :: Jabber Open Source License': 'Jabber', |
| 'License :: OSI Approved :: MIT License': 'MIT', |
| 'License :: OSI Approved :: MITRE Collaborative Virtual Workspace License (CVW)': 'CVWL', |
| 'License :: OSI Approved :: Motosoto License': 'Motosoto', |
| 'License :: OSI Approved :: Mozilla Public License 1.0 (MPL)': 'MPL-1.0', |
| 'License :: OSI Approved :: Mozilla Public License 1.1 (MPL 1.1)': 'MPL-1.1', |
| 'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)': 'MPL-2.0', |
| 'License :: OSI Approved :: Nethack General Public License': 'NGPL', |
| 'License :: OSI Approved :: Nokia Open Source License': 'Nokia', |
| 'License :: OSI Approved :: Open Group Test Suite License': 'OGTSL', |
| 'License :: OSI Approved :: Python License (CNRI Python License)': 'CNRI-Python', |
| 'License :: OSI Approved :: Python Software Foundation License': 'PSF', |
| 'License :: OSI Approved :: Qt Public License (QPL)': 'QPL', |
| 'License :: OSI Approved :: Ricoh Source Code Public License': 'RSCPL', |
| 'License :: OSI Approved :: Sleepycat License': 'Sleepycat', |
| 'License :: OSI Approved :: Sun Industry Standards Source License (SISSL)': '-- Sun Industry Standards Source License (SISSL)', |
| 'License :: OSI Approved :: Sun Public License': 'SPL', |
| 'License :: OSI Approved :: University of Illinois/NCSA Open Source License': 'NCSA', |
| 'License :: OSI Approved :: Vovida Software License 1.0': 'VSL-1.0', |
| 'License :: OSI Approved :: W3C License': 'W3C', |
| 'License :: OSI Approved :: X.Net License': 'Xnet', |
| 'License :: OSI Approved :: Zope Public License': 'ZPL', |
| 'License :: OSI Approved :: zlib/libpng License': 'Zlib', |
| } |
| |
| def __init__(self): |
| pass |
| |
| def process(self, srctree, classes, lines_before, lines_after, handled): |
| if 'buildsystem' in handled: |
| return False |
| |
| if not RecipeHandler.checkfiles(srctree, ['setup.py']): |
| return |
| |
| # setup.py is always parsed to get at certain required information, such as |
| # distutils vs setuptools |
| # |
| # If egg info is available, we use it for both its PKG-INFO metadata |
| # and for its requires.txt for install_requires. |
| # If PKG-INFO is available but no egg info is, we use that for metadata in preference to |
| # the parsed setup.py, but use the install_requires info from the |
| # parsed setup.py. |
| |
| setupscript = os.path.join(srctree, 'setup.py') |
| try: |
| setup_info, uses_setuptools, setup_non_literals, extensions = self.parse_setup_py(setupscript) |
| except Exception: |
| logger.exception("Failed to parse setup.py") |
| setup_info, uses_setuptools, setup_non_literals, extensions = {}, True, [], [] |
| |
| egginfo = glob.glob(os.path.join(srctree, '*.egg-info')) |
| if egginfo: |
| info = self.get_pkginfo(os.path.join(egginfo[0], 'PKG-INFO')) |
| requires_txt = os.path.join(egginfo[0], 'requires.txt') |
| if os.path.exists(requires_txt): |
| with codecs.open(requires_txt) as f: |
| inst_req = [] |
| extras_req = collections.defaultdict(list) |
| current_feature = None |
| for line in f.readlines(): |
| line = line.rstrip() |
| if not line: |
| continue |
| |
| if line.startswith('['): |
| current_feature = line[1:-1] |
| elif current_feature: |
| extras_req[current_feature].append(line) |
| else: |
| inst_req.append(line) |
| info['Install-requires'] = inst_req |
| info['Extras-require'] = extras_req |
