[build] Extend use of `devscripts/utils`

15 files changed, 99 insertions, 74 deletions

diff --git a/devscripts/bash-completion.py b/devscripts/bash-completion.py
index 3d1391334..7db396a77 100755
--- a/devscripts/bash-completion.py
+++ b/devscripts/bash-completion.py
@@ -5,8 +5,12 @@ import os
 from os.path import dirname as dirn
 import sys
 
-sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
+
 import youtube_dl
+from youtube_dl.compat import compat_open as open
+
+from utils import read_file
 
 BASH_COMPLETION_FILE = "youtube-dl.bash-completion"
 BASH_COMPLETION_TEMPLATE = "devscripts/bash-completion.in"
@@ -18,9 +22,8 @@ def build_completion(opt_parser):
         for option in group.option_list:
             # for every long flag
             opts_flag.append(option.get_opt_string())
-    with open(BASH_COMPLETION_TEMPLATE) as f:
-        template = f.read()
-    with open(BASH_COMPLETION_FILE, "w") as f:
+    template = read_file(BASH_COMPLETION_TEMPLATE)
+    with open(BASH_COMPLETION_FILE, "w", encoding='utf-8') as f:
         # just using the special char
         filled_template = template.replace("{{flags}}", " ".join(opts_flag))
         f.write(filled_template)
diff --git a/devscripts/create-github-release.py b/devscripts/create-github-release.py
index 2ddfa1096..320bcfc27 100644
--- a/devscripts/create-github-release.py
+++ b/devscripts/create-github-release.py
@@ -1,7 +1,6 @@
 #!/usr/bin/env python
 from __future__ import unicode_literals
 
-import io
 import json
 import mimetypes
 import netrc
@@ -10,7 +9,9 @@ import os
 import re
 import sys
 
-sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
 
 from youtube_dl.compat import (
     compat_basestring,
@@ -22,6 +23,7 @@ from youtube_dl.utils import (
     make_HTTPS_handler,
     sanitized_Request,
 )
+from utils import read_file
 
 
 class GitHubReleaser(object):
@@ -89,8 +91,7 @@ def main():
 
     changelog_file, version, build_path = args
 
-    with io.open(changelog_file, encoding='utf-8') as inf:
-        changelog = inf.read()
+    changelog = read_file(changelog_file)
 
     mobj = re.search(r'(?s)version %s\n{2}(.+?)\n{3}' % version, changelog)
     body = mobj.group(1) if mobj else ''
diff --git a/devscripts/fish-completion.py b/devscripts/fish-completion.py
index 51d19dd33..267ba6a58 100755
--- a/devscripts/fish-completion.py
+++ b/devscripts/fish-completion.py
@@ -6,10 +6,13 @@ import os
 from os.path import dirname as dirn
 import sys
 
-sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
+
 import youtube_dl
 from youtube_dl.utils import shell_quote
 
+from utils import read_file, write_file
+
 FISH_COMPLETION_FILE = 'youtube-dl.fish'
 FISH_COMPLETION_TEMPLATE = 'devscripts/fish-completion.in'
 
@@ -38,11 +41,9 @@ def build_completion(opt_parser):
             complete_cmd.extend(EXTRA_ARGS.get(long_option, []))
             commands.append(shell_quote(complete_cmd))
 
-    with open(FISH_COMPLETION_TEMPLATE) as f:
-        template = f.read()
+    template = read_file(FISH_COMPLETION_TEMPLATE)
     filled_template = template.replace('{{commands}}', '\n'.join(commands))
-    with open(FISH_COMPLETION_FILE, 'w') as f:
-        f.write(filled_template)
+    write_file(filled_template)
 
 
 parser = youtube_dl.parseOpts()[0]
diff --git a/devscripts/gh-pages/add-version.py b/devscripts/gh-pages/add-version.py
index 867ea0048..b84908f85 100755
--- a/devscripts/gh-pages/add-version.py
+++ b/devscripts/gh-pages/add-version.py
@@ -6,16 +6,21 @@ import sys
 import hashlib
 import os.path
 
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(dirn(os.path.abspath(__file__)))))
+
+from devscripts.utils import read_file, write_file
+from youtube_dl.compat import compat_open as open
 
 if len(sys.argv) <= 1:
     print('Specify the version number as parameter')
     sys.exit()
 version = sys.argv[1]
 
