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authorBenjamin Drung <bdrung@ubuntu.com>2009-12-17 11:56:30 +0100
committerBenjamin Drung <bdrung@ubuntu.com>2009-12-17 11:56:30 +0100
commit219e0a074702900f9c954f462ecace9b3a5c7149 (patch)
tree9b46192a4f3fe6ea38aaea87783fe083440fe1a9 /src/moz_version.py
parented0d1e1b776fd6c752392681d1df7ab37936a409 (diff)
- Move compare_versions from moz-version into separate module
- add src/moz_version.py - update src/moz-version - update src/dh_xul-ext
Diffstat (limited to 'src/moz_version.py')
-rw-r--r--src/moz_version.py140
1 files changed, 140 insertions, 0 deletions
diff --git a/src/moz_version.py b/src/moz_version.py
new file mode 100644
index 0000000..832d65f
--- /dev/null
+++ b/src/moz_version.py
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+# Copyright (c) 2009 Benjamin Drung <bdrung@ubuntu.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+# Reference: https://developer.mozilla.org/en/Toolkit_version_format
+
+import sys
+
+def decode_part(part):
+ """Decodes a version part (like 5pre4) to <number-a><string-b><number-c><string-d>"""
+ subpart = [0,"",0,""]
+
+ # Split <number-a>
+ length = 0
+ for i in xrange(len(part)):
+ if part[i].isdigit() or part[i] in ("-"):
+ length += 1
+ else:
+ break
+ if length > 0:
+ subpart[0] = int(part[0:length])
+ part = part[length:]
+
+ # Split <string-b>
+ length = 0
+ for i in xrange(len(part)):
+ if not (part[i].isdigit() or part[i] in ("-")):
+ length += 1
+ else:
+ break
+ subpart[1] = part[0:length]
+ part = part[length:]
+
+ # Split <number-c>
+ length = 0
+ for i in xrange(len(part)):
+ if part[i].isdigit() or part[i] in ("-"):
+ length += 1
+ else:
+ break
+ if length > 0:
+ subpart[2] = int(part[0:length])
+ subpart[3] = part[length:]
+
+ # if string-b is a plus sign, number-a is incremented to be compatible with
+ # the Firefox 1.0.x version format: 1.0+ is the same as 1.1pre
+ if subpart[1] == "+":
+ subpart[0] += 1
+ subpart[1] = "pre"
+
+ # if the version part is a single asterisk, it is interpreted as an
+ # infinitely-large number: 1.5.0.* is the same as 1.5.0.(infinity)
+ if subpart[1] == "*":
+ subpart[0] = sys.maxint
+ subpart[1] = ""
+
+ return subpart
+
+def decode_version(version, verbose=False):
+ """Decodes a version string like 1.1pre1a"""
+ parts = version.split(".")
+ decoded_parts = map(decode_part, parts)
+ if verbose:
+ print "I: Split %s up into %s." % (version, decoded_parts)
+ return decoded_parts
+
+def compare_subpart((a, b)):
+ # A string-part that exists is always less-then a nonexisting string-part
+ if a == "":
+ if b == "":
+ return 0
+ else:
+ return 1
+ elif b == "":
+ if a == "":
+ return 0
+ else:
+ return -1
+ else:
+ return cmp(a, b)
+
+def compare_part((x, y)):
+ compared_subparts = filter(lambda x: x != 0, map(compare_subpart, zip(x, y)))
+ if compared_subparts:
+ return compared_subparts[0]
+ else:
+ return 0
+
+def compare_versions(version1, version2, verbose=False):
+ a = decode_version(version1, verbose)
+ b = decode_version(version2, verbose)
+
+ if len(a) < len(b):
+ a.extend((len(b) - len(a)) * [[0,"",0,""]])
+ if len(b) < len(a):
+ b.extend((len(a) - len(b)) * [[0,"",0,""]])
+
+ result = filter(lambda x: x != 0, map(compare_part, zip(a, b)))
+ if result:
+ return result[0]
+ else:
+ return 0
+
+def extract_upstream_version(debian_version):
+ # remove last part separated by a dash (1.0-2 -> 1.0)
+ parts = debian_version.split('-')
+ if len(parts) > 1:
+ del parts[-1]
+ upstream_version = '-'.join(parts)
+
+ # compatibility: strip +nobinonly and +build
+ parts = upstream_version.split('+')
+ if len(parts) > 1 and parts[-1] == "nobinonly":
+ del parts[-1]
+ if len(parts) > 1 and parts[-1].startswith("build"):
+ del parts[-1]
+ upstream_version = '+'.join(parts)
+
+ return upstream_version
+
+def convert_debian_to_moz_version(debian_version, verbose=False):
+ upstream_version = extract_upstream_version(debian_version)
+ moz_version = upstream_version.replace("~", "")
+ return moz_version