From 89ea936652960049bf6ad307df83f52733819683 Mon Sep 17 00:00:00 2001
From: Mykyta Holubakha <hilobakho@gmail.com>
Date: Wed, 5 Jul 2017 20:53:10 +0300
Subject: Some fixes

---
 pomu/source/file.py    | 10 +++++--
 pomu/source/portage.py |  6 ++--
 pomu/util/pkg.py       |  6 ++--
 pomu/util/query.py     | 78 ++++++++++++++++++++++++++++++++++++--------------
 pomu/util/str.py       |  2 +-
 5 files changed, 70 insertions(+), 32 deletions(-)

diff --git a/pomu/source/file.py b/pomu/source/file.py
index ffd7c07..f42474d 100644
--- a/pomu/source/file.py
+++ b/pomu/source/file.py
@@ -31,8 +31,8 @@ class LocalEbuild():
                     ) : self.path})
     
     @staticmethod
-    def from_data_file(path):
-        with open(path, 'r') as f:
+    def from_data_dir(pkgdir):
+        with open(path.join(pkgdir, 'FS_ORIG_PATH'), 'r') as f:
             return LocalEbuildSource.parse_ebuild_path(f.readline()).unwrap()
 
     def write_meta(self, pkgdir):
@@ -66,4 +66,8 @@ class LocalEbuildSource():
     def parse_full(uri):
         if not uri.startswith('fs:'):
             return Result.Err()
-        return LocalEbuildSource.parse_ebuild_path(uri)
+        return LocalEbuildSource.parse_ebuild_path(uri[3:])
+
+    @classmethod
+    def from_meta_dir(cls, metadir):
+        return LocalEbuild.from_data_dir(cls, metadir)
diff --git a/pomu/source/portage.py b/pomu/source/portage.py
index 1dc740b..f4f112c 100644
--- a/pomu/source/portage.py
+++ b/pomu/source/portage.py
@@ -39,9 +39,9 @@ class PortagePackage():
             f.write(self.slot + '\n')
 
     @staticmethod
-    def from_data_file(path):
+    def from_data_dir(pkgdir):
         try:
-            lines = [x.strip() for x in open(path, 'r')]
+            lines = [x.strip() for x in open(path.join(pkgdir, 'PORTAGE_DATA'), 'r')]
         except:
             return Result.Err('Could not read data file')
         if len(lines) < 5:
@@ -125,7 +125,7 @@ class PortageSource():
 
     @classmethod
     def from_meta_dir(cls, metadir):
-        return PortagePackage.from_data_dir(cls, path.join(metadir, 'PORTAGE_DATA'))
+        return PortagePackage.from_data_dir(cls, metadir)
 
 
 def sanity_check(repo, category, name, vernum, suff, rev, slot, ver=None):
diff --git a/pomu/util/pkg.py b/pomu/util/pkg.py
index 7ff3a7c..7544e42 100644
--- a/pomu/util/pkg.py
+++ b/pomu/util/pkg.py
@@ -24,19 +24,19 @@ def cpv_split(pkg):
     # openssl-0.9.8z_p8-r100
     m = re.search(r'-r\d+$', pkg) # revision is optional
     if m:
-        pkg, rev = pivot(pkg, m.start(0), False)
+        pkg, rev = pivot(pkg, m.start(0))
     else:
         rev = None
     # openssl-0.9.8z_p8
     m = re.search(r'_({})(\d*)$'.format('|'.join(suffixes)), pkg)
     if m:
-        pkg, suff = pivot(pkg, m.start(0), False)
+        pkg, suff = pivot(pkg, m.start(0))
     else:
         suff = None
     # openssl-0.9.8z
     m = re.search(r'-(\d+(\.\d+)*)([a-z])?$', pkg)
     if m:
-        pkg, vernum = pivot(pkg, m.start(0), False)
+        pkg, vernum = pivot(pkg, m.start(0))
     else:
         vernum = None
     # openssl
diff --git a/pomu/util/query.py b/pomu/util/query.py
index d9dc09e..872e0a3 100644
--- a/pomu/util/query.py
+++ b/pomu/util/query.py
@@ -3,25 +3,59 @@ A module to (non)interactively query the user for impure values
 """
 from pomu.util.result import Result
 
-def query(name, prompt=None, default=None):
-    """
-    Queries the impure world for name
-    Parameters:
-        name - the name
-        prompt - prompt text
-        default - default value used for errors, forced non-interactive etc.
-    TODO: non-interactive
-    """
-    if not prompt:
-        prompt = 'Please enter ' + name
-    if default: prompt += ' ({})'.format(default)
-    prompt += ' > '
-    res = None
-    try:
-        res = input(prompt)
-    except EOFError: pass
-    if not res:
-        res = default
-    if not res:
-        return Result.Err('No {} or default provided'.format(name))
-    return Result.Ok()
+class _query:
+    def __init__(self):
+        self.map = {}
+        self.interactive = True
+
+    def __call__(self, name, prompt=None, default=None):
+        """
+        Queries the impure world for name
+        Parameters:
+            name - the name
+            prompt - prompt text
+            default - default value used for errors, forced non-interactive etc.
+        TODO: non-interactive
+        """
+        if name in self.map:
+            return Result.Ok(self.map[name])
+        if not prompt:
+            prompt = 'Please enter ' + name
+        if default: prompt += ' ({})'.format(default)
+        prompt += ' > '
+        res = None
+        if self.interactive:
+            try:
+                res = input(prompt)
+            except EOFError: pass
+        if not res:
+            res = default
+        if not res:
+            return Result.Err('No {} or default provided'.format(name))
+        return Result.Ok(res)
+
+    def set(self, name, val):
+        old = None
+        if name in self.map:
+            old = self.map[name]
+        if val is None:
+            self.unset(name)
+        self.map[name] = val
+        return old
+
+    def unset(self, name):
+        if name in self.map:
+            del self.map[name]
+
+query = _query()
+
+class QueryContext:
+    def __init__(self, **kwargs):
+        self.map = kwargs
+
+    def __enter__(self):
+        self.map_old = {x: query.set(x, self.map[x]) for x in self.map}
+
+    def __exit__(self):
+        for x, y in self.map_old.items():
+            query.set(x, y)
diff --git a/pomu/util/str.py b/pomu/util/str.py
index 96a7c81..11fc514 100644
--- a/pomu/util/str.py
+++ b/pomu/util/str.py
@@ -1,5 +1,5 @@
 """String processing utilities"""
-def pivot(string, idx, keep_pivot=True):
+def pivot(string, idx, keep_pivot=False):
     """
     A function to split a string in two, pivoting at string[idx].
     If keep_pivot is set, the pivot character is included in the second string.
-- 
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