-with open('update/LATEST_VERSION', 'w') as f:
-    f.write(version)
+write_file('update/LATEST_VERSION', version)
 
-versions_info = json.load(open('update/versions.json'))
+versions_info = json.loads(read_file('update/versions.json'))
 if 'signature' in versions_info:
     del versions_info['signature']
 
@@ -39,5 +44,5 @@ for key, filename in filenames.items():
 versions_info['versions'][version] = new_version
 versions_info['latest'] = version
 
-with open('update/versions.json', 'w') as jsonf:
-    json.dump(versions_info, jsonf, indent=4, sort_keys=True)
+with open('update/versions.json', 'w', encoding='utf-8') as jsonf:
+    json.dumps(versions_info, jsonf, indent=4, sort_keys=True)
diff --git a/devscripts/gh-pages/generate-download.py b/devscripts/gh-pages/generate-download.py
index a873d32ee..3e38e9299 100755
--- a/devscripts/gh-pages/generate-download.py
+++ b/devscripts/gh-pages/generate-download.py
@@ -2,14 +2,21 @@
 from __future__ import unicode_literals
 
 import json
+import os.path
+import sys
 
-versions_info = json.load(open('update/versions.json'))
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
+
+from utils import read_file, write_file
+
+versions_info = json.loads(read_file('update/versions.json'))
 version = versions_info['latest']
 version_dict = versions_info['versions'][version]
 
 # Read template page
-with open('download.html.in', 'r', encoding='utf-8') as tmplf:
-    template = tmplf.read()
+template = read_file('download.html.in')
 
 template = template.replace('@PROGRAM_VERSION@', version)
 template = template.replace('@PROGRAM_URL@', version_dict['bin'][0])
@@ -18,5 +25,5 @@ template = template.replace('@EXE_URL@', version_dict['exe'][0])
 template = template.replace('@EXE_SHA256SUM@', version_dict['exe'][1])
 template = template.replace('@TAR_URL@', version_dict['tar'][0])
 template = template.replace('@TAR_SHA256SUM@', version_dict['tar'][1])
-with open('download.html', 'w', encoding='utf-8') as dlf:
-    dlf.write(template)
+
+write_file('download.html', template)
diff --git a/devscripts/gh-pages/update-copyright.py b/devscripts/gh-pages/update-copyright.py
index 61487f925..444595c48 100755
--- a/devscripts/gh-pages/update-copyright.py
+++ b/devscripts/gh-pages/update-copyright.py
@@ -5,17 +5,22 @@ from __future__ import with_statement, unicode_literals
 
 import datetime
 import glob
-import io  # For Python 2 compatibility
 import os
 import re
+import sys
 
-year = str(datetime.datetime.now().year)
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(dirn(os.path.abspath(__file__)))))
+
+from devscripts.utils import read_file, write_file
+from youtube_dl import compat_str
+
+year = compat_str(datetime.datetime.now().year)
 for fn in glob.glob('*.html*'):
-    with io.open(fn, encoding='utf-8') as f:
-        content = f.read()
+    content = read_file(fn)
     newc = re.sub(r'(?P<copyright>Copyright © 2011-)(?P<year>[0-9]{4})', 'Copyright © 2011-' + year, content)
     if content != newc:
         tmpFn = fn + '.part'
-        with io.open(tmpFn, 'wt', encoding='utf-8') as outf:
-            outf.write(newc)
+        write_file(tmpFn, newc)
         os.rename(tmpFn, fn)
diff --git a/devscripts/gh-pages/update-feed.py b/devscripts/gh-pages/update-feed.py
index 506a62377..13a367d34 100755
--- a/devscripts/gh-pages/update-feed.py
+++ b/devscripts/gh-pages/update-feed.py
@@ -2,10 +2,16 @@
 from __future__ import unicode_literals
 
 import datetime
-import io
 import json
+import os.path
 import textwrap
+import sys
 
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
+
+from utils import write_file
 
 atom_template = textwrap.dedent("""\
     <?xml version="1.0" encoding="utf-8"?>
@@ -72,5 +78,4 @@ for v in versions:
 entries_str = textwrap.indent(''.join(entries), '\t')
 atom_template = atom_template.replace('@ENTRIES@', entries_str)
 
