Fix conda environment support for trains 0.16.3 full env. Add agent.package_manager.conda_full_env_update to allow conda to update back the requirements (default is false, to preserve previous behavior)

This commit is contained in:
allegroai 2020-10-11 11:24:52 +03:00
parent 6f078afafd
commit 9fe77f3c28
3 changed files with 152 additions and 16 deletions

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@ -62,6 +62,7 @@ agent {
# additional conda channels to use when installing with conda package manager
conda_channels: ["pytorch", "conda-forge", ]
# conda_full_env_update: false
# set the priority packages to be installed before the rest of the required packages
# priority_packages: ["cython", "numpy", "setuptools", ]

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@ -1452,7 +1452,10 @@ class Worker(ServiceCommandSection):
# do not update the task packages if we are using conda,
# it will most likely make the task environment unreproducible
freeze = self.freeze_task_environment(current_task.id if not self.is_conda else None,
skip_freeze_update = self.is_conda and not self._session.config.get(
"agent.package_manager.conda_full_env_update", False)
freeze = self.freeze_task_environment(current_task.id if not skip_freeze_update else None,
requirements_manager=requirements_manager)
script_dir = (directory if isinstance(directory, Path) else Path(directory)).absolute().as_posix()

View File

@ -4,6 +4,7 @@ import json
import re
import shutil
import subprocess
from collections import OrderedDict
from distutils.spawn import find_executable
from functools import partial
from itertools import chain
@ -228,21 +229,126 @@ class CondaAPI(PackageManager):
def freeze(self):
requirements = self.pip.freeze()
# noinspection PyBroadException
try:
conda_packages = json.loads(self._run_command((self.conda, "list", "--json", "-p", self.path), raw=True))
conda_packages_txt = []
requirements_pip = [r.split('==')[0].strip().lower() for r in requirements['pip']]
requirements_pip = [r.split('==', 1)[0].split('@', 1)[0].strip().lower() for r in requirements['pip']]
for pkg in conda_packages:
# skip if this is a pypi package or it is not a python package at all
if pkg['channel'] == 'pypi' or pkg['name'].lower() not in requirements_pip:
# if pkg['channel'] == 'pypi' or pkg['name'].lower() not in requirements_pip:
# continue
# skip if this is a pypi package or name starts with _ (internal conda)
if pkg['channel'] == 'pypi' or pkg['name'].strip().startswith('_'):
continue
conda_packages_txt.append('{0}{1}{2}'.format(pkg['name'], '==', pkg['version']))
requirements['conda'] = conda_packages_txt
except:
except Exception:
pass
# noinspection PyBroadException
try:
conda_env_json = json.loads(
self._run_command((self.conda, "env", "export", "--json", "-p", self.path), raw=True))
conda_env_json.pop('name', None)
conda_env_json.pop('prefix', None)
conda_env_json.pop('channels', None)
requirements['conda_env_json'] = json.dumps(conda_env_json)
except Exception:
pass
return requirements
def _load_conda_full_env(self, conda_env_dict, requirements):
# noinspection PyBroadException
try:
cuda_version = int(self.session.config.get('agent.cuda_version', 0))
except Exception:
cuda_version = 0
conda_env_dict['channels'] = self.extra_channels
if 'dependencies' not in conda_env_dict:
conda_env_dict['dependencies'] = []
new_dependencies = OrderedDict()
pip_requirements = None
for line in conda_env_dict['dependencies']:
if isinstance(line, dict):
pip_requirements = line.pop('pip', None)
continue
name = line.strip().split('=', 1)[0].lower()
if name == 'pip':
continue
elif name == 'python':
line = 'python={}'.format('.'.join(line.split('=')[1].split('.')[:2]))
elif name == 'tensorflow-gpu' and cuda_version == 0:
line = 'tensorflow={}'.format(line.split('=')[1])
elif name == 'tensorflow' and cuda_version > 0:
line = 'tensorflow-gpu={}'.format(line.split('=')[1])
elif name in ('cudatoolkit', 'cupti', 'cudnn'):
continue
elif name.startswith('_'):
continue
new_dependencies[line.split('=', 1)[0].strip()] = line
# fix packages:
conda_env_dict['dependencies'] = list(new_dependencies.values())
with self.temp_file("conda_env", yaml.dump(conda_env_dict), suffix=".yml") as name:
print('Conda: Trying to install requirements:\n{}'.format(conda_env_dict['dependencies']))
result = self._run_command(
("env", "update", "-p", self.path, "--file", name)
)
# check if we need to remove specific packages
bad_req = self._parse_conda_result_bad_packges(result)
if bad_req:
print('failed installing the following conda packages: {}'.format(bad_req))
return False
if pip_requirements:
# create a list of vcs packages that we need to replace in the pip section
vcs_reqs = {}
if 'pip' in requirements:
pip_lines = requirements['pip'].splitlines() \
if isinstance(requirements['pip'], six.string_types) else requirements['pip']
for line in pip_lines:
try:
marker = list(parse(line))
except Exception:
marker = None
if not marker:
continue
m = MarkerRequirement(marker[0])
if m.vcs:
vcs_reqs[m.name] = m
try:
