Ubuntu – add-apt-repository throws Python error: UnicodeDecodeError: ‘ascii’ codec can’t decode byte 0xc5

Apache2PHPserver

Trying to install the latest PHP5 packages and so I add the repo (
sudo add-apt-repository ppa:ondrej/php5) I need and this is the outcome:

    Traceback (most recent call last):
  File "/usr/lib/python3.2/threading.py", line 740, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 141, in run
    self.add_ppa_signing_key(self.ppa_path)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 234, in add_ppa_signing_key
    tmp_export_keyring, signing_key_fingerprint, tmp_keyring_dir):
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 186, in _verify_fingerprint
    got_fingerprints = self._get_fingerprints(keyring, keyring_dir)
  File "/usr/lib/python3/dist-packages/softwareproperties/ppa.py", line 178, in _get_fingerprints
    output = subprocess.check_output(cmd, universal_newlines=True)
  File "/usr/lib/python3.2/subprocess.py", line 516, in check_output
    output, unused_err = process.communicate()
  File "/usr/lib/python3.2/subprocess.py", line 811, in communicate
    stdout = _eintr_retry_call(self.stdout.read)
  File "/usr/lib/python3.2/subprocess.py", line 456, in _eintr_retry_call
    return func(*args)
  File "/usr/lib/python3.2/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc5 in position 92: ordinal not in range(128)

Running on Ubuntu 12.04 Server

Best Answer

The software-properties-common is buggy, so if have a time, please report this as a bug in software-properties-common.

A better workaround was pointed out in the issue tracker that uses specific unicode locale when adding the repository

LC_ALL=C.UTF-8 add-apt-repository -y ppa:ondrej/php5-5.6
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