-with io.open('update/releases.atom', 'w', encoding='utf-8') as atom_file:
-    atom_file.write(atom_template)
+write_file('update/releases.atom', atom_template)
diff --git a/devscripts/gh-pages/update-sites.py b/devscripts/gh-pages/update-sites.py
index 531c93c70..06a8a474c 100755
--- a/devscripts/gh-pages/update-sites.py
+++ b/devscripts/gh-pages/update-sites.py
@@ -5,15 +5,17 @@ import sys
 import os
 import textwrap
 
+dirn = os.path.dirname
+
 # We must be able to import youtube_dl
-sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
+sys.path.insert(0, dirn(dirn(dirn(os.path.abspath(__file__)))))
 
 import youtube_dl
+from devscripts.utils import read_file, write_file
 
 
 def main():
-    with open('supportedsites.html.in', 'r', encoding='utf-8') as tmplf:
-        template = tmplf.read()
+    template = read_file('supportedsites.html.in')
 
     ie_htmls = []
     for ie in youtube_dl.list_extractors(age_limit=None):
@@ -29,8 +31,7 @@ def main():
 
     template = template.replace('@SITES@', textwrap.indent('\n'.join(ie_htmls), '\t'))
 
-    with open('supportedsites.html', 'w', encoding='utf-8') as sitesf:
-        sitesf.write(template)
+    write_file('supportedsites.html', template)
 
 
 if __name__ == '__main__':
diff --git a/devscripts/make_contributing.py b/devscripts/make_contributing.py
index 226d1a5d6..5a9eb194f 100755
--- a/devscripts/make_contributing.py
+++ b/devscripts/make_contributing.py
@@ -1,10 +1,11 @@
 #!/usr/bin/env python
 from __future__ import unicode_literals
 
-import io
 import optparse
 import re
 
+from utils import read_file, write_file
+
 
 def main():
     parser = optparse.OptionParser(usage='%prog INFILE OUTFILE')
@@ -14,8 +15,7 @@ def main():
 
     infile, outfile = args
 
-    with io.open(infile, encoding='utf-8') as inf:
-        readme = inf.read()
+    readme = read_file(infile)
 
     bug_text = re.search(
         r'(?s)#\s*BUGS\s*[^\n]*\s*(.*?)#\s*COPYRIGHT', readme).group(1)
@@ -25,8 +25,7 @@ def main():
 
     out = bug_text + dev_text
 
-    with io.open(outfile, 'w', encoding='utf-8') as outf:
-        outf.write(out)
+    write_file(outfile, out)
 
 
 if __name__ == '__main__':
diff --git a/devscripts/make_issue_template.py b/devscripts/make_issue_template.py
index b7ad23d83..65fa8169f 100644
--- a/devscripts/make_issue_template.py
+++ b/devscripts/make_issue_template.py
@@ -1,8 +1,11 @@
 #!/usr/bin/env python
 from __future__ import unicode_literals
 
-import io
 import optparse
+import os.path
+import sys
+
+from utils import read_file, read_version, write_file
 
 
 def main():
@@ -13,17 +16,11 @@ def main():
 
     infile, outfile = args
 
-    with io.open(infile, encoding='utf-8') as inf:
-        issue_template_tmpl = inf.read()
-
-    # Get the version from youtube_dl/version.py without importing the package
-    exec(compile(open('youtube_dl/version.py').read(),
-                 'youtube_dl/version.py', 'exec'))
+    issue_template_tmpl = read_file(infile)
 
-    out = issue_template_tmpl % {'version': locals()['__version__']}
+    out = issue_template_tmpl % {'version': read_version()}
 
-    with io.open(outfile, 'w', encoding='utf-8') as outf:
-        outf.write(out)
+    write_file(outfile, out)
 
 if __name__ == '__main__':
     main()
diff --git a/devscripts/make_readme.py b/devscripts/make_readme.py
index c5d5dd4f1..7a5b04dcc 100755
--- a/devscripts/make_readme.py
+++ b/devscripts/make_readme.py
@@ -1,9 +1,13 @@
 from __future__ import unicode_literals
 
-import io
-import sys
+import os.path
 import re
+import sys
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
 
+from utils import read_file
 from youtube_dl.compat import compat_open as open
 
 README_FILE = 'README.md'
@@ -12,8 +16,7 @@ helptext = sys.stdin.read()
 if isinstance(helptext, bytes):
     helptext = helptext.decode('utf-8')
 
