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Limit the maximum length of virtualenv_name

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Hyeon Kim
2017-02-21 14:19:09 +09:00
parent a81197d6bf
commit ed6b73c84f
1 changed files with 9 additions and 2 deletions
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pipenv/project.py
+9 -2
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@@ -42,12 +42,19 @@ class Project(object):
@property
def virtualenv_name(self):
# Replace dangerous characters into '_'
# Replace dangerous characters into '_'. The length of the sanitized
# project name is limited as 42 because of the limit of linux kernel
#
# 42 = 127 - len('/home//.local/share/virtualenvs//bin/python2') - 32 - len('-HASHHASH')
#
# 127 : BINPRM_BUF_SIZE - 1
# 32 : Maxmimum length of username
#
# References:
# https://www.gnu.org/software/bash/manual/html_node/Double-Quotes.html
# http://www.tldp.org/LDP/abs/html/special-chars.html#FIELDREF
sanitized = re.sub(r'[ $`!*@"\\\r\n\t]', '_', self.name)
# https://github.com/torvalds/linux/blob/2bfe01ef/include/uapi/linux/binfmts.h#L18
sanitized = re.sub(r'[ $`!*@"\\\r\n\t]', '_', self.name)[0:42]
# Hash the full path of the pipfile
hash = hashlib.sha256(self.pipfile_location.encode()).digest()[:6]