diff options
Diffstat (limited to 'wheel/install.py')
| -rw-r--r-- | wheel/install.py | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/wheel/install.py b/wheel/install.py index 3af6d0c..768fec4 100644 --- a/wheel/install.py +++ b/wheel/install.py @@ -335,25 +335,36 @@ class WheelFile(object): record_name = self.distinfo_name + '/RECORD' for info, (key, target, filename, dest) in name_trans.items(): name = info.filename - source = self.zipfile.open(info) - # Skip the RECORD file - if name == record_name: - continue ddir = os.path.dirname(dest) if not os.path.isdir(ddir): os.makedirs(ddir) - destination = HashingFile(open(dest, 'wb')) - if key == 'scripts': - hashbang = source.readline() - if hashbang.startswith(b'#!python'): - hashbang = b'#!' + exename + binary(os.linesep) - destination.write(hashbang) - shutil.copyfileobj(source, destination) + + if force: + dest = "{0}.tmp".format(dest) + + with self.zipfile.open(info) as source, open(dest, 'wb') as f: + destination = HashingFile(f) + + # Skip the RECORD file + if name == record_name: + continue + + if key == 'scripts': + hashbang = source.readline() + if hashbang.startswith(b'#!python'): + hashbang = b'#!' + exename + binary(os.linesep) + destination.write(hashbang) + shutil.copyfileobj(source, destination) + + if force: + tmp = dest + dest = dest[:-4] + os.rename(tmp, dest) + reldest = os.path.relpath(dest, root) reldest.replace(os.sep, '/') record_data.append((reldest, destination.digest(), destination.length)) - destination.close() - source.close() + # preserve attributes (especially +x bit for scripts) attrs = info.external_attr >> 16 if attrs: # tends to be 0 if Windows. |