-with io.open(README_FILE, encoding='utf-8') as f:
-    oldreadme = f.read()
+oldreadme = read_file(README_FILE)
 
 header = oldreadme[:oldreadme.index('# OPTIONS')]
 footer = oldreadme[oldreadme.index('# CONFIGURATION'):]
diff --git a/devscripts/make_supportedsites.py b/devscripts/make_supportedsites.py
index 764795bc5..c424d18d7 100644
--- a/devscripts/make_supportedsites.py
+++ b/devscripts/make_supportedsites.py
@@ -1,17 +1,19 @@
 #!/usr/bin/env python
 from __future__ import unicode_literals
 
-import io
 import optparse
-import os
+import os.path
 import sys
 
-
 # Import youtube_dl
-ROOT_DIR = os.path.join(os.path.dirname(__file__), '..')
-sys.path.insert(0, ROOT_DIR)
+dirn = os.path.dirname
+
+sys.path.insert(0, dirn(dirn(os.path.abspath(__file__))))
+
 import youtube_dl
 
+from utils import write_file
+
 
 def main():
     parser = optparse.OptionParser(usage='%prog OUTFILE.md')
@@ -38,8 +40,7 @@ def main():
         ' - ' + md + '\n'
         for md in gen_ies_md(ies))
 
-    with io.open(outfile, 'w', encoding='utf-8') as outf:
-        outf.write(out)
+    write_file(outfile, out)
 
 
 if __name__ == '__main__':
diff --git a/devscripts/prepare_manpage.py b/devscripts/prepare_manpage.py
index 76bf873e1..0090ada3e 100644
--- a/devscripts/prepare_manpage.py
+++ b/devscripts/prepare_manpage.py
@@ -1,13 +1,13 @@
 from __future__ import unicode_literals
 
-import io
 import optparse
 import os.path
 import re
 
+from utils import read_file, write_file
+
 ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 README_FILE = os.path.join(ROOT_DIR, 'README.md')
-
 PREFIX = r'''%YOUTUBE-DL(1)
 
 # NAME
@@ -29,8 +29,7 @@ def main():
 
     outfile, = args
 
-    with io.open(README_FILE, encoding='utf-8') as f:
-        readme = f.read()
+    readme = read_file(README_FILE)
 
     readme = re.sub(r'(?s)^.*?(?=# DESCRIPTION)', '', readme)
     readme = re.sub(r'\s+youtube-dl \[OPTIONS\] URL \[URL\.\.\.\]', '', readme)
@@ -38,8 +37,7 @@ def main():
 
     readme = filter_options(readme)
 
-    with io.open(outfile, 'w', encoding='utf-8') as outf:
-        outf.write(readme)
+    write_file(outfile, readme)
 
 
 def filter_options(readme):
diff --git a/devscripts/zsh-completion.py b/devscripts/zsh-completion.py
index 60aaf76cc..ebd552fcb 100755
--- a/devscripts/zsh-completion.py
+++ b/devscripts/zsh-completion.py
@@ -7,6 +7,8 @@ import sys
 
 sys.path.insert(0, dirn(dirn((os.path.abspath(__file__)))))
 import youtube_dl
+from utils import read_file, write_file
+
 
 ZSH_COMPLETION_FILE = "youtube-dl.zsh"
 ZSH_COMPLETION_TEMPLATE = "devscripts/zsh-completion.in"
@@ -34,15 +36,13 @@ def build_completion(opt_parser):
 
     flags = [opt.get_opt_string() for opt in opts]
 
-    with open(ZSH_COMPLETION_TEMPLATE) as f:
-        template = f.read()
+    template = read_file(ZSH_COMPLETION_TEMPLATE)
 
     template = template.replace("{{fileopts}}", "|".join(fileopts))
     template = template.replace("{{diropts}}", "|".join(diropts))
     template = template.replace("{{flags}}", " ".join(flags))
 
-    with open(ZSH_COMPLETION_FILE, "w") as f:
-        f.write(template)
+    write_file(ZSH_COMPLETION_FILE, template)
 
 
 parser = youtube_dl.parseOpts()[0]
diff --git a/youtube_dl/update.py b/youtube_dl/update.py
index b5f26e4a9..a147b5253 100644
--- a/youtube_dl/update.py
+++ b/youtube_dl/update.py
@@ -1,6 +1,5 @@
 from __future__ import unicode_literals
 
-import io
 import json
 import traceback
 import hashlib