def unpack_url(link, location, download_dir=None,
only_download=False, session=None):
"""Unpack link.
If link is a VCS link:
if only_download, export into download_dir and ignore location
else unpack into location
for other types of link:
- unpack into location
- if download_dir, copy the file into download_dir
- if only_download, mark location for deletion
"""
# non-editable vcs urls
if is_vcs_url(link):
unpack_vcs_link(link, location, only_download)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir)
if only_download:
write_delete_marker_file(location)
# http urls
else:
if session is None:
session = PipSession()
unpack_http_url(
link,
location,
download_dir,
session,
)
if only_download:
write_delete_marker_file(location)
def test_pip_wheel_fail_cause_of_previous_build_dir(script, data):
"""
Test when 'pip wheel' tries to install a package that has a previous build
directory
"""
script.pip("install", "wheel")
# Given that I have a previous build dir of the `simple` package
build = script.venv_path / "build" / "simple"
os.makedirs(build)
write_delete_marker_file(script.venv_path / "build")
build.join("setup.py").write("#")
# When I call pip trying to install things again
result = script.pip(
"wheel",
"--no-index",
"--find-links=%s" % data.find_links,
"--build",
script.venv_path / "build",
"simple==3.0",
expect_error=True,
)
# Then I see that the error code is the right one
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR, result
def test_pip_wheel_fail_cause_of_previous_build_dir(script, data):
"""
Test when 'pip wheel' tries to install a package that has a previous build
directory
"""
script.pip('install', 'wheel')
# Given that I have a previous build dir of the `simple` package
build = script.venv_path / 'build' / 'simple'
os.makedirs(build)
write_delete_marker_file(script.venv_path / 'build')
build.join('setup.py').write('#')
# When I call pip trying to install things again
result = script.pip(
'wheel',
'--no-index',
'--find-links=%s' % data.find_links,
'--build',
script.venv_path / 'build',
'simple==3.0',
expect_error=True,
)
# Then I see that the error code is the right one
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR, result
def unpack_url(self, link, location, download_dir=None,
only_download=False):
if download_dir is None:
download_dir = self.download_dir
# non-editable vcs urls
if is_vcs_url(link):
if only_download:
loc = download_dir
else:
loc = location
unpack_vcs_link(link, loc, only_download)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir)
if only_download:
write_delete_marker_file(location)
# http urls
else:
unpack_http_url(
link,
location,
self.download_cache,
download_dir,
self.session,
)
if only_download:
write_delete_marker_file(location)
def test_cleanup_prevented_upon_build_dir_exception(script, data):
"""
Test no cleanup occurs after a PreviousBuildDirError
"""
build = script.venv_path/'build'/'simple'
os.makedirs(build)
write_delete_marker_file(script.venv_path/'build')
build.join("setup.py").write("#")
result = script.pip('install', '-f', data.find_links, '--no-index', 'simple', expect_error=True)
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR
assert "pip can't proceed" in result.stdout, result.stdout
assert exists(build)
def test_pip_wheel_fail_cause_of_previous_build_dir(script, data):
"""Test when 'pip wheel' tries to install a package that has a previous build directory"""
script.pip('install', 'wheel')
# Given that I have a previous build dir of the `simple` package
build = script.venv_path / 'build' / 'simple'
os.makedirs(build)
write_delete_marker_file(script.venv_path / 'build')
build.join('setup.py').write('#')
# When I call pip trying to install things again
result = script.pip('wheel', '--no-index', '--find-links=%s' % data.find_links, 'simple==3.0', expect_error=True)
# Then I see that the error code is the right one
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR
def test_cleanup_prevented_upon_build_dir_exception(script, data):
"""
Test no cleanup occurs after a PreviousBuildDirError
"""
build = script.venv_path / 'build'
build_simple = build / 'simple'
os.makedirs(build_simple)
write_delete_marker_file(build)
build_simple.join("setup.py").write("#")
result = script.pip(
'install', '-f', data.find_links, '--no-index', 'simple',
'--build', build,
expect_error=True,
)
assert result.returncode == PREVIOUS_BUILD_DIR_ERROR
assert "pip can't proceed" in result.stdout, result.stdout
assert exists(build_simple)
def unpack_url(link,
location,
download_dir=None,
only_download=False,
session=None,
hashes=None,
progress_bar="on"):
"""Unpack link.
If link is a VCS link:
if only_download, export into download_dir and ignore location
else unpack into location
for other types of link:
- unpack into location
- if download_dir, copy the file into download_dir
- if only_download, mark location for deletion
:param hashes: A Hashes object, one of whose embedded hashes must match,
or HashMismatch will be raised. If the Hashes is empty, no matches are
required, and unhashable types of requirements (like VCS ones, which
would ordinarily raise HashUnsupported) are allowed.
"""
# non-editable vcs urls
if is_vcs_url(link):
unpack_vcs_link(link, location)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir, hashes=hashes)
# http urls
else:
if session is None:
session = PipSession()
unpack_http_url(link,
location,
download_dir,
session,
hashes=hashes,
progress_bar=progress_bar)
if only_download:
write_delete_marker_file(location)
def unpack_url(link, location, download_dir=None,
only_download=False, session=None, hashes=None,
progress_bar="on"):
"""Unpack link.
If link is a VCS link:
if only_download, export into download_dir and ignore location
else unpack into location
for other types of link:
- unpack into location
- if download_dir, copy the file into download_dir
- if only_download, mark location for deletion
:param hashes: A Hashes object, one of whose embedded hashes must match,
or HashMismatch will be raised. If the Hashes is empty, no matches are
required, and unhashable types of requirements (like VCS ones, which
would ordinarily raise HashUnsupported) are allowed.
"""
# non-editable vcs urls
if is_vcs_url(link):
unpack_vcs_link(link, location)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir, hashes=hashes)
# http urls
else:
if session is None:
session = PipSession()
unpack_http_url(
link,
location,
download_dir,
session,
hashes=hashes,
progress_bar=progress_bar
)
if only_download:
write_delete_marker_file(location)
def _make_build_dir(build_dir):
os.makedirs(build_dir)
write_delete_marker_file(build_dir)
def _make_build_dir(build_dir):
os.makedirs(build_dir)
write_delete_marker_file(build_dir)
encodings = ['utf-8', locale.getpreferredencoding(False), 'latin1']
for enc in encodings:
try:
data = data.decode(enc)
except UnicodeDecodeError:
continue
break
assert type(data) != bytes # Latin1 should have worked.
return data
def _make_build_dir(build_dir):
os.makedirs(build_dir)
write_delete_marker_file(build_dir)
class FakeFile(object):
"""Wrap a list of lines in an object with readline() to make
ConfigParser happy."""
def __init__(self, lines):
self._gen = (l for l in lines)
def readline(self):
try:
try:
return next(self._gen)
except NameError:
return self._gen.next()
except StopIteration:
if only_download, export into download_dir and ignore location
else unpack into location
for other types of link:
- unpack into location
- if download_dir, copy the file into download_dir
- if only_download, mark location for deletion
"""
# non-editable vcs urls
if is_vcs_url(link):
unpack_vcs_link(link, location, only_download)
# file urls
elif is_file_url(link):
unpack_file_url(link, location, download_dir)
if only_download:
write_delete_marker_file(location)
# http urls
else:
if session is None:
session = PipSession()
unpack_http_url(
link,
location,
download_dir,
session,
)
if only_download:
write_delete_marker_file(location)
