rally-openstack/tests/ci/sync_requirements.py
Andrey Kurilin 9527c16a65 Update requirements
* update upper-constraints
* update test and main requirements

Change-Id: Iba247fdc5566ff6073e0ec3dd7b0070a0dd36196
2018-08-17 15:42:54 +03:00

386 lines
14 KiB
Python

#!/usr/bin/env python
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Synchronizes, formats and prepares requirements to release(obtains and adds
maximum allowed version).
"""
import collections
import logging
import re
import sys
import textwrap
import pkg_resources
import requests
LOG = logging.getLogger(__name__)
if not LOG.handlers:
LOG.addHandler(logging.StreamHandler())
LOG.setLevel(logging.INFO)
GLOBAL_REQUIREMENTS_LOCATIONS = (
"https://raw.githubusercontent.com/openstack/requirements/master/",
"http://git.openstack.org/cgit/openstack/requirements/plain/"
)
RALLY_REQUIREMENTS_FILES = (
"requirements.txt",
"test-requirements.txt"
)
DO_NOT_TOUCH_TAG = "[do-not-touch]"
class Comment(object):
def __init__(self, s=None, finished=False):
self._comments = []
self.is_finished = finished
if s:
self.append(s)
def finish_him(self):
self.is_finished = True
def append(self, s):
self._comments.append(s[1:].strip())
def __str__(self):
return textwrap.fill("\n".join(self._comments), width=80,
initial_indent="# ", subsequent_indent="# ")
_PYPI_CACHE = {}
class PYPIPackage(object):
# NOTE(andreykurilin): one license can have different labels. Let's use
# unified variant.
LICENSE_MAP = {"MIT license": "MIT",
"MIT License": "MIT",
"BSD License": "BSD",
"Apache 2.0": "Apache License, Version 2.0"}
def __init__(self, package_name):
self.package_name = package_name
self._pypi_info = None
self._pypi_license = None
@property
def pypi_info(self):
if self._pypi_info is None:
if self.package_name in _PYPI_CACHE:
self._pypi_info = _PYPI_CACHE[self.package_name]
else:
resp = requests.get("https://pypi.org/pypi/%s/json" %
self.package_name)
if resp.status_code != 200:
print("An error occurred while checking '%s' package at "
"pypi." % self.package_name)
raise Exception(resp.text)
self._pypi_info = resp.json()
# let's cache it for the case when we need to sync requirements
# and update upper constrains
_PYPI_CACHE[self.package_name] = self._pypi_info
return self._pypi_info
@property
def pypi_version(self):
return self.pypi_info["info"]["version"]
@property
def pypi_license(self):
if self._pypi_license is None:
if self.pypi_info["info"]["license"]:
self._pypi_license = self.pypi_info["info"]["license"]
else:
# try to parse classifiers
prefix = "License :: OSI Approved :: "
classifiers = [c[len(prefix):]
for c in self.pypi_info["info"]["classifiers"]
if c.startswith(prefix)]
self._pypi_license = "/".join(classifiers)
self._license = self.LICENSE_MAP.get(self._pypi_license,
self._pypi_license)
if self._pypi_license == "UNKNOWN":
self._pypi_license = None
return self._license
def __eq__(self, other):
return (isinstance(other, PYPIPackage) and
self.package_name == other.package_name)
class Requirement(PYPIPackage):
RE_NAME = re.compile(r"[a-zA-Z0-9-._]+")
RE_CONST_VERSION = re.compile(r"==[a-zA-Z0-9.]+")
RE_MIN_VERSION = re.compile(r">=?[a-zA-Z0-9.]+")
RE_MAX_VERSION = re.compile(r"<=?[a-zA-Z0-9.]+")
RE_NE_VERSIONS = re.compile(r"!=[a-zA-Z0-9.]+")
def __init__(self, package_name, version):
super(Requirement, self).__init__(package_name)
self.version = version
self.do_not_touch = False
def sync_max_version_with_pypy(self):
if isinstance(self.version, dict) and not self.do_not_touch:
self.version["max"] = "<=%s" % self.pypi_version
@classmethod
def parse_line(cls, line):
match = cls.RE_NAME.match(line)
if match:
name = match.group()
# remove name
versions = line.replace(name, "")
# remove comments
versions = versions.split("#")[0]
# remove python classifiers
versions = versions.split(";")[0].strip()
if not cls.RE_CONST_VERSION.match(versions):
versions = versions.strip().split(",")
min_version = None
max_version = None
ne_versions = []
for version in versions:
if cls.RE_MIN_VERSION.match(version):
if min_version:
raise Exception("Found several min versions for "
"%s package." % name)
min_version = version
elif cls.RE_MAX_VERSION.match(version):
if max_version:
raise Exception("Found several max versions for "
"%s package." % name)
max_version = version
elif cls.RE_NE_VERSIONS.match(version):
ne_versions.append(version)
versions = {"min": min_version,
"max": max_version,
"ne": ne_versions}
return cls(name, versions)
def __str__(self):
if isinstance(self.version, dict):
version = []
min_equal_to_max = False
if self.version["min"] and self.version["max"]:
if (self.version["min"].startswith(">=") and
self.version["max"].startswith("<=") and
self.version["min"][2:] == self.version["max"][2:]):
# min and max versions are equal there is no need to write
# both of them
min_equal_to_max = True
version.append("==%s" % self.version["min"][2:])
if not min_equal_to_max and self.version["min"]:
version.append(self.version["min"])
if not min_equal_to_max and self.version["ne"]:
version.extend(self.version["ne"])
if not min_equal_to_max and self.version["max"]:
version.append(self.version["max"])
version = ",".join(version)
else:
if self.do_not_touch:
version = self.version
else:
