def get_installer(module):
"""
Try to find which package manager installed a module.
:param module: Module to check
:return: Package manager or None
"""
file_name = get_module_file_attribute(module)
site_dir = file_name[:file_name.index('site-packages') +
len('site-packages')]
# This is necessary for situations where the project name and module name do not match, e.g.,
# pyenchant (project name) vs. enchant (module name).
pkgs = pkg_resources.find_distributions(site_dir)
package = None
for pkg in pkgs:
if module.lower() in pkg.key:
package = pkg
break
metadata_dir, dest_dir = copy_metadata(package)[0]
# Check for an INSTALLER file in the metedata_dir and return the first line which should be the program that
# installed the module.
installer_file = os.path.join(metadata_dir, 'INSTALLER')
if os.path.isdir(metadata_dir) and os.path.exists(installer_file):
with open(installer_file, 'r') as installer_file_object:
lines = installer_file_object.readlines()
if lines[0] != '':
installer = lines[0].rstrip('\r\n')
logger.debug(
"Found installer: '{0}' for module: '{1}' from package: '{2}'"
.format(installer, module, package))
return installer
if compat.is_darwin:
try:
output = compat.exec_command_stdout('port', 'provides', file_name)
if 'is provided by' in output:
logger.debug(
"Found installer: 'macports' for module: '{0}' from package: '{1}'"
.format(module, package))
return 'macports'
except ExecCommandFailed:
pass
real_path = os.path.realpath(file_name)
if 'Cellar' in real_path:
logger.debug(
"Found installer: 'homebrew' for module: '{0}' from package: '{1}'"
.format(module, package))
return 'homebrew'
return None
#
# To make it easier to rewrite, we just always write @executable_path,
# since its significantly easier to find/replace at runtime. :)
#
# If we need to rewrite it...
if not is_win:
# To permit string munging, decode the encoded bytes output by this
# command (i.e., enable the "universal_newlines" option). Note that:
#
# * Under Python 2.7, "cachedata" will be a decoded "unicode" object.
# * Under Python 3.x, "cachedata" will be a decoded "str" object.
#
# On Fedora, the default loaders cache is /usr/lib64, but the libdir
# is actually /lib64. To get around this, we pass the path to the
# loader command, and it will create a cache with the right path.
cachedata = exec_command_stdout(gdk_pixbuf_query_loaders,
*loader_libs)
cd = []
prefix = '"' + os.path.join(libdir, 'gdk-pixbuf-2.0', '2.10.0')
plen = len(prefix)
# For each line in the updated loader cache...
for line in cachedata.splitlines():
if line.startswith('#'):
continue
if line.startswith(prefix):
line = '"@executable_path/' + cachedest + line[plen:]
cd.append(line)
# Rejoin these lines in a manner preserving this object's "unicode"
# type under Python 2.
#
# To make it easier to rewrite, we just always write @executable_path,
# since its significantly easier to find/replace at runtime. :)
#
# If we need to rewrite it...
if not is_win:
# To permit string munging, decode the encoded bytes output by this
# command (i.e., enable the "universal_newlines" option). Note that:
#
# * Under Python 2.7, "cachedata" will be a decoded "unicode" object.
# * Under Python 3.x, "cachedata" will be a decoded "str" object.
#
# On Fedora, the default loaders cache is /usr/lib64, but the libdir
# is actually /lib64. To get around this, we pass the path to the
# loader command, and it will create a cache with the right path.
cachedata = exec_command_stdout(gdk_pixbuf_query_loaders,
*loader_libs)
cd = []
prefix = '"' + os.path.join(libdir, 'gdk-pixbuf-2.0', '2.10.0')
plen = len(prefix)
# For each line in the updated loader cache...
for line in cachedata.splitlines():
if line.startswith('#'):
continue
if line.startswith(prefix):
line = '"@executable_path/lib/gdk-pixbuf' + line[plen:]
cd.append(line)
# Rejoin these lines in a manner preserving this object's "unicode"
# type under Python 2.
# Filename of the loader cache to be written below.
cachefile = os.path.join(CONF['workpath'], 'loaders.cache')
# Run the "gdk-pixbuf-query-loaders" command and capture its standard
# output providing an updated loader cache; then write this output to
# the loader cache bundled with this frozen application.
#
# If the current platform is OS X...
if is_darwin:
# To permit string munging, decode the encoded bytes output by this
# command (i.e., enable the "universal_newlines" option). Note that:
#
# * Under Python 2.7, "cachedata" will be a decoded "unicode" object.
# * Under Python 3.x, "cachedata" will be a decoded "str" object.
cachedata = exec_command_stdout('gdk-pixbuf-query-loaders')
cd = []
prefix = '"' + libdir
plen = len(prefix)
# For each line in the updated loader cache...
for line in cachedata.splitlines():
if line.startswith('#'):
continue
if line.startswith(prefix):
line = '"@executable_path/lib' + line[plen:]
cd.append(line)
# Rejoin these lines in a manner preserving this object's "unicode"
# type under Python 2.
# Filename of the loader cache to be written below.
cachefile = os.path.join(CONF['workpath'], 'loaders.cache')
# Run the "gdk-pixbuf-query-loaders" command and capture its standard
# output providing an updated loader cache; then write this output to
# the loader cache bundled with this frozen application.
#
# If the current platform is OS X...
if is_darwin:
# To permit string munging, decode the encoded bytes output by this
# command (i.e., enable the "universal_newlines" option). Note that:
#
# * Under Python 2.7, "cachedata" will be a decoded "unicode" object.
# * Under Python 3.x, "cachedata" will be a decoded "str" object.
cachedata = exec_command_stdout('gdk-pixbuf-query-loaders')
cd = []
prefix = '"' + libdir
plen = len(prefix)
# For each line in the updated loader cache...
for line in cachedata.splitlines():
if line.startswith('#'):
continue
if line.startswith(prefix):
line = '"@executable_path/lib' + line[plen:]
cd.append(line)
# Rejoin these lines in a manner preserving this object's "unicode"
# type under Python 2.
