utils/scanpypi: add setup.py script directory as sys.path[0]
Even though the directory containing a package's setup.py was added to sys.path, some setup.py implementations rely on the fact that it is placed in sys.path[0]. An example package is 'cram' which failed to be added with scanpypi: Traceback (most recent call last): File "utils/scanpypi", line 756, in <module> main() File "utils/scanpypi", line 703, in main package.load_setup() File "utils/scanpypi", line 303, in load_setup setup = imp.load_module('setup', s_file, s_path, s_desc) File "/usr/lib/python3.8/imp.py", line 234, in load_module return load_source(name, filename, file) File "/usr/lib/python3.8/imp.py", line 171, in load_source module = _load(spec) File "<frozen importlib._bootstrap>", line 702, in _load File "<frozen importlib._bootstrap>", line 671, in _load_unlocked File "<frozen importlib._bootstrap_external>", line 783, in exec_module File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed File "/tmp/scanpypi-2pzc5wb_/python-cram/cram-0.7/setup.py", line 44, in <module> long_description=long_description(), File "/tmp/scanpypi-2pzc5wb_/python-cram/cram-0.7/setup.py", line 20, in long_description return open(os.path.join(sys.path[0], 'README.rst')).read() FileNotFoundError: [Errno 2] No such file or directory: '.../buildroot/utils/README.rst' The corresponding code from cram's setup.py is: def long_description(): """Get the long description from the README""" return open(os.path.join(sys.path[0], 'README.rst')).read() Indeed, the Python documentation says: https://docs.python.org/3.8/library/sys.html#sys.path "... As initialized upon program startup, the first item of this list, path[0], is the directory containing the script that was used to invoke the Python interpreter. ..." Fix this by inserting explicitly at index 0 instead of appending to sys.path. Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
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@ -297,7 +297,7 @@ class BuildrootPackage():
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"""
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current_dir = os.getcwd()
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os.chdir(self.tmp_extract)
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sys.path.append(self.tmp_extract)
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sys.path.insert(0,self.tmp_extract)
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s_file, s_path, s_desc = imp.find_module('setup', [self.tmp_extract])
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setup = imp.load_module('setup', s_file, s_path, s_desc)
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if self.metadata_name in self.setup_args:
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