Mercurial > repos > guerler > springsuite
comparison planemo/lib/python3.7/site-packages/pip/_internal/distributions/source.py @ 1:56ad4e20f292 draft
"planemo upload commit 6eee67778febed82ddd413c3ca40b3183a3898f1"
| author | guerler |
|---|---|
| date | Fri, 31 Jul 2020 00:32:28 -0400 |
| parents | |
| children |
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| 0:d30785e31577 | 1:56ad4e20f292 |
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| 1 import logging | |
| 2 | |
| 3 from pip._internal.build_env import BuildEnvironment | |
| 4 from pip._internal.distributions.base import AbstractDistribution | |
| 5 from pip._internal.exceptions import InstallationError | |
| 6 | |
| 7 logger = logging.getLogger(__name__) | |
| 8 | |
| 9 | |
| 10 class SourceDistribution(AbstractDistribution): | |
| 11 """Represents a source distribution. | |
| 12 | |
| 13 The preparation step for these needs metadata for the packages to be | |
| 14 generated, either using PEP 517 or using the legacy `setup.py egg_info`. | |
| 15 | |
| 16 NOTE from @pradyunsg (14 June 2019) | |
| 17 I expect SourceDistribution class will need to be split into | |
| 18 `legacy_source` (setup.py based) and `source` (PEP 517 based) when we start | |
| 19 bringing logic for preparation out of InstallRequirement into this class. | |
| 20 """ | |
| 21 | |
| 22 def get_pkg_resources_distribution(self): | |
| 23 return self.req.get_dist() | |
| 24 | |
| 25 def prepare_distribution_metadata(self, finder, build_isolation): | |
| 26 # Prepare for building. We need to: | |
| 27 # 1. Load pyproject.toml (if it exists) | |
| 28 # 2. Set up the build environment | |
| 29 | |
| 30 self.req.load_pyproject_toml() | |
| 31 should_isolate = self.req.use_pep517 and build_isolation | |
| 32 | |
| 33 def _raise_conflicts(conflicting_with, conflicting_reqs): | |
| 34 raise InstallationError( | |
| 35 "Some build dependencies for %s conflict with %s: %s." % ( | |
| 36 self.req, conflicting_with, ', '.join( | |
| 37 '%s is incompatible with %s' % (installed, wanted) | |
| 38 for installed, wanted in sorted(conflicting)))) | |
| 39 | |
| 40 if should_isolate: | |
| 41 # Isolate in a BuildEnvironment and install the build-time | |
| 42 # requirements. | |
| 43 self.req.build_env = BuildEnvironment() | |
| 44 self.req.build_env.install_requirements( | |
| 45 finder, self.req.pyproject_requires, 'overlay', | |
| 46 "Installing build dependencies" | |
| 47 ) | |
| 48 conflicting, missing = self.req.build_env.check_requirements( | |
| 49 self.req.requirements_to_check | |
| 50 ) | |
| 51 if conflicting: | |
| 52 _raise_conflicts("PEP 517/518 supported requirements", | |
| 53 conflicting) | |
| 54 if missing: | |
| 55 logger.warning( | |
| 56 "Missing build requirements in pyproject.toml for %s.", | |
| 57 self.req, | |
| 58 ) | |
| 59 logger.warning( | |
| 60 "The project does not specify a build backend, and " | |
| 61 "pip cannot fall back to setuptools without %s.", | |
| 62 " and ".join(map(repr, sorted(missing))) | |
| 63 ) | |
| 64 # Install any extra build dependencies that the backend requests. | |
| 65 # This must be done in a second pass, as the pyproject.toml | |
| 66 # dependencies must be installed before we can call the backend. | |
| 67 with self.req.build_env: | |
| 68 # We need to have the env active when calling the hook. | |
| 69 self.req.spin_message = "Getting requirements to build wheel" | |
| 70 reqs = self.req.pep517_backend.get_requires_for_build_wheel() | |
| 71 conflicting, missing = self.req.build_env.check_requirements(reqs) | |
| 72 if conflicting: | |
| 73 _raise_conflicts("the backend dependencies", conflicting) | |
| 74 self.req.build_env.install_requirements( | |
| 75 finder, missing, 'normal', | |
| 76 "Installing backend dependencies" | |
| 77 ) | |
| 78 | |
| 79 self.req.prepare_metadata() | |
| 80 self.req.assert_source_matches_version() |