| elif RecipeHandler.checkfiles(srctree, ['PKG-INFO']): |
| info = self.get_pkginfo(os.path.join(srctree, 'PKG-INFO')) |
| |
| if setup_info: |
| if 'Install-requires' in setup_info: |
| info['Install-requires'] = setup_info['Install-requires'] |
| if 'Extras-require' in setup_info: |
| info['Extras-require'] = setup_info['Extras-require'] |
| else: |
| if setup_info: |
| info = setup_info |
| else: |
| info = self.get_setup_args_info(setupscript) |
| |
| self.apply_info_replacements(info) |
| |
| if uses_setuptools: |
| classes.append('setuptools') |
| else: |
| classes.append('distutils') |
| |
| if 'Classifier' in info: |
| licenses = [] |
| for classifier in info['Classifier']: |
| if classifier in self.classifier_license_map: |
| license = self.classifier_license_map[classifier] |
| licenses.append(license) |
| |
| if licenses: |
| info['License'] = ' & '.join(licenses) |
| |
| |
| # Map PKG-INFO & setup.py fields to bitbake variables |
| bbinfo = {} |
| for field, values in info.iteritems(): |
| if field in self.excluded_fields: |
| continue |
| |
| if field not in self.bbvar_map: |
| continue |
| |
| if isinstance(values, basestring): |
| value = values |
| else: |
| value = ' '.join(str(v) for v in values if v) |
| |
| bbvar = self.bbvar_map[field] |
| if bbvar not in bbinfo and value: |
| bbinfo[bbvar] = value |
| |
| comment_lic_line = None |
| for pos, line in enumerate(list(lines_before)): |
| if line.startswith('#') and 'LICENSE' in line: |
| comment_lic_line = pos |
| elif line.startswith('LICENSE =') and 'LICENSE' in bbinfo: |
| if line in ('LICENSE = "Unknown"', 'LICENSE = "CLOSED"'): |
| lines_before[pos] = 'LICENSE = "{}"'.format(bbinfo['LICENSE']) |
| if line == 'LICENSE = "CLOSED"' and comment_lic_line: |
| lines_before[comment_lic_line:pos] = [ |
| '# WARNING: the following LICENSE value is a best guess - it is your', |
| '# responsibility to verify that the value is complete and correct.' |
| ] |
| del bbinfo['LICENSE'] |
| |
| src_uri_line = None |
| for pos, line in enumerate(lines_before): |
| if line.startswith('SRC_URI ='): |
| src_uri_line = pos |
| |
| if bbinfo: |
| mdinfo = [''] |
| for k in sorted(bbinfo): |
| v = bbinfo[k] |
| mdinfo.append('{} = "{}"'.format(k, v)) |
| lines_before[src_uri_line-1:src_uri_line-1] = mdinfo |
| |
| mapped_deps, unmapped_deps = self.scan_setup_python_deps(srctree, setup_info, setup_non_literals) |
| |
| extras_req = set() |
| if 'Extras-require' in info: |
| extras_req = info['Extras-require'] |
| if extras_req: |
| lines_after.append('# The following configs & dependencies are from setuptools extras_require.') |
| lines_after.append('# These dependencies are optional, hence can be controlled via PACKAGECONFIG.') |
| lines_after.append('# The upstream names may not correspond exactly to bitbake package names.') |
| lines_after.append('#') |
| lines_after.append('# Uncomment this line to enable all the optional features.') |
| lines_after.append('#PACKAGECONFIG ?= "{}"'.format(' '.join(k.lower() for k in extras_req.iterkeys()))) |
| for feature, feature_reqs in extras_req.iteritems(): |
| unmapped_deps.difference_update(feature_reqs) |
| |
| feature_req_deps = ('python-' + r.replace('.', '-').lower() for r in sorted(feature_reqs)) |
| lines_after.append('PACKAGECONFIG[{}] = ",,,{}"'.format(feature.lower(), ' '.join(feature_req_deps))) |
| |
| inst_reqs = set() |
| if 'Install-requires' in info: |
| if extras_req: |
| lines_after.append('') |
| inst_reqs = info['Install-requires'] |
| if inst_reqs: |
| unmapped_deps.difference_update(inst_reqs) |
| |
| inst_req_deps = ('python-' + r.replace('.', '-').lower() for r in sorted(inst_reqs)) |
| lines_after.append('# WARNING: the following rdepends are from setuptools install_requires. These') |
| lines_after.append('# upstream names may not correspond exactly to bitbake package names.') |
| lines_after.append('RDEPENDS_${{PN}} += "{}"'.format(' '.join(inst_req_deps))) |
| |
| if mapped_deps: |
| name = info.get('Name') |
| if name and name[0] in mapped_deps: |
| # Attempt to avoid self-reference |
| mapped_deps.remove(name[0]) |
| mapped_deps -= set(self.excluded_pkgdeps) |
| if inst_reqs or extras_req: |
| lines_after.append('') |
| lines_after.append('# WARNING: the following rdepends are determined through basic analysis of the') |
| lines_after.append('# python sources, and might not be 100% accurate.') |
| lines_after.append('RDEPENDS_${{PN}} += "{}"'.format(' '.join(sorted(mapped_deps)))) |
| |
| unmapped_deps -= set(extensions) |
| unmapped_deps -= set(self.assume_provided) |
| if unmapped_deps: |
| if mapped_deps: |
| lines_after.append('') |
| lines_after.append('# WARNING: We were unable to map the following python package/module') |
| lines_after.append('# dependencies to the bitbake packages which include them:') |
| lines_after.extend('# {}'.format(d) for d in sorted(unmapped_deps)) |
| |
| handled.append('buildsystem') |
| |
| def get_pkginfo(self, pkginfo_fn): |
| msg = email.message_from_file(open(pkginfo_fn, 'r')) |
| msginfo = {} |
| for field in msg.keys(): |
| values = msg.get_all(field) |
| if len(values) == 1: |
| msginfo[field] = values[0] |
| else: |
| msginfo[field] = values |
| return msginfo |
| |
| def parse_setup_py(self, setupscript='./setup.py'): |
| with codecs.open(setupscript) as f: |
| info, imported_modules, non_literals, extensions = gather_setup_info(f) |
| |
| def _map(key): |
| key = key.replace('_', '-') |
| key = key[0].upper() + key[1:] |
| if key in self.setup_parse_map: |
| key = self.setup_parse_map[key] |
| return key |
| |
| # Naive mapping of setup() arguments to PKG-INFO field names |
| for d in [info, non_literals]: |
| for key, value in d.items(): |
| new_key = _map(key) |
| if new_key != key: |
| del d[key] |
| d[new_key] = value |
| |
| return info, 'setuptools' in imported_modules, non_literals, extensions |
| |
| def get_setup_args_info(self, setupscript='./setup.py'): |
| cmd = ['python', setupscript] |
| info = {} |
| keys = set(self.bbvar_map.keys()) |
| keys |= set(self.setuparg_list_fields) |
| keys |= set(self.setuparg_multi_line_values) |
| grouped_keys = itertools.groupby(keys, lambda k: (k in self.setuparg_list_fields, k in self.setuparg_multi_line_values)) |
| for index, keys in grouped_keys: |
| if index == (True, False): |
| # Splitlines output for each arg as a list value |
| for key in keys: |
| arg = self.setuparg_map.get(key, key.lower()) |
| try: |
| arg_info = self.run_command(cmd + ['--' + arg], cwd=os.path.dirname(setupscript)) |
| except (OSError, subprocess.CalledProcessError): |
| pass |
| else: |
| info[key] = [l.rstrip() for l in arg_info.splitlines()] |
| elif index == (False, True): |
| # Entire output for each arg |
| for key in keys: |
| arg = self.setuparg_map.get(key, key.lower()) |
| try: |
| arg_info = self.run_command(cmd + ['--' + arg], cwd=os.path.dirname(setupscript)) |
| except (OSError, subprocess.CalledProcessError): |
| pass |
| else: |
| info[key] = arg_info |
| else: |
| info.update(self.get_setup_byline(list(keys), setupscript)) |
| return info |
| |
| def get_setup_byline(self, fields, setupscript='./setup.py'): |
| info = {} |
| |
| cmd = ['python', setupscript] |
| cmd.extend('--' + self.setuparg_map.get(f, f.lower()) for f in fields) |
| try: |
| info_lines = self.run_command(cmd, cwd=os.path.dirname(setupscript)).splitlines() |
| except (OSError, subprocess.CalledProcessError): |
| pass |
| else: |
| if len(fields) != len(info_lines): |
| logger.error('Mismatch between setup.py output lines and number of fields') |
| sys.exit(1) |
| |
| for lineno, line in enumerate(info_lines): |
| line = line.rstrip() |
| info[fields[lineno]] = line |
| return info |
| |
| def apply_info_replacements(self, info): |
| for variable, search, replace in self.replacements: |
| if variable not in info: |
| continue |
| |
| def replace_value(search, replace, value): |
| if replace is None: |
| if re.search(search, value): |
| return None |
| else: |
| new_value = re.sub(search, replace, value) |
| if value != new_value: |
| return new_value |
| return value |
| |
| value = info[variable] |
| if isinstance(value, basestring): |
| new_value = replace_value(search, replace, value) |
| if new_value is None: |
| del info[variable] |
| elif new_value != value: |
| info[variable] = new_value |
| elif hasattr(value, 'iteritems'): |
| for dkey, dvalue in value.iteritems(): |
| new_list = [] |
| for pos, a_value in enumerate(dvalue): |
| new_value = replace_value(search, replace, a_value) |
| if new_value is not None and new_value != value: |
| new_list.append(new_value) |
| |
| if value != new_list: |
| value[dkey] = new_list |
| else: |
| new_list = [] |
| for pos, a_value in enumerate(value): |
| new_value = replace_value(search, replace, a_value) |
| if new_value is not None and new_value != value: |
| new_list.append(new_value) |
| |
| if value != new_list: |
| info[variable] = new_list |
| |
| def scan_setup_python_deps(self, srctree, setup_info, setup_non_literals): |
| if 'Package-dir' in setup_info: |
| package_dir = setup_info['Package-dir'] |
| else: |
| package_dir = {} |
| |
| class PackageDir(distutils.command.build_py.build_py): |
| def __init__(self, package_dir): |
| self.package_dir = package_dir |
| |
| pd = PackageDir(package_dir) |
| to_scan = [] |
| if not any(v in setup_non_literals for v in ['Py-modules', 'Scripts', 'Packages']): |
| if 'Py-modules' in setup_info: |
| for module in setup_info['Py-modules']: |
| try: |
| package, module = module.rsplit('.', 1) |
| except ValueError: |
| package, module = '.', module |
| module_path = os.path.join(pd.get_package_dir(package), module + '.py') |
| to_scan.append(module_path) |
| |
| if 'Packages' in setup_info: |
| for package in setup_info['Packages']: |
| to_scan.append(pd.get_package_dir(package)) |
| |
| if 'Scripts' in setup_info: |
| to_scan.extend(setup_info['Scripts']) |
| else: |
| logger.info("Scanning the entire source tree, as one or more of the following setup keywords are non-literal: py_modules, scripts, packages.") |
| |
| if not to_scan: |
| to_scan = ['.'] |
| |
| logger.info("Scanning paths for packages & dependencies: %s", ', '.join(to_scan)) |
| |
| provided_packages = self.parse_pkgdata_for_python_packages() |
| scanned_deps = self.scan_python_dependencies([os.path.join(srctree, p) for p in to_scan]) |
| mapped_deps, unmapped_deps = set(self.base_pkgdeps), set() |
| for dep in scanned_deps: |
| mapped = provided_packages.get(dep) |
| if mapped: |
| mapped_deps.add(mapped) |
| else: |
| unmapped_deps.add(dep) |
| return mapped_deps, unmapped_deps |
| |
| def scan_python_dependencies(self, paths): |
| deps = set() |
| try: |
| dep_output = self.run_command(['pythondeps', '-d'] + paths) |
| except (OSError, subprocess.CalledProcessError): |
| pass |
| else: |
| for line in dep_output.splitlines(): |
| line = line.rstrip() |
| dep, filename = line.split('\t', 1) |
| if filename.endswith('/setup.py'): |
| continue |
| deps.add(dep) |
| |
| try: |
| provides_output = self.run_command(['pythondeps', '-p'] + paths) |
| except (OSError, subprocess.CalledProcessError): |
| pass |
| else: |
| provides_lines = (l.rstrip() for l in provides_output.splitlines()) |
| provides = set(l for l in provides_lines if l and l != 'setup') |
| deps -= provides |
| |
| return deps |
| |
| def parse_pkgdata_for_python_packages(self): |
| suffixes = [t[0] for t in imp.get_suffixes()] |
| pkgdata_dir = tinfoil.config_data.getVar('PKGDATA_DIR', True) |
| |
| ldata = tinfoil.config_data.createCopy() |
| bb.parse.handle('classes/python-dir.bbclass', ldata, True) |
| python_sitedir = ldata.getVar('PYTHON_SITEPACKAGES_DIR', True) |
| |
| dynload_dir = os.path.join(os.path.dirname(python_sitedir), 'lib-dynload') |
| python_dirs = [python_sitedir + os.sep, |
| os.path.join(os.path.dirname(python_sitedir), 'dist-packages') + os.sep, |
| os.path.dirname(python_sitedir) + os.sep] |
| packages = {} |
| for pkgdatafile in glob.glob('{}/runtime/*'.format(pkgdata_dir)): |
| files_info = None |
| with open(pkgdatafile, 'r') as f: |
| for line in f.readlines(): |
| field, value = line.split(': ', 1) |
| if field == 'FILES_INFO': |
| files_info = ast.literal_eval(value) |
| break |
| else: |
| continue |
| |
| for fn in files_info.iterkeys(): |
| for suffix in suffixes: |
| if fn.endswith(suffix): |
| break |
| else: |
| continue |
| |
| if fn.startswith(dynload_dir + os.sep): |
| base = os.path.basename(fn) |
| provided = base.split('.', 1)[0] |
| packages[provided] = os.path.basename(pkgdatafile) |
| continue |
| |
| for python_dir in python_dirs: |
| if fn.startswith(python_dir): |
| relpath = fn[len(python_dir):] |
| relstart, _, relremaining = relpath.partition(os.sep) |
| if relstart.endswith('.egg'): |
| relpath = relremaining |
| base, _ = os.path.splitext(relpath) |
| |
| if '/.debug/' in base: |
| continue |
| if os.path.basename(base) == '__init__': |
| base = os.path.dirname(base) |
| base = base.replace(os.sep + os.sep, os.sep) |
| provided = base.replace(os.sep, '.') |
| packages[provided] = os.path.basename(pkgdatafile) |
| return packages |
| |
| @classmethod |
| def run_command(cls, cmd, **popenargs): |
| if 'stderr' not in popenargs: |
| popenargs['stderr'] = subprocess.STDOUT |
| try: |
| return subprocess.check_output(cmd, **popenargs) |
| except OSError as exc: |
| logger.error('Unable to run `{}`: {}', ' '.join(cmd), exc) |
| raise |
| except subprocess.CalledProcessError as exc: |
| logger.error('Unable to run `{}`: {}', ' '.join(cmd), exc.output) |
| raise |
| |
| |
| def gather_setup_info(fileobj): |
| parsed = ast.parse(fileobj.read(), fileobj.name) |
| visitor = SetupScriptVisitor() |
| visitor.visit(parsed) |
| |
| non_literals, extensions = {}, [] |
| for key, value in visitor.keywords.items(): |
| if key == 'ext_modules': |
| if isinstance(value, list): |
| for ext in value: |
| if (isinstance(ext, ast.Call) and |
| isinstance(ext.func, ast.Name) and |
| ext.func.id == 'Extension' and |
| not has_non_literals(ext.args)): |
| extensions.append(ext.args[0]) |
| elif has_non_literals(value): |
| non_literals[key] = value |
| del visitor.keywords[key] |
| |
| return visitor.keywords, visitor.imported_modules, non_literals, extensions |
| |
| |
| class SetupScriptVisitor(ast.NodeVisitor): |
| def __init__(self): |
| ast.NodeVisitor.__init__(self) |
| self.keywords = {} |
| self.non_literals = [] |
| self.imported_modules = set() |
| |
| def visit_Expr(self, node): |
| if isinstance(node.value, ast.Call) and \ |
| isinstance(node.value.func, ast.Name) and \ |
| node.value.func.id == 'setup': |
| self.visit_setup(node.value) |
| |
| def visit_setup(self, node): |
| call = LiteralAstTransform().visit(node) |
| self.keywords = call.keywords |
| for k, v in self.keywords.iteritems(): |
| if has_non_literals(v): |
| self.non_literals.append(k) |
| |
| def visit_Import(self, node): |
| for alias in node.names: |
| self.imported_modules.add(alias.name) |
| |
| def visit_ImportFrom(self, node): |
| self.imported_modules.add(node.module) |
| |
| |
| class LiteralAstTransform(ast.NodeTransformer): |
| """Simplify the ast through evaluation of literals.""" |
| excluded_fields = ['ctx'] |
| |
| def visit(self, node): |
| if not isinstance(node, ast.AST): |
| return node |
| else: |
| return ast.NodeTransformer.visit(self, node) |
| |
| def generic_visit(self, node): |
| try: |
| return ast.literal_eval(node) |
| except ValueError: |
| for field, value in ast.iter_fields(node): |
| if field in self.excluded_fields: |
| delattr(node, field) |
| if value is None: |
| continue |
| |
| if isinstance(value, list): |
| if field in ('keywords', 'kwargs'): |
| new_value = dict((kw.arg, self.visit(kw.value)) for kw in value) |
| else: |
| new_value = [self.visit(i) for i in value] |
| else: |
| new_value = self.visit(value) |
| setattr(node, field, new_value) |
| return node |
| |
| def visit_Name(self, node): |
| if hasattr('__builtins__', node.id): |
| return getattr(__builtins__, node.id) |
| else: |
| return self.generic_visit(node) |
| |
| def visit_Tuple(self, node): |
| return tuple(self.visit(v) for v in node.elts) |
| |
| def visit_List(self, node): |
| return [self.visit(v) for v in node.elts] |
| |
| def visit_Set(self, node): |
| return set(self.visit(v) for v in node.elts) |
| |
| def visit_Dict(self, node): |
| keys = (self.visit(k) for k in node.keys) |
| values = (self.visit(v) for v in node.values) |
| return dict(zip(keys, values)) |
| |
| |
| def has_non_literals(value): |
| if isinstance(value, ast.AST): |
| return True |
| elif isinstance(value, basestring): |
| return False |
| elif hasattr(value, 'itervalues'): |
| return any(has_non_literals(v) for v in value.itervalues()) |
| elif hasattr(value, '__iter__'): |
| return any(has_non_literals(v) for v in value) |
| |
| |
| def register_recipe_handlers(handlers): |
| # We need to make sure this is ahead of the makefile fallback handler |
| handlers.insert(0, PythonRecipeHandler()) |