pip_req_str = [str(vcs_reqs.get(r.split('=', 1)[0], r)) for r in pip_requirements
if not r.startswith('pip=') and not r.startswith('virtualenv=')]
print('Conda: Installing requirements: step 2 - using pip:\n{}'.format(pip_req_str))
PackageManager._selected_manager = self.pip
self.pip.load_requirements({'pip': '\n'.join(pip_req_str)})
except Exception as e:
print(e)
raise e
finally:
PackageManager._selected_manager = self
self.requirements_manager.post_install(self.session)
def load_requirements(self, requirements):
# if we have a full conda environment, use it and pass the pip to pip
if requirements.get('conda_env_json'):
# noinspection PyBroadException
try:
conda_env_json = json.loads(requirements.get('conda_env_json'))
print('Conda restoring full yaml environment')
return self._load_conda_full_env(conda_env_json, requirements)
except Exception:
print('Could not load fully stored conda environment, falling back to requirements')
# create new environment file
conda_env = dict()
conda_env['channels'] = self.extra_channels
@ -276,6 +382,15 @@ class CondaAPI(PackageManager):
if m.vcs:
pip_requirements.append(m)
continue
# Skip over pip
if m.name in ('pip', 'virtualenv', ):
continue
# python version, only major.minor
if m.name == 'python' and m.specs:
m.specs = [(m.specs[0][0], '.'.join(m.specs[0][1].split('.')[:2])), ]
if '.' not in m.specs[0][1]:
continue
conda_supported_req_names.append(m.name.lower())
if m.req.name.lower() == 'matplotlib':
has_matplotlib = True
@ -303,15 +418,20 @@ class CondaAPI(PackageManager):
continue
m = MarkerRequirement(marker[0])
# skip over local files (we cannot change the version to a local file)
if m.local_file:
continue
m_name = m.name.lower()
if m_name in conda_supported_req_names:
# this package is in the conda list,
# make sure that if we changed version and we match it in conda
conda_supported_req_names.remove(m_name)
## conda_supported_req_names.remove(m_name)
for cr in reqs:
if m_name == cr.name.lower():
if m_name.lower().replace('_', '-') == cr.name.lower().replace('_', '-'):
# match versions
cr.specs = m.specs
# # conda always likes "-" not "_" but only on pypi packages
# cr.name = cr.name.lower().replace('_', '-')
break
else:
# not in conda, it is a pip package
@ -319,29 +439,38 @@ class CondaAPI(PackageManager):
if m_name == 'matplotlib':
has_matplotlib = True
# remove any leftover conda packages (they were removed from the pip list)
if conda_supported_req_names:
reqs = [r for r in reqs if r.name.lower() not in conda_supported_req_names]
# Conda requirements Hacks:
if has_matplotlib:
reqs.append(MarkerRequirement(Requirement.parse('graphviz')))
reqs.append(MarkerRequirement(Requirement.parse('python-graphviz')))
reqs.append(MarkerRequirement(Requirement.parse('kiwisolver')))
# remove specific cudatoolkit, it should have being preinstalled.
reqs = [r for r in reqs if r.name not in ('cudatoolkit', 'cudnn', 'cupti')]
if has_torch and cuda_version == 0:
reqs.append(MarkerRequirement(Requirement.parse('cpuonly')))
# make sure we have no double entries
reqs = list(OrderedDict((r.name, r) for r in reqs).values())
# conform conda packages (version/name)
for r in reqs:
# change _ to - in name but not the prefix _ (as this is conda prefix)
if not r.name.startswith('_'):
r.name = r.name.replace('_', '-')
# remove .post from version numbers, it fails ~= version, and change == to ~=
if r.specs and r.specs[0]:
r.specs = [(r.specs[0][0].replace('==', '~='), r.specs[0][1].split('.post')[0])]
# conda always likes "-" not "_"
r.req.name = r.req.name.replace('_', '-')
while reqs:
# notice, we give conda more freedom in version selection, to help it choose best combination
conda_env['dependencies'] = [r.tostr() for r in reqs]
def clean_ver(ar):
if not ar.specs:
return ar.tostr()
ar.specs = [(ar.specs[0][0], ar.specs[0][1] + '.0' if '.' not in ar.specs[0][1] else ar.specs[0][1])]
return ar.tostr()
conda_env['dependencies'] = [clean_ver(r) for r in reqs]
with self.temp_file("conda_env", yaml.dump(conda_env), suffix=".yml") as name:
print('Conda: Trying to install requirements:\n{}'.format(conda_env['dependencies']))
result = self._run_command(
@ -371,12 +500,15 @@ class CondaAPI(PackageManager):
if pip_requirements:
try:
pip_req_str = [r.tostr() for r in pip_requirements]
pip_req_str = [r.tostr() for r in pip_requirements if r.name not in ('pip', 'virtualenv', )]
print('Conda: Installing requirements: step 2 - using pip:\n{}'.format(pip_req_str))
self.pip.load_requirements('\n'.join(pip_req_str))
PackageManager._selected_manager = self.pip
self.pip.load_requirements({'pip': '\n'.join(pip_req_str)})
except Exception as e:
print(e)
raise e
finally:
PackageManager._selected_manager = self
self.requirements_manager.post_install(self.session)
return True
@ -442,7 +574,7 @@ class CondaAPI(PackageManager):
return CommandSequence(self.source, self.pip.get_python_command(extra=extra))
# enable hashing with cmp=False because pdb fails on unhashable exceptions
# enable hashing with cmp=False because pdb fails on un-hashable exceptions
exception = attrs(str=True, cmp=False)