diff options
Diffstat (limited to 'setuptools/installer.py')
| -rw-r--r-- | setuptools/installer.py | 23 |
1 files changed, 8 insertions, 15 deletions
diff --git a/setuptools/installer.py b/setuptools/installer.py index e630b874..ac2aba18 100644 --- a/setuptools/installer.py +++ b/setuptools/installer.py @@ -80,20 +80,17 @@ def fetch_build_egg(dist, req): if 'allow_hosts' in opts: raise DistutilsError('the `allow-hosts` option is not supported ' 'when using pip to install requirements.') - if 'PIP_QUIET' in os.environ or 'PIP_VERBOSE' in os.environ: - quiet = False - else: - quiet = True + quiet = 'PIP_QUIET' not in os.environ and 'PIP_VERBOSE' not in os.environ if 'PIP_INDEX_URL' in os.environ: index_url = None elif 'index_url' in opts: index_url = opts['index_url'][1] else: index_url = None - if 'find_links' in opts: - find_links = _fixup_find_links(opts['find_links'][1])[:] - else: - find_links = [] + find_links = ( + _fixup_find_links(opts['find_links'][1])[:] if 'find_links' in opts + else [] + ) if dist.dependency_links: find_links.extend(dist.dependency_links) eggs_dir = os.path.realpath(dist.get_egg_cache_dir()) @@ -112,16 +109,12 @@ def fetch_build_egg(dist, req): cmd.append('--quiet') if index_url is not None: cmd.extend(('--index-url', index_url)) - if find_links is not None: - for link in find_links: - cmd.extend(('--find-links', link)) + for link in find_links or []: + cmd.extend(('--find-links', link)) # If requirement is a PEP 508 direct URL, directly pass # the URL to pip, as `req @ url` does not work on the # command line. - if req.url: - cmd.append(req.url) - else: - cmd.append(str(req)) + cmd.append(req.url or str(req)) try: subprocess.check_call(cmd) except subprocess.CalledProcessError as e: |