# remove const version
version = ">=%s" % self.version[2:]
string = "%s%s" % (self.package_name, version)
if self.pypi_license:
# NOTE(andreykurilin): When I start implementation of this script,
# python-keystoneclient dependency string took around ~45-55
# chars, so let's use this length as indent. Feel free to modify
# it to lower or greater value.
magic_number = 55
if len(string) < magic_number:
indent = magic_number - len(string)
else:
indent = 2
string += " " * indent + "# " + self.pypi_license
return string
def __eq__(self, other):
return (isinstance(other, self.__class__) and
self.package_name == other.package_name)
def __ne__(self, other):
return not self.__eq__(other)
class UpperConstraint(PYPIPackage):
RE_LINE = re.compile(
r"(?P<package_name>[a-zA-Z0-9-._]+)===(?P<version>[a-zA-Z0-9.]+)")
def __init__(self, package_name, version=None):
super(UpperConstraint, self).__init__(package_name)
self._version = version
def __str__(self):
return "%s===%s" % (self.package_name, self.version)
@property
def version(self):
if self._version is None:
self._version = self.pypi_version
return self._version
@classmethod
def parse_line(cls, line):
match = cls.RE_LINE.match(line)
if match:
return cls(**match.groupdict())
def update(self, version):
self._version = version
def fetch_version(self):
self._version = None
return self.version
def parse_data(raw_data, include_comments=True, dependency_cls=Requirement):
# first elem is None to simplify checks of last elem in requirements
requirements = [None]
for line in raw_data.split("\n"):
if line.startswith("#"):
if not include_comments:
continue
if getattr(requirements[-1], "is_finished", True):
requirements.append(Comment())
requirements[-1].append(line)
elif line == "":
# just empty line
if isinstance(requirements[-1], Comment):
requirements[-1].finish_him()
requirements.append(Comment(finished=True))
else:
if (isinstance(requirements[-1], Comment) and
not requirements[-1].is_finished):
requirements[-1].finish_him()
# parse_line
dep = dependency_cls.parse_line(line)
if dep:
if (isinstance(requirements[-1], Comment) and
DO_NOT_TOUCH_TAG in str(requirements[-1])):
dep.do_not_touch = True
requirements.append(dep)
for i in range(len(requirements) - 1, 0, -1):
# remove empty lines at the end of file
if isinstance(requirements[i], Comment):
if str(requirements[i]) == "":
requirements.pop(i)
else:
break
return collections.OrderedDict(
(v if isinstance(v, Comment) else v.package_name, v)
for v in requirements if v)
def _fetch_from_gr(filename):
"""Try to fetch data from OpenStack global-requirements repo"""
for i in range(0, len(GLOBAL_REQUIREMENTS_LOCATIONS)):
url = GLOBAL_REQUIREMENTS_LOCATIONS[i] + filename
LOG.debug("Try to obtain %s from %s" % (filename, url))
try:
return requests.get(url).text
except requests.ConnectionError as e:
LOG.exception(e)
raise Exception("Unable to obtain %s" % filename)
def _write_requirements(filename, requirements):
"""Saves requirements to file."""
if isinstance(requirements, dict):
requirements = requirements.values()
LOG.info("Saving requirements to %s." % filename)
with open(filename, "w") as f:
for entity in requirements:
f.write(str(entity))
f.write("\n")
def sync_requirements():
"""Synchronizes Rally requirements with OpenStack global-requirements."""
LOG.info("Obtaining global-requirements of OpenStack...")
raw_gr = _fetch_from_gr("global-requirements.txt")
# NOTE(andreykurilin): global-requirements includes comments which can be
# unrelated to Rally project, so let's just ignore them
gr = parse_data(raw_gr, include_comments=False)
for file_name in RALLY_REQUIREMENTS_FILES:
LOG.debug("Processing '%s'." % file_name)
with open(file_name) as f:
requirements = parse_data(f.read())
for name, req in requirements.items():
if isinstance(req, Requirement) and not req.do_not_touch:
if name in gr:
req.version = gr[req.package_name].version
else:
# it not g-r requirements
if isinstance(req.version, dict):
req.version["max"] = None
_write_requirements(file_name, requirements)
def update_upper_constraints():
"""Obtains latest version of packages and put them to upper-constraints."""
LOG.info("Obtaining upper-constrains from OpenStack...")
raw_g_uc = _fetch_from_gr("upper-constraints.txt")
# NOTE(andreykurilin): global OpenStack upper-constraints file includes
# comments which can be unrelated to Rally project, so let's just ignore
# them.
global_uc = parse_data(raw_g_uc,
include_comments=False,
dependency_cls=UpperConstraint)
our_uc = [UpperConstraint(package_name=p.project_name, version=p.version)
for p in pkg_resources.working_set
# do not include the current package at u-c
if p.project_name != "rally-openstack"]
for package in our_uc:
if package.package_name in global_uc:
# we cannot use whatever we want versions in CI. OpenStack CI
# ignores versions listed in requirements of
# particular project and use versions from global u-c file.
# It means that we need to suggest to use the same versions
package.update(global_uc[package.package_name].version)
our_uc = sorted(our_uc, key=lambda o: o.package_name.upper())
_write_requirements("upper-constraints.txt", our_uc)
def main():
sync_requirements()
update_upper_constraints()
if __name__ == "__main__":
sys